GB/T 12459  异径三通 DN 950×950×250-Sch140TR

DN 250×250×950-Sch140 TR

BL6"-150 RF

WN 80(B)-16 RF

WN 3"-150 RF Sch40S

WN15-600 RF S=5

WN 50-300 RF Sch80S

BL10"-150 RF

BL 80-100 MC=38

PL250A-16 RF6RFSshh1

2 T 2000-1.020ฮด1=6 RF fm50-0.ุฒ target=6O70FR4RF600-10 fm-mp sc