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美国太平洋pacific闸阀 - ANSI级别2500 型号55525H-7-WE*柔性楔形闸板,对焊连接端口 型号55525H-7柔性楔形闸板,法兰凸面 型号55525H-7-RJ柔性楔形闸板,法兰,环连接 Fig. No. 55525H-7-WE* Flex Wedge, Butt Weld Ends Fig. No. 55525H-7 Flex Wedge, Flanged Raised Face Fig. No. 55525H-7-RJ Flex Wedge, Flanged, Ring Joint 型号55425H-7-WE*平行阀座阀瓣,对焊连接端口 型号55425H-7平行阀座阀瓣,法兰凸面 型号55425H-7-RJ平行阀座阀瓣,法兰,环连接 Fig. No. 55425H-7-WE* Parallel Seat Disc, Butt Weld Ends Fig. No. 55425H-7 Parallel Seat Disc, Flanged, Raised Face Fig. No. 55425H-7-RJ Parallel Seat Disc, Flanged, Ring Joint