... valve,swing check valveMaterials:Ductile Cast Iron,Cast iron, cast steel, bronze,stainless steel, SS304, SS316, SS316LDN Size: 15-1200mmPressure: 5K, 10K, ... ABS, BV, DBV, GL and done it by customer request Bronze :F7301, F7351,F7302,F7352,F7303,F7409,F7304,F7410,F7334,F7367 ... F7311C,F7372,F7373,F7358,F7359,F7363,F7364,F7369,F7333 Cast Steel F7311,F7311C,F7312,F7312C,F7319,F7471,F7320,F7472,F7313, ...