Hydraulic Fluid Pressure Relief Valves Datasheets

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]

• Media: Hydraulic; Air; Breathable; CompressedAir; Water; HotWater; ColdWater  ; GroundWater; PotableWater; Wastewater; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas 
• 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]

• Media: Hydraulic; Air; CompressedAir 
• Maximum Pressure: 7500.00 psi

• Valve Size: 0.25 to 0.50 inch
• Connection Description: Threaded; 1/4" to 1/2" BSPP 

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]

• Media: Hydraulic; Air; Water; HotWater; ColdWater  ; GroundWater; PotableWater; SaltWater (optional feature); Gas; Gasoline or Diesel Fuel (optional feature); HighPurity (optional feature); LP Gas (optional feature); NaturalGas (optional feature); SourGas (optional feature); SpecialtyCorrosive (optional feature); Steam; Liquids 
• Maximum Pressure: 3000.00 psi

• Valve Size: 0.50 inch
• Connection Description: Threaded; FaceSeal (optional feature); 3/8 NPT 

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]

• Media: Hydraulic; Air; CompressedAir; Water; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas 
• Maximum Pressure: 0.00 to 600.00 psi

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

Modular stack valves are designed to install between the valve and its mounting surface. This will eliminate plumbing connections and space requirements. Continental Hydraulics has a full range including check, flow control, relief, reducing, sequencing, shuttle and counterbalance valves. [See More]

• Media: Hydraulic 
• Controlled Pressure Range: 50.00 to 3000.00 psi

• Maximum Pressure: 5000.00 psi
• Connection Description: NFPA Size D03 

Dynex VH Series pressure controls are ideal for use in high-pressure and high-shock systems. These pilot-operated poppet style valves provide fast response to circuit conditions.Relief valves regulate pressure and provide circuit protection at pressures to 15,000 psi. Unloading valves operate at... [See More]

• Media: Hydraulic 
• Maximum Pressure: 10000.00 psi

• Valve Size: 0.75 inch
• Actuation: Electric; Pilot; Pneumatic; Electric, Air, or Hydraulic Vent Option 

Spool style solenoid valves and control modules are used in circuits that do not require zero leakage. Used to control the advance and retract of single acting and double acting cylinders. The dual check valve can be used to lock pressure in a group of cylinders. The dual flow control offers... [See More]

• Media: Hydraulic 
• Actuation: Manual 

• Maximum Pressure: 0.00 to 5000.00 psi

• Pressure limiting valve (safety valve): Safeguarding the system against excessive pressure or for the limitation. of working pressure. [See More]

• Media: Hydraulic 
• Primary Material: Steel 

• Maximum Pressure: 2900.75 to 4351.13 psi
• Actuation: Manual 

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]

• Media: Hydraulic 
• Connection Description: Threaded 

• Valve Size: 0.50 to 1.00 inch
• Actuation: Mechanical 

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]

• Media: Hydraulic 
• Connection Description: Threaded 

• Maximum Pressure: 72.52 to 4351.13 psi

Pilot operated pressure relief valves for in-line mounting series R4V have a similar design to the subplate mounted R4V series. For single functions - where no manifold blocks are used - the valves can be directly placed in the pipework. The R4V valves are available with 2 ports (L-body) for in-line... [See More]

• Media: Hydraulic 

• Maximum Pressure: 5076.32 psi

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]

• Media: Hydraulic 
• Maximum Pressure: 3500.00 psi

• Valve Size: 0.38 to 0.88 inch
• Connection Description: Threaded; NPTF and SAE 

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]

• Media: Hydraulic; Water; HotWater; ColdWater  ; Gas 
• Maximum Pressure: 1000.00 psi

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

• Media: Hydraulic 
• Maximum Pressure: 3000.00 to 5000.00 psi

• Valve Size: 0.50 to 2.00 inch
• Connection Description: Threaded; SAE 8/12/16/24/32 

For use in double or single acting systems. Direct acting, poppet style, adjustable, cartridge construction. Cartridge may be installed directly into your manifold. Set the Range from 750 to 4,500 psi (Recommended). Repeatability is ±7% of set pressure. Maximum inlet pressure 5,000 psi. [See More]

• Media: Hydraulic 
• Connection Description: TubeFitting; D03 Mounting 

• Maximum Pressure: 750.00 to 4500.00 psi
• Actuation: Manual