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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/bolt-on-nw25-port-for-crvpro-4-6-8-s3271-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch S3271-99, Bolt On NW25 Port for CRVpro 4,6,8</image:title>
      <image:caption>Welch S3271 - 99, Bolt On NW25 Port for CRVpro 4,6,8 - Chemtech Scientific Incorporated</image:caption>
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  <url>
    <loc>https://www.chemtechsci.com/products/pin-s3212-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-s3212-99-pinchemtech-scientific-incorporated-7105709.png?v=1773513426</image:loc>
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      <image:caption>Welch S3212 - 99, Pin - Chemtech Scientific Incorporated</image:caption>
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  <url>
    <loc>https://www.chemtechsci.com/products/copy-of-pin-s3212-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-s3211-99-pinchemtech-scientific-incorporated-2147595.png?v=1773513426</image:loc>
      <image:title>Welch S3211-99, Pin</image:title>
      <image:caption>Welch S3211 - 99, Pin - Chemtech Scientific Incorporated</image:caption>
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  <url>
    <loc>https://www.chemtechsci.com/products/copy-of-pin-s3211-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch S3210 - 99, Flat key - Chemtech Scientific Incorporated</image:caption>
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  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <image:image>
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      <image:caption>Welch S3209 - 99, Rubber sheet - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/ring-s3208-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-s3208-99-ringchemtech-scientific-incorporated-9910546.png?v=1773513426</image:loc>
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      <image:caption>Welch S3208 - 99, Ring - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/copy-of-ring-s3208-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch S3207 - 99, Felt - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/copy-of-felt-s3207-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-s3206-99-flat-keychemtech-scientific-incorporated-3794739.png?v=1773513426</image:loc>
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      <image:caption>Welch S3206 - 99, Flat key - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/copy-of-flat-key-s3206-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-s3202-99chemtech-scientific-incorporated-4948441.png?v=1773513426</image:loc>
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      <image:caption>Welch S3202 - 99 - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/copy-of-230v-motor-16-24-30-s3202-99</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1-99-5112-sealantchemtech-scientific-incorporated-1949792.png?v=1773513426</image:loc>
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      <image:caption>Welch 1 - 99 - 5112, SEALANT - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-pump-w-o-motor-23-cfm-1374b-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1374b-10-duoseal-pump-wo-motor-23-cfmchemtech-scientific-incorporated-1079640.png?v=1773513426</image:loc>
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      <image:caption>Welch 1374B - 10, DUOSEAL, PUMP W/O MOTOR, 23 CFM - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 1376B-10, Mounted without motor, 10.6 CFM</image:title>
      <image:caption>Welch 1376B - 10, Mounted without motor, 10.6 CFM - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-for-refrigeration-230v-50hz-1ph-1376c-46</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1376c-46-duoseal-for-refrigeration-230v-50hz-1phchemtech-scientific-incorporated-7276234.png?v=1773513426</image:loc>
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      <image:caption>Welch 1376C - 46, DUOSEAL for Refrigeration, 230V 50Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch 1376N - 01F, CHEMSTAR, 115V 60Hz 1Ph Fomblinized - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-mounted-without-motor-10-6-cfm-1376n-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 1376N-10, CHEMSTAR, Mounted without motor, 10.6 CFM</image:title>
