GB/T 12459  异径三通 DN 300×300×200-Sch60TR

DN 200×200×300-Sch60 TR

47022-FM1300-1.0n100-150 rf sch40F

WN 300-150 RF Sch 20/rf sch100F-0(b(B)-

WN 450-150 RFR11rf S=2/m0(B)-105

2 C4 DN=1600 δn=6s-0.25mlF ScÂ30

LWN 125-600 RF/-10�¬16 R

BL 80(B)-25 RF S=5.5F(Bu00c

3 FM 800-6.44400f11=F/ RF