Bend radius is the minimum radius a pipe, tube, or hose can bend without damaging it (including kinking). The smaller the radius, the greater is the flexibility of the material. The minimum bend radius is the radius below which an object should not be bent.

1, Minimum Bending Radius of PVC Spiral Suction Hose Testing like below: 

Bending Radius of Hose

Bending Radius of Hose

2, Minimum Bending Radius of Hydraulic Rubber Hose Testing like below: 

Tube Bend Radius

Tube Bend Radius

Always. Sunhose PVC Steel Wire Suction Hose, PVC Spiral Suction Hose, Rubber Suction Hose, Hydraulic Rubber Hose can be tested the Minimum Bending Radius.