HG/T 20592  法兰 PL 15(B)-16 RF0 RF5 RJ=F-1@RF8@S02&3F5G200-0.6FFS R-16rf/S=60-1

PL 15(B)-16 RF0 RF5 RJ=F-1@RF8@S02&3F5G200-0.6FFS R-16rf/S=60-1

RWN125-1500RJ

wn80(a)-25 rf s=3.5

WN50(B)-16GGG0s)-2RF115f

LWN 25-150 RF SCH40S

PL 250(B)-16 RF0à�2.55.

WN200-150RF S2/u0RRJbР

DN100/PN16/01Ach44060

SO 1/2"-150 RFRF6R=

WN200-