250HO31021A : Humphrey Push Operated Valves (250HO 3 10 21A)
250HO Series 1/4 pipe Hold-On, Palmbutton Valve is pneumatically detented and features the classic Humphrey diaphragm poppet principle. The unbalanced, internally piloted design assures bubble-tight sealing at rest and actuated. Large palm operator reduces operator fatigue to open valve. Depress small red button to close. Valve closes when internal pressure drops below ~12psi. Mount inline or with base.
Number of Ports | 3 ports |
Number of Positions | 2 positions |
Valve Function | Detent |
Piping Type | Inline, Direct piping |
Options Included | Assembled mounting base |
Approx Size (in) HxWxD | 3.14 x 1.56 DIA |
Media | Air, Inert Gas |
Type of Operation | Palm-Open, Button-Close |
Flow Capacity (Cv) | 0.83 |
Port Size | 1/4 NPSF |
Lubrication | Not required |
Media Filtration | Not required |
Pressure Range (psi) | 25-125 |
Ambient Temperature Range (⁰F) | -20~225 |
Wetted Materials | Zinc diecast, Brass, Buna N |
Weight (oz) | 16.0 |