Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.) - Soft Seat Pneumatic Safety Valves
CONTROL DEVICESSoft Seat Pneumatic Safety Valves

CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.)

The CONTROL DEVICES Air Safety Valve: Soft Seat (SKU 45MH15, MPN SF50-1A175) is a soft-seat pneumatic safety valve with a brass body and a silicone seat. It features a 1/2 in (M)NPT inlet and a preset pressure…

SKU 3G-OTH-158778

Brand
CONTROL DEVICES
Item
Air Safety Valve: Soft Seat, 1/2 in
Category
Soft Seat Pneumatic Safety Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CONTROL DEVICES
Manufacturer Part Number
SF50-1A175
Type
1/2 in (M)NPT Inlet (In.)
Preset Setting (PSI)
175 psi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CONTROL DEVICES Air Safety Valve: Soft Seat (SKU 45MH15, MPN SF50-1A175) is a soft-seat pneumatic safety valve with a brass body and a silicone seat. It features a 1/2 in (M)NPT inlet and a preset pressure setting of 175 psi. The valve contains lead and is manufactured by CONTROL DEVICES.

Frequently Asked Questions

What is the CONTROL DEVICES Air Safety Valve SF50-1A175 used for?

The CONTROL DEVICES Air Safety Valve SF50-1A175 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 air distribution lines to automatically relieve excess pressure and prevent equipment damage or safety hazards.

What are the specifications of the CONTROL DEVICES Air Safety Valve SF50-1A175?

The CONTROL DEVICES Air Safety Valve SF50-1A175 has a brass body with a soft silicone seat, a 1/2 in (M)NPT inlet, and a preset pressure setting of 175 psi. It contains lead and is manufactured by CONTROL DEVICES. The valve is designed for pneumatic safety relief applications.

Where to buy the CONTROL DEVICES Air Safety Valve SF50-1A175 worldwide?

You can source the CONTROL DEVICES Air Safety Valve SF50-1A175 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; we provide competitive sourcing for this CONTROL DEVICES pneumatic safety valve.

How to install the CONTROL DEVICES Air Safety Valve SF50-1A175?

Install the CONTROL DEVICES Air Safety Valve SF50-1A175 by threading the 1/2 in (M)NPT inlet into a compatible port using appropriate thread sealant. Ensure the valve is oriented vertically with the discharge port unobstructed. Do not adjust the preset 175 psi spring setting. Test for leaks after installation per standard pneumatic safety 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 75 psi Preset Setting (PSI) (MPN SF50-1A075). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 75 psi Preset Setting (PSI) (MPN SF50-1A075). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 60 psi Preset Setting (PSI) (MPN SF50-1A060). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 60 psi Preset Setting (PSI) (MPN SF50-1A060). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 250 psi Preset Setting (PSI) (MPN SF50-1A250). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 250 psi Preset Setting (PSI) (MPN SF50-1A250). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 50 psi Preset Setting (PSI) (MPN SF50-1A050). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 50 psi Preset Setting (PSI) (MPN SF50-1A050). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 100 psi Preset Setting (PSI) (MPN SF50-1A100). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 100 psi Preset Setting (PSI) (MPN SF50-1A100). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 175 psi Preset Setting (PSI) (MPN SB50-0A175). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 175 psi Preset Setting (PSI) (MPN SB50-0A175). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.

More from CONTROL DEVICES

View all CONTROL DEVICES parts
CONTROL DEVICES Air Safety Valve: Soft Seat, 1 1/4 in (M)NPT Inlet (In.), Brass, Silicone, Lead (MPN SW12-0A075). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1 1/4 in (M)NPT Inlet (In.), Brass, Silicone, Lead (MPN SW12-0A075). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 3/4 in (M)NPT Inlet (In.), 300 psi Preset Setting (PSI) (MPN SB75-0A300). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 3/4 in (M)NPT Inlet (In.), 300 psi Preset Setting (PSI) (MPN SB75-0A300). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 225 psi Preset Setting (PSI) (MPN SF50-1A225). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1/2 in (M)NPT Inlet (In.), 225 psi Preset Setting (PSI) (MPN SF50-1A225). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES Air Safety Valve: Soft Seat, 1 in (M)NPT Inlet (In.), 75 psi Preset Setting (PSI) (MPN SW10-0A075). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 1 in (M)NPT Inlet (In.), 75 psi Preset Setting (PSI) (MPN SW10-0A075). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Brass; attr294753: CONTROL DEVICES.
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
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.
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.
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.
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.
CONTROL DEVICES Air Safety Valve: Soft Seat, 3/4 in (M)NPT Inlet (In.), 3/4 in (F)NPT Outlet (In.) (MPN SCB7575-0A150). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Cast Brass; attr294753: CONTROL DEVICES.
CONTROL DEVICES
CONTROL DEVICES Air Safety Valve: Soft Seat, 3/4 in (M)NPT Inlet (In.), 3/4 in (F)NPT Outlet (In.) (MPN SCB7575-0A150). Key specifications — attr291993: Soft Seat; attr291998: Brass; attr292001: Silicone; attr292007: Lead; attr292009: Cast Brass; attr294753: CONTROL DEVICES.