PERT-II Fitting

Why Choose Us

Excellent Product Quality

High density polyethylene (HDPE) fittings and ball valves which are widely used in domestic gas industry with a high market reputation, also exported to Europe, Australia, Middle East, Asia and other countries.

Rich Experience In Production

We are a fully-fledged ISO certified company with more than 10 years' experience in manufacturing, with full lines of products, innovative R&D team, Ningbo Hengyuan are keen to be your one-stop factory for HDPE fittings, ball valves and other special requirement.

After-Sales Service

Since its establishment, our company has been adhering to the scientific outlook on development, technology research.

Competitive Advantage

Adhering to the concept of a high starting point and high investment, Hengyuan Precision introduced more than 40 Haitian large-scale injection molding machines, built a first-class servo system and introduced advanced manipulator equipment.

PERT-II Electrofusion Coupler

Injection moulded, embedded resistance wire by CNC machine, LG Chem Material SP988 and TOTAL XRT

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PERT-II Electrofusion 45degree Elbow

Injection moulded, embedded resistance wire by CNC machine, LG Chem Material SP988 and TOTAL XRT

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PERT-II Electrofusion 90degree Elbow

Injection moulded, embedded resistance wire by CNC machine, LG Chem Material SP988 and TOTAL XRT

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PERT-II Electrofusion 90degree Equal Tee

Injection moulded, embedded resistance wire by CNC machine, LG Chem Material SP988 and TOTAL XRT

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PERT-II Electrofusion 90degree Reducing Tee

Injection moulded, embedded resistance wire by CNC machine, LG Chem Material SP988 and TOTAL XRT

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PERT-II Electrofusion Reducer

Injection moulded, embedded resistance wire by CNC machine, LG Chem Material SP988 and TOTAL XRT

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PERT-II Butt Fusion Flange Adapter

Injection moulded, LG Chem Material SP988 and TOTAL XRT 710 material, on request available also

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PERT-II Butt Fusion End Cap

Injection moulded, LG Chem Material SP988 and TOTAL XRT 710 material, on request available also

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PERT-II Butt Fusion Reducer

Injection moulded, LG Chem Material SP988 and TOTAL XRT 710 material, on request available also

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Advantages of PERT-II Electrofusion Coupler

01/

Seamless Fusion
One of the primary advantages of HDPE Electrofusion Couplers is the seamless fusion they provide. The electrofusion process ensures a uniform bond between the pipe and the fitting, eliminating potential weak points or leakage paths commonly associated with traditional joining methods.

02/

Enhanced Strength
HDPE Electrofusion Couplers offer exceptional joint strength, capable of withstanding high-pressure applications without compromising integrity. The fused connection distributes stress evenly across the joint, minimizing the risk of failures or ruptures, even in demanding environments.

03/

Versatility
These couplers are highly versatile and compatible with a wide range of pipe sizes and specifications. Whether used in municipal water distribution networks, industrial applications, or agricultural systems, HDPE Electrofusion Couplers provide a reliable solution for joining pipes of varying diameters and materials.

04/

Corrosion Resistance
HDPE pipes are inherently resistant to corrosion, making them an ideal choice for installations in aggressive soil conditions or corrosive environments. The seamless fusion provided by Electrofusion Couplers further enhances this resistance, ensuring long-term performance and durability.

05/

Time and Cost Savings
The efficiency of the electrofusion process translates into significant time and cost savings during installation. With no need for additional equipment or complex procedures, HDPE Electrofusion Couplers enable rapid assembly of piping systems, reducing labor costs and project timelines.

06/

Leak-Free Performance
The fusion process creates a leak-free seal that remains robust over the lifetime of the piping system. By eliminating potential leak points, HDPE Electrofusion Couplers contribute to overall system reliability and reduce the need for maintenance and repairs.

Standard Dimensions Of Pert-Ii Electrofusion Coupler

PERT-II Electrofusion 90degree Reducing Tee

Pipe Size Compatibility: HDPE Electrofusion Couplings are designed to accommodate specific pipe sizes. Common pipe sizes range from small diameters (e.g., 20mm) to larger diameters (e.g., 630mm or more). The dimensions of the couplings are matched to the corresponding pipe size to ensure a proper fit and seal.

