Nominal pressure:1.6,2.5,4.0,6.3MPa Strength test:2.4,3.8,6.0,9.5MPa Seal tese:1.8,2.8,4.4,7.0MPa Gas seal test:0.6MPa Valve body material:WCB(C),CF8(P),CF3(PL),CF8M(R),CF3M(RL) Suitable medium:water,steam,oil,products,nitric Suitable temperature:-29°C~425°C