NB/T 47021  法兰 RF 1000-1 δs=6

1 RF 1000-10 δs=6

WN 250-2500 M

SO 250(B)-25 RFom55rRF SCH80SchmpSc4Rc

SO 250(B)-10 FM

WN65(B)-25FM

WN 200-2500 M

WN10-16RJfm

WN 150-2500 M

SO 32(B)-10 FM

BI 700-S/F Ⅱ Sch40h0RF00M200000O s/6�60205926F_06O7f16/21000-5F0 F0 RFM SCH300 LT Sc.35L5B