HEPWORTH pipe for underfloor heating, 16 mm

Product detailed description

Underfloor heating systems are commonly installed in residential and commercial buildings to provide even and efficient heat distribution. Installers working on such systems often deal with the integration of piping into floor slabs, under tiles or wooden flooring, and require materials that are flexible, durable and compatible with various heating sources. The HEPWORTH UHP200/16 pipe is specifically designed for these applications, offering a reliable solution for radiant floor heating. Its polybutylene construction allows for easy handling and bending, making it suitable for complex layouts and tight spaces. The pipe is supplied in 200-meter rolls, enabling continuous installation without frequent joints, which reduces the risk of leaks and system failures.

When working with underfloor heating, the installer must ensure that the pipe is correctly sized and spaced according to the room's thermal requirements and floor covering. The HEPWORTH system is designed to be adaptable, allowing for adjustments during the installation phase. This is particularly useful in projects where the final layout is not yet confirmed. The system’s fully disassembled nature allows for reconfiguration without the need for cutting or replacing pipe sections. This flexibility is a significant advantage in both new builds and retrofit projects where design changes are common.

Technical parameters

Nominal pressure	PN 3
Weight	0.1 kg
Code	UHP200/16
Brand	HEPWORTH corporation UK

The PN3 pressure rating indicates that the pipe is suitable for systems operating at a nominal pressure of 3 bar. This is a standard requirement for underfloor heating applications, where the system pressure is typically low. The maximum operating temperature of 70°C is appropriate for heating systems that do not require high-temperature water, such as radiant floor heating. The 16 mm diameter is commonly used in underfloor heating systems, providing a balance between heat output and water flow. These parameters are essential for ensuring correct system sizing and compatibility with other components such as manifolds and heat sources.

Installation and connection

Installation of the HEPWORTH UHP200/16 pipe involves unrolling the pipe and securing it in the desired pattern using clips or fasteners. The pipe should be laid in a consistent pattern, typically in a serpentine or spiral layout, to ensure even heat distribution. The minimum bend radius must be maintained to prevent kinking and flow restriction. Connections are made using sortable couplings of straight design, which allow for tool-free assembly. The inner jaws of the coupling grip the pipe securely, preventing it from sliding out during operation. When disassembling, a special tool is used to unlock the coupling, allowing the pipe to be removed without damaging the coupling itself. Common installation mistakes include over-bending the pipe, using incorrect fittings, or failing to secure the pipe properly, which can lead to sagging or misalignment.

Compatibility and accessories

The HEPWORTH UHP200/16 pipe is compatible with a range of fittings and accessories, including T-pieces, elbows and straight couplings, all of which are made from polybutylene. This ensures a uniform system with no material incompatibility issues. The system is also compatible with copper pipe, allowing for hybrid installations where different pipe types are used in different sections of the system. For underfloor heating, it is recommended to use the HEPWORTH system with manifolds, valves and heat emitters designed for low-temperature systems. Related products such as Potrubie PEX-AL-PEX 20 x 2 can also be used in similar applications, depending on the system design and requirements.

Technical background for designers

The HEPWORTH UHP200/16 pipe is made from polybutylene, a thermoplastic material known for its flexibility, chemical resistance and long-term durability. The material is also hygienic and does not support bacterial growth, making it suitable for potable water and heating applications. The pipe features an EVOH oxygen barrier layer, which prevents oxygen from entering the system and causing corrosion in metal components such as boilers and radiators. This barrier is essential for maintaining the integrity of the heating system over time. The system is designed to be fully disassembled, allowing for reconfiguration without the need for cutting or welding. This is particularly useful in projects where the final layout is not yet confirmed or where changes are required during installation. The tool-free coupling system simplifies installation and reduces the need for specialized tools, making it accessible to both professional installers and DIY users.

Service and operation

During operation, the HEPWORTH UHP200/16 system requires minimal maintenance. The polybutylene material is resistant to scaling and corrosion, ensuring long-term performance without the need for descaling or replacement. The system should be checked periodically for leaks, particularly at the coupling points, and any damaged components should be replaced immediately. The fully disassembled nature of the system allows for easy inspection and repair, as individual sections can be removed and reinstalled without affecting the rest of the system. No specific service intervals are required, but regular visual inspections are recommended to ensure the system remains in good working condition.

Frequently asked questions

Can HEPWORTH UHP200/16 be used for drinking water as well as heating?
Yes, the pipe is suitable for both drinking water and heating applications. The polybutylene material is hygienic and does not support bacterial growth, making it appropriate for potable water systems.

Is the coupling system reusable after disassembly?
Yes, the sortable couplings can be disassembled and reassembled multiple times without losing their sealing properties. This allows for system reconfiguration without the need for new fittings.

Can the pipe be cut to length during installation?
No, the pipe is supplied in 200-meter rolls and cannot be cut to shorter lengths. The minimum purchase is 200 meters, so it is important to plan the layout carefully before installation.

What is the maximum operating temperature for this pipe?
The maximum operating temperature is 70°C, which is suitable for underfloor heating systems. The pipe is not recommended for high-temperature applications such as steam or industrial heating.