Threaded Pressure Relief Valves Datasheets

07 series manually controlled standard regulator, 90 scfm; w/o gauge [See More]

• Connection Description: Threaded; 1/2" NPT 
• Maximum Pressure: 125.00 psi

• Valve Size: 0.50 inch
• Controlled Pressure Range: 2.00 to 125.00 psi

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... [See More]

• Connection Description: Threaded (optional feature); BoltFlange (optional feature) 
• Maximum Pressure: 110.00 psi

• Valve Size: 0.50 inch
• Primary Material: PVC (optional feature); Polypropylene (optional feature) 

NITRA pneumatic manual shut-off pressure relief valve, 1/8 inch NPT female ports, lock-out (lock included), and mounting bracket. Modular design enables easy field assembly with NITRA pneumatic AF-21 series filters, AR-21 series regulators, AL-21 series lubricators and AFR-21 series... [See More]

• Connection Description: Threaded; 1/8" NPT 
• Maximum Pressure: 20.00 to 115.00 psi

• Valve Size: 0.12 inch
• Actuation: Manual 

Beswick Miniature Back pressure Regulator (BPR) is a normally closed valve that senses and responds to changes in upstream pressure. Like a relief valve, it will open to vent excess pressures from the outlet port, when upstream pressure rises above the cracking pressure. Cracking pressure is... [See More]

• Connection Description: Threaded; Various Porting Configurations 
• Maximum Pressure: 0.00 to 500.00 psi

• Valve Size: 0.00 to 0.06 inch
• Controlled Pressure Range: 10.00 to 450.00 psi

This safety valve is used to protect hydraulic circuits from unexpected pressure increases. Applications include disconnected pallet fixtures, where the temperature of a closed system could increase and cause hydraulic pressure to exceed acceptable operating limits. Poppet-type valve, directly... [See More]

• Connection Description: Threaded; 1/4" to 1/2" BSPP 
• Maximum Pressure: 7500.00 psi

• Valve Size: 0.25 to 0.50 inch
• Actuation: Pneumatic 

General Pump Spray Tips are built using an innovative design and manufacturing approach that ensures accuracy and provides consistent durability and performance for all types of high pressure cleaning systems. Tips offer high application flexibility, unique construction, positive identification, and... [See More]

• Connection Description: Threaded; 3/8" BSP-M, 3/8" BSP-F 
• Maximum Pressure: 4050.00 psi

• Valve Size: 0.38 inch
• Controlled Pressure Range: 4050.00 to 4500.00 psi

The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical by the use of a... [See More]

• Connection Description: Threaded; FaceSeal (optional feature); 3/8 NPT 
• Maximum Pressure: 3000.00 psi

• Valve Size: 0.50 inch
• Primary Material: BrassBronze; StainlessSteel; Steel; Exotic Metal; Alloy 20, Hastelloy, Titanium 

The 1/4" to 3/4" relief valves are suitable for pressure settings up to 100 PSI. Higher pressure settings are possible by changing the spring. The 1" relief valve is suitable for pressure settings up to 200 PSI. [See More]

• Connection Description: Threaded; 1/4" NPT 
• Controlled Pressure Range: 100.00 psi

• Valve Size: 0.25 inch
• Media: Air; CompressedAir 

Regulator, #10-32 Ports, #10-32 [See More]

• Connection Description: Threaded; Inlet: #10-32, Outlet: #10-32 
• Maximum Pressure: 150.00 psi

• Valve Size: 0.19 inch
• Controlled Pressure Range: 0.00 to 100.00 psi

The valves are intended for installation in pipelines in accordance with the EC guideline 97/23/EC concerning pressure devices. The type of medium (chemical, abrasive, and corrosive effect) agreed with the order and the limit values of medium pressure and temperature according to the data sheet must... [See More]

• Connection Description: Threaded; 3/4" NPT 
• Maximum Pressure: 0.00 to 600.00 psi

• Valve Size: 0.59 inch
• Controlled Pressure Range: 75.00 to 600.00 psi

The Type-700BP Back Pressure Regulator is a high flow, highly accurate pneumatic relief valve with an adjustable set point. It's primary function is to provide protection against over pressurization in the downstream portion of a pneumatic system. This precision unit is capable of handling flows up... [See More]

• Connection Description: Threaded; 1/4" NPT - 3/8" NPT 
• Maximum Pressure: 250.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 0.00 to 2.00 psi

