NB/T 47022  法兰 M 2200-4.0/20�

2 M 2200-4.020�

JWN 100×150(B)-25 RF Sch30s/ m1200-1

BL80-600rff6Р‘в”Җ

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 SCH800c301r6