Welch, NEW! Life Science
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Welch Refrigeration Pump
WelchDuoSeal rotary vane vacuum pumps are proven performers with low pump RPM to ensure long service life with durable precision machined steel rotor, cast iron intake, exhaust ring and metal vanes. DuoSeal models are used on the most demanding service applications such as purge pump on absorption…
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Welch Standard Duty* vacuum pumps use dry, oil-free WOB-L® Piston technology to deliver industry-leading, strong pumping dynamics that support filtration, drying, aspiration, parts forming, and other rough vacuum applications. There are 17 models available, with free air displacement from 0.4…
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Welch Belt Kit
WelchThe Welch belt kit is the perfect kit to have in jobsites as well as in construction sites for the urgent repair, maintenance and monitoring of vacuum pumps. It contains all the necessary tools that are required to keep the pumps running.
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Welch Major Repair Kit
WelchThe Welch major repair kit contains shaft seal, intake screen, gaskets, springs, valves and spring holders, large and small metal vanes. This kit is compatible to use with 1380 vacuum pumps.
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Welch Pump Belt
WelchThe Welch pump belthas specially formulated design and is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.
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Welch Major repair kit includes everything in minor repair kit plus large and small metal vanes for use with Chemstar® vacuum pumps.
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The Welch rotary vane pump has specially formulated design and is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.
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Welch® Self-cleaning PTFE vacuum systems quiet and rugged vacuum pumps that provide work horse duty for years between service intervals. The self cleaning feature keeps the membranes and valves clean and dry, allowing the pump to achieve excellent base pressures and return to base pressure rapidly.…
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The Welch hydrophobic 0.2 micron inline filter removes unwanted filters and harmful contaminants thus maintaining fluid purity in instrumentation systems.
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Welch Pump Service Kit
WelchThe Welch pump service kit is a necessary tool kit to have in any jobsites or construction sites. This kit is compatible to use with 2545 WOB-L dry pumps.
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Diaphragm pumps for chemical applications - type MPC - are chemically compatible and resistant to aggressive solvents and acid vapors which are common in laboratories. The diaphragms are made out of PTFE. The pump and connection heads are carbon fiber reinforced. Their electrical conductivity…
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Welch Tubing Service Kit
WelchThe Welch tubing service kit is easy to use and is mainly used for the purposes of automotive, HVAC and electrical jobs. This kit is compatible to use with 2025, 2026, 2027, 2028 vacuum pumps.
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ChemStar pumps are an enhanced DuoSeal platform. The oil case features a PTFE lining to minimize contamination. All ChemStar oil sealed pumps come standard with NW connections and an inert nitrogen gas purge.
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Welch Belt-Driven Pump
WelchChemStar Belt-driven vacuum pump is designed to tolerate harsh chemical contamination. Vital pump parts are corrosion resistant. The large oil reservoir with PTFE surfaces dilutes contamination and the low pump rotational speed lessens friction to reduce operating temperature and chemical effects.…
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Welch Pump Service Kit
WelchThe Welch pump service kit is a necessary tool kit to have in any jobsites as well as in any of the construction sites. This kit is compatible to use with 2522 pumps.
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The Welch belt guard and base kit is made from sturdy plastic material that prevents any wear and tear. This kit is compatible to use with 1374/1397 vacuum pumps.
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Welch Major Repair Kit
WelchWelch Major repair kit includes everything in minor repair kit plus large and small metal vanes for use with Duoseal® vacuum pumps.
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Exhaust oil recyclers are recommended for vacuum systems with continuous pressure of 1 torr (1 mm Hg) or higher.
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Welch Pump Service Kit
WelchWelch Rebuild kit includes connecting rod, o-rings, cylinder sleeve, piston cup, rubber suction feet and retainer screws. For use with 2534B-01 pump model.
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Welch Seal Service Kit
WelchThe Welch seal service kit is an ideal accessory to have in chemical laboratories and research facilities. This kit compatible to use with 2561 two-head pumps.
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The Welch complete condenser assembly comes with a condenser, 1 Liter round bottom flask, tubing, support and clamp. Assembly is compatible to use with dry fast, self-cleaner pumps. Application: For Dryfast, Self-Cleaner Pumps
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The Welch hydrophobic 0.8 micron inline filter removes unwanted filters and harmful contaminants thus maintaining fluid purity in instrumentation systems.
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ChemStar, 100V 50Hz 1Ph
WelchLow rotation speed for longer service life Vital parts corrosion resistant Large oil reservoir dilutes contaminants ChemStar belt-driven Vacuum Pump is designed to tolerate harsh chemical contamination. Vital pump parts are corrosion resistant. The large oil reservoir with PTFE…
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Welch Major Repair Kit
WelchThe Welch major repair kit contains shaft seal, intake screen, gaskets, springs, valves and spring holders, large and small metal vanes. This kit is compatible to use with CRR1 and 1373 capture pumps.
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Rugged oil seal pumps for a wide variety of vacuum needs, including Schlenk drying lines, freeze drying, degassing, concentrations, distillations, and more. Pull drive enables low rpm operation by reducing friction, oil temperature, and oil degradation. Its large oil reservoir minimizes…
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Welch WOB-L pumps are oil-free for reduced maintenance. These WOB-L piston pumps have a high water vapor tolerance.
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Exhaust oil recyclers are recommended for vacuum systems with continuous pressure of 1 torr (1 mm Hg) or higher. 1 At these pressures, conventional exhaust filters quickly saturate. The Mist Eliminator System continuously separates oil mist from the vacuum pump exhaust and actively returns the oil…
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The Welch standard-duty diaphragm pump is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.
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Welch Pump Adapter Kit
WelchThe Welch pump eliminator-to-pump adapter kit is a must-have tool kit in any jobsite and in construction sites. This kit is suitable to use with 1416D mist eliminator.
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The Acid Neutralization Trap contains a large alkaline element cartridge to neutralize hydrous acids before they enter the vacuum pump. The element changes from white to bluish-transparent when spent and can be observed through the transparent trap body.
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