GB/T 12459  偏心异径管 DN 20×15-3RE

BL RF 10K L 65A

DN 20×15-3 RE

WN40(B)-100M S=5

WN 300-600 RF S=49

PL600(A)-16RF

WN 1/2"-900 RJ S=4

PL 80(B)-16 RF

WN150(B)-25RF S=3

DN25-PN40 WN RF Ⅱ S=7

wn25(b)-25M0 RF SchSg1 S=6/dataata6 dn=150 d=265 ГҺВҙ=12 d11R6SCH40S ST� ScS0 RF S