HG/T 20592  法兰 PL 300(B)-16 FF b=3 C

PL300(B)-16 FF b=3 C

BL100-25RF.0/70-16chFRFm80RF Sch80S

WN1000(B)-10RF S=16600 R

BI14092---80S-4.0 5F Sch00(b)-10

WN150B-40RF01.(B)=70S=60.3-10RF

PL32b-2.5RF52m/30b=263 RFS

SO 20 -150RFS4.0=FRFampF Sch1

WN15(B)-160RF RF sch soT S=3.

hg/t20592-2009