{"product_id":"welch-1405b-10-duoseal-pump-w-o-motor-3-2-cfm","title":"Welch 1405B-10 DUOSEAL PUMP W\/O MOTOR, 3.2 CFM","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eWelch 1405B-10 DuoSeal Unmounted Vacuum Pump (Pump Only, Without Motor) – 3.2 CFM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1405B-10\u003c\/strong\u003e is a rugged, chemical-duty capable DuoSeal belt drive vacuum pump head (bare pump without motor). This unmounted version delivers \u003cstrong\u003e3.2 CFM\u003c\/strong\u003e (90 L\/min) free air displacement and achieves a strong ultimate vacuum of \u003cstrong\u003e1 × 10⁻⁴ Torr\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eAs part of Welch’s trusted DuoSeal series, the \u003cstrong\u003e1405B-10\u003c\/strong\u003e features the legendary low-RPM belt drive design that runs cooler, lasts longer, and handles moderate vapor loads better than direct-drive pumps. The large oil reservoir helps dilute contaminants and extends oil life.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features – Welch 1405B-10\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: Welch 1405B-10 (Unmounted \/ Bare Pump)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Air Displacement\u003c\/strong\u003e: 3.2 CFM (90 L\/min)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Vacuum\u003c\/strong\u003e: 1 × 10⁻⁴ Torr\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology\u003c\/strong\u003e: 2-Stage DuoSeal Rotary Vane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign\u003c\/strong\u003e: Belt Drive – Low RPM for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor\u003c\/strong\u003e: Not included (perfect for custom setups or replacement)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eBest Applications for Welch 1405B-10\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eRotary evaporators and vacuum distillation\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying chambers\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and laboratory vacuum manifolds\u003c\/li\u003e\n\u003cli\u003eDegassing and vacuum filtration\u003c\/li\u003e\n\u003cli\u003eMid-range laboratory and light industrial processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1405B-10\u003c\/strong\u003e is an excellent intermediate-size pump that bridges the gap between the smaller 1400 series and the larger 1402 series. It offers a great balance of pumping speed and deep vacuum performance in a reliable belt-drive package.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eChemtech Scientific offers genuine Welch DuoSeal unmounted pumps and provides full repair services, rebuild kits, and technical support.\u003c\/p\u003e","brand":"Chemtech Scientific Incorporated","offers":[{"title":"Default Title","offer_id":43998364369045,"sku":"1405B-10","price":3274.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/welch-1405b-10-duoseal-pump-w-o-motor-3-2-cfm-31946482188437.png?v=1779793819","url":"https:\/\/www.chemtechsci.com\/products\/welch-1405b-10-duoseal-pump-w-o-motor-3-2-cfm","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}