GB/T 12459  异径三通 DN 1500×1500×1300-Sch140TR

DN 1300×1300×1500-Sch140 TR

PL 50B-10 RFRF=4.-16F00

WN20B-900Rf0461 rf016

PL50-6 RF AF-1/44mpampampw150rfd=/25RFK=200 C=26sFRF1/Fa

WN450(B)-25 RF S=1/

bi 1100-s0 Î

PL600(B)-6RF00-0(2001F6RFH40B0fF4-2.5)225

SO 200-150 RF

bl80-6RFrj3=2/00--40 fm/

WN