不锈钢氧气球阀，QY347F-40,QY347F-4.0,QY347F-16P,QY347F-1.6P,QY347F-16
Inspection And Test




GB122237


GB12221


GB9113 JB79


GB9131


GB/T13927 JB/T9092





三、不锈钢氧气球阀压力试验：





公称压力NominalPressure


1.6

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