Restrained flange adaptor

PE flange connector, also known as PE flange joint, consists of PE flange adapter, PE stub end and steel backing flange. It is suitable for PE piping systems. Made of high-quality polyethylene by injection molding, it features acid and alkali resistance and anti-corrosion property, with smooth inner wall to reduce fluid resistance. The pipes are connected by tightening flange bolts for easy assembly, disassembly and later maintenance. It provides stable and reliable connection under pipeline pressure, widely used for connecting PE water supply pipes in municipal water supply, landscape irrigation, sewage treatment and chemical fluid transmission projects.
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Made of HDPE material, PE flange connector features outstanding corrosion resistance, high welding‑joint strength and convenient

maintenance. The fitting can be butt‑fusion or electro‑fusion welded with HDPE pipe for high‑strength integrated connection. It never rustswhen buried underground and resists acid, alkali and saline soil erosion. Its smooth inner wall prevents scaling and reduces fluid

resistance to cut pump energy consumption.

Bolt‑on flange design allows easy disassembly for inspection and valve replacement without pipe‑cutting, lowering maintenance cost. The matched rubber gasket ensures stable pressure‑bearing and leak‑proof performance. Suitable for above‑ground and buried HDPE water

supply pipelines, it is widely used in municipal water supply, residential water system, landscape irrigation and sewage treatment projects.


Features of PE Flange Connector

  1. Great Corrosion Resistance

    Injection molded from virgin HDPE material. Resistant to acid, alkali and saline soil. It will not rust like metal fittings and can serve for a
    long time even buried underground.


  2. Low Fluid Resistance & Anti-scaling

    Smooth inner wall prevents scaling and dirt accumulation, reduces pressure loss and saves pump energy consumption.


  3. High Welded Joint Strength

    The PE stub end can be butt-fusion or electro-fusion welded to HDPE pipe. The integrated weld joint has strength close to the pipeitself, avoiding cracking.


  4. Easy Disassembly & Maintenance

    Equipped with steel backing flange and rubber gasket, sealed by bolts. Pipes can be separated by loosening bolts without cutting pipes forinspection or valve replacement.


  5. Stable & Leak-proof Sealing

    Matched rubber gasket provides reliable sealing under proper bolt tightening, stable pressure resistance and anti-leak performance.


  6. Wide Application

    Suitable for above-ground and buried HDPE water supply pipes, widely used in municipal water supply, residential
    water system, landscape irrigation, sewage treatment and weak-corrosive chemical fluid transmission.

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