ASME B16.5  法兰 SO 3 1/2"-900 RJ0805

SO 3 1/2"-900 RJ0805

WN400(B)- 40RF.26-90/250(B)am

WN100(b)-900 RF/-1.6

BI3200FFF-/ rf d0 K=1340 BB=1ampampampampamp

WN25(B)-40 RF SCH40S

LWN 80-300RF B0R10R

wn65(b)-63 rf s=3.tHG2-8S00-15f c0 a

WN50-300 RF SCH40 H=/лйРЋб=78

PL100(B)-16 RF