Welch
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Exhaust Filters
WelchFilters trap exhaust oil mist and reduce pump noise. They are supplied with housing and replaceable filter.
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The Welch hose reducer adapter is made from strong and sturdy metal that offers good corrosion resistance thus enhancing the durability. This fitting provides a secure connection forming a leak-proof seal.
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The Welch oil return/regulator kithas 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 WOB-L pumps are oil-free for reduced maintenance. These WOB-L piston pumps have a high water vapor tolerance.
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CRVpro8-CHEM
WelchThe Welch CRVpro8 Chem is effective for freeze drying or concentration of samples using a lyophilizer, including harsh chemicals such as TFA, Acetonitrile, HBr and others. These chemicals quickly attack the vacuum pump oil of unprotected vacuum pumps. CRVpro8 Chem is engineered to better combat the…
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Exhaust Vane for Direct Drive Rotary Vane Pumps. Fits Thomas 7893R16, 1233K88, 7893R19, 1233K89, 7893R22, 1233K90. Fits Welch 8907A, 8907C-02, 8912A, 8912C-02, 8917A, 8917C-02. Phenolic material.
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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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The Welch diaphragm pump two-head service kit is a perfect accessory to have in any chemical laboratories. This kit is compatible to use with HBP101/HBP100/Ilmdest 2-head diaphragm pumps.
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Handheld Vacuum Gauges
WelchHandheld Vacuum Gauges - Monitor Multipoint Vacuum Levels. Quick-connecting and Precise; Mercury-Free. Gain insight into your vacuum application with these portable, mercury-free gauges. Welch precision vacuum gauges are easy to connect - perfect for dynamic monitoring or leak troubleshooting.…
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Welch Pump V-Belt
WelchThe Welch pump V-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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For use with Concentrators and Rotary Evaporators Fluorinated plastics used on all wetted parts Solvent resistant at boiling points under 100°C Portable System is powered by a 1/8 hp, corrosion-resistant, PTFE pump. All wettable parts, including the diaphragm and valves…
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Welch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.
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The Welch diaphragm pump two-head service kit is a perfect accessory to have in any chemical laboratories. This kit is compatible to use with MPC 301 Zp Ex 2-Head hold back pump (HBP) and diaphragm pumps.
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Welch Seal Kit
WelchThe Welch seal kithas 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 Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.
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DUOSEAL pump oil with low vapor pressure, ideal viscosity is recommended for use with DUOSEAL or any other belt-driven vacuum pump. No additives or inhibitors. Exhaust filters trap oil mist and reduce noise. Replaceable elements reduce maintenance costs.
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Refrigeration duty pumps are based on Welch's proven DuoSeal technology. Elastomers are compatible with today's refrigerants.
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The Welch chemical-resistant diaphragm pump with a flow rate of 33 LPM utilizes compressed air for its operation and the pneumatic valve allows the user to monitor the operating of the device.
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The Welch 3/4 Inch mechanical seal kit is made from strong neoprene that ensures a leak-proof seal. This kit is compatible to use with 1402, 1376, 1380 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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The Welch vacuum regulator kit is ideal for controlling, stabilizing and monitoring of vacuum devices in commercial as well as residential environments.
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Product Details Corrosion Resistant Fitted Explosion Proof Motor (Class I, Groups C & D; Class II Groups F & G) with CSA/UL Mark Portable Suggested Applications Vacuum Filtration Vacuum Oven Welch corrosion-resistant diaphragm pumps are driven by…
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Welch Reducing Fitting
WelchThe Welch NW 25 to NW 40 reducing fitting is made from stainless steel material that offers added durability and strength. This reducer fitting is designed to use with lmvac vacuum systems.
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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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The Welch one-head service kit is a necessary tool kit to have in any jobsite for the maintenance and repair of vacuum pumps. This kit is compatible to use with air compressor and vacuum pumps.
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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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The Welch beige 5 Feet vacuum hose is mainly used as a power source in automotive industries for various products such a vacuum brake booster, windshield wipers PCV valve, heater control valve, EGR valve and HVAC controls.
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Welch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.
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The Welch NW 25 acid trap adapter kit is designed to use as an accessory to vacuum pumps and is a must-have tool to have in any jobsite and construction environments.
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The Welch valve plate assembly 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 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 2522/2534/2545 pumps.
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The Welch one-head service kit is a necessary tool kit to have in any jobsite for the maintenance and repair of vacuum pumps. This kit is compatible to use with 2034, 2037, 2044 vacuum pumps.