HG/T 20592  法兰 PL 350(B)-10 FF D==3B/u0

WN80(B)-100FMSJRF06-64RF407F

PL350(B)-10FF D==3B/u0

SO 32(B)-16 RFF Sch40Sbsp5

WN150(B)-600RFsFRF FF

JWN 200×250(B)-16 RF S=12.5

PL 50(B)-16 RF

WN 2"-150 RF Sch40

1 RF 400-1.0 δs=4

DN 100×100×50-3.5 TR

WN 4"-150 RF Sch4006RJ660RJ-60 b1R