      <image:caption>Welch 1376N - 10, CHEMSTAR, Mounted without motor, 10.6 CFM - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1376n-49-chemstar-220v-50hz-1ph-wo-ce-markchemtech-scientific-incorporated-9114087.png?v=1773513368</image:loc>
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      <image:caption>Welch 1376N - 49, CHEMSTAR, 220V, 50HZ, 1PH w/o CE mark - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-100v-50hz-3ph-1376n-53</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1376n-53-chemstar-100v-50hz-3phchemtech-scientific-incorporated-5901485.png?v=1773513368</image:loc>
      <image:title>Welch 1376N-53, CHEMSTAR, 100V 50HZ 3PH</image:title>
      <image:caption>Welch 1376N - 53, CHEMSTAR, 100V 50HZ 3PH - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-100v-60hz-1ph-1376n-63</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1376n-63-chemstar-100v-60hz-1phchemtech-scientific-incorporated-3073828.png?v=1773513368</image:loc>
      <image:title>Welch 1376N-63, CHEMSTAR, 100V 60HZ 1PH</image:title>
      <image:caption>Welch 1376N - 63, CHEMSTAR, 100V 60HZ 1PH - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-unmounted-pump-5-6-cfm</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 1380, DUOSEAL Unmounted Pump, 5.6 CFM</image:title>
      <image:caption>Welch 1380, DUOSEAL Unmounted Pump, 5.6 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-mounted-without-motor-17-7-cfm-1397b-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1397b-10-duoseal-mounted-without-motor-177-cfmchemtech-scientific-incorporated-7803473.png?v=1773513368</image:loc>
      <image:title>Welch 1397B-10, DUOSEAL, Mounted without motor, 17.7 CFM</image:title>
      <image:caption>Welch 1397B - 10, DUOSEAL, Mounted without motor, 17.7 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-refrigerant-pump-230v-50-hz-1ph</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1397c-46-duoseal-refrigerant-pump-230v-50-hz-1phchemtech-scientific-incorporated-5415844.png?v=1773513368</image:loc>
      <image:title>Welch 1397C-46, DUOSEAL, Refrigerant Pump, 230V 50 Hz 1Ph</image:title>
      <image:caption>Welch 1397C - 46, DUOSEAL, Refrigerant Pump, 230V 50 Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-mounted-without-motor-1-2-cfm-1399b-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1399b-10-duoseal-mounted-without-motor-12-cfmchemtech-scientific-incorporated-7556028.png?v=1773513368</image:loc>
      <image:title>Welch 1399B-10, DUOSEAL Mounted without motor, 1.2 CFM</image:title>
      <image:caption>Welch 1399B - 10, DUOSEAL Mounted without motor, 1.2 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-115v-60hz-1ph-with-csa-1399b-80</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1399b-80-duoseal-115v-60hz-1ph-with-csachemtech-scientific-incorporated-3910155.png?v=1773513368</image:loc>
      <image:title>Welch 1399B-80, DUOSEAL, 115V 60Hz 1Ph with CSA</image:title>
      <image:caption>Welch 1399B - 80, DUOSEAL, 115V 60Hz 1Ph with CSA - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-115v-60hz-1ph-csa-1400b-80</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1400b-80-duoseal-115v-60hz-1ph-csachemtech-scientific-incorporated-9575030.png?v=1773513368</image:loc>
      <image:title>Welch 1400B-80, DUOSEAL, 115V, 60Hz 1Ph, CSA</image:title>
      <image:caption>Welch 1400B - 80, DUOSEAL, 115V, 60Hz 1Ph, CSA - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-pump-110v-50-60-hz-1ph-japan-1400n-53</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1400n-53-chemstar-pump-110v-5060-hz-1ph-japanchemtech-scientific-incorporated-9476780.png?v=1773513368</image:loc>
      <image:title>Welch 1400N-53, CHEMSTAR PUMP, 110V 50/60 Hz 1Ph (Japan)</image:title>
      <image:caption>Welch 1400N - 53, CHEMSTAR PUMP, 110V 50/60 Hz 1Ph (Japan) - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-mounted-without-motor-5-6-cfm-1402b-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1402b-10-duoseal-mounted-without-motor-56-cfmchemtech-scientific-incorporated-1899800.png?v=1773513368</image:loc>
