VA250A Series Diaphragm-Poppet Air Piloted Vacuum Valves are ideal for dry, vapor or dirt laden vacuum systems. The greater the vacuum, the tighter these valves will seal. When compared to other vacuum valves, the diaphragm-poppet is more reliable, particularly in poor ambient conditions. Excellent flow. Select from 2 or 3-way function.
| Number of Ports | 3 ports |
| Number of Positions | 2 positions |
| Valve Function | Single Pilot, Normally Closed |
| Piping Type | Inline, Direct Piping |
| Size (in) HxWxD | 1.97 x 1.63 DIA |
| Media | Vacuum |
| Type of Operation | Air Piloted |
| Flow Capacity (Cv) | 0.83 |
| Port Size | 1/4 NPSF (Pilot Port: 1/8 NPSF) |
| Lubrication | Not required |
| Media Filtration | Not required |
| Pressure Range (psi) | 0-29.5"Hg |
| Recommended Pilot Pressure (psi) | 25 |
| Operating Speed (cycles/min) | 600 |
| Ambient Temperature Range (⁰F) | -20~225 |
| Wetted Materials | Zinc diecast, Brass, SST, Buna N |
| Weight (oz) | 8.0 |
ID #: 15555
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