GB/T 12459  异径三通 DN 450×450×40-Sch30TR

DN 40×40×450-Sch30 TR

DN100-PN10 PL RF Ⅱ

PL40(A)-16RF=

PL100A-40RF-020 Sch40RF161 C=1

wn125-150ff89

WN100(B)-16 RF-00RFº-1-Ff450-165mp00ch00-1.60s SF S4.0=1

BL80-16 RF S=5 D=1652.0/2-1

PL50(B)-16 RF HG

PL500(B)-2.5 FF C=16

bl125-1500fm(b)280160