      <image:title>Welch 1402B-10, DUOSEAL, Mounted without motor, 5.6 CFM</image:title>
      <image:caption>Welch 1402B - 10, DUOSEAL, Mounted without motor, 5.6 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-115v-60hz-1ph-csa-1402b-80</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1402b-80-duoseal-115v-60hz-1ph-csachemtech-scientific-incorporated-5175346.png?v=1773513368</image:loc>
      <image:title>Welch 1402B-80, DUOSEAL, 115V, 60Hz 1Ph, CSA</image:title>
      <image:caption>Welch 1402B - 80, DUOSEAL, 115V, 60Hz 1Ph, CSA - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-for-refrigeration-230v-50hz-1ph-1402c-46</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1402c-46-duoseal-for-refrigeration-230v-50hz-1phchemtech-scientific-incorporated-5386378.png?v=1773513368</image:loc>
      <image:title>Welch 1402C-46, DUOSEAL for Refrigeration, 230V 50Hz 1Ph</image:title>
      <image:caption>Welch 1402C - 46, DUOSEAL for Refrigeration, 230V 50Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-without-motor-5-6-cfm-1402n-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1402n-10-chemstar-without-motor-56-cfmchemtech-scientific-incorporated-2426194.png?v=1773513368</image:loc>
      <image:title>Welch 1402N-10, CHEMSTAR Without Motor, 5.6 CFM</image:title>
      <image:caption>Welch 1402N - 10, CHEMSTAR Without Motor, 5.6 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-220v-50hz-1ph-with-schuko-plug-1402n-50</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1402n-50-chemstar-220v-50hz-1ph-with-schuko-plugchemtech-scientific-incorporated-4630297.png?v=1773513367</image:loc>
      <image:title>Welch 1402N-50, CHEMSTAR, 220V 50Hz 1Ph with Schuko Plug</image:title>
      <image:caption>Welch 1402N - 50, CHEMSTAR, 220V 50Hz 1Ph with Schuko Plug - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-100v-50hz-1ph-1402n-53</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1402n-53-chemstar-100v-50hz-1phchemtech-scientific-incorporated-5794106.png?v=1773513367</image:loc>
      <image:title>Welch 1402N-53, CHEMSTAR, 100V 50Hz 1Ph</image:title>
      <image:caption>Welch 1402N - 53, CHEMSTAR, 100V 50Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/chemstar-expl-proof-pump-115v-60hz-1ph-5-6-cfm-1402n-90</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <image:image>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch 1405B - 10, DUOSEAL, PUMP W/O MOTOR, 3.2 CFM - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/duoseal-mounted-pump-115v-60hz-1ph-csa-1405b-80</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1405b-80-duoseal-mounted-pump-115v-60hz-1ph-csachemtech-scientific-incorporated-7726251.png?v=1773513366</image:loc>
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      <image:caption>Welch 1405B - 80, DUOSEAL, MOUNTED PUMP 115V, 60Hz 1Ph, CSA - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/ptfe-filtration-pump-collegiate-24-hg-31-l-min-230v-50-hz-1ph-2019c-02</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2019c-02-ptfe-filtration-pump-collegiate-24-hg-31-lmin-230v-50-hz-1phchemtech-scientific-incorporated-4016946.png?v=1773513366</image:loc>
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      <image:caption>Welch 2019C - 02, PTFE Filtration Pump, Collegiate, 24&quot; Hg, 31 L/min, 230V / 50 Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-202901-programmable-self-cleaner-70-lmin-30-torr-115v-60-hz-1-phchemtech-scientific-incorporated-2169339.png?v=1773513366</image:loc>
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      <image:caption>Welch 202901, Programmable Self - Cleaner, 70 L/min, 30 torr, 115V 60 Hz, 1 Ph - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-2070c-01</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2070c-01-chemstar-dry-vac-system-230v60hz-196-lmin-005-torrchemtech-scientific-incorporated-8622678.png?v=1773513367</image:loc>
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      <image:caption>Welch 2070C - 01, CHEMSTAR DRY VAC SYSTEM 230V,60HZ, 196 L/min, 0.05 TORR - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 1423B-SS, SEPARATOR JAR w/ SS wool</image:title>
