Welch CRVpro vacuum pumps are two-stage, oil-sealed, direct-driven rotary vane vacuum pumps.

Welch Chemical Duty Diaphragm Pumps, cUL Listed With Explosion Proof Motor

BTpro 40 & 70 + BTpro100, 170 & 2163

Welch’s BTpro vacuum pump series has a flow and vacuum level to provide fast performance for your size of rotary evaporator, glass reactor, purge oven, or winterization filtration apparatus.

Welch Chemical Duty vacuum pumps use dry, oil-free membrane (diaphragm) technology to deliver faster pumping dynamics that support filtration, evaporation, drying, degassing, impregnation, and other rough vacuum applications

The T40 cold trap is a device that condenses all vapor except the permanent gases into a liquid or solid. The most common objective is to prevent vapors being evacuated from an experiment from entering a vacuum pump where they would condense and contaminate it.

The Ai T40 -40°C/°F cold trap is a device that condenses all vapor except the permanent gases into a liquid or solid. The most common objective is to prevent vapors being evacuated from an experiment from entering a vacuum pump where they would condense and contaminate it.

This 304 Stainless Steel Cold Trap is designed and intended for use with with dry Ice to create a cold trap that can achieve extremely low temperatures.

A multi-viscosity oil as specified by its viscosity index of 100. Multi-viscosity oils provide for peak performance at wide temperature and pressures Lubricates and seals at operating temperatures developed by pump Very low vapor pressure. A critical characteristic of a vacuum pump oil Pop-up” caps on pints and quarts for complete ease of pouring into pump’s oil port

A multi-viscosity oil as specified by its viscosity index of 100. Multi-viscosity oils provide for peak performance at wide temperature and pressures Lubricates and seals at operating temperatures developed by pump Very low vapor pressure. A critical characteristic of a vacuum pump oil Pop-up” caps on pints and quarts for complete ease of pouring into pump’s oil port