HDPE Fittings

HDPE fittings are manufactured from high-density polyethylene using injection molding or hot-melt extrusion processes and are designed for use with HDPE piping systems; the product range includes socket-fusion, butt-fusion, and electrofusion fittings. Made from the same material as the associated HDPE pipes, they fuse into a single, integrated unit upon hot-melt connection, ensuring excellent overall sealing performance. These fittings are widely used in piping systems for water supply and drainage, dredging, municipal sewage, power utilities, and irrigation. Production complies with both Chinese national standards and international export standards, and test reports as well as samples are available upon request.

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Product Overview

Core Product Advantages

Material Compatibility & Integrated Connection: Made from the same raw material as HDPE piping; after heat fusion or electrofusion welding, the joint strength exceeds that of the pipe body itself, ensuring resistance to cracking and eliminating leakage.
Corrosion & Aging Resistance: Resistant to corrosion from acids, alkalis, sewage, soil, and seawater; rust-proof. Formulated with UV-resistant carbon black for long-term stability in outdoor buried applications, offering a service life of up to 50 years.
Smooth Inner Wall & Low Flow Resistance: The smooth interior minimizes scaling and sediment buildup, reduces pressure loss during fluid transport, and enhances overall pipeline efficiency.
High Toughness & Resistance to Settlement and Impact: Excellent flexibility allows the system to accommodate uneven ground settlement and resist vibrations; the material remains durable and resists brittle fracture in low-temperature environments.
Lightweight & Easy Installation: Significantly lighter than cast iron or steel fittings, making handling and installation less labor-intensive; electrofusion fittings are ideal for trenchless emergency repair projects.
Reliable Sealing & Eco-friendly/Non-toxic: No heavy metal leaching; potable water fittings meet hygiene standards for drinking water; superior joint sealing prevents leakage and contamination.

Product Specifications & Parameters

Pipe Fitting Types

Butt-fusion fittings: Butt-fusion elbows, tees, reducers, flange adapters, and end caps (for large-diameter main pipes, DN110 and above)
Socket-fusion fittings: Socket-fusion elbows, tees, couplings, reducers, and flange adapters (primarily for small-diameter water supply pipes)
Electro-fusion fittings: Electro-fusion couplings, elbows, tees, flange adapters, and saddle tees (preferred choice for emergency repairs)