GB/T 12459  异径三通 DN 40×40×40-Sch10STRmpampaR1=30/

WN32(A)-100RJ.6=0-46F b=510=u009

DN 40×40×40-Sch10S TRmpampaR1=30/

wn40-600rfsch

WN50B-100 RFh0g3f d=12fF FM Sch-16 rF=4 d=230 k=-100rfs=8.5ch80sRF0

PL600(B)-16T b=12 S1=12fsch45db)-F

WN500-150RFr0592)0SF/6RFF1/3

BII 30000=3=80

WN1600(A)-16RFl092/2