HG/T 20592  法兰 WN 500(B)-40 RF05 R(B)-1

Wn500(B)-40 RF05 R(B)-1

PJ/SE 500(A)-16RF

3 FM 400-1.0 δ0=10

WN 80(B)-160 RF S=8

SO 100(A)-16 RF

BL500-10RF

3 M 1700-4.0 δ0=20f b0350-60=64f0Sc

SO 10(A)-16 RF

BI 50040S b=1 sch/6S=4h4000-1.

47023 m300-1.6/FS5RFF�0)-16RFk=RF.0؟B=369R4 fRF60-FFF50