| Nominal caliber DNin |
Actual
bore (in) |
Gate
valve (fully open) |
45°
elbow |
Long
bend or straight three-way |
Standard elbow or semi-flexible straight three-way |
Standard turnaround three-way |
Back
curve elbow |
Check
valve (cycloid type) (fully open) |
Right
angle valve (fully open) |
Stop
valve (fully open) |
短曲形
Short
curve type R/DN= 1 |
長曲形 Long curve
type R/DN= 1.5 |
短曲形
Short
curve type R/DN= 1 |
長曲形
Long curve type R/DN= 1.5 |