GB/T 12459  异径三通 DN 1300×1300×450-Sch100TR

DN 1300×1300×450-Sch100 TR

wn250(b)-16 rf6 RFu000.5=8

PL 50(B)-16 RFSCH80

PL 50-10 RFp

wn100-900 rf sch80sa-6 RF S=

wn100-300rfrf RJ=3HG/T2-31MJ1¢00

BL200(B)-40MF200-ch8054-16RF51H5

bl50 -10rfRF25 RF S=400 rf25.510

SO 125(B)-16 RFb)-16rf

WN 500(B)