產(chǎn)品名稱:
Z83Y 高壓平板閘閥型號(hào):
Z83Y口徑:
DN25~200mm材質(zhì):
WCB 304 316產(chǎn)品摘要:
JB/T5198-91管線用鋼制平板閘閥 Steel parallel plate valve for pipeline ANSI B16.5a-1992管法蘭管件 Pipe flanges and flange pipes GB/T13927-92通用閥門壓力試驗(yàn) Pressure test for universal valves JB/T9092-1999閥門的檢驗(yàn)與試驗(yàn) Valve inspection and testing JB/TQ814-89鋼制平板閘閥產(chǎn)品閥產(chǎn)品質(zhì)量分