Humphrey Diaphragm Poppet Manual Valves 125HO31021

Brand: Humphrey
model: 125HO31021
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125HO Series 1/8 pipe Hold-On Pushbutton Valves are detented or spring return, and feature the classic Humphrey diaphragm poppet principle. The unbalanced, air-spring return design assures bubble-tight sealing at rest and actuated. Rugged 2- or 3- way valves are “push and turn” for detented, hold-on function. Valve will spring return to unactuated position after “push” only. Standard or optional brass body suitable for inline, base or panel mounting.

Number of Ports 3 ports
Number of Positions 2 positions
Valve Function Detent
Piping Type Inline, Direct piping
Options Included Mounting base
Approx Size (in) HxWxD 1.83 x 1.18 DIA
Media Air, Inert Gas
Type of Operation Push & Turn Detent
Flow Capacity (Cv) 0.30
Port Size 1/8 NPSF
Lubrication Not Required
Pressure Range (psi) 0-125
At Valved Pressure of:
Force to Actuate (lbs):
30 PSI 100 PSI
5 8
Ambient Temperature Range (⁰F) -20~225
Wetted Materials Zinc plated steel, Brass, Buna N
Weight (oz) 6.0
Flow – SCFM @ 100 psig 22
Flow – LPM @ 6.9 bar 623
ESEOD (orifice) – in (mm) 0.129 (3.28)

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