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CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.) - Soft Seat Pneumatic Safety Valves
CONTROL DEVICESSoft Seat Pneumatic Safety Valves

CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.)

The CONTROL DEVICES Air Safety Valve: Soft Seat (MPN ST25-1A150) is a soft seat pneumatic safety valve with a brass body and silicone components. It features a 1/4 in (M)NPT inlet and a preset setting of 150 psi.

SKU 3G-OTH-158721

Also listed as: ST251A150 · ST25 1A150

Brand
CONTROL DEVICES
Item
Air Safety Valve: Soft Seat, 1/4 in
Category
Soft Seat Pneumatic Safety Valves
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Technical Specifications

CONTROL DEVICES
Manufacturer Part Number
ST25-1A150
Type
1/4 in (M)NPT Inlet (In.)
Preset Setting (PSI)
150 psi

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CONTROL DEVICES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CONTROL DEVICES Air Safety Valve: Soft Seat (MPN ST25-1A150) is a soft seat pneumatic safety valve with a brass body and silicone components. It features a 1/4 in (M)NPT inlet and a preset setting of 150 psi.

Frequently Asked Questions

What is the CONTROL DEVICES Air Safety Valve ST25-1A150 used for?

The CONTROL DEVICES ST25-1A150 is a soft seat pneumatic safety valve used to protect compressed air systems from overpressure. It is commonly installed in industrial pneumatic circuits, air compressors, and process equipment where a reliable pressure relief point is required.

What are the specifications of the CONTROL DEVICES ST25-1A150?

The CONTROL DEVICES ST25-1A150 has a 1/4 in (M)NPT brass inlet, a soft seat design with silicone components, and a preset relief pressure of 150 psi. The valve body is brass, and the seat and seal materials are silicone. The manufacturer part number is ST25-1A150.

Where to buy the CONTROL DEVICES ST25-1A150 worldwide?

3G Electric supplies the CONTROL DEVICES ST25-1A150 air safety valve to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the CONTROL DEVICES ST25-1A150 air safety valve?

Install the CONTROL DEVICES ST25-1A150 by threading the 1/4 in (M)NPT inlet into a compatible port using thread sealant. Orient the valve so the discharge port is unobstructed and pointed away from personnel. Tighten to manufacturer torque specs and test for leaks before system pressurization.

Used in

Common applications for CONTROL DEVICES
Compressed air systems — CONTROL DEVICES soft seat safety valves (SB75-0A150) for overpressure protection on air receivers
Regenerative blower installations — CONTROL DEVICES pressure and vacuum relief valves (NBR20-0T017) for blower protection
Engine-driven compressor packages — CONTROL DEVICES throttle controls (TC63-4KA000) for pneumatic speed regulation
Industrial pneumatic networks — CONTROL DEVICES hard seat safety valves (SN50-1A100) for high-temperature relief applications
Compressor tank maintenance — CONTROL DEVICES in-tank check valves (P3850-1EP) for backflow prevention
Instrument air systems — CONTROL DEVICES in-line check valves (M2525-1WA) for directional flow control

CONTROL DEVICES Products

3G Electric supplies CONTROL DEVICES soft seat pneumatic safety valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.), 60 psi Preset Setting (PSI) (MPN ST25-1A060)
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CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.), 200 psi Preset Setting (PSI) (MPN ST25-1A200)
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CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.), 200 psi Preset Setting (PSI) (MPN ST25-1A200)
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CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.), 50 psi Preset Setting (PSI) (MPN ST25-1A050)
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CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.), 50 psi Preset Setting (PSI) (MPN ST25-1A050)

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