{"product_id":"edwards-nxds35i-oil-free-dry-scroll-vacuum-pump-21-cfm-a73001983","title":"Edwards nXDS35i Oil-Free Dry Scroll Vacuum Pump – 21 CFM (A73001983)","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eEdwards nXDS35i Oil-Free Dry Scroll Vacuum Pump – 21 CFM (A73001983)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eEdwards nXDS35i\u003c\/strong\u003e (part number \u003cstrong\u003eA73001983\u003c\/strong\u003e) is the highest-capacity pump in the nXDS series of oil-free dry scroll vacuum pumps. With a powerful pumping speed of \u003cstrong\u003e21 CFM (35.4 m³\/h)\u003c\/strong\u003e at 60 Hz and an ultimate vacuum of \u003cstrong\u003e0.005 Torr (0.7 Pa)\u003c\/strong\u003e, it delivers fast, clean, and reliable vacuum performance without oil contamination or backstreaming risks.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eDesigned for demanding laboratory and light industrial applications, the nXDS35i features hermetically sealed bearings, an integrated inverter drive, and intelligent controls for quiet, efficient operation with long service intervals.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eCompletely oil-free dry scroll technology – no oil changes required\u003c\/li\u003e\n\u003cli\u003eHighest pumping speed in the nXDS series for faster evacuation times\u003c\/li\u003e\n\u003cli\u003eVery quiet operation at only 52 dB(A)\u003c\/li\u003e\n\u003cli\u003eHermetically sealed for ultra-clean vacuum environment\u003c\/li\u003e\n\u003cli\u003eExcellent water vapor handling with gas ballast\u003c\/li\u003e\n\u003cli\u003eLong tip seal life – up to 5 years in many applications\u003c\/li\u003e\n\u003cli\u003eLow power consumption and compact footprint\u003c\/li\u003e\n\u003cli\u003eNW40 inlet and outlet flanges for high flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003ePumping Speed (60 Hz)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e21 CFM (35.4 m³\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eDisplacement (60 Hz)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e26.4 CFM (44.8 m³\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eUltimate Vacuum (without gas ballast)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e0.005 Torr (0.7 Pa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eUltimate Vacuum (with gas ballast)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e0.030 Torr (0.040 mbar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e52 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e100-127 \/ 200-240V, 1-phase, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003ePower Consumption (at ultimate)\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e~300–350 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eInlet \/ Outlet Flange\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003eNW40 (DN 40 ISO-KF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e28.5 kg (62.8 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003eCooling Method\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003eAir-cooled (forced fan)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"height: 1px; width: 544px;\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems requiring high throughput\u003c\/li\u003e\n\u003cli\u003eMass spectrometry and analytical instruments\u003c\/li\u003e\n\u003cli\u003eElectron microscopy and vacuum coating\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and freeze drying\u003c\/li\u003e\n\u003cli\u003eBacking for turbomolecular and diffusion pumps\u003c\/li\u003e\n\u003cli\u003eGeneral clean vacuum processes in research and industry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Edwards nXDS35i offers the highest pumping capacity in the nXDS range while maintaining the signature oil-free, quiet, and low-maintenance performance that makes the series the preferred choice for modern laboratories.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":1187836872,"sku":"A73001983","price":12469.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/edwards-nxds35i-oil-free-dry-scroll-vacuum-pump-21-cfm-a73001983-17333289056.jpg?v=1779796786","url":"https:\/\/www.chemtechsci.com\/products\/edwards-nxds35i-oil-free-dry-scroll-vacuum-pump-21-cfm-a73001983","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}