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

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

The CONTROL DEVICES Pneumatic Safety Valve: Soft Seat (MPN ST25-0A040) is a soft-seat pneumatic safety valve constructed from brass. It features a 1/4 in (M)NPT inlet connection. This product is manufactured by…

SKU 3G-OTH-158711

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

CONTROL DEVICES
Manufacturer Part Number
ST25-0A040
Type
1/4 in (M)NPT Inlet (In.), Brass
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CONTROL DEVICES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CONTROL DEVICES Pneumatic Safety Valve: Soft Seat (MPN ST25-0A040) is a soft-seat pneumatic safety valve constructed from brass. It features a 1/4 in (M)NPT inlet connection. This product is manufactured by CONTROL DEVICES.

Frequently Asked Questions

What is the CONTROL DEVICES ST25-0A040 pneumatic safety valve used for?

The CONTROL DEVICES ST25-0A040 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 piping to automatically relieve excess pressure and prevent equipment damage or safety hazards.

What are the specifications of the CONTROL DEVICES ST25-0A040?

The CONTROL DEVICES ST25-0A040 is a soft-seat pneumatic safety valve with a 1/4 in (M)NPT inlet connection. It is constructed from brass and is manufactured by CONTROL DEVICES. The soft-seat design provides reliable sealing and consistent pressure relief in pneumatic systems.

Where to buy the CONTROL DEVICES ST25-0A040 worldwide?

You can source the CONTROL DEVICES ST25-0A040 pneumatic safety valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a CONTROL DEVICES soft-seat pneumatic safety valve?

Install the CONTROL DEVICES ST25-0A040 by threading the 1/4 in (M)NPT inlet into a compatible port. Use thread sealant on male threads. Orient the valve so the discharge port is unobstructed and directed away from personnel. Test for leaks after installation. Follow standard pneumatic safety valve best practices.

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, 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.
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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