V250C31021VAI : Humphrey Roller Cam Operated Valves (V250C 3 10 21 VAI)
V250C Series 1/4 pipe Roller Cam type mechanical vacuum valve features the classic Humphrey diaphragm poppet principle. The unbalanced design assures bubble-tight sealing actuated, and unactuated. Rugged 2 or 3-way valves are available in vacuum as normally closed. Standard or optional brass body suitable for inline or base mounting.
| Number of Ports | 3 ports | ||||
| Number of Positions | 2 positions | ||||
| Valve Function | Normally closed | ||||
| Piping Type | Inline, Direct piping | ||||
| Options Included | Mounting base | ||||
| Approx Size (in) HxWxD | 3.44 x 1.56 DIA | ||||
| Media | Vacuum | ||||
| Type of Operation | Roller Cam | ||||
| Flow Capacity (Cv) | 0.83 | ||||
| Port Size | 1/4 NPSF | ||||
| Lubrication | Not required | ||||
| Media Filtration | Not required | ||||
| Pressure Range (psi) | 0-29.5"Hg | ||||
| At Valved Pressure of: Force to Actuate (lbs): |
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| Ambient Temperature Range (⁰F) | 0~400 | ||||
| Wetted Materials | Zinc diecast, Brass, FKM | ||||
| Weight (oz) | 12.0 |