GB/T 12459  异径三通 DN 50×50×40-Ⅱ-Sch80TR

DN 50*50*40II-Sch80 TR

PL20(B)-10FF D=100 BB=27.7 L=-16 RF6/t2t

2 FM 900-1.6 δ1=1

PL100B-10 RF Φ114RFMRFb)f2B�F@A50-Sch40S TR1

PL20(B)-16 RFpquotHG20615 WN3

wn200(a)-10rf50RFS=150 r

WN20(B)-40 m S=26 RF

BL700-2.5RF D=8

BL700(B)- 6RF.M-6

PL20-10GR