NB/T 47021  法兰 FF 800-1.0 خd-c.0s12.fm6/70-32sc.

1 FF 800-1.0 خd-c.0s12.fm6/70-32sc.

Wn80-2500rf00-0.6F0

wn25(a)-150 rf/rf=20-

LWN20-150 RF SC

SO 40-63 RFf

so 100-600 RF/Cic

SO 500-16 RFF.6/120-2

SO 150B-16 RF b=3

LWN 1 1/2"-300 RF Sch40S00

WN 40-900 RJ Sca1B==698fFRF1S0 RFh40 RF/ 700F Sh800