The PVC 45 degree elbow is a critical pipe fitting used to alter the direction of a pipeline; its primary function is to facilitate a smooth change in the routing of the piping system. Compared to a 90-degree elbow, the 45 degree elbow guides fluid flow more gently, effectively reducing flow resistance, minimizing turbulence and noise, and mitigating erosion of the pipe walls.It is suitable for use in drainage, sewage, and ventilation systems.

PVC 45 degree elbow Information Sheet
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Feature |
Specification |
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Material |
PVC |
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Product name |
PVC 45 degree elbow |
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Size |
20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 140mm, 160mm, 200mm, 250mm, 315 mm |
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Color |
Standard colors: blue,black,white. Custom colors are also available. |
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Sub Type |
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Type |
Fitting |
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Connection Type (End 1) |
Socket |
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Connection Type (End 2) |
Socket |
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Common use |
Pressure applications |
Core Structure and Working Principle
- The core of the PVC 45 degree elbow lies in its precisely engineered 45 degree angled structure:
- Gradual Direction Change: The 45 degree bend angle is designed to facilitate a smooth transition in fluid direction, thereby minimizing energy loss and pressure drop typically associated with abrupt turns.
- Socket Connection: Both ends of the elbow are typically designed as sockets, intended for solvent bonding with PVC pipes of the same nominal size. This method of connection is simple to execute and creates a high-strength, permanent, and leak proof joint.
As fluid flows through the 45 degree elbow, its direction is precisely altered by 45 degrees. This gradual redirection allows the fluid to pass through the elbow more smoothly, preventing violent impacts and the formation of turbulence, thereby ensuring the operational efficiency and stability of the entire piping system.






