NB/T 47022  法兰 FF 1000-0.25/20δ1=0

2 FF 1000-0.2520δ1=0

WN 50(B)-16 RF S=3

WN150(A)-16 RF S=11

BL125-160 Mb= d=13

SO 3"-150 RF

BL600-16 RF

WN400-600 RF B=419

SO550-25RF10fF Sch40 SC0@t150 RF RF Sch40 s=8ch40 f=1.80 LT@4 Rch

PL300(B)-6 RF

WN65(A)-16 RF n=4xt RF S=14.27s=rfn40-2