Product Details
250F Series 1/4 pipe Vacuum Foot Valves feature the classic Humphrey diaphragm poppet principle. The unbalanced design assures bubble-tight sealing at rest and actuated. Rugged 2- or 3-way valves are available in vacuum as normally closed. Valve furnished with 12 gage steel guard to protect foot and valve. Remove rubber feet and use mounting holes for locating.
| Media | Vacuum |
| Valve Function | Normally closed |
| Piping Type | Inline, Direct piping |
| Port Size | 1/4 NPSF |
| Number of Ports | 3 ports |
| Number of Positions | 2 positions |
| Options Included | With Guard and Base |
| Approx Size (in) HxWxD | 4.59 x 5.25 x 7.41 |
| Type of Operation | Foot Pedal |
| Flow - SCFM @ 100 psig | 60 |
| Flow - LPM @ 6.9 bar | 1699 |
| ESEOD (orifice) - in (mm) | 0.215 (5.45) |
| Flow Coefficient (Cv) | 0.83 |
| Lubrication | Not required |
| Pressure Range (psi) | 0-29.5"Hg |
| Ambient Temperature Range (⁰F) | -20~225 |
| Wetted Materials | Zinc diecast, Brass, Buna N |
| Weight (oz) | 55.0 |
