HG/T 20592  法兰盖 BL 450-6 M10F00(B)-16 RFb=3ch4F

BL 450-6 M10F00(B)-16 RFb=3ch4F

SO 250-300 RF Bfsch16012 A=2.5RF56

BL 300-10 RF

WN 1 1/2"-150 FF Sch10S S=1.65 A=38.1 B=

WN50-25RFS=4

WN 65(B)-16 RF

SO 80-300 RF

WN300-150RF B=303.9

PL65(B)-16 RF

WN 50(B)-16 RFF B=Sch40F@4450-1 SamR MR-10R6 δ