GB/T 12459  异径三通 DN 125×125×90-Sch100TR

DN 90×90×125-Sch100 TR

BL250-150 RFsch40RF=10 2

2 B5-1Sch40n=17-3R-10P25R0-300 RF B

BL40-900RfL14RF B=45

BL 40-300 FF

lwn 50-150 rf h=198)jSch

PL 450(B)-10 RFb-20f50RF4)-40fm-sch3000(4sR5/u00a46

47023 rf1200-1.0 δ0=10f b==65-20δ0=.0/5�

BL80-10R