      <image:caption>Welch 1423B - SS, SEPARATOR JAR w/ SS wool - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1526a-replacement-probe-for-1526-gaugechemtech-scientific-incorporated-8960095.png?v=1773513366</image:loc>
      <image:title>Welch 1526A, Replacement Probe for 1526 Gauge</image:title>
      <image:caption>Welch 1526A, Replacement Probe for 1526 Gauge - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-320015-oil-mist-separator-akd-16-mw16chemtech-scientific-incorporated-2555222.png?v=1773513367</image:loc>
      <image:title>Welch 320015, Oil Mist Separator AKD 16, MW16</image:title>
      <image:caption>Welch 320015, Oil Mist Separator AKD 16, MW16 - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-320016-inlet-condenser-aks16-nw16chemtech-scientific-incorporated-3442040.png?v=1773513367</image:loc>
      <image:title>Welch 320016, Inlet Condenser, AKS16, NW16</image:title>
      <image:caption>Welch 320016, Inlet Condenser, AKS16, NW16 - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-330031-freeze-dryer-adapter-kit-with-ball-valvechemtech-scientific-incorporated-9019098.png?v=1773513366</image:loc>
      <image:title>Welch 330031, Freeze Dryer Adapter-Kit with ball valve</image:title>
      <image:caption>Welch 330031, Freeze Dryer Adapter - Kit with ball valve - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-330044-vacuum-concentrator-adapter-kitchemtech-scientific-incorporated-2778225.png?v=1773513366</image:loc>
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      <image:caption>Welch 330044, Vacuum Concentrator Adapter Kit - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <image:image>
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      <image:title>Welch 600100-US, VCB 601 Vacuum Controller, 90-260V, 50/60 Hz</image:title>
      <image:caption>Welch 600100 - US, VCB 601 Vacuum Controller, 90 - 260V, 50/60 Hz - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 705179, Fine Vacuum Adsorption Trap, SOF 16</image:title>
      <image:caption>Welch 705179, Fine Vacuum Adsorption Trap, SOF 16 - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <image:image>
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      <image:caption>Welch 710764, 1000 mmm (39.4 in) SS Flex Hose, NW16 - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch 726023, VACUUM GAUGE in.Hg 2&quot; DIAL S.S. - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 800160, Replacement element for AKD 16, OME10/16</image:title>
      <image:caption>Welch 800160, Replacement element for AKD 16, OME10/16 - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch 829923, Y Connector for 1/4&quot; to 3/8&quot; Hose, PP - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700535-15-onoff-with-manual-vacuum-regulation-turret-surface-mouchemtech-scientific-incorporated-5582313.png?v=1773513309</image:loc>
      <image:title>Welch 700535-15, On/Off with Manual Vacuum Regulation Turret, Surface Mou</image:title>
      <image:caption>Welch 700535 - 15, On/Off with Manual Vacuum Regulation Turret, Surface Mou - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Welch 700538 - 04, On/Off with Manual Vacuum Regulation Turret with Dial Gauge, Surface Mount - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Welch 700556, Mini network with three manual vacuum regulation valves</image:title>
      <image:caption>Welch 700556, Mini network with three manual vacuum regulation valves - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 700561, Nozzle, Flush Mount, 2 screw mount</image:title>
      <image:caption>Welch 700561, Nozzle, Flush Mount, 2 screw mount - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 700561-01, Nozzle, Flush Mount, With Large Nut</image:title>
      <image:caption>Welch 700561 - 01, Nozzle, Flush Mount, With Large Nut - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700561-20-fume-hood-manual-flow-control-turret-kit-turret-70051-nozzle-700561-2-screw-mountchemtech-scientific-incorporated-1288013.png?v=1773513308</image:loc>
