JIS B2220  法兰 BL FF 10K 50A 18S=404

BL FF 10K 50A18S=404

DN50/PN25/12B0060RF rf WN800(ch10S A=711 B=69380s2rf10

pl250(b)-10 rf �2516/48/6cB) S065300-4.0F G 450

bi 3900/24F3)-4

pl50-10gS=1mpfFFRF S=/045560/0

wn150-300rfؤگ10rf5/40-

WN 300(B)-16 RF S=8

47023t700-4 b10A-1/

PL65(B)-1