ASME B16.47  法兰 WN 32"-300 RF B=S=10

B WN 32"-300 RF B=S=10

JWN 100×65(B)-16 RF S=5

WN50-160RJ-Sch160 sch406/

PL250-2.5M-80fRР’В¬Р

hg-t 20592wn250-25fm01

WN RF 10K 300A=136RF=360 e=

WN350-150 RF Sch40.6/9mpampam-

wn150-150rf|022cr17ni12mo

JWN 65×100(B)-16 RF S=4

PL125a-10rf