      <image:title>Welch 700561-20, Fume Hood Manual Flow Control Turret Kit (Turret 70051 + Nozzle 700561), 2 screw mount</image:title>
      <image:caption>Welch 700561 - 20, Fume Hood Manual Flow Control Turret Kit (Turret 70051 + Nozzle 700561), 2 screw mount - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2052c-02-ptfe-pump-230v-50hz-15-torr-54-lpmchemtech-scientific-incorporated-6646007.png?v=1773513308</image:loc>
      <image:title>Welch 2052C-02, PTFE PUMP 230V 50HZ, 1.5 Torr 54 Lpm</image:title>
      <image:caption>Welch 2052C - 02, PTFE PUMP 230V 50HZ, 1.5 Torr 54 Lpm - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700561-21-fume-hood-manual-flow-control-turret-kit-turret-70051-nozzle-700561-01-large-nut-mountchemtech-scientific-incorporated-9801512.png?v=1773513308</image:loc>
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      <image:caption>Welch 700561 - 21, Fume Hood Manual Flow Control Turret Kit (Turret 70051 + Nozzle 700561 - 01), large nut mount - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700562-manual-vacuum-regulation-valve-flush-mount-2-screw-mountchemtech-scientific-incorporated-1342116.png?v=1773513308</image:loc>
      <image:title>Welch 700562, Manual vacuum regulation valve, flush mount, 2 screw mount</image:title>
      <image:caption>Welch 700562, Manual vacuum regulation valve, flush mount, 2 screw mount - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2534c-02-wob-l-pressurevacuum-dry-pump-230v-50hz-1ph-cechemtech-scientific-incorporated-9305075.png?v=1773513308</image:loc>
      <image:title>Welch 2534C-02, Wob-l Pressure/Vacuum Dry Pump, 230V 50Hz 1Ph, CE</image:title>
      <image:caption>Welch 2534C - 02, Wob - l Pressure/Vacuum Dry Pump, 230V 50Hz 1Ph, CE - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2546c-02-wob-l-pressurevacuum-dry-pump-230v-50hz-1ph-with-ce-markchemtech-scientific-incorporated-9168424.png?v=1773513308</image:loc>
      <image:title>Welch 2546C-02, Wob-l Pressure/Vacuum Dry Pump, 230V 50Hz 1Ph, with CE mark</image:title>
      <image:caption>Welch 2546C - 02, Wob - l Pressure/Vacuum Dry Pump, 230V 50Hz 1Ph, with CE mark - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 700562-01, Manual vacuum regulation valve, flush mount large nut mount</image:title>
      <image:caption>Welch 700562 - 01, Manual vacuum regulation valve, flush mount large nut mount - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700563-onoff-with-manual-flow-control-turrets-flush-mount-2-screw-mountchemtech-scientific-incorporated-5982057.png?v=1773513308</image:loc>
      <image:title>Welch 700563, On/Off with Manual Flow Control Turrets, Flush mount, 2 screw mount</image:title>
      <image:caption>Welch 700563, On/Off with Manual Flow Control Turrets, Flush mount, 2 screw mount - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-2562c-50</loc>
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      <image:caption>Welch 2562C - 50, Wob - l Dry Pump with Inlet Trap and Gauge, 230V 50Hz 1Ph, with CE mark - Chemtech Scientific Incorporated</image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700563-01-onoff-with-manual-flow-control-turrets-flush-mount-large-nutchemtech-scientific-incorporated-7146906.png?v=1773513307</image:loc>
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      <image:caption>Welch 700563 - 01, On/Off with Manual Flow Control Turrets, Flush mount, large nut - Chemtech Scientific Incorporated</image:caption>
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  <url>
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      <image:title>Welch 2585B-55, Wob-l Dry Pump with Gauge, 115V 60Hz 1Ph</image:title>
      <image:caption>Welch 2585B - 55, Wob - l Dry Pump with Gauge, 115V 60Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700566-manual-vacuum-regulation-and-onoff-with-ss-gauge-0-1000-mbar-2-screw-mount-for-woodchemtech-scientific-incorporated-3492691.png?v=1773513307</image:loc>