Length: The length of the coupling can vary based on the manufacturer and the specific application requirements. Standard lengths are typically designed to provide sufficient fusion area between the coupling and the pipes being joined. Lengths may range from a few inches to several feet, depending on the diameter of the pipes and the desired fusion area.

Wall Thickness: The wall thickness of HDPE Electrofusion Couplings is designed to provide structural integrity and withstand the operating pressures of the piping system. The thickness may vary depending on the size of the coupling and the pressure rating required for the application. Thicker walls are often used for larger diameter couplings or higher pressure applications.

Fusion Zone: The fusion zone of the coupling refers to the area where the electrofusion process takes place, bonding the coupling to the pipes. This zone is carefully engineered to ensure a strong and reliable fusion joint. The dimensions of the fusion zone may vary depending on factors such as pipe size, material thickness, and fusion parameters.

End Configuration: HDPE Electrofusion Couplings typically feature a standardized end configuration to facilitate the fusion process and ensure compatibility with electrofusion welding equipment. Common end configurations include plain ends or serrated ends, which help to enhance the fusion process and create a secure bond between the coupling and the pipes.

Pressure Rating: HDPE Electrofusion Couplings are designed to meet specific pressure ratings based on industry standards and regulatory requirements. The pressure rating of the coupling is determined by factors such as material properties, design parameters, and manufacturing processes. Common pressure ratings for HDPE Electrofusion Couplings include PN10, PN16, PN20, PN25, and PN32, among others.

Application of PERT-II Electrofusion Coupler

The company conducted a competitive advantage analysis to identify its strengths and weaknesses compared to its rivals.

Water and sewage industries

In irrigation systems, water and sewage networks, pools and urban water and sewage facilities, electrofusion joints can be used to connect and connect polymer pipes.

Oil and gas industry

In the oil and gas industry, electrofusion joints can be used to connect gas and oil pipes. These connections have the ability to withstand pressure and harsh environmental conditions.

Chemical Industry

In the chemical industry, electrofusion fittings may be used in piping systems for conveying chemical products and corrosive materials. These connections can be highly effective due to their high resistance to corrosion and chemicals.

Mining Industry

In mining and mineral extraction, electrofusion fittings are used to connect pipes in irrigation systems, pumping and mining facilities. These connections can be used due to their high resistance to pressure and harsh environmental conditions.

Electrical and electronic industries

In some parts of the electrical and electronic industry, electrofusion joints may also be used to connect and connect cables and pipes.

Proper Pert-Ii Electrofusion Coupler Methods

Inspection
Thorough inspection of joining pipes and fittings prior to begin installation helps achieve sound electrofusion joints. Pipes and fittings should be inspected for gouges, grooves, out-of-roundness and presence of water inside the pipe. Here, there are two key points to consider.

Surface preparation
This is the most critical step in joining electrofusion fittings and pipes. This includes pre and post-cleaning of dirt, debris, water, moisture and other foreign materials from scraped areas prepared for the electrofusion.

Scraping
Even if pipe surfaces are not scraped, the fusion will go through to completion without any evidence of error. However, there will not be any physical bonding between the coupling and pipe. Therefore, this function is critical for long-term fusion integrity.

Pipe alignment
The pipes and the coupling must be aligned and clamped to avoid stress on the coupling. Misalignment or excessive bending will cause premature failure of the coupling in-service. Do not exert excessive force during the sliding of coupling onto the pipe. Use of a wooden or rubber mallet or wooden block or dead blow hammer is recommended for aid in sliding coupling. Roller jacks must be used for pipe and coupling for above ground alignment.

Power sources
There are two types of universal electrofusion processors, power-operated and battery-operated. Power-operated processors operate from a power supply voltage of 115 VAC, usually from a truck inverter or generator. The regulated output voltage is a 39.5 volts RMS +/- 1.5% with an output current capability of 80 amperes.

What is PERT-II Butt Fusion Flange Adapter?

A PERT-II butt fusion flange adapter is a device used to connect a PERT (polyethylene raised temperature) pipe to a flanged component, such as a valve, fitting, or another section of piping that requires a flanged connection. This type of connector is particularly useful in situations where a direct butt fusion connection is not feasible or when converting from a butt fusion system to a flanged system.

Application of PERT-II Butt Fusion Flange Adapter

Chemical industry: In the chemical industry, flange adapters are widely used in various pipeline systems, such as pipelines for the transportation of materials such as oil, natural gas, and chemical raw materials. Since the chemical industry has extremely high requirements for safety, flange adapters need to ensure sealing performance and reliability when connecting pipelines to prevent leakage and accidents.

