GB/T 9124.1  法兰 DN700-PN25 PL RF Ⅰ 0BL200N21=R

DN700-PN25 PL RF0BL200N21=R

wn80(a)-63 m/1MRF Sch160

wn80-300 rf s=10mmF0-300RF

so25(a)-150 rf/trackback=F B5=5b)-1M S

wn80)-900 rf)/Ⅱg=t2

wn800a-16rf00-4.03=8Fs=4.51100-4.0R

1 FF 300-1.6660 RFFquot6RFp RF I S=4 RF�

LWN15-600 RF Sch406T S=pampa