There are many common elbow models, and the following are some common elbow models:
1. LR: Long Radius elbow. The bending radius of such elbows is usually greater than 1.5 times the diameter of the pipe.
2. SR: Short Radius elbow. The bending radius of such elbows is usually equal to 1.5 times the diameter of the pipe.
3. 90D: 90 degree elbow. The bend Angle is 90 degrees and is used to change the flow of the pipe.
4. 45D: 45 degree elbow. The bend Angle is 45 degrees and is used to change the flow of the pipe.
5. 180D: 180 degree elbow. This elbow has a bend Angle of 180 degrees and is used to completely reverse the pipe.
6. 3R: 3 times bend radius elbow. The bending radius of such elbows is usually greater than 3 times the diameter of the pipe.
7. 5R: 5 times bend radius elbow. The bending radius of such elbows is usually greater than 5 times the diameter of the pipe.
8. 10D: 10 times bend radius elbow. The bending radius of such elbows is usually greater than 10 times the diameter of the pipe.
9. Mitered: Diagonally cut elbows. The pipe cut of this elbow is diagonal and is usually used to connect two pipes.
10. Saddle: Saddle. This elbow is shaped like a saddle and is usually used to connect parallel pipes between two pipes.
11. Reducing: Reducing elbows. The caliber of this elbow is different at both ends and is used to connect pipes of different diameters.
12. Expansion: Expansion elbow. The elbow has a larger diameter at one end than the other and is used to reduce the speed and pressure of the fluid.
13. Concentric: Concentric bend. The two ends of this bend are of equal caliber and of the same shape.
14. Eccentric: eccentric elbow. The two ends of this kind of elbow have different diameters and different shapes.
15. Segmental: segmental elbow. This elbow is composed of several small sections, and the bending Angle can be adjusted as needed.
16. Elbow: Bend the pipe. This is a generic term for any bent pipe component.
17. U-bend: U-shaped bend. This elbow is shaped like a U-shape and is commonly used in water heating systems.
The above is just an expansion of some common elbow models, in fact, there are many other models of elbow, each model has a different design and purpose. These elbows can be selected according to the needs of the pipe system to ensure smooth flow and connection of the pipe.
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