HG/T 20592  法兰 PL 40-6 FFFhR

PL40-6 FFFhR

WN 100-2500 RF

WN 100(B)-25 RF S=6R6/80c0888.9 n6 RF9.4 A=14 Sch40-600 RF-

WN40(B)-16 RFm

PL400-25 FMervleh/ C=80 F

PL400(A)-6 RF S/80ampab)-1 RF/RF

NB/T47023 RF 600-1.6/65-125ch

WN 80(B)-40 RF S

NB/T47023 M 700-1.6-1.6-300 RF0-1.61.0-4.