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Products

Pipes and Fittings

Multilayer System

Pipes and Fittings

Complete multilayer system solutions for installing fuel gas networks: pipes, fittings and tools. For more information, see the code list and the product brochure.

Pipes and Fittings

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Pipes and Fittings

Products in this line

01

Pipes

The pipes are supplied in coils, making transport and storage easier and, thanks to their flexibility, reducing the number of fittings needed for joints and bends. Clesse offers PE/AL/PE multilayer pipes certified in accordance with ISO 17484-1, the main international reference on the subject.

For fuel gas applications, the maximum operating pressure of the product according to ISO 17484-1 is 5 bar, and the application temperature ranges from -20 °C to 60 °C.

In addition, Clesse multilayer pipes meet the performance requirements of the Brazilian standard for multilayer systems, ABNT NBR 16821, which specifies an ultraviolet radiation resistance level of around 32.3 GJ/m².

The product can be used to convey other fluids upon technical consultation. The joint between pipe and fitting is made by radial compression (crimping) using a press tool that ensures the tightness of the assembly without welding or threading.

02

Fittings

Clesse fittings have a TH crimping profile, are made of CW617 brass alloy in compliance with ABNT NBR 16544 and have sealing rings made of nitrile rubber in compliance with EN 549.

The compression sleeves of the fittings are made of stainless steel and have an inspection window to check pipe assembly.

To help the installer during the leak-tightness test, the fittings are equipped with LBP (Leak Before Press) technology, a system that makes it possible to identify leaks in a fitting that has not been properly crimped.

03

Tools

Clesse offers a complete tool kit for installing the multilayer system, including manual and automatic press tools, pipe cutters, calibrator, bender, external bending springs and pipe straightener.

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