ASME B16.47  法兰 WN 40"-900 RF S=1mpampamp2--2.570s5-16RF

B WN 40"-900RF S=1mpampamp2--2.570s5-16RF

2 T 550-1.020

SO200-16RF160Sc/i12Moh160Sb=1

BL 200-25 RF40S25

WN125B-40M00-4.0/s=4.MrfSMHG20615 WN RF Sch40ShgF Sc500-1

WN 40-300 RF sc

SW 25-300 RF0 kF00

WN40(B)-16FF S/

BL900(B)-2.5RF-

wn150(B)-100 RF/