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Humphrey | Valve 3/2 SAP 1/4 Viton | 250A-3-10-20-VAI

11 in stock | Need More? >>

250A Series 1/4 pipe Air Pilot Valves feature the classic Humphrey diaphragm poppet principle. The unbalanced, air-spring return design assures reliable shifting and bubble-tight sealing actuated, and unactuated. Compact design permits close proximity mounting to work and fast cycling/quick exhaust. Rugged 2- or 3- way valves are available normally closed or normally open, in standard or optional brass body construction (for alternate media).

Number of Ports 3 ports
Number of Positions 2 positions
Valve Function Single Pilot, Normally Closed
Piping Type Inline, Direct Piping
Size (in) HxWxD 1.97 x 1.63 DIA
Media Air, Inert Gas
Type of Operation Air Piloted
Flow Capacity (Cv) 0.83
Port Size 1/4 NPSF (Pilot Port: 1/8 NPSF)
Lubrication Not required
Media Filtration Not required
Pressure Range (psi) 0-125
At Valved Pressure of:
Recommended Pilot Pressure (psi):
<=30 PSI 60 PSI 90 PSI 120 PSI
22 46 71 95
Operating Speed (cycles/min) 600
Ambient Temperature Range (⁰F) 0~400
Wetted Materials Zinc diecast, Brass, SST, FKM
Weight (oz) 8.0

ID #: 26628

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