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Humphrey | Valve 3/2 SAP 1/4 | VA250A31020

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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