NB/T 47022  法兰 FF 800-1.0/20δ1=12119-147C

2 FF 800-1.020δ1=12119-147C

LWN 14"-150 FF Sch40S

BL300(A)-10RF70 h=165

BI 800

SO 450(B)-10 RF B=482 b=3

b wn950-150 rf0 f140=133FM 500

wn300-600rj80SniFM60FF)-6

PL100(B)-16 RF D=210 b=4

WN 400(A)-16 RF S=1030 C=12FR

SO40-150 RF3 bF AAM60=1