... pressure: 0.15Mpa add or minus 0.05 Mpa Fillin water pressure: less0.02 Standard or NonstandardStandard StructureDiaphragm PressureMedium Pressure PowerHydraulic ... Brand NameHenja NameBoliler Safety Valve Thread1/2",3/4", MediaWater, Gas Gender of Threadmale or Female Another nameboiler safety relief valves ... Working temperature0 - +90 Ra;nge of bar0.7,0.75,0.8,0.85 mbar