What is the maximum bending angle of a PPR pipe?

PPR pipes are random copolymer polypropylene pipes. Made from polypropylene, they possess excellent heat resistance, pressure resistance, corrosion resistance, impact resistance, a smooth inner wall that prevents scaling, energy and material savings, and are environmentally friendly and non-toxic. They are widely used in industrial and residential building drinking water and hot and cold water systems.

What is the maximum bending angle of a PPR pipe?

Excessive bending of PPR pipes is not recommended. The maximum bending angle should be controlled at around 20 degrees. During installation, avoid bending PPR pipes as much as possible. For places where bending is necessary, such as wall corners, it is recommended to use elbow fittings for connection. Excessive bending of PPR water pipes can lead to the following problems.

The most direct consequence of excessively bending PPR water pipes is damage. Bending the pipe under external force will strain the outer side, while the inner side of the pipe at the bend will be subjected to concentrated compression. The thinned outer wall thickness makes the pipe more prone to breakage during use.

The basic performance of damaged PPR pipes will significantly decrease. If damaged pipes are used for a long time, they are likely to leak. Repairing leaks is much more troublesome, so plumbers usually avoid bending PPR pipes during installation.

Excessive bending of PPR pipes also affects the installation quality, especially for heat fusion connections. Excessive bending reduces the precision and strength of the connection, and poor installation can significantly impact the overall stability of the piping system later on.

In conclusion, the maximum bending angle for PPR pipes should be within 20 degrees. However, bending should be avoided whenever possible, as it will affect the normal use of the water pipes.