Air Release Valves function to release air pockets that collect at each high point of a fully pressured pipeline. Air Release Valves can open against internal pressure, because the internal lever mechanism multiplies the float force to be greater than the internal pressure. This greater force opens... [See More]

• Connection Description: Threaded; 2" NPT 
• Maximum Pressure: 0.00 to 300.00 psi

• Valve Size: 0.50 to 4.00 inch
• Primary Material: CastIron 

Up to 6000psig (413bar). Up to 204 ℃ (400 ℉). SS316. Cracking pressure 50 to 6000psing (3.4 to 413bar). DK-LOK OD 1/4 - 1/2 inch. Pipe thread 1/4 - 1/2 inch [See More]

• Connection Description: Threaded; 12 mm Dk-Lok 
• Maximum Pressure: 3000.00 psi

• Valve Size: 0.19 inch
• Controlled Pressure Range: 0.00 to 3000.00 psi

Enerpac's line of directional air valves and accessories complete your workholding system. Used to control air operated hydraulic units, they increase your productivity and efficiency. VA-series directional air valves provide either manual or electric control to air operated hydraulic units. [See More]

• Connection Description: Threaded; 3/8" - 18NPT 
• Maximum Pressure: 150.00 psi

• Valve Size: 0.38 inch
• Primary Material: Steel 

General Pump Spray Tips are built using an innovative design and manufacturing approach that ensures accuracy and provides consistent durability and performance for all types of high pressure cleaning systems. Tips offer high application flexibility, unique construction, positive identification, and... [See More]

• Connection Description: Threaded; 3/8" BSP-M, 3/8" BSP-F 
• Maximum Pressure: 4050.00 psi

• Valve Size: 0.38 inch
• Controlled Pressure Range: 4050.00 to 4500.00 psi

The pressure reducing valves V782, V82 and V182 from GF Piping Systems reduce the pressure within the system to a pre-set value. By using the differential pressure, the pressure reducing valve adjusts itself to the set working pressure. The outlet pressure (working pressure) is not directly related... [See More]

• Connection Description: Threaded (optional feature); BoltFlange (optional feature); Union (optional feature); Many Connections Options 
• Primary Material: PVC (optional feature); Polypropylene (optional feature); PVDF (optional feature) 

• Valve Size: 0.50 to 1.50 inch
• Actuation: Mechanical 

T And P Valve, Commercial, Material of Construction Bronze, BtuH Rating 205,000, Inlet 3/4 In, Outlet 3/4 In, MNPT x FNPT Connection, Height 5 5/8 In, Width 2 5/8 In, Thermostat Length 5 In, Preset Setting 150 PSI,Max Pressure 150 PSI, Temp 210 F, Spring Material Stainless Steel, Standards ASME... [See More]

• Connection Description: Threaded; MNPT x FNPT 
• Primary Material: BrassBronze 

• Controlled Pressure Range: 150.00 psi

Features. Support for gases and liquids. Hydraulically operated. Replaceable seat and packings. Hydraulic Control Pressure of 1000 - 1500 psi. Hydraulic Control Ports are ¼ NPT. Options. Stainless steel valves for water service. Custom design ava [See More]

• Connection Description: Threaded; Inlet: 12H, Release Port: ¼ NPT 
• Primary Material: StainlessSteel 

• Maximum Pressure: 200000.00 psi
• Actuation: Mechanical; Hydraulic 

These valves were originally developed in response to the need for accurate regulation of high pressure at low flow without the "chatter" often encountered with valves of this size. They are differential area poppet design with a high ratio between seal and seat area for smooth control,... [See More]

• Connection Description: Threaded; 1/4" NPT 
• Maximum Pressure: 3000.00 psi

• Valve Size: 0.25 inch
• Primary Material: Aluminum 

Pressure limiting valve (safety valve): Safeguarding the system against excessive pressure or for the limitation of working pressure. Sequence valves: Generates a constant pressure difference between inlet and outlet of the flow. Directly controlled valves feature a dampening device to ensure quiet... [See More]

• Connection Description: Threaded; G 1/2, G 3/4 
• Primary Material: Steel 

• Maximum Pressure: 5076.32 psi
• Actuation: Manual 

Pressure Regulator valves are available in PVC and Corzan CPVC. Seals are FPM only. End connections are threaded only. Pressure Regulator valves can be set from 5 - 75 PSI. Minimum charges for setting pressures exist. All valves are assembled with silicone free lubricant. Features. PVC or Corzan... [See More]

