ASME B16.5  法兰盖 BL 20"-2500 RJ

B BL 20"-2500 RJ

wn50(b)-25fm40 RF5 R6B)10ch4755-R

WN50-40 RJgfM Sh40SC= &47 r0/40.5 RJ خ´

pl325B-10rf050 RFrf8@5 RJSc002@F9)-25

LWN0-600RF Sch6 RF225hFFFsRF@F

WN 4"-300 RF Sch10S tf=38.1 Y

47023 m600-1.6 ุ

SO 8"-150 RFchpa

47022