GB/T 12459  异径三通 DN 950×950×350-Sch40TRRH40 r6h80 RJ Sch40S RF S=16 RFc2@RF@443RF@.5 RJ

DN 950×950×350-Sch40 TRRH40 r6h80 RJ Sch40S RF S=16 RFc2@RF@443RF@.5 RJ

WN80(B)-16 RF0RFF R�

SO20(B)-16RFb/ch120h400-100 R

B WN800-150RF SCH40S S=9.53

JWN 20×40-16 RF S=2.3

PL200(B)-6m0s

LWN50-150RF H=300

wn32-16 rf s=3

WN8-150RF0400JF Sch40B74