Power industry: Flange adapters are also widely used in the power industry, mainly in power transmission pipeline systems. During the power transmission process, flange adapters can connect pipelines of different types and specifications to achieve the connectivity of the power transmission system and ensure the stability and safety of power transmission.

Metallurgical industry: Flange adapters are also widely used in the metallurgical industry, mainly in the transmission pipeline system in metallurgical production. In metallurgical production, flange adapters can connect pipelines of different types and specifications to achieve the connectivity of the pipeline system and ensure the smooth progress of the production process.

Shipbuilding industry: Flange adapters are also widely used in the shipbuilding industry, mainly in the pipeline system of ships. During the shipbuilding process, flange adapters can connect pipelines of different types and specifications to achieve the connectivity of the pipeline system and ensure the normal operation of the ship.

Aerospace industry: Flange adapters are also widely used in the aerospace industry, mainly in the piping systems of aerospace vehicles. In the production process of aerospace vehicles, flange adapters can connect pipes of different types and specifications to achieve the connectivity of the piping system and ensure the normal operation of aerospace vehicles.

Process 0f Pert-Ii Butt Fusion Flange Adapter

The working principle of flange adapter is based on its design, which allows flanges of different specifications or types to be connected to each other to establish an interface between pipes or equipment. Flange adapters usually consist of a flange connection bolt and a gasket, which work together to ensure the sealing and stability of the connection. When two different flanges are connected through the adapter, the bolts are tightened, and the gasket plays a role of filling and sealing to prevent liquid or gas leakage, while also transmitting pressure and torque to ensure the strength and reliability of the connection.

Size and shape of the adapter: The flange adapter must accurately match the size and shape of the flange to be connected to ensure proper fit and sealing.

Material of the adapter: The material of the flange adapter should be strong enough to withstand the expected pressure and temperature, and also have good sealing performance. Common materials include metals such as carbon steel, stainless steel, or plastics such as PVC and polyethylene.

Bolts and gaskets: Flange adapters are usually equipped with bolts and gaskets. Bolts are used to fix the flanges in place, while gaskets are used to fill the gaps between the flanges to prevent fluid or gas leakage.

Installation process: The installation of flange adapters also needs to follow specific steps. For example, the gap between the flanges needs to be properly adjusted to ensure the best sealing effect. Additionally, the bolts need to be tightened evenly to prevent the flange from shifting or cracking.

Whether the flange adapter can withstand high temperature and high pressure environment depends on the characteristics and design of its material. Some flange adapters are made of special high temperature alloy materials, such as GH217 alloy steel, which can maintain good corrosion resistance and heat resistance at temperatures up to 1200 degrees Celsius. In addition, Incoloy 907 is also an alloy material commonly used in high temperature and high pressure environments. It has good mechanical properties and heat resistance and is widely used in aerospace, energy and chemical industries.

Therefore, if the flange adapter is made of these or similar high-performance materials and is properly designed, they can work normally in high temperature and high pressure environments. However, for each model of flange adapter, it is necessary to check the technical specifications and certifications provided by its manufacturer to determine whether it is suitable for specific high temperature and high pressure applications. When selecting a flange adapter, make sure that its material and design can meet the required working conditions.

Our Factory

Manufacturer of high density polyethylene (HDPE) fittings and ball valves which are widely used in domestic gas industry with a high market reputation, also exported to Europe, Australia, Middle East, Asia and other countries. We are a fully-fledged ISO certified company with more than 10 years' experience in manufacturing, with full lines of products, innovative R&D team, Ningbo Hengyuan are keen to be your one-stop factory for HDPE fittings, ball valves and other special requirement.

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FAQ

Q: What is a PERT-II Electrofusion Coupler?

A: A PERT-II electrofusion coupler is a device used to connect two sections of PERT-II piping using an electrofusion welding process. It consists of a ceramic body with embedded heating elements that, when activated by an electric current, melt the ends of the pipes to form a strong, leak-proof joint.

Q: How does a PERT-II Electrofusion Coupler Work?

A: The coupler is placed around the ends of two aligned pipes. Once positioned, the heating elements are activated, generating heat that melts the plastic at the point of contact. The pipes and the coupler cool together, forming a single, monolithic structure.

