HG/T 20592  法兰盖 BL 65-16 RF�0-63 RFpampampampampamp S=12 FF400-1FFM S

BL65-16 RF�0-63 RFpampampampampamp S=12 FF400-1FFM S

DN65/PN10/11H Sch10S

DN 25×15-Sch10S REmpampampampamp S=12 FF400-1FFM S

WN 50(B)-40 RF S=5

WN 600(B)-10 RF S=5 H=82

A WN 36"-300 RF B=Sch160

BL250-16 RF

BL 50-150 RF

SO 20"-150 RF

WN 6