HG/T 20592  法兰 PL 150-16 RF1/rjRF�RF0

pL 150-16 RF1/rjRF�RF0

SO 100-150 RF S=12.7

BI1200_ï؟½03.1

WN 300(B)-100 RF S=11.5

SO 4"-150 RFF RF sSch40S10O2m40RSM600FMF0@F=36)@RFF1000-0.6h46M@RF RF&a

PL 25(A)-16 RF3h 450RF-R250a5j&9-16LWN

47023 rf2000-1.0/110-165

PL500-10RF G

bl450(b)