NB/T 47021  法兰 RF 850-1/6

NB/T47021 RF850-16

PJ/RJ 125(B)-10 RF

DN250/PN16/11B Sch40S

WN 700(B)-10 RF S=10

WN250(B)-16 RF S=8

so80-40 rfSFT/WN10/

WN 800(A)-16 RF S=10

B WN 1000-150 RF S=12

DN50/PN16/12B

B WN 40"-150 RF B=Sch40S5/68-140ch40h10S5908 d=1808=J-RmpmmInvokerS