• Connection Description: Threaded 
• Maximum Pressure: 150.00 psi

• Valve Size: 0.25 to 1.50 inch
• Primary Material: PVC; CPVC; Corzan 

bull; ¾" and 1" Full Port Valves. • 150 psi at 70F ° (polypropylene). • 300 psi at 70F ° (nylon). • QX3 ¾" FNPT. • Wiring: 12/24V DC and 24V AC. • 2" Standard Port Flange optional. • QX3 Cv - 15 (15 GPM at 1 PSI drop, water). • QX4 Cv - 25... [See More]

• Connection Description: Threaded; 2" Full Port Valve 
• Maximum Pressure: 150.00 to 300.00 psi

• Valve Size: 0.75 to 1.00 inch
• Primary Material: Nylon (optional feature); Polypropylene (optional feature) 

All PFA molded design. Relieves system pressure at preset crack pressure. [See More]

• Connection Description: Threaded; 1/4” Flare 
• Maximum Pressure: 200.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 20.00 to 90.00 psi

Precision Relief Valves are used as a safety device on reservoirs where a certain maximum pressure should not be exceeded. Their use can be extended to any application demanding pressure be relieved at a specific value. The valves have a fixed upper pressure rating held within plus or minus 5 PSI... [See More]

• Connection Description: Threaded; 1/4" NPT 
• Primary Material: Aluminum (optional feature); StainlessSteel (optional feature) 

• Maximum Pressure: 5.00 to 35.00 psi
• Actuation: Manual 

The V72G Series Air Pressure Relief Valves are designed for use as a single in-line unit or as part of Norgren's Excelon ® modular compressed air preparation supply system. A pressure relief valve is uses to protect pneumatic equipment from over pressure by retarding excessive pressure build... [See More]

• Connection Description: Threaded; 1/4" to 3/4" NPT 
• Maximum Pressure: 300.00 psi

• Valve Size: 0.25 to 0.75 inch
• Primary Material: Aluminum 

Compact, sensitive diaphragm-type relief valve, lightweight aluminum construction. [See More]

• Connection Description: Threaded; 1/4" Pipe Male Only 
• Maximum Pressure: 300.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 0.00 to 100.00 psi

H1 Series pressure/vacuum relief valves are used to maintain positive pressure in hydraulic reservoirs. Their compact size, reuseable bronze filter and high flow characteristics make this valve a popular choice. The HM1 Series offers the same features and characteristics as the H1 Series with the... [See More]

• Connection Description: Threaded 
• Actuation: Mechanical 

• Valve Size: 0.50 to 1.00 inch
• Media: Hydraulic 

Dual crossover relief valves provide pressure surge protection for double acting hydraulic actuators. For best results, you always want to install the valve as close to the actuator as possible. The dual crossover feature can be achieved in two different methods. One way is to manifold two... [See More]

• Connection Description: Threaded 
• Media: Hydraulic 

• Maximum Pressure: 72.52 to 4351.13 psi

The Porter Model 415 Electronic Pressure Regulator combines the proven Porter EPC Electronic Proportional Control Valve with an integrally-mounted pressure sensor and the necessary electronics for self-contained closed-loop pressure control. Model 415 permits regulation of forward (i.e. downstream)... [See More]

• Connection Description: Threaded 

The Type SRH High Capacity Safety Relief Valves are designed and constructed to meet the requirements of Section VIII ASME Boiler and Pressure Vessel Code and ANSI/ASHRAE 15 Code requirements and bear the ASME Code Symbol (UV). Employing proven principles of design, these Safety Relief Valves are... [See More]

• Connection Description: Threaded 
• Primary Material: BrassBronze 

• Valve Size: 1.25 inch
• Media: Air; Water; HotWater; ColdWater  ; Gas; Steam 

Advantages: Protect systems and equipment from dangerous overpressures. For use as back pressure valve, straight relief, by-pass relief or back pressure regulator. Offer wide range of pressure settings from 5-150 PSI (0.4-10.4 BAR) with sensitive operation. Designed with PTFE guides for non-sticking... [See More]

• Connection Description: Threaded; 1/4" NPT or BSP 
• Maximum Pressure: 5.00 to 150.00 psi

• Valve Size: 0.25 inch
• Primary Material: PVDF 

The Prince Series 20 features 1 -10 work sections, extra fine spool metering and power beyond capability. The mounting is usually interchangeable with Gresen “20 ” GPM stack valves. Spools are hard chrome plated. A float section can be installed in any location in the valve assembly. [See More]

• Connection Description: Threaded; NPTF and SAE 
• Maximum Pressure: 3500.00 psi

