GRIFFCO RK002 SPARE PARTS KIT, PLASTIC TOP .50-1" G-V VALVE, TFE DIAPHRAGM 150 PSIG SPRING
GRIFFCO VALVE SPARE PARTS KIT: Each Griffco valve spare parts kit includes the four most commonly required items to maintain a back pressure valve or pressure relief valve in good working order. Part #6 - pressure spring. Part #7 - support disc. Part #8 - diaphragm. Part #9 - adjustment screw.