法兰 PL 50(B)-2.5 FFRF74fmervletM00L20-4.0L2

pl50(b)-2.5ffRF74fmervletM00L20-4.0L2

nb47023 fm800-1.

PL300-40FF-1

SO 600-150 FFS=4

WN80B-63 RF025rfN706/54-s/

hg20592 wn50(b)-40rf0-0.

WN 2"-150 RF Sch160

47065.2 A2 DN=400 δn=50RF C7 h= S=6= 1500-r

20615 SO125(B)-10RF/63m.htm(B)rf0-10-0.62D