Stainless Steel Double Door Check Valve Retainerless Type Material: Stainless Steel Type: Double Flange/Double Fange Lining Presure Rate(ASME): ANSI 150/300/600/900/1500/2500 lbs Presure Rate(ISO): PN 10, PN 16, PN25, PN40 Presure Rate(JIS): 5K, 10K, 20K Size: 1/2"-60"
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