JIS B2220  法兰 SOP FF 10K 65A B/d66F26MR.105 wn310540rf,

SOP FF 10K 65A B/d66F26MR.105 wn310540rf,

DN50-PN160 WN RF S=6F Sch80 H=33 S=6=1092.5

SO20-300RFFscRF016 RF5 RFะch40S0S=1A)-63 RF S=в��22

bl40-300g6g200-1.0/3pampa

bl600-300 rf k=803.3 d=

WN50(B)- 63 RF

DN20-PN63 WN T 1 S=30 R s

DN 40-3 90EL

W