Welch

The Welch hose barb 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.

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

DuoSeal 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

DuoSeal 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

DuoSeal 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

Refrigeration duty pumps are based on Welch's proven DuoSeal technology. Elastomers are compatible with today's refrigerants. 1402B-46 and 1397B-46 feature integrated handles.

Welch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.

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

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 1376N vacuum pumps.

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

The Welch minor repair kit is an ideal accessory to have in any chemical laboratories and research facilities. This kit is compatible to use with 1376N vacuum pumps.

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.