High-Quality HDPE Pipe Flange Adaptor for Water Suppply System

HDPE Flange Adaptor 

HDPE Flange Adaptor (Long Neck) is a long-neck flange adapter for HDPE pipes. Made of high-density polyethylene (HDPE), it offers excellent chemical corrosion resistance, UV resistance and anti-aging performance. Its long-neck structure effectively disperses pipeline stress, adapting to complex installation environments—ideal for flexible-connection scenarios like municipal engineering, chemical transportation and sewage treatment.
With flange connection, it has a working pressure of up to 16 Bar and a temperature resistance range of 0°C-50°C. Installation only requires bolt fastening, enabling quick connection between pipes and equipment while significantly cutting maintenance costs. It suits harsh conditions with long-term outdoor exposure or contact with corrosive media.

Product Introduction

The HDPE Flange Adaptor (Long Neck) is a specialized fitting designed to connect HDPE pipes with flanged valves, pumps, or other flanged pipeline components. Its extended neck design provides extra strength and stability, reducing stress concentration at the joint and ensuring a secure and durable connection.

Product Advantages

This adaptor is made of premium HDPE with reinforced steel backing rings for strong support. It offers excellent resistance to high pressure, impact, corrosion, and chemicals. The long neck structure enhances alignment accuracy, improves sealing, and extends service life. Lightweight and rust-free, it simplifies installation and maintenance while reducing costs.

Product Applications

The HDPE Long Neck Flange Adaptor is widely used in water supply, drainage, sewage treatment, irrigation, mining, and industrial pipeline projects. It is especially suitable for high-pressure systems and applications where enhanced stability and reliability are required.

Operation Guide

1.Cut the HDPE pipe end neatly and clean it.

2.Slide the steel backing ring and gasket onto the pipe.

3.Insert the pipe into the flange adaptor (long neck) and align with the mating flange.

4.Tighten bolts evenly in a cross pattern to ensure uniform sealing.

5.Conduct a pressure and leakage test before operation.