Product Overview
Humphrey Product
Description
250A Series 1/4 pipe Air Pilot Valves feature the classic Humphrey diaphragm poppet principle.
The unbalanced, air-spring return design assures reliable shifting and bubble-tight sealing actuated, and unactuated. Compact design permits close proximity mounting to work and fast cycling/quick exhaust. Rugged 2- or 3- way valves are available normally closed or normally open, in standard or optional brass body construction.
Specifications
Media Air, Inert Gas
Valve Function Single Pilot, Normally Open
Piping Type Inline, Direct Piping
Port Size 1/4 NPSF (Pilot Port: 1/8 NPSF)
Number of Ports 3 ports
Number of Positions 2 positions
Size (in) HxWxD 2.78 x 1.63 DIA
Type of Operation Air Piloted
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) 10-125
At Valved Pressure of:
Recommended Pilot Pressure (psi): <=30 PSI 60 PSI 90 PSI 120 PSI28 48 67 86
Operating Speed (cycles/min) 600
Ambient Temperature Range (°F) -20~225
Wetted Materials Zinc diecast, Brass, SST, Buna N
Weight (oz) 8.0
*Please note that image representation may only represent a product series with particular items. The buyers responsibility is to ensure the product SKU matches their specifications before purchase.
