Closed Monday 5/29 - Shipping times impacted


Contact us if you're ready to experience top-tier service

•Real time inventory
•Fast and reliable shipping
•Orders before 3pm(PST) ship same day

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

Teco Pneumatic Services

TECO HQ is home to a state of the art services department! We have Pneumatic specialists available to help you with any solution.

Call us today to configure what you have in mind!

Our services starts the moment you buy a component, but it doesn't stop there...

Video Resources