HDPE Large Radius Sweep Bend/Seamless Bend Application

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Update time : 2023-05-06 10:00:55



HDPE Large Radius Sweep Bend/Seamless Bend Application


High-density polyethylene (HDPE) is a versatile thermoplastic material known for its resistance to corrosion, chemicals, and abrasion as well as its flexibility, high impact strength, and environmental stress crack resistance. One common application of HDPE is in large radius sweep bends, which are used in various industries such as water, sewer, gas, and telecommunications.

 

HDPE Large Radius Sweep Bend Applications

 

Water and Sewer Systems: HDPE sweep bends are widely used in potable water distribution systems, wastewater lines, and stormwater drainage systems. Their large-radius design minimizes pipe friction and pressure losses, allowing for efficient fluid transportation.

 

Gas Distribution: The flexibility and resistance to environmental stress cracking make HDPE sweep bends suitable for natural gas distribution systems. The large radius design allows for long-term performance and minimizes the risk of leaks or damage due to ground movement.

 

Telecommunications: HDPE sweep bends can be used in the installation of telecommunication ducts, including fiber optic cables. The large radius design allows for gentle bending of cables, reducing potential damage to the cable fibers and ensuring signal integrity.

Irrigation: In agricultural and land management settings, HDPE sweep bends are used for transporting water in irrigation systems. The large radius bends help maintain flow rates and minimize pressure losses, ensuring efficient water distribution.

Geothermal: HDPE sweep bends are also used in geothermal applications, where they are part of the piping system for transporting geothermal fluids. The flexibility and high-temperature tolerance of HDPE make it suitable for such applications.

The bending radius of an HDPE pipe is limited by its size and wall thickness, so the degree of curvature that can be achieved in a sweep bend is dependent on the pipe's dimensions and the specific requirements of the application. 


Mining: HDPE sweep bends are used in mining environments for transporting slurry and other abrasive materials. The large radius design coupled with the material's abrasion resistance ensures long-lasting performance and minimal maintenance requirements.


Landfill Gas Collection: HDPE sweep bends are commonly used in landfill gas collection systems, where they help transport methane gas from the landfill to processing facilities. The large radius design allows for smooth gas flow and minimizes pressure losses, ensuring efficient gas collection.

However traditional HDPE sweep bend/seamless bend are bended  from HDPE pipe. 
HDPE pipe is reheated to a specific temperature that allows it to be bent without breaking. The pipe is then bent around a mandrel or form to create the desired curvature of the sweep bend.

Smart Joint Sweep Bend
Compare to pipe bended ones, Smart Joint Sweep Bend by extrusion are with followed difference: 
1: No bounce back, the shape is fixed.  Angle can be cut per requirement. 

2: The wall thickness at any point is universe, 100% no pressure derating. The pipe bended ones, there might be problem on the wall thickness.  

3: Smart Joint Sweep Bend SDR9, SDR7 sweep bend are easy to achieve, but by pipe bending ,it's hard to make it when wall thickness is thick. 

4: Smart Joint Sweep Bend are with better appearance, smooth inner side. 

5: Smart Joint  Sweep Bend can be bigger size, now size up to 1600mm. 

6: Ther radius we have now is from 90mm to 355 in 3D, for size 400mm to 1600mm 2D, less cost with smaller radius. 




 

In conclusion, HDPE large radius sweep bends are employed in a wide range of applications due to their flexibility, durability, and resistance to environmental factors. Their large-radius design aids in efficient fluid or gas transportation while minimizing potential damage to the pipe or the transported material.Smart Joint Sweep Bend break the size limitation, wall thickness limitation, offer the PE piping lines especially for large bore HDPE piping system a fully pressure rating bend solution. 



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