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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 ST25-1A250) 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 250 PSI.

SKU 3G-OTH-158729

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
ST25-1A250
Type
1/4 in (M)NPT Inlet (In.)
Preset Setting (PSI)
250 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 ST25-1A250) 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 250 PSI.

Frequently Asked Questions

What is a CONTROL DEVICES Air Safety Valve used for?

This soft seat pneumatic safety valve protects compressed air systems from overpressure. It automatically vents excess pressure at its 250 psi preset setting, safeguarding downstream equipment and personnel in industrial pneumatic circuits.

What are the specifications of the CONTROL DEVICES ST25-1A250?

The CONTROL DEVICES ST25-1A250 is a soft seat air safety valve with a 1/4 in (M)NPT inlet, preset to 250 psi. It features a brass body and silicone seals. The manufacturer part number is ST25-1A250.

Where to buy CONTROL DEVICES air safety valves worldwide?

3G Electric supplies CONTROL DEVICES air safety valves worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on the ST25-1A250 or other pneumatic safety valves.

How to install a CONTROL DEVICES soft seat safety valve?

Install the valve with the inlet connected to the protected system using thread sealant on the 1/4 in NPT threads. Ensure the outlet is unobstructed and the valve is oriented vertically. Test operation after installation per manufacturer guidelines.

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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CONTROL DEVICES Air Safety Valve: Soft Seat, 3/4 in (M)NPT Inlet (In.), 250 psi Preset Setting (PSI) (MPN SB75-0A250). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/4 in (M)NPT Inlet (In.), 300 psi Preset Setting (PSI) (MPN ST25-1A300). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Silicone; attr292009: Brass; attr294753: CONTROL DEVICES.
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CONTROL DEVICES Air Safety Valve: Soft Seat, 3/8 in (M)NPT Inlet (In.), 60 psi Preset Setting (PSI) (MPN ST2533-1A060). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Silicone; attr292009: Brass; attr294753: CONTROL DEVICES.
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