MAGNAPLAST internal sewer elbow PP 160/30 HTB grey (DN160 x DN30)

MAGNAPLAST internal sewer elbow PP 160/30 HTB grey (DN160 x DN30) is a polypropylene (PP) sewer fitting designed to provide a compact 90° change of direction between a large-diameter drain (DN160) and a smaller branch pipe (DN30). The HTB design and grey finish suit building drainage and soil stack systems in residential and commercial installations where a corrosion-resistant, lightweight plastic solution is required.

Advantages

The polypropylene construction ensures chemical resistance and low weight compared with metal alternatives, simplifying handling and installation. The HTB design provides reliable alignment between DN160 and DN30 lines while maintaining smooth internal flow to reduce the risk of blockages. Its grey colour and compact shape allow discreet integration into concealed or visible drainage runs.

Suitable for

• Connecting DN160 main drains to DN30 branch pipes in soil and waste systems
• Residential and commercial building drainage where plastic fittings are preferred
• Areas requiring corrosion-resistant and lightweight components
• New installations and repairs of internal sewer and soil stack networks

When it may not be suitable

This elbow is intended for internal building drainage and soil systems and is not designed for direct burial in ground or for external exposed drainage subject to UV and extreme weather without suitable protection. It is not a pressure pipe fitting for high-pressure fluid transport and should not be used in applications requiring pressurized seals beyond typical gravity drainage.

Key specifications

• Material: polypropylene (PP)
• Design: HTB 90° elbow
• Connection sizes: DN160 to DN30
• Colour: grey
• Application: internal sewer and soil stack systems, gravity drainage

How to use

Install the elbow in the drainage run by aligning the DN160 socket with the main drain and inserting the DN30 branch into the smaller socket per the system’s assembly method. Ensure sealing surfaces are clean and free of debris; use compatible seals or solvent/weld methods if required by the pipe system. Support the connected pipes to prevent undue stress on the fitting and check alignment and fall to maintain proper gravity flow. Follow local plumbing codes and the pipe system manufacturer's installation instructions for jointing and support distances.

What to consider before purchase

• Confirm compatibility with the existing pipe system dimensions and joint type
• Verify that the fitting material (PP) is suitable for the intended waste types and temperatures
• Check whether the installation is internal and protected from UV exposure and outdoor weather
• Ensure the fitting meets local building regulations for soil and waste systems

Usage recommendations

Use the MAGNAPLAST PP elbow as part of a matched drainage system, selecting compatible seals and supports. During installation, maintain correct slope and secure pipe supports to avoid sagging. For repairs or modifications, isolate drains and test flow after assembly to confirm leak-free joints.