500A310VAI : Humphrey Large 2-Way & 3-Way Air Pilot Operated Valve (500A 3 10 VAI)
500A Series 1/2 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 in standard 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 | 2.75 x 2.94 x 3.06 | ||||||||
| Media | Air, Inert Gas, Mild Liquids | ||||||||
| Type of Operation | Air Piloted | ||||||||
| Flow Capacity (Cv) | 2.67 | ||||||||
| Port Size | 1/2 NPT (Pilot Port: 1/8 NPSF) | ||||||||
| Lubrication | Not required | ||||||||
| Media Filtration | Not required | ||||||||
| Pressure Range (psi) | 10-125 | ||||||||
| At Valved Pressure of: Recommended Pilot Pressure (psi): |
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| Operating Speed (cycles/min) | 600 | ||||||||
| Ambient Temperature Range (⁰F) | 0~400 | ||||||||
| Wetted Materials | Brass, SST, FKM | ||||||||
| Weight (oz) | 47.0 |