Pre-insulated pipe CALPEX DUO 40+25x126: Pex-a pipe 40x5.5+25x3.5mm, d126mm, 10 bar, 95°C, double, thermal insulation with PUR foam, with corrugated LLDPE outer jacket 1007436

Pre-insulated CALPEX DUO pipes – an effective solution for your installation

The CALPEX DUO pre-insulated pipe is a system designed for efficient and durable heating and domestic hot water installations. It is a combination of a conductive pipe with polyurethane (PUR) foam and a corrugated protective jacket made of LLDPE polyethylene, providing minimal heat loss and easy installation. It is ideal for both new buildings and the modernization of existing systems.

The CALPEX DUO pipe, in the 40+25x126 version, consists of two PEX pipes surrounded by a layer of PUR insulation and protected by an external jacket. This construction allows for the simultaneous transport of heating medium in both directions – supply and return – in a single pre-insulated pipe, simplifying installation and reducing costs. The corrugated jacket not only protects against mechanical damage but also makes it easier to route pipes in tight spaces and provides high flexibility.

Construction features and application

The CALPEX system is distinguished by its high quality of workmanship and thoughtful design. The conductive pipe is made of cross-linked polyethylene PEX with an EVOH anti-diffusion barrier, which prevents oxygen from penetrating the installation, protecting it from corrosion. PUR insulation minimizes heat loss, which translates into energy savings. The outer jacket made of LLDPE is resistant to UV radiation and mechanical damage, ensuring long-term protection of the pipe.

CALPEX DUO pipes are used in:

• Central heating installations
• Domestic hot water installations
• Low-temperature networks
• Heat pump connections
• Modernization of existing installations
• Residential and commercial buildings

Advantages and benefits for professionals and end-users

• Time-saving installation: Flexible construction makes it easy to route pipes, even in difficult conditions.
• Minimal heat loss: PUR insulation ensures high energy efficiency of the installation.
• Durability and reliability: High-quality materials guarantee long-term, trouble-free operation.
• Corrosion resistance: The EVOH barrier protects the installation from the effects of oxygen.
• Versatility: Can be used in various types of heating and domestic hot water installations.
• Convenience: Two pipes in one – simplified installation and fewer connections.
• Mechanical resistance: The corrugated outer jacket protects against damage during transport and installation.
• Easy identification: Anthracite color of the jacket makes it easier to distinguish pipes during installation.

The CALPEX DUO 40+25x126 pre-insulated pipe is an investment in the comfort, savings, and reliability of your heating and domestic hot water system.