Page 2 KunKle Pressure relief ValVes Operating and Safety inStructiOnS MaIntenanCe Maintenance should be performed on a regular basis. an initial inspection interval of 12 months is recommended. Depending on the service conditions and the condition of the valve, the inspection interval may be decreased or increased.. enter the valve and cause seat leakage. Do not use the valve body or bonnet for oPeratIon 1. Maintain a system operating pressure at least 5 psig or 10% below the set pressure of the valve, whichever is greater. Operating too close to the valve set pressure will cause seat leakage and will shorten the time between valve maintenance. 2.
Page 2 KUNKLE VALVE PRESSURE RELIEF VALVES INSTALLATION AND OPERATING INSTRUCTIONS OPERATION MAINTENANCE 1. Maintain a system operating pressure at Maintenance should be performed on a least 5 psig or 10% below the set pressure regular basis. An initial inspection interval of the valve, whichever is greater. Operating of 12 months is recommended.. KUNKLE VALVE PRESSURE RELIEF VALVES INSTALLATION AND OPERATING INSTRUCTIONS OPERATION 1. Maintain a system operating pressure at least 5 psig or 10% below the set pressure of the valve, whichever is greater. Operating too close to the valve set pressure will cause seat leakage and will shorten the time between valve maintenance. 2.