RIIFO MLCP Internal Bending Spring
Technical Specification
- Manufacturer: RIIFO
- Available Sizes: 16mm to 32mm
- Suitable For: Multilayer Pipe
- Maximum Bend Radius: 5x the pipe outer diameter
Description
Inserted directly into the pipe before bending, this spring supports the pipe wall from within, helping it hold its shape as it's formed around a curve rather than collapsing or kinking at the point of the bend. It's a straightforward way to achieve a neat, controlled bend on site without needing preformed elbows at every change of direction, particularly useful on shorter runs or where a gentle sweep is more practical than a sharp angle.
Working from the inside also means there's nothing left clamped around the outside of the pipe once the bend is complete, so the spring can simply be withdrawn afterwards, leaving the pipe surface undisturbed and ready for the next stage of installation. As with any bend formed in multilayer pipe, the radius of the curve, measured from the pipe's central axis, should be no less than five times the pipe's outer diameter, keeping the bend within safe limits for the material.
Available across the 16 to 32mm size range, this spring is sized to match the corresponding pipe diameter, giving installers a tool suited to the most commonly bent sections of a multilayer system.


Key Features & Benefits
- Internal support during bending: Holds the pipe wall in shape from within, reducing the risk of kinking or collapse at the point of the bend.
- Clean removal after use: Simply withdraws from the pipe once the bend is formed, leaving no marks or fittings left in place.
- Reduces reliance on preformed elbows: Allows a smooth directional change to be formed directly in the pipe run, useful for shorter bends or gentle sweeps.
- Matched to pipe diameter: Available across the 16 to 32mm range, with each size suited to its corresponding pipe diameter.
Approvals


Dimensions
| Product Code | Manufacturer Code | Size (mm) | A (mm) | B (mm) | L1 (mm) | L (mm) |

