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Qingfa - Your Reliable Butt Fusion Fittings Manufacturer

With over 25 years of focused expertise in PE pipe fittings, Zhejiang Qingfa Pipe Technology Co., Ltd. is an ISO-certified industry pacesetter, driven by refinement, top-tier quality, and continuous innovation. We offer a comprehensive lineup of PE accessories (dn20mm - dn1200mm) tailored for gas and water pipelines—including HDPE fittings, valves, and translation fittings—backed by 42 advanced injection molding machines, 40+ CNC tools, and fully automated production lines. Boasting an annual capacity of 10,000 tons, we stand as a domestic technological leader, while providing flexible custom solutions and dedicated after-sales service to meet global client needs.

Product Advantages

Strength and durability

Strong, leak-free joints: The process involves heating the pipe ends to melt the material and then fusing them under pressure, creating a single, seamless piece that is resistant to leaks and damage.
Homogeneous connection: The resulting joint is as strong as the pipe itself, making it resistant to failure.
Durable: Butt fusion joints are highly durable and resistant to corrosion, abrasion, and environmental factors, leading to long-term reliability.

Cost-effectiveness and efficiency

Cost-effective: The process doesn't require additional materials like adhesives or mechanical joints, which lowers the cost of materials.
Efficient installation: It is relatively fast, especially compared to electrofusion for certain sizes, and requires minimal preparation.
Reduced maintenance: The strong, durable joints lead to fewer failures, which in turn reduces the need for costly repairs and downtime over the long term.

Suitability and versatility

Ideal for high-pressure applications: It is a preferred method for welding high-pressure and high-flow pipes due to the strength of the joint.
Suitable for large projects: The cost-effectiveness and reliability make it a good choice for large-scale pipeline installations.
Environmentally friendly: The absence of adhesives or other materials means there is no risk of chemical degradation or reactions.

HDPE Butt Fusion Coupling
1. Seamless & Strong Connection: Butt fusion creates a homogeneous joint with strength matching the pipe, ensuring leak-proof performance even under high pressure.
2. Precision Size...
HDPE Butt Fusion Fittings
Butt fusion Fittings flange are made of high-quality HDPE raw materials and feature corrosion resistance, anti-aging and high strength. It is connected to the pipeline through the hot-melt...
Butt Fusion Tee
Products Description butt fusion tee - core connection component for pipeline system's diversion and convergence The hot-melt high-density polyethylene (HDPE) three-way fitting produced by...
Butt Fusion Elbow
Products Description butt fusion elbow - precise connection component for pipeline system steering HDPE hot-melt 90-degree elbow is made by injection molding with PE100 grade new high-density...
Butt Fusion Fittings
Products Description butt fusion fittings Food-grade raw materials, providing greater peace of mind 100% brand-new HDPE raw materials, certified by the national drinking water hygiene safety...
Hdpe Products Sdr 11 Fittings Reducer
hdpe products sdr 11 fittings reducer is made by injection molding with high-density polyethylene material.
It is used for the transition connection of PE pipes of different diameters.
Poly Pipe Fusion Fittings
Fusion HDPE Pipe Reducer are made of brand-new high-quality HDPE raw materials and feature corrosion resistance, anti-aging, and high strength. By using the hot-melt butt welding process, pipes of...

Product Type

Elbows

Used to change the direction of the pipeline, most commonly available in 45 degree and 90 degree angles.

Tees

Connect three pipes together. They come in equal (straight) and reducing (for joining different sizes) types.

Reducers

Connect pipes of different diameters and are available as concentric or eccentric fittings.

Flange Adapters

Facilitate connections to pipes made of other materials, like metal, and allow for easy disassembly.

End Caps

Used to close off the end of a pipe.

Stub Ends

Similar to flange adapters, often called long neck fittings, they are used with flanges to create a connection.

Crosses

Connect four pipes, with the term sometimes used interchangeably with tee fittings in some contexts.

Couplers

Used to join two pipes of the same diameter.

Ball Valves

Used to control the flow of fluid within the pipeline.

Product Applications

Municipal Engineering

Used in water supply, drainage, and sewer systems to create durable, leak-free networks for water and wastewater.

Gas and Fuel Pipelines

Ensures safety and reliability for low-pressure gas transport by providing strong, leak-free joints that prevent catastrophic leaks.

Industrial Transport

Connects chemical and industrial pipelines that need to withstand high pressures and resist harsh chemicals.

Agricultural Irrigation

Used to build efficient, consistent water delivery systems for large farms, preventing leaks and pressure loss.

Environmental Projects

Applied in landfill construction for leachate collection systems.

Trenchless Technology

The low profile of the butt joint makes it suitable for trenchless installations like pipe bursting, sliplining, and directional drilling.

Product Material

PE80 or PE100 materials.

FAQ

Q: What types of butt fusion fittings are available?

A: Common butt fusion fittings include elbows, tees, reducers, end caps, and flange adapters. These are used for connecting pipes and are available in a wide range of sizes and angles, such as 90 degree or 45 degree elbows and reducing tees.

Q: What are the key steps in the butt fusion process?

A: The key steps in the butt fusion process are Preparation, Heating, Fusing, and Cooling. During preparation, the pipe ends are cleaned and squared. In the heating phase, the pipe ends are pressed against a hot plate until they soften. The pipes are then pressed together with controlled pressure to fuse them. Finally, the joint is allowed to cool under pressure until it is solid and strong.

Q: Can butt fusion be used for pipe repairs?

A: Yes, there is a specific sequence for connecting pipes to a tee, which generally involves preparing the pipe and fitting, applying sealant, and then connecting the pipes. The specific method depends on the type of fitting and pipe material, but the overall process includes preparing the joint, connecting the main pipe, connecting the branch pipe(s), and tightening securely.

Q: What is the service life of a butt fusion joint?

A: The service life of a butt fusion joint for HDPE pipes is typically 50 to 100 years, although it can be even longer, often estimated to be well over 100 years for applications like municipal water systems. The actual lifespan depends on proper installation and factors like heating temperature, welding pressure, and cooling time.

Q: Is butt fusion suitable for pressurized applications?

A: Yes, butt fusion is suitable for pressurized applications, creating strong, monolithic joints that are as reliable as the pipe itself. It is a preferred method for joining plastic pipes like HDPE used in high-pressure pipelines for water, gas, and other fluids because it forms a seamless and leak-free connection.

With over 25 years' experience, we are one of the most professional butt fusion fittings manufacturers and suppliers in China. Please rest assured to wholesale custom made butt fusion fittings at competitive price from our factory. Welcome to view our website for more information.

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