51940-1 this single-air-head pump offers a

this single-air-head pump offers a 12:1 nominal ratio (actual ~14:1)

making it ideal for precise installations

379 in Material Stainless Steel Nominal Size 3/8 in Temperature Rating -20 to 1000 F Type Double Ferrule

49 lb (22 kg)

Ideal for instrumentation panels

51940-1 this single-air-head pump offers aDescription The Haskel 51940 1 Air Pilot Switch is a precision pneumatic pressure switch designed to emit a control air signal upon reaching a preset pressure. Built for tough high pressure systems, it offers reliable performance with both normally open and normally closed contact options. Constructed with stainless steel and rated up to 10,000 psi, its ideal for controlling gas boosters, fluid pumps, and air amplifiers in industrial environments.