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Relief valves

Eaton offers a variety of relief valves, including inline direct-acting and inline pilot-operated valves, that provide pressure protection to the hydraulic system to maintain long-term dependability.

RELIEF VALVE SETTING RANGE
47 to 276 bar (675 to 4,000 psi)
HOUSING PRESSURE RATING
Up to 345 bar (5,000 psi)
FLOW RATING
Up to 132.5 L/min (35 gal/min)

Technical information

Model 32107 circuit relief valve

The model 32107 is a top assembly body and relief valve. It uses different (direct-acting) cartridges or a plug, with options for fixed or adjustable cartridges. When set lower than the system relief, this circuit relief valve limits the working pressure to a particular circuit. In this application, the valve must have the flow capacity to handle the total pump flow.

  • Maximum flow through relief valve: 57 L/min (15 gal/min)
  • Relief valve setting range: 47 to 276 bar (675 to 4,000 psi)
  • Standard relief valve setting: 138 bar (2,000 psi)
  • Housing rated pressure: 345 bar (5,000 psi)

Model 32107 system relief valve 

The model 32107 is a top assembly body and relief valve. It uses fixed pilot-operated cartridges or a plug. As a system relief valve, it regulates maximum working pressure in hydraulic systems and protects the hydraulic system or machine structure.

  • Maximum flow through relief valve: 75.7 L/min (20 gal/min)
  • Relief valve setting range: 103 to 241 bar (1,500 to 3,500 psi)
  • Housing rated pressure: 345 bar (5,000 psi)

Model 32112 system relief valve 

The model 32112 is a top assembly body and relief valve. It uses different relief cartridges or a plug, with options for fixed pilot-operated or fixed direct-acting cartridges. As a system relief valve, it regulates maximum working pressure in hydraulic systems and protects the hydraulic system or machine structure.

  • Maximum flow through relief valve: 132.5 L/min (35 gal/min)
  • Relief valve setting range: 69 to 241 bar (1,000 to 3,500 psi)
  • Housing rated pressure: 345 bar (5,000 psi)

Model 32060 inline crossover relief valve

Model 32060 is a fixed pilot-operated inline crossover relief valve. It is used in a closed-loop or open-loop motor circuit. The purpose of the high-pressure relief valve in the propulsion pump is to relieve the pump of excessive high pressure when the vehicle encounters a heavy load or stalls.

  • Rated flow: 76 L/min (20 gal/min)
  • Maximum combined pump and load generated flow: 152 L/min (40 gal/min)
  • Relief valve setting range: 34.5 to 207 bar (500 to 3,000 psi) 

 

RM3 and FM3 overload relief valve

RM3 is an internally pilot-operated valve that provides pressure protection to the hydraulic system. FM3 is a bypass type pressure compensated flow control and a relief valve. It is used in applications where a constant actuator speed is required in the face of varying pump output.

  • Controlled flow rate: Up to 94.6 L/min (25 gal/min)
  • Relief valve setting range: 35 to 175 bar (500 to 2,500 psi)
  • Maximum operating pressure: 175 bar (2,500 psi)

 

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