375 PRI/Chek Valve

The 375 PRI/Chek Valve combines the function of a pressure relief valve in parallel with a check valve into one easy to install insert.

375 PRI CHEK VALVE

The relief valve function features a rugged Tungsten Carbide ball and a 440C seat for durability and long life. The remaining components are constructed entirely of stainless steel.

The 375 PRI/Chek Valve is available in a range of relief flow cracking pressures for system pressures up to 5000 psi. Maximum restriction in the free flow direction is only 220 Lohms (see reverse page for an explanation of Lohms).

Each Lee PRI/Chek Valve is 100% tested and inspected in both flow directions to ensure reliable, consistent performance.

  • Combines the function of a pressure relief valve in parallel with a check valve.
  • Durable tungsten carbide ball and a 440C Cres seat.
  • Designed for system pressures up to 5,000 psi
  • Weighs only 24 grams
  • Endurance tested to 100,000 relief flow and 500,000 free flow cycles

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    Precision Hydraulics

    Combination & Shut-off Valves