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General valve series當(dāng)前位置:主頁(yè) > English(en) > PRODUCT > General valve series >

Name:
GB Forged Steel Ball Valve
No.
Q347F
Info：

 Application Specification

1,Design manufacture according to GB 12237-89

2,Face to face according to GB 12221-89

3,End flange dimension according to JB79-94

4,Valve check and test according to GB 13927-89