Welch, Chemicals
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Economical Oil Free Adjustable Vacuum / Pressure Use these affordable oil-free pumps to provide convenient vacuum throughout the lab. Welch WOB-L piston pumps provide adjustable vacuum for filtration, SPE, vacuum ovens, and more. These pumps are an efficient alternative to water…
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Welch Dry Diaphragm Pump
WelchThe Welch dry diaphragm pump consists of an air-cooled technology and is compatible to use with high vacuum and Schlenk lines. It also provides easy access to any backing 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 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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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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Oil free 115 or 230V versions Autoclavable receiver Standard oil-free station is an economical portable solution for aspirating or filtering. Unit will shut off automatically when 1.2 L collection receiver is full. All wetted parts are treated for corrosion protection from moisture.…
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MP models use aluminum pump heads suitable for pumping non-reactive gases/vapors such as air, noble gases and water vapor. PTFE diaphragms are used because they offer longer lifetime than conventional elastomer diaphragms. The diaphragms consist of a PTFE membrane sandwiched to a strong non-wetted backing.
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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 Spare Eeceiver Kit
WelchThe Welch spare receiver kit is ideal to use for the process of aspiration and filtration. Kit contains 6 Feet tubing, 1.2 Liter autoclavable jar and two hydrophobic filters.
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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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This is a glass replacement plastic jar for 2561, 2565, 2581, 2585 WOB-L piston pumps.
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Welch Hose Adapter
WelchThe Welch hose adapter measuring 1-5/8 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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Welch Inlet Connector
WelchThe Welch inlet connector is an ideal fitting accessory to have in chemical laboratories to obtain a leak-proof seal. This connector is designed to use with 1400, 1399 and 8905 pumps.
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The Welch connecting rod assembly with a strong construction is mainly used in jobsites and construction sites and is compatible to use with 2522B-01 vacuum pumps.
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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 2534C-01, 02 pump models.
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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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The Welch VPL assembly service 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 1376 vacuum 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 air compressor and vacuum pumps.
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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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Affordable Model 2019 vacuum pump is durable and chemcial resistant. Use Model 2019 for vacuum filtration, desiccation, degassing, and other mid-range vacuum applications. Free air flow 37L/min; Maximum vacuum 24" Hg. Pump can also be used to pressurize up to 18 PSIG. Comes standard with…
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Welch In-Line Filter Kit
WelchThe Welch inline filter kit is used for the elimination and removal of very fine and small particles that is normally not filtered through regular filter paper.
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Welch Exhaust Filter
WelchThe Welch exhaust filter with a sturdy construction is designed to remove any harmful impurities or unwanted gas particles that are present inside an enclosed environment.
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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 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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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 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 Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.
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Welch Minor Repair Kit
WelchThe Welch minor repair kit is an ideal accessory to have in any chemical laboratories and research facilities. This kit is compatible to use with 1397 and 1374 pumps.
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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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MP models use aluminum pump heads suitable for pumping non-reactive gases/vapors such as air, noble gases and water vapor. PTFE diaphragms are used because they offer longer lifetime than conventional elastomer diaphragms. The diaphragms consist of a PTFE membrane sandwiched to a strong non-wetted backing.
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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.