5014AAVAI : Humphrey Large 4-Way Air Pilot Operated Valve (501 4AA VAI)
The 1/2 pipe, 501-4AA Series piston-poppet, 4-way air piloted valve achieves high flow from a compact body. Incorporates an internal compensating orifice to achieve faster response, or a "momentary signal, maintained position" function. Excellent choice to operate large double acting pneumatic cylinders (up to 8" bore) in poor media, difficult environments. Mounting feet standard.
| 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 | 3.3 x 3.25 x 3.75 | ||||||||
| Options Included | Internal compensating orifice | ||||||||
| Media | Air | ||||||||
| Type of Operation | Air Piloted, with bleed | ||||||||
| Flow Capacity (Cv) | 2.83 | ||||||||
| Port Size | 1/2 NPT (Pilot Port: 1/8 NPSF) | ||||||||
| Lubrication | Recommended | ||||||||
| Media Filtration | Not required | ||||||||
| Pressure Range (psi) | 15-125 | ||||||||
| At Valved Pressure of: Recommended Pilot Pressure (psi): |
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| Operating Speed (cycles/min) | 360 | ||||||||
| Ambient Temperature Range (⁰F) | -30~225 | ||||||||
| Wetted Materials | Aluminum, SST, FKM | ||||||||
| Weight (oz) | 30.0 |