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      <image:caption>Welch 700566, Manual vacuum regulation and On/Off with SS gauge, 0 - 1000 mbar, 2 screw mount, For Wood - Chemtech Scientific Incorporated</image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-700566-01-manual-vacuum-regulation-and-onoff-with-ss-gauge-0-1000-mbar-2-screw-mount-for-sheet-metalchemtech-scientific-incorporated-8931929.png?v=1773513307</image:loc>
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      <image:caption>Welch 700566 - 01, Manual vacuum regulation and On/Off with SS gauge, 0 - 1000 mbar, 2 screw mount, For Sheet Metal - Chemtech Scientific Incorporated</image:caption>
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  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2585c-55-wob-l-dry-pump-with-gauge-230v-50hz-1ph-with-ce-markchemtech-scientific-incorporated-9723629.png?v=1773513308</image:loc>
      <image:title>Welch 2585C-55, Wob-l Dry Pump with Gauge, 230V 50Hz 1Ph, with CE mark</image:title>
      <image:caption>Welch 2585C - 55, Wob - l Dry Pump with Gauge, 230V 50Hz 1Ph, with CE mark - Chemtech Scientific Incorporated</image:caption>
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  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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      <image:title>Welch 700571, Fume Hood manual regulation valve to connect inlet port, 2 screw mount</image:title>
      <image:caption>Welch 700571, Fume Hood manual regulation valve to connect inlet port, 2 screw mount - Chemtech Scientific Incorporated</image:caption>
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  <url>
    <loc>https://www.chemtechsci.com/products/welch-828332-10</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-828332-10-ptfe-vacuum-hose-10mm-od-8-mm-id-1mm-wall-10-m-33-ft-lengthchemtech-scientific-incorporated-7864402.png?v=1773513306</image:loc>
      <image:title>Welch 828332-10, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 10 m (33 ft) length</image:title>
      <image:caption>Welch 828332 - 10, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 10 m (33 ft) length - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-828332-15-ptfe-vacuum-hose-10mm-od-8-mm-id-1mm-wall-15-m-49-ft-lengthchemtech-scientific-incorporated-9726907.png?v=1773513306</image:loc>
      <image:title>Welch 828332-15, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 15 m (49 ft) length</image:title>
      <image:caption>Welch 828332 - 15, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 15 m (49 ft) length - Chemtech Scientific Incorporated</image:caption>
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  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2581c-56-wob-l-dry-pump-100v-5060hz-1ph-ce-inlet-trap-gauge-regulator-whose-barbchemtech-scientific-incorporated-5577087.png?v=1773513306</image:loc>
      <image:title>Welch 2581C-56, Wob-l Dry Pump, 100V 50/60Hz 1Ph, CE, Inlet trap, gauge, regulator w/hose barb</image:title>
      <image:caption>Welch 2581C - 56, Wob - l Dry Pump, 100V 50/60Hz 1Ph, CE, Inlet trap, gauge, regulator w/hose barb - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-828332-25-ptfe-vacuum-hose-10mm-od-8-mm-id-1mm-wall-25-m-82-ft-lengthchemtech-scientific-incorporated-9615914.png?v=1773513306</image:loc>
      <image:title>Welch 828332-25, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 25 m (82 ft) length</image:title>
      <image:caption>Welch 828332 - 25, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 25 m (82 ft) length - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-828332-5-ptfe-vacuum-hose-10mm-od-8-mm-id-1mm-wall-5-m-16-ft-lengthchemtech-scientific-incorporated-3939231.png?v=1773513306</image:loc>
      <image:title>Welch 828332-5, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 5 m (16 ft) length</image:title>
      <image:caption>Welch 828332 - 5, PTFE vacuum hose, 10mm OD, 8 mm ID, 1mm wall, 5 m (16 ft) length - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-2585c-57</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2585c-57-wob-l-dry-pump-with-inlet-trap-and-gauge-100v-5060hz-1phchemtech-scientific-incorporated-6316768.png?v=1773513306</image:loc>
      <image:title>Welch 2585C-57, Wob-l Dry Pump with Inlet Trap and Gauge, 100V 50/60Hz 1Ph</image:title>
