Raccords Multicouche Plomberie PEX Press Fittings

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Construction and Materials

Manufacturers produce press fittings using brass or high-performance polymers.
Each fitting contains an internal O-ring made of EPDM or similar durable rubber.
The press sleeve deforms under pressure to hold the pipe tightly.
You should inspect every fitting for size, marking, and structural integrity before use.

Installation Tools and Technique

Installers must use approved press tools that match the fitting system's specifications.
Insert the pipe into the fitting until it reaches the visible stop.
Align the press jaws over the sleeve and complete the press cycle in one motion.
Do not twist or reposition the fitting after pressing.
Check the joint for a complete press and visual markers to confirm accuracy.

Common Sizes and Application Areas

PEX press fittings are available in sizes from 16mm to 32mm and larger.
You can use them in residential, commercial, and industrial plumbing systems.
Installers prefer press systems for concealed locations and high-efficiency installations.
Use only matching brands of tools and fittings to ensure proper sealing.
Systems must pass pressure testing before covering with walls or insulation.

Precautions for Reliability

Never reuse a pressed fitting or attempt to repress it.
Keep fittings clean, dry, and free from oils or dust before installation.
Check O-rings before inserting the pipe and avoid damaging them.
Do not use tools or parts not recommended by the fitting manufacturer.
Always store press fittings in sealed containers to maintain cleanliness.

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