250-4A Series, 1/4 pipe 4-Way 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. Excellent choice to operate up to 4 inch bore, double acting pneumatic cylinders.
Number of Ports | 4 ports |
Number of Positions | 2 positions |
Valve Function | 4-way, Single Air Pilot, Spring Return |
Piping Type | Inline, Direct Piping |
Size (in) HxWxD | 2.88 x 3.5 x 2.31 |
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 |
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