HG/T 20592  法兰 WN 500-16 MF RF SC-

WN500-16MF RF SC-

SO 20"-150 FF RFB=1-R@B0�5S5Rsch4RJ000 rFF407.5 RJRF40@40HS5 RJFР В �@�HS5

PL 150(B)-16 RF@40HS5 RJFР �50S0RF600-1

WN50-16 RF6-488

WN25-150RF S=10

1 M 500-0.6 δs=61(b)-25 fm/´=FRF

WN100-2500 RF Sch40mpampampampa