HG/T 20592  法兰 PL 150(B)-40 RF25 RF08

pl150(b)-40 rf25 RF08

3 RF 1000-1.6 δ0=16

47065.3 B48100mpammp

WN15-150RF S=4 N=100 RC=5mm80I7021 rf1000)-

BL150-150 RF L=3/4&ampampamp;amp;

WN80(B)-16 RF42324ot

47021 c-rf 1600-0.25

WN80(B)-16 RF4001or

WN50-150 RF Sch3084h6R6

WN50-150 RF Sch857