Relief valves

152 companies | 417 products
Valves
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unloading relief valve - M-VF-T series

PTFE Pressure Relief Valves

Features
• High reliability
•...

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unloading relief valve / high-pressure - DN 25 - 80, PN 16 | GU series

Series: GU
Overflow and pressure relief valve, with lifting lever
Design:...

unloading relief valve / high-pressure - DN 25, PN 16 | GUT series

Overflow valve type GUT/F, PN 16, without lifting lever, body material: ductile cast iron EN-JS 1049 acc....

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unloading relief valve - OPRV series

Oil pressure relief valves are used to control oil supply pressure in combustion systems. The relief valve can be utilized for single-burner applications...

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unloading relief valve - OPRV series

The “MRV” series 2 port design allows each valve to be used both as pressure relief and...

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unloading relief valve - 275 psi | BPRV™

Buckling Pin technology offers an accurate and reliable means of calibrating pressure relief devices. BS&B has developed the BPRV™ Buckling Pin Relief Valve for in-line pressure...

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unloading relief valve - 275 psi | BPRV™

A combination between pressure release valve and single seat valve
...

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unloading relief valve - 1/2 - 2

The thermoplastic pressure relief valve protects equipment and systems against overpressures or sudden pressure surges. Able to handle highly corrosive or ultrapure liquids, the relief valve prevents pumps from dead-heading due to unexpected shut-offs downstream (also known as a bypass relief valve). It maintains back...

unloading relief valve - 1/2 - 1 1/4

Type-E Pressure Relief Valve (1/2" – 1-1/4")

The thermoplastic pressure relief valve protects equipment and systems against...

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unloading relief valve - DN 65 - 100 | DHV712

The DHV712 is a pressure relief valve that can be operated within the pressure range of 0.3 up to 10 bar. It is...

unloading relief valve - DN 10 - 50, 10 bar | DHV712-R

The Stubbe DHV712-R is a thermoplastic pressure relief valve that possess a patented piston...

unloading relief valve - DN 8 - 50, 10 bar | DHV718

The Stubbe DHV718 is a pressure relief valve that possess a simple construction and functionality...

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unloading relief valve / low-pressure - MPV series

Integrated packages destined for screw or vane compressors, with temperature control functions, oil circuit, oil filtration, air oil separation, minimum pressure and check valve. Available in various sizes, to equip compressors with 3 to 30 Kw of power (flow rates from 0.3 to 4.5 m3/min)....

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unloading relief valve / hydraulic - 1/4 - 1/2

These adjustable, spring-loaded poppet valves are used to limit system pressure. Excess pressure unseats the poppet, allowing flow with minimal increase in system pressure. As fluid is released the system pressure decreases until the spring force...

cartridge relief valve / unloading / hydraulic - 1

The Kepsel® cartridge has the same internal features as its counterpart Kep-O-seal® adjustable inline relief valve. These adjustable, spring-loaded poppet valves are used to limit system pressure. Excess pressure unseats the poppet, allowing flow with minimal increase in system pressure. As fluid...

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unloading relief valve - DN 6 - 12, 15 bar

Description

System-medium controlled overflow valves are simple and compact regulating devices...

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unloading relief valve - max. 10 500 psig, -196...288 °C

Relief Valves

Circle Seal Controls Relief Valves

Choose from a wide...

unloading relief valve / low-pressure - 1/8 - 1/4

Features
Popoff or inline valves
Adjustable crack pressure
Zero leakage
Optional factory preset
Accurate set pressure
Wide range of cracking...

unloading relief valve - 0 - 25 psig | L500 series

Technical Data

Body Materials
Brass
...

unloading relief valve / stainless steel - 1/4 - 1/2

Features
Very accurate cracking pressure
Zero leakage up to 95% of cracking pressure
100% seat leakage tested
Tamper-proof adjustment
PED...

unloading relief valve / stainless steel - 1/8 - 1 1/4

Features
Zero leakage up to 95% of cracking pressure
Positive reseat at high percentage of cracking pressure
Accurate set pressure
Wide range of cracking pressure
Tamper-proof...

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unloading relief valve - max. 5.9 psi

The Aerodyne mini relief valve, Model 5280, provides precise pressure
relief of inert gases in a compact...

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unloading relief valve / pilot-operated - 2 - 30 MPa | BP series

This valve reduces the circuit pressure down...

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unloading relief valve - DN 25 - 100 | VARIVENT® Q series

Overflow Valves Type Q series VARIVENT® are generally used as pressure relief valves in pipelines,...

unloading relief valve / hygienic rotary - DN 25 - 100 | VARIVENT® D-Force series

This new development avoids dead ends and unwanted product mix-up areas while providing a clean and hygienic production environment. The present...

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vacuum relief valve / unloading - 3

Are standard Air and Vacuum Valves mounted on a Surge Check Unit. The Air and Vacuum Valve operates in the normal fashion allowing air to escape freely at any velocity (maximum discharge velocity is approximately 300 feet per second at 6.7 PSI; however, good pipe line design restricts velocity flows of air to 10 feet per second which occurs...

unloading relief valve - 3/4 - 2

Fuel Service Air Release Valves operate while pressurized allowing entrained air to escape from the fuel pipeline, pump or reservoir...

unloading relief valve - 1/2 - 6

Air Release Valves function to release air pockets that collect at each high point of a pressured pipeline. Air...

unloading relief valve / for water systems - 1/2 - 1/4

Operate same as Air Valves for Water, differing only in appearance with elongated taller bodies. Elongated bodies minimize clogging by permitting use of a much longer float stem,...

unloading relief valve / for water systems - 1/2 - 4

Operate same as Air Valves for Water, differing only in appearance with elongated taller bodies. Elongated bodies minimize clogging by permitting use of a much longer float stem,...

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unloading relief valve - max. 36

The CLA-VAL Model 50-20 Seawater Service Pressure Relief Valve is designed...

unloading relief valve / pilot-operated - max. 12

The CLA-VAL Model 50B-4KG-1 Globe / 2050B-4KG Angle Pressure Relief Valve...

unloading relief valve / direct-operated - 1/2

The CLA-VAL Model 55L (UL Listed FM approved) Pressure Relief...

diaphragm relief valve / unloading - 1/2

The Pressure Relief Control is a direct acting, spring loaded,
diaphragm...

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unloading relief valve / pilot-operated - 5 - 40 l/min | SUH

A valve that provides a reduced pressure supply from the main hydraulic system suitable for pilot hydraulic operation. Accumulator and electric isolation valves...

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unloading relief valve - 9 - 11.5 psig, 450 °C

UHV Compatible all metal construction
ASME UD certified
10CFR851 compliant
Pressure relief...

vacuum relief valve / unloading - 10 psig, -20 - 150 °C

HV Compatible
Pressure relief @ 10 PSIG (±15%)
10CFR851 compliant
ISO 9000 Compliant
Leak tight to 2 x 10-8 std. cc/sec of Helium
316 Stainless steel body,...

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vacuum relief valve / unloading - 10 psig, -20 - 150 °C

Pilot Operated Pressure Relief Valve
Size:...

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