HG/T 20592  法兰 PL 350(B)-16 FFS=5f0 RF@RRFFFm0@4

PL350(B)-16FFS=5f0 RF@RRFFFm0@4

BL200-150 RF

A WN 28"-150 RF B=Sch80S

WN 36-300 RFMb)-16

PL50-10RF724

PL50(B)-10RFc0S0

wn100b-16rfs=4.5ch10S600-

SO 500(B)-10 mfm

WN 350-16 M Sc=46RF

B WN 28"-150 RF B=Sch80S S rf 1JsRF@F00FFRF0S6 B==2@t00rf