HG/T 20592  法兰盖 BL 200-16 RF M S=6=1115іР°С�R1= h= A1= S= S1= f1=3RF Ⅱuot

BL 200-16 RF M S=6=1115іР°С�R1= h= A1= S= S1= f1=3RF Ⅱuot

wn100(b)-63fm S=6

BL32-16 RF

WN40a-63RFS=10

WN 125(B)-10 RF S=8

SO 2"-150 RF

PL125(B-25RF pl4-�§ï=3 S=22)-10RF=60/70

WN 250(A)-16 RF S=4 f1=5 B=2545F d==58624

BL 500(B)-6