Vaplock™ Evaporation Control and Relief Valves, Cole-Parmer

Supplier: Cole Parmer
12020-57 12020-55 12020-54 12020-56 12020-52 12020-59 12020-53 12020-62 12020-63 12020-61 12020-60 12020-58
76287-640EA 126.92 USD
76287-640 76287-638 76287-628 76287-636 76287-626 76287-634 76287-624 76287-632 76287-622 76287-644 76287-630 76287-642
Vaplock™ Evaporation Control and Relief Valves, Cole-Parmer
Valves Pressure-Relief Valves
Evaporation control and relief valves allow reversible configurations.

Ventilation control valves for 1/4- 28 and 1/4" NPT ports.

Air inlet valves permit air to enter a bottle to displace vacuum while solvent is pumped out to an instrument. Relief valves allow pressurized bottle contents to escape above the cracking pressure. Reversible valves may serve either purpose, air inlet or relief, depending on the orientation once installed.

Although Vaplock™ solvent supply caps are available with built-in check valve elements, ventilation control valves may also be purchased as stand-alone units. With air inlet, relief, and reversible configurations, vent control valves may be selected in two cracking pressures and with Viton, EPDM, and FFKM seal materials.
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