GB/T 12459  异径三通 DN 1150×1150×800-Sch100TR

DN 800×800×1150-Sch100 TR

pl200(b)-16RF S=4 S=3.32009050rf-125-25.SFF2FFFR

so40(b)-16rf'9 s2.12.3Frf0/7sch.

B WN 1350-300 RF S

Th(NPT)65-16 RF05020

bl20-300m/1)-40rf540rf500100/CH80S

PL500(B)-2.5 RF143.8rf SCH4090-600=

DN15/PN16/02&000-4.

WN50-300