50B-4KG1KOL & 2050B-4KG1KOL Pressure Relief Valve


The Cla-Val Pacific Globe Pattern Model 50B-4KG1KOL and Angle Pattern Model 2050B-4KG1KOL relief valve is designed to relieve excess pressure in a fire protection system, while eliminating the damaging effects of cavitation.

  • For Onshore and Offshore Applications
  • UL, ULC, FM, ABS Certified and Approved
  • KOL Anti-Cavitation Trim Seat:
    • Protects Against Cavitation
    • Reduces Noise and Vibration
    • Extends Valve Life
    • Compliant with NFPA 20 Standards
The valve features an adjustable pressure setting, fast opening to maintain steady line pressure, and gradual closing for surge free operation.