DHPE Composite Pipes Fittings

Home / Products / UST Environmental Protection Products / DHPE Composite Pipes Fittings / Advanced PE Composite and Electrofusion Pipe Fittings for Gas Station Underground Systems

Advanced PE Composite and Electrofusion Pipe Fittings for Gas Station Underground Systems

Advanced PE Composite and Electrofusion Pipe Fittings for Gas Station Underground Systems

The Gas Station Buried PE Composite and Electrofusion Pipe Fittings Series offers a complete solution for modern fuel station underground pipeline construction. Designed to connect polyethylene (PE) pipelines securely and reliably, these fittings are essential for maintaining system integrity and preventing leaks. Whether for single-wall or double-wall composite pipes, this series ensures efficient and safe installation of fuel lines, protecting both the environment and critical infrastructure.

Constructed from high-quality polyethylene, these fittings exhibit excellent toughness, impact resistance, and chemical stability. They provide good thermal insulation and minimal flow resistance, ensuring smooth operation of fuel delivery systems. The fittings also demonstrate high flexibility, scratch resistance, and long-term durability, making them suitable for diverse climate conditions and underground installations.

Electrofusion fittings in this series utilize an automated welding process, creating a seamless connection that is strong, leak-free, and highly reliable. The welding process guarantees the integrity of the interface between pipe and fitting, ensuring a high degree of integration while eliminating hidden risks. Even in challenging environments, the fittings maintain excellent performance, supporting safe fuel transport and extending the service life of the pipeline network.

This series includes a wide range of components, such as terminal connectors, detection connectors, capacitor connectors, straight-through connectors, and various elbow fittings. Each fitting type is engineered for specific pipeline applications, enabling precise configuration and smooth integration in complex underground layouts.

Internationally, these pipe fittings are known by different names depending on the region: in Russia, they are called “Полиэтиленовые фитинги для заправочных станций”; in Ukraine, “ПЕ фітинги для підземних трубопроводів АЗС”; in Poland, “Złączki PE do podziemnych systemów paliwowych”; and in Singapore, “PE Composite and Electrofusion Pipe Fittings for Fuel Stations”. These designations highlight the widespread recognition and usage of this series in global fuel station projects.

Proper installation is crucial for optimal performance. During cold or windy conditions, special care must be taken, and specific heating equipment should be used for electrofusion welding. Pipes and fittings must be of the same brand and performance class, with quality verification before assembly. By following recommended procedures, these fittings deliver high efficiency, low installation costs, and long-lasting reliability, making them a cost-effective solution for underground pipeline systems.

Whether constructing new fuel stations or upgrading existing pipelines, the Gas Station Buried PE Composite and Electrofusion Pipe Fittings Series provides a versatile, safe, and environmentally responsible solution. Its combination of durability, ease of installation, and reliable sealing makes it an indispensable choice for modern underground fuel distribution systems.

  • Specification
  • Contact Us

75,63 Terminal Connector

75,63 Terminal Detection Connector

90 Degree Double Layer 75,63 Capacitor Connector

Characteristics and construction precautions of PE pipe fittings

 Feature performance description:

  1. High elongation at break, good extensibility, and excellent scratch resistance.
  2.  2 Non-toxic, good toughness and high impact strength.
  3. Good insulation performance, excellent wear resistance and chemical corrosion resistance.
  4. Good thermal insulation and small medium flow resistance.
  5. Convenient and economical to lay, safe and reliable to use

Things to note when constructing PE pipe fittings:

PE pipe fittings are an indispensable part of PE pipeline construction, and the connection between pipelines and PE pipe fittings is particularly important.

  1. When connecting in cold climates (below -5 degrees) and windy environments, maintenance measures should be taken or the connection process should be adjusted.
  2. Corresponding special heating machines should be used according to different interface methods, and open flames are not allowed to be used to heat pipes and PE pipe fittings!
  3. Pipes connected by fusion should use pipes and fittings of the same brand and matching performance.  Pipes and fittings with similar performance must be tested and qualified before construction can be stopped.
  4. Before connecting PE pipes and pipe fittings, PE pipes, PE pipe fittings and facilities and equipment should be inspected according to design requirements, and inspected before the construction site. As long as the pipes and fittings meet the requirements, construction and use will begin. The main inspection items include product pressure level, surface quality, matching product quality, etc.

 Advantages of Electrofusion pipe fittings:

  1. The electrofusion process is fully automated, simple and safe to operate.
  2. Good hygienic performance.
  3. The high strength of electrofusion welding essentially guarantees the identity of the interface material and structure of the PE pipeline system and the pipe itself, achieving a high degree of integration of pipe fittings and pipes, ensuring no leakage at the interface, reliable connection without hidden dangers, and very durable,grind.
  4. Good corrosion resistance and long service life
  5. Small friction coefficient and low resistance
  6. Good flexibility and scratch resistance
  7. Good resistance to crack expansion
  8.  8.Good welding ability
  9. Low installation cost, high efficiency and stable quality
  10. The installation process is not restricted by environment and space.

Electrofusion composite pipe fittings connection instructions:

The polyethylene pipes and welded pipe fittings in the composite pipe system of the gas station are connected by electrofusion welding.  Because this method is less affected by climate.  This method is suitable for on-site installation at gas stations.  Nonetheless, the welding site should be kept dry and clean during the welding process.  When welding, the ambient temperature should be between -15ºC and +45ºC (+5ºF and +113ºF). At lower temperatures, it can only be done under conditions where the temperature is stable and protective measures are added.  The principle of electrofusion welding is to heat the resistance wire under the inner surface of the welded pipe to a certain temperature (about 200ºC), and melt the PE (polyethylene) material inside the pipe and outside the pipe. Since polyethylene conducts heat slowly, only the material near the resistance wire is melted.  melt.  Under the action of temperature and pressure, the polyethylene in the melted area expands, and the surrounding low-temperature polyethylene material prevents the melted area from continuing to expand. In this way, the pipes are welded together evenly and firmly.  When using a welding machine, the required power, heat and welding time are automatically calculated.  Other welding machines cannot be used.

About Haibo
Zhejiang Haibo Petroleum Equipment Co., Ltd.

Zhejiang Haibo Petroleum Equipment Co., Ltd., established in 2017, is a certified enterprise located in Yongjia County, Wenzhou City, Zhejiang Province—recognized globally as the world’s largest manufacturing base for petroleum equipment and the well-known hometown of pumps and valves in China.
Our products are widely used in Fluid Control Systems, Energy Systems, Measurement Systems, Piping Systems, and Hydraulic Systems, serving petroleum companies, military units, oil depots, tank truck manufacturers, and petrol stations worldwide. Province—recognized globally as the world’s largest manufacturing base for petroleum equipment and the well-known hometown of pumps and valves in China.
At Haibo, we are backed by a team of senior industry experts with more than 20 years of professional experience in the petroleum equipment and fluid control sectors. Their deep technical knowledge and industry insight ensure that every product and solution we deliver meets the highest standards of quality, reliability, and performance.

Certificate Of Honor
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Test Report
  • Test Report
News