NB/T 47022  法兰 RF 2500-0.6/12

2 RF2500-0.612

DN25/PN100/11B S=3.5

LWN20-150RF Sch40 H=1

3 fm2000-1.6/1600FM3-150s000(b)-16 rf122g3001=3C780-16 RF

WN25-150 RF Sch40F/bf

1 RF 800-0.620δs=

47023 RF800-1.0/65-1203.5f)H/120-165RFH

LWN 20-300 RFБ√▓п�0RF502

PL80-16RFS=12d=595