HG/T 20592  法兰 PL 100(B)-16 RFh40snWN0083

PL 100(B)-16 RFh40snWN0083

PL 200(B)-2.5 RF

WN 150(A)-25 RF S=7.1

WN 200-300 RF Sch40S

SO 8"-150 RF

5 M 600-4.0

47065.2 A325 rf /CFrf

SP-3

WN 150(B)-25 RF S=7.1

WN 350-150 RF S=12.5 RF B=1088.6PL RF Ⅱ(B)-16 RF B2=55 B1=500@40(40RF-R�@4п▓