法兰 WN 20-16 RF H=35 S=1Sch100/BB=9b=52 h=2s=4FF/1.

wn20-16rf H=35 S=1Sch100/BB=9b=52 h=2s=4FF/1.

wn250-10rf20592ch40wn80-150rf245FFc416RF

BII1100/

SO80(a)-600RF/16 RF0(B)-16Fm860/

wn80(a)-100 rf s=6/

WN80-300 RF C=36.5 H=(b)

LWN25-150 RF Sch40scFF g SC

SO 450(B)-16 RF

3 FF 600-6.4 D T=168.3 B=S=4.155