GB/T 12459  异径四通 DN 100×100×50-Sch10SCRR620sCH12F Sch100H1=4.6f 59

DN 100×100×50-Sch10S CRR620sCH12F Sch100H1=4.6f 59

47023 RF2300-0.65(B)-

BL 80-25 RFpam5RFS=1’-1/-6RFMF25 s=130SRF20-165A S/data

法兰WN350-300 RF,S=10

DN500/PN16/05Btml5δ0=8ŽÂ-H=165

bl 300-300 RF S=420RSCRF5/t2f=630-28f sch40

WN200-300 T Sc