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Humphrey | Diaphragm Poppet Mechanical Valves | 125B-3-10-21

12 in stock | Need More? >>

The 125B Series 1/8 pipe Roller Ball type mechanical valve features the classic Humphrey diaphragm poppet principle. The unbalanced, air-spring return design assures bubble-tight sealing actuated, and unactuated. Rugged 2 or 3-way valves are available normally closed or normally open. Standard or optional brass body suitable for inline, base or panel mounting.

Number of Ports 3 ports
Number of Positions 2 positions
Valve Function Normally closed
Piping Type Inline, Direct piping
Options Included Mounting base
Approx Size (in) HxWxD 1.52 x 1.16 DIA
Media Air, Inert Gas
Type of Operation Roller Ball
Flow Capacity (Cv) 0.30
Port Size 1/8 NPSF
Lubrication Not Required
Media Filtration Not Required
Pressure Range (psi) 0-125
At Valved Pressure of:
Force to Actuate (lbs):
30 PSI 100 PSI
3.3 8
Ambient Temperature Range (⁰F) -20~225
Wetted Materials Zinc plated steel, Brass, Buna N
Weight (oz) 5.0

ID #: 25711

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