      <image:caption>Welch 2585C - 57, Wob - l Dry Pump with Inlet Trap and Gauge, 100V 50/60Hz 1Ph - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-828332-50</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-828332-50-ptfe-vacuum-hose-10mm-od-8-mm-id-1-mm-wall-50-m-164-ft-lengthchemtech-scientific-incorporated-6272854.png?v=1773513306</image:loc>
      <image:title>Welch 828332-50, PTFE vacuum hose, 10mm OD, 8 mm ID, 1 mm wall, 50 m (164 ft ) length</image:title>
      <image:caption>Welch 828332 - 50, PTFE vacuum hose, 10mm OD, 8 mm ID, 1 mm wall, 50 m (164 ft ) length - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3047t-01</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3047t-01-crvpro4-with-3-phase-motor-208-230460v-60-hz-or-190380v-50-hz-28-cfmchemtech-scientific-incorporated-2464096.png?v=1773513306</image:loc>
      <image:title>Welch 3047T-01, CRVpro4, with 3 phase Motor, 208-230/460V 60 Hz or 190/380V 50 Hz, 2.8 CFM</image:title>
      <image:caption>Welch 3047T - 01, CRVpro4, with 3 phase Motor, 208 - 230/460V 60 Hz or 190/380V 50 Hz, 2.8 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-828346-5</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-828346-5-pvc-hose-for-potable-water-to-condenser-8-mm-id-5-m-16-ftlengthchemtech-scientific-incorporated-1476361.png?v=1773513066</image:loc>
      <image:title>Welch 828346-5, PVC Hose for potable water to condenser, 8 mm ID, 5 m (16 ft)length</image:title>
      <image:caption>Welch 828346 - 5, PVC Hose for potable water to condenser, 8 mm ID, 5 m (16 ft)length - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3049e-01</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3049e-01-crvpro4-with-explosion-proof-motor-220v-50-hz-no-switch-or-cordchemtech-scientific-incorporated-1998380.png?v=1773513066</image:loc>
      <image:title>Welch 3049E-01, CRVpro4, with Explosion proof Motor, 220V, 50 Hz, No Switch or cord</image:title>
      <image:caption>Welch 3049E - 01, CRVpro4, with Explosion proof Motor, 220V, 50 Hz, No Switch or cord - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-829931</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-829931-union-pvdf-straight-compression-fitting-adapter-10-mm-od-to-male-g14-threadchemtech-scientific-incorporated-9842333.png?v=1773513066</image:loc>
      <image:title>Welch 829931, Union, PVDF Straight compression fitting, adapter 10 mm OD to male G1/4 thread</image:title>
      <image:caption>Welch 829931, Union, PVDF Straight compression fitting, adapter 10 mm OD to male G1/4 thread - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3081-02</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3081-02crvpro-8-115v60hz-1ph-nw16-w-34-flare-fitting-for-refrigeration-duty-56-cfmchemtech-scientific-incorporated-3634878.png?v=1773513066</image:loc>
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      <image:caption>Welch 3081 - 02,CRVpro 8, 115V,60Hz 1Ph, NW16 w 3/4&quot; Flare Fitting for Refrigeration Duty, 5.6 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-829931-3</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-829931-3-union-pvdf-straight-compression-fitting-adapter-10-mm-od-to-male-g38-threadchemtech-scientific-incorporated-2796537.png?v=1773513066</image:loc>
      <image:title>Welch 829931-3, Union, PVDF Straight compression fitting, adapter 10 mm OD to male G3/8 thread</image:title>
      <image:caption>Welch 829931 - 3, Union, PVDF Straight compression fitting, adapter 10 mm OD to male G3/8 thread - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3082-80</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3082-80-crvpro-8-chem-220-240v-5060hz-1phnw16-w58-34-hose-barb-wuk-schuko-and-us-plug-56-cfmchemtech-scientific-incorporated-6584784.png?v=1773513066</image:loc>
      <image:title>Welch 3082-80, CRVpro 8 chem, 220-240V, 50/60Hz, 1Ph,NW16, w/5/8-3/4&quot; Hose barb, w/UK, Schuko and US plug, 5.6 CFM</image:title>
      <image:caption>Welch 3082 - 80, CRVpro 8 chem, 220 - 240V, 50/60Hz, 1Ph,NW16, w/5/8 - 3/4&quot; Hose barb, w/UK, Schuko and US plug, 5.6 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3089e-01</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3089e-01-crvpro8-with-explosion-proof-motor-220v-50-hz-no-switch-or-cordchemtech-scientific-incorporated-1889962.png?v=1773513066</image:loc>
