HG/T 20592  法兰 PL 40-10 RF0 H=120sch40-16

pl40a)-10 rf0 H=120sch40-16

a wn900-150rf Φmpg2064.

pl400(b)-10 rj=8rj ,hg5RF000-1.6rfRF1

SO 1"-150 RF=3895F6/5â

wn150(B)-300RFRFRF0-1

WN 80-300 RF SCH800c301r60592

SO125(b)-25 RFwn20

3 M 2800-0.620δ0=616

so 25(b)-10 rf-10 r5bampampampampam