Welch

Welch

Products (104)

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  • Duoseal Explosion Proof Vacuum Pumps

    Specifications are identical to the standard 1400B models. Explosion proof units are specialized to prevent sparking etc. that could ignite a flammable gas mixture in the room. These pumps have to be hard-wired in by an electrician. Please contact customer service for technical requirements.

  • Welch Hose Adapter

    The Welch hose adapter measuring 13/16 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.

  • Welch Diaphragm Pump 4-Head Service Kit

    The Welch diaphragm pump four-head service kit contains diaphragms, valves and O-rings. This kit is compatible to use with 2054/2052 4-head vacuum pumps.

  • Welch Major Repair Kit

    The 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.

  • Welch One Head Service Kit

    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 2021, 2031, 2026, 2027 vacuum pumps.

  • Welch Belt Guard & Base Kit

    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 1392/1400-10 vacuum pumps.

  • Welch Replacement Plastic Jar

    The Welch replacement jar is made from impact-resistant plastic material for added strength. This jar is compatible to use with 2025, 2026,2027 and 2028 pumps.

  • BTPro40 Botanicals Chemical Duty Dry Vacuum Pumps

    BTPro40 Botanicals Chemical Duty Dry Vacuum Pumps

  • Welch Dual Stage Vacuum Pump

    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 cfm to...

  • Welch Seal Service Kit

    The 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.

  • Welch Cut Length Vacuum Hose

    The Welch cut length vacuum hose measuring 3/16 Inch x 13/16 Inch x 10 Feet, 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.

  • Welch Pump Service Kit

    Welch 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.

  • Welch Exhaust Silencer

    The 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.

  • Portable 12 VDC Motor Vacuum Pumps

    GEMINI® Dry Vacuum Pumps - Powerful Go-Anywhere Vacuum. Use in lab or field - Portable, Quiet. GEMINI pumps are DC powered – plug in to your vehicle or standard 115V outlet. Perfect for sampling, filtration, degassing, and other mid-vacuum applications. Advanced chemical resistance enables use with...

  • Welch Filter Element Assembly

    The Welch filter element assembly is the most commonly used item that is used extensively in chemical laboratories, research facilities, manufacturing industries and pharmaceutical factories.

  • Welch Vacuum Hose

    The Welch vacuum hose measuring 7/16 Inch x 10 Feet, 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.

  • Welch Minor Repair Kit

    Welch Minor repair kit includes shaft seal, intake screen, gaskets, springs, valves and spring holders for use with Duoseal® vacuum pumps.

  • Welch Replacement Gasket

    The Welch replacement gasket has a leak-proof design and construction that enhances durability. This gasket is compatible to use with 1417A exhaust filters.

  • Welch Minor Repair Kit

    Welch Minor repair kit includes shaft seal, intake screen, gaskets, springs, valves and spring holders for use with Duoseal® vacuum pumps.

  • Welch Major Repair Kit

    Welch Major repair kit includes everything in minor repair kit plus large and small metal vanes for use with Duoseal® vacuum pumps.

  • Welch Belt Drive Rotary Vane Pump

    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.

  • Welch Valve Regulator

    The Welch valve regulator has specially formulated design and is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.

  • Welch Mechanical Seal Kit

    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.

  • Chemstar Vacuum Pumps

    High contamination tolerance Vital parts corrosion resistant Reduced frictional wear Nitrogen purge standard Easy attachment of accessories Recommended for use with gases such as HCl, HBr, Br2, Cl2, O3, HOAC, F3CC02H, CH20,...

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