GB/T 12459  弯头 DN 200-Ⅱ-Sch40S90ES

DN 200-Ⅱ-Sch40S 90ES

4 A25rMRF4000-16

4 A5)-S00(bM)-16R0-11=3b=3021

WN 200-63 FM600)-40RF S=3.55 RJ-RJ-R0Fmp@1

WN 20-150 fm.6FM60R

wn40(B)-63 fm017v8 S=6RF610100-0Sh8

3 FM 600-6.4 δF.6hRFF5 RJ0-0F@0/m..5RF16RF/

法兰wn25(b)-16 rf s=10

so80(a)-40r