Welch
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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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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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Welch Pump Oil
WelchDuoSeal™ Vacuum Pump Oil. Tested to high vacuum levels, this oil meets rigid requirements for vapor pressure, stability and viscosity. 5-gallon container.
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Welch Minor Repair Kit
WelchWelch Minor repair kit includes shaft seal, intake screen, gaskets, springs, valves and spring holders for use with Duoseal® vacuum pumps.
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Welch Hose Adapter
WelchThe Welch hose adapter measuring 7/16 Inch, is suitable for use with vacuum pump. It ensures smooth functioning and long lasting usage. This accessory is made of sturdy material which offers enhanced durability.
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DirecTorr Gold Pump Oil
WelchDirecTorr Gold oil is a synthetic hydrocarbon oil put through a double molecular distillation process. Gold oil is extremely stable under high temperature, has excellent resistance to chemical attack and provides superior protection for the pump's internal metal components. Recommended for…
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Thermocouple Vacuum Gage
WelchPortable, lightweight thermocouple vacuum gauge with recorder output (0-10VDC) for monitoring vacuum pressure. Single station model 1515 has a range of 0-5000 mtorr. Supplied with one permanently attached probe cable and one gauge tube.
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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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The Welch DuoSeal 230 Volt vacuum pump is powered by a single-phase motor and operates at a speed of 525 RPM. It helps in removing any air or other gas particles that are present inside the vacuum vessel.
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Welch Interconnect Kit
WelchThe Welch large interconnect kit includes all the necessary repair tools and accessories that are required to keep the ovens in pristine working conditions.
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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 2580 and 2585 WOB-L dry pumps.
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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 MPC301Z and P23Z-301 2-head Chemvac pumps.
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Welch Exhaust Silencer
WelchThe Welch exhaust silencer has a sturdy and impact-resistant construction for added durability. It is compatible to use with 2581 pumps in jobsites and construction sites.
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The Welch major rotary vane pump repair kit is used for the maintenance, repair and monitoring of vane pumps. This kit is compatible to use with ChemVac 8965 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 1402, 1376, 1380 DuoSeal pumps.
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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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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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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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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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BTPro40 Botanicals Chemical Duty Dry 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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Welch Pump Service Kit
WelchWelch Two head service kit includes 2 connecting rod assemblies, 2 valve plate assemblies, piston cups, muffler, gaskets and o-rings. It also includes seals service kit. For use with standard duty dry piston pump kits.
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WOB-L® 2534 dry piston pumps are a reliable partners for physical applications, notably with aqueous solutions. Being a vacuum pump and compressor, they can be used for a wide variety of applications such as filtration, gas sampling, vacuum drying, desiccation and automation technology. The…
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The Welch dial vacuum gauge 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 includes everything in minor repair kit plus large and small metal vanes for use with Chemstar® vacuum pumps.
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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 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 Pump Oil
WelchDuoSeal™ Vacuum Pump Oil. Tested to high vacuum levels, this oil meets rigid requirements for vapor pressure, stability and viscosity. 5-gallon container.
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Welch Minor repair kit includes shaft seal, intake screen, gaskets, springs, valves and spring holders for use with Chemstar® vacuum pumps.
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The Welch NW 16 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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DuoSeal, 230V 60Hz 1Ph
WelchHigh contamination tolerance Ultimate vacuum <0.001 Torr Low RPM for long service life DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir…
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Chemical Duty High Vacuum Pump with integral oil filtration system. 5.6 CFM x 0.0004 torr, 230v/60hz, 1phase, CUL.