Main Relief Valves

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          Cla-Val 2050B-4KG1 Fire Pump Angle Relief Valve UL/FM


          U.L. Listed /U.L.C. Listed

          Factory Mutual Approved


          The Cla-Val Model 2050B-4KG1 Globe/ 2050B-4KG1 Fire Pump Angle Pressure Relief Valve is designed to automatically relieve excess pressure in fire protection pumping systems. Pilot controlled, it maintains constant system pressure at the pump discharge within very close limits as demands change. 


          eFirePump.com stocks the Cla-Val Model 50B-4KG1 flanged angle pattern UL/FM fire pump relief valves and ships to the continental US for FREE typically within 1-2 business days to any commercial address.  If the address being delivered to is residential, we reserve the right to collect the additional cost for the residential delivery.

          Optional globe pattern and grooved valves available. Contact efirepump.com for price and availability. 


          Pressure Ratings Class 150# Flanged

          250 PSI Maximum Inlet Pressure

          20-200 PSI Adjustable Set Relief Pressure Range


          Pressure Rating Class 300# Flanged

          300 PSI Maximum Inlet Pressure 

          100-300 PSI Adjustable Set Relief Pressure Range

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                Kunkle 218/228 Fire Pump Angle Relief Valve UL/FM

                The Kunkle Model 218/228 is a bronze trim UL Listed and FM approved relief valve designed for fire pump installations. It is easily adjustable with the provided hand-wheel. Maximum set pressure of 175 PSI with the 125# inlet flange and a maximum set pressure of 200 PSI with a 250# inlet flanges.

                eFirePump.com stocks the Kunkle 218 fire pump relief valve and typically ships to the continental US for FREE typically within 1-2 business days.

                We furnish the Kunkle Model 228 which is the same valve as the 218; but includes both the pressure cap and handwheel. Both are equivalent to the non-listed Kunkle Model 91.


                Pressure Ratings Class 125# Flanged

                200 PSI Maximum Inlet Pressure

                60-175 PSI Adjustable Set Relief Pressure Range


                Pressure Rating Class 250# Flanged

                200 PSI Maximum Inlet Pressure 

                60-200 PSI Adjustable Set Relief Pressure Range

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