This reinforcing ring is used as an accessory for a compression or a cutting ring fitting. It is made out of brass. Suitable for copper pipes, plastic tubes, and plastic multi-layer pipes. It is designed for a 15×13 mm (outer x inner) pipe/hose diameter. The reinforcing ring has a lip on the end allowing you to insert it into the tubing/pipe, up to the lip.
Pros:
- It is suitable for copper pipes, plastic tubes, and plastic multi-layer pipes
- The reinforcing ring has a lip on the end to allow you to insert it into the tubing/pipe up to the lip
Cons:
- If disassembled, this component needs to be replaced
RLL series
The RLL series includes reinforcing rings, which are used for compression and cutting ring fittings. If they are used and disassembled, they need to be replaced. They are made out of brass or stainless steel, designed for usage with pipes and hoses with an inner diameter from 4 to 42 mm. They are designed with a safety collar or a knurl.
Specifications
Inner pipe diameter (mm) : 13
Outer pipe diameter (mm) : 15
Material : Brass
With sealing : No
With safety collar : Yes
With knurl : No
Suitable for aluminum tube : No
Suitable for copper tube : Yes
Suitable for plastic multi-layer pipes : Yes
Suitable for plastic tube : Yes
Suitable for stainless steel tube : No
Suitable for steel tube : No
![15x13mm Brass Reinforcing ring [10 Pieces]](https://www.coolgrittools.com/wp-content/uploads/2026/06/f2g8k_.9e42857d_0a307f82-e41e-47a2-9a31-b56cde9651d8.webp)




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