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Evaporation Control Valves

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For 1/4-28 and 1/4” NPT Ports
Although HPLC LAB SAFETY 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. 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.






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DV-115 AIR INLET VALVE, 1/4-28 male, PTFE with Viton check element .1 - .25 psi psi 1/4-28 male
DV-115E AIR INLET VALVE, 1/4-28 male, PTFE with EPDM check element .1 - .25 psi psi 1/4-28 male
DV-215 AIR INLET VALVE, 1/4-28 male, PTFE with FFKM check element .1 - .25 psi psi 1/4-28 male
DV-116 RELIEF VALVE, 1/4-28 male, PTFE with Viton check element .1 - .25 psi psi 1/4-28 male
DV-116E RELIEF VALVE, 1/4-28 male, PTFE with EPDM check element .1 - .25 psi psi 1/4-28 male
DV-216 RELIEF VALVE, 1/4-28 male, PTFE with FFKM check element .1 - .25 psi psi 1/4-28 male
DV-118 RELIEF VALVE, 1/4-28 male, PTFE with Viton check element 1 - 2.5 psi psi 1/4-28 male
DV-118E RELIEF VALVE, 1/4-28 male, PTFE with EPDM check element 1 - 2.5 psi psi 1/4-28 male
DV-218 RELIEF VALVE, 1/4-28 male, PTFE with FFKM check element 1 - 2.5 psi psi 1/4-28 male
DV-137 REVERSIBLE CONTROL VALVE, 1/4” MNPT x 1/4” MNPT,Polypropylene with Viton check element .1 - .25 psi psi 1/4 NPT
DV-136 REVERSIBLE CONTROL VALVE, 1/4” MNPT x 1/4” MNPT, Polypropylene with EPDM check element .1 - .25 psi psi 1/4 NPT
DV-138 REVERSIBLE CONTROL VALVE, 1/4” MNPT x 1/4” MNPT, Polypropylene with FFKM check element .1 - .25 psi psi 1/4 NPT
  Results 1 - 12 of 12 1 
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