HG/T 20592  法兰盖 BL 1000(B)-10 RF C=12 B=22800)-1

wbl1000(b)-10 rf C=12 B=22800)-1

WN 40-600 RF S=5.08B=90 KA WN RF1416 RF d=F/fb)-40tHS

wn25-600rfcl155cS

WN20(B)-16 RF D=108 C=14.2 H=55.6�ÂÂ

pl65(b)-16 rf b= n=4

PL100(A)-2.5 RF/0

so150-16 rf s/p;b)-40rf0 ãžR-0.6-40 Rc

SW20B-25RF

A BL100-15