• Valve Size: 0.38 to 0.88 inch
• Primary Material: CastIron; Steel 

Features: Designed for modular installation. Also had threaded ports for non-modular installation. Diaphragm type for maximum sensitivity & fast response. Gauge included [See More]

• Connection Description: Threaded; 1/4", 3/8", 1/2", or 3/4" NPT 
• Maximum Pressure: 300.00 psi

• Valve Size: 0.25 to 0.75 inch
• Controlled Pressure Range: 0.00 to 250.00 psi

Valves - Pressure Relief [See More]

• Connection Description: Threaded; G 1 / 4 
• Maximum Pressure: 145.04 psi

• Valve Size: 0.25 inch

Pressure regulators for cryogenic gases and liquids as well as. other liquids, gases and vapors. Industrial gases, such as argon, nitrogen and oxygen, are. stored in liquified condition at extremely low temperatures and. at a constant pressure in thermally insulated containers. Suitable. pipelines... [See More]

• Connection Description: Threaded; G 3/4 
• Maximum Pressure: 580.15 to 725.19 psi

• Valve Size: 0.75 inch
• Controlled Pressure Range: 14.50 to 580.15 psi

The 20-400 series unloading valves are available in four operating pressures from 6,000 psig up to 30,000 psig. used to automatically release hydraulic pressure replacing the standard manual shut off type release valve found in most high pressure systems. The unloading valve is controlled by a pilot... [See More]

• Connection Description: Threaded; .25" NPT 
• Maximum Pressure: 1000.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 100.00 to 1000.00 psi

Positive Re-Seating • Superior Design • Accurate. Main Features. ss 316L throughout. soft-seated, bubble tight shut-off. partially balanced. Cv 0.49. reliefs against backpressure. spring housing isolated from process. factory set and wire locked. accurate reseating. shell design according... [See More]

• Connection Description: Threaded; 1/4 in. BSPP, NPT 
• Maximum Pressure: 5801.51 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 0.00 to 5801.51 psi

Back Pressure Regulator for a stable sample flow rate to guarantee reliable and accurate measuring results. Features. Made of stainless steel SS316L. Sample in- and outlets with female threads ⅛", Swagelok or Serto connections. One sample inlet, one overflow outlet and optional outlets to the... [See More]

• Connection Description: Threaded; 1/8" Female Thread 
• Maximum Pressure: 7.25 to 8.70 psi

• Valve Size: 0.12 inch
• Primary Material: StainlessSteel; PVDF; Rubber 

Continuously bleeds off excess internal gas to maintain a safe positive pressure inside glove boxes. Variable release mechanism automatically discharges any sudden surge of incoming gas. Protects against accidental negative pressure by functioning as a check valve. Extends life of doors and gaskets. [See More]

• Connection Description: Threaded (optional feature); Union (optional feature) 
• Primary Material: StainlessSteel (optional feature); polymer 

• Valve Size: 0.62 to 1.00 inch
• Actuation: Electric 

TESCOM ™ Compact Panel is a central gas supply unit for the pressure control of analytical gases in laboratory facilities. Depending on the requirements, these units switch over to a spare cylinder to enable an uninterrupted gas supply. The use of contact gauges allows the monitoring of empty... [See More]

• Connection Description: Threaded (optional feature); Compression (optional feature); M16x1.5 Female or 1/4" NPT 
• Maximum Pressure: 2900.00 to 4350.00 psi

• Valve Size: 0.25 inch
• Controlled Pressure Range: 44.00 to 508.00 psi

Tobul Safety Shutoff Valves (TSV30/50) are designed to protect hydraulic systems from excess pressure; shut off hydraulic flow and isolate accumulators from the hydraulic system; and bleed off/discharge system pressure from accumulators and associated equipment. The optional electrical solenoid... [See More]

• Connection Description: Threaded; SAE 8/12/16/24/32 
• Maximum Pressure: 3000.00 to 5000.00 psi

• Valve Size: 0.50 to 2.00 inch
• Primary Material: Steel 

Series 315-M1 Steam Safety Relief Valves are used in commercial and industrial applications for low-pressure, steam heating boilers and process equipment. It consists of a bronze body construction with NPT threaded male inlet and threaded female outlet (drain) connection, stainless steel spring, a... [See More]

• Connection Description: Threaded; Female NPT 
• Maximum Pressure: 15.00 psi

• Valve Size: 0.75 inch
• Controlled Pressure Range: 0.00 to 15.00 psi