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55L

55L Pressure Relief Valve - UL, FM

[55L]

The Cla-Val Model 55L (UL Listed FM approved) Pressure Relief Valve is a direct-acting, spring loaded, diaphragm type relief valve. The valve may be installed in any position and will open and close within very close pressure limits. Using the Model 55L in a fire protection system or other closed type system, prevents pressure build-up whenever line pressure exceeds the setting of the spring. The valve will relieve excess pressure to atmosphere preventing damage to the distribution network.

Advantages include:
  • UL Listed
  • Factory Mutual Approved
  • Direct Acting - Precise Pressure Control
  • Positive Dependable Opening
  • Drip Tight Closure
  • No Packing Glands or Stuffing Boxes
  • Sensitive to Small Pressure Variations
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