HG/T 20592  法兰 PL 250-16 RFerh403)- S

PL250-16RFerh403)- S

Th(NPT)25-150 RFASME B

BL50-150 RF.6 FF6/1

wn32(B)-63 rf-1

WN 150-150 RF S=2.1

PL125B-63 RFS=12.7/@47021

1WN 750-150 RF=12.7

WN 25A-25 RF09400f sch40F1000

BL65-150 MFF6/46-128F02h80@40

WN150-16RF0-140ch1 RF Sch40RFRF0S=(00@40 B()