JIS B2220  法兰 BL FF 5K 100A t=16.3b=311000 δs100 RF

BL FF 5K 100A t=16.3b=311000 δs100 RF

WN80-25RF S=10.5 &ampampampampampampampnbsp

pl125-6 rf b1=34

bl150-150 rf l=3/4&ampamp;ampampamp;quot;

BL 600(B)-40 RF

WN 20"-150 RF Sch40

bl40-16rf d=100

B WN750-150 RF S=10 S=169.3b)-16g

so450