GB/T 12459  弯头 DN 350-Ⅱ-8.890EL

DN 350-Ⅱ-8.8 90EL

WN25-300RF Sch80S

WN 250(B)-16 RF

WN25-600FMSch80

WN250(B)-25FMS=5

WN300(B)-16 RF n=16 L=27 d=376 f1=6 f3=6 Y=366 K=415 C=46 S=10 H1= R= H=105

BL300-40FF40Mp0RJRF0Rf

WN400-1500 G

WN50-16RF,Sch40

bâ… 500-s /@wn100-15