      <image:title>Welch 3089E-01, CRVpro8 with Explosion Proof Motor, 220V, 50 Hz, No switch or cord</image:title>
      <image:caption>Welch 3089E - 01, CRVpro8 with Explosion Proof Motor, 220V, 50 Hz, No switch or cord - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-829984-2</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-829984-2-street-elbow-pvdfcompression-fitting-adapter-10-mm-od-to-male-g38-threadchemtech-scientific-incorporated-2928719.png?v=1773513008</image:loc>
      <image:title>Welch 829984-2, Street Elbow, PVDFcompression fitting, adapter 10 mm OD to male G3/8 thread</image:title>
      <image:caption>Welch 829984 - 2, Street Elbow, PVDFcompression fitting, adapter 10 mm OD to male G3/8 thread - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3161-02</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3161-02-crvpro-16-115v60hz-1ph-nw25-w-34-flare-fitting-for-refrigeration-duty-128-cfmchemtech-scientific-incorporated-6882528.png?v=1773513008</image:loc>
      <image:title>Welch 3161-02, CRVpro 16, 115V,60Hz 1Ph, NW25 w 3/4&quot; Flare Fitting for Refrigeration Duty, 12.8 CFM</image:title>
      <image:caption>Welch 3161 - 02, CRVpro 16, 115V,60Hz 1Ph, NW25 w 3/4&quot; Flare Fitting for Refrigeration Duty, 12.8 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-1-99-5282</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-1-99-5282-sealantchemtech-scientific-incorporated-8599497.png?v=1773513008</image:loc>
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      <image:caption>Welch 1 - 99 - 5282, SEALANT - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3167t-01</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-3167t-01-crvpro16-with-3-phase-motor-208-230460v-60-hz-or-190380v-50-hz-12128-cfmchemtech-scientific-incorporated-6787111.png?v=1773513008</image:loc>
      <image:title>Welch 3167T-01, CRVpro16, with 3 phase Motor, 208-230/460V 60 Hz or 190/380V 50 Hz, 1212.8 CFM</image:title>
      <image:caption>Welch 3167T - 01, CRVpro16, with 3 phase Motor, 208 - 230/460V 60 Hz or 190/380V 50 Hz, 1212.8 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-2-00-0716</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0755/2467/files/welch-2-00-0716-hex-hd-screw-10-32-x-1chemtech-scientific-incorporated-6197711.png?v=1773513008</image:loc>
      <image:title>Welch 2-00-0716, HEX HD SCREW 10-32 X 1</image:title>
      <image:caption>Welch 2 - 00 - 0716, HEX HD SCREW 10 - 32 X 1 - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-3307t-01</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Welch 3307T-01, CRVpro30, with 3 phase Motor, 208-230/460V 60 Hz or 190/380V 50 Hz, 22.1 CFM</image:title>
      <image:caption>Welch 3307T - 01, CRVpro30, with 3 phase Motor, 208 - 230/460V 60 Hz or 190/380V 50 Hz, 22.1 CFM - Chemtech Scientific Incorporated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.chemtechsci.com/products/welch-2-00-2604</loc>
    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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    <lastmod>2026-04-20T13:02:48-04:00</lastmod>
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      <image:caption>3.38&quot; CF Mitered Elbow (338 - E90M - VE) - Chemtech Scientific Incorporated</image:caption>
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      <image:caption>4.62&quot; CF Mitered Elbow (462 - E90M - VE) - Chemtech Scientific Incorporated</image:caption>
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      <image:caption>6.00&quot; CF Mitered Elbow (600 - E90M - VE) - Chemtech Scientific Incorporated</image:caption>
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      <image:caption>6.75&quot; CF Mitered Elbow (675 - E90M - VE) - Chemtech Scientific Incorporated</image:caption>
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      <image:caption>8.00&quot; CF Mitered Elbow (800 - E90M - VE) - Chemtech Scientific Incorporated</image:caption>
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