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CONTROL DEVICES Air Safety Valve: Soft Seat, 3/8 in (M)NPT Inlet (In.) - Soft Seat Pneumatic Safety Valves
CONTROL DEVICESSoft Seat Pneumatic Safety Valves

CONTROL DEVICES Air Safety Valve: Soft Seat, 3/8 in (M)NPT Inlet (In.)

The CONTROL DEVICES Air Safety Valve: Soft Seat (MPN ST2533-1A150) is a soft seat pneumatic safety valve constructed with a brass body and silicone components. It features a 3/8 in (M)NPT inlet and is preset to 150…

SKU 3G-OTH-158753

Also listed as: ST25331A150 · ST2533 1A150

Brand
CONTROL DEVICES
Item
Air Safety Valve: Soft Seat, 3/8 in
Category
Soft Seat Pneumatic Safety Valves
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CONTROL DEVICES
Manufacturer Part Number
ST2533-1A150
Type
3/8 in (M)NPT Inlet (In.)
Preset Setting (PSI)
150 psi

Technical Documents

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

Product Description

The CONTROL DEVICES Air Safety Valve: Soft Seat (MPN ST2533-1A150) is a soft seat pneumatic safety valve constructed with a brass body and silicone components. It features a 3/8 in (M)NPT inlet and is preset to 150 PSI. This valve is designed for overpressure protection in pneumatic systems.

Frequently Asked Questions

What is the CONTROL DEVICES Air Safety Valve used for?

The CONTROL DEVICES Air Safety Valve provides overpressure protection in pneumatic systems. It automatically vents excess pressure when the preset limit is reached, safeguarding downstream equipment. Common applications include air compressors, pneumatic controls, and industrial automation lines where reliable pressure relief is critical.

What are the specifications of the CONTROL DEVICES ST2533-1A150?

This soft seat pneumatic safety valve has a 3/8 in (M)NPT inlet and is preset to 150 psi. The body is brass, and the seat and seal materials are silicone. Manufactured by CONTROL DEVICES, it is designed for air service and provides dependable overpressure relief in pneumatic systems.

Where to buy CONTROL DEVICES Air Safety Valve worldwide?

3G Electric supplies the CONTROL DEVICES Air Safety Valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team to place an order or request a quote for the ST2533-1A150 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 compatible thread sealant on the 3/8 in NPT fitting. Ensure the valve is oriented vertically or as recommended by CONTROL DEVICES to allow proper venting. Always verify the preset pressure rating matches your system requirements before installation.

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, 3/8 in (M)NPT Inlet (In.), 60 psi Preset Setting (PSI) (MPN ST2533-1A060)
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