Q: What are the Benefits of Using a PERT-II Electrofusion Coupler?

A: The primary benefits include a strong, durable joint; resistance to corrosion and environmental stress cracking; ease of installation; and the ability to make repairs in the field. Electrofusion couplers also provide a consistent and repeatable connection quality.

Q: What Materials Are Used in Manufacturing PERT-II Electrofusion Couplers?

A: The coupler is typically made from high-quality polyethylene (PE), with ceramic components containing the heating elements. The heating elements are usually made from nichrome wire or similar conductive materials capable of reaching the high temperatures needed for fusion.

Q: What Applications Are PERT-II Electrofusion Couplers Suitable For?

A: PERT-II pipes and couplers are commonly used in natural gas distribution systems, water supply pipelines, and industrial applications where high-pressure and temperature resistance are required. They are particularly well-suited for underground installations due to their durability and corrosion resistance.

Q: What Safety Precautions Should Be Taken When Using a PERT-II Electrofusion Coupler?

A: Always follow the manufacturer's guidelines and safety protocols. Ensure that the pipes are clean and dry before fusion. Use appropriate personal protective equipment (PPE), such as gloves and eye protection. Avoid exposing the coupler to sources of ignition or open flames during the fusion process.

Q: How Long Does the Fusion Process Take?

A: The duration of the fusion process varies depending on the coupler's size and the pipe's material properties. Typically, the fusion cycle may last from a few seconds to several minutes. Always refer to the manufacturer's recommendations for the exact fusion time.

Q: How Do I Inspect a PERT-II Electrofusion Coupler Joint?

A: After the joint has cooled, inspect it for visible defects such as cracks, gaps, or improper alignment. Some manufacturers provide visual indicators or test procedures, such as pressure testing, to confirm the integrity of the joint.

Q: What Is the Lifespan of a PERT-II Electrofusion Coupler Joint?

A: Under normal conditions and with proper installation, a PERT-II electrofusion coupler joint can last the entire service life of the pipeline, which can be several decades. The actual lifespan depends on factors such as the operating conditions, quality of the materials, and frequency of maintenance.

Q: What is the difference between a rigid coupling and a flange coupling?

A: Flexible couplings are used to connect two shafts that are not aligned with each other. Flexible couplings are good for when the shafts are a little bit off, while rigid couplings can't tolerate any misalignment.

Q: How does a flange adaptor work?

A: Used to connect networks composed of different materials or specially designed for one material, flange adaptors join a flanged part to the spigot end of a pipe or tube. They come in anchoring or non-anchoring versions, while the self-anchoring (locking) products do not necessitate concrete anchor blocks.

Q: What is the difference between flange and flange adapter?

A: Flange adaptors are used for field installations in lieu of • standard threaded pipe flanges when the latter are found to be impractical due to time and/or cost restraints. Set screws are an integral part of the adaptor to give • restraint and to prevent blow-off.

Q: What Are the Advantages of Using a PERT-II Butt Fusion Flange Adapter?

A: The primary advantages include a leak-proof connection that is as strong as the pipe material, resistance to corrosion and environmental stress cracking, and the ability to make repairs in the field. Additionally, the use of butt fusion provides a consistent and repeatable connection quality, reducing the risk of leaks or failures.

Q: What are the parts of a flange adapter?

A: Flange adaptors consist of one follower end ring, a middle ring and flange, one gasket and a set of bolts and nuts. Flange adaptors are ideal for joining a pipe to a flanged product like for instance a gate valve, butterfly valve, return flow inhibitors or fittings in gen- eral.

Q: What Are the Common Applications of PERT-II Butt Fusion Flange Adapters?

A: PERT-II but fusion flange adapters are commonly used in natural gas distribution systems, water supply pipelines, and industrial applications where high-pressure and temperature resistance are required. They are particularly well-suited for underground installations due to their durability and corrosion resistance.

Q: How do flange fittings work?

A: Flange connections are typically used in applications that will encounter exceptionally high pressures when using pipe or tubing with an OD over 7/8 inches. They may be bolted together to mate two sections of pipe (tube or hose), or bolted or screwed into the component to secure a flange fitting or section of pipe.

Q: What is the difference between a coupling and a flange adapter?

A: Pipe couplings are used to connect two spigot ends of pipes, flange adaptor are used to connect from flanges to spigot ends of pipes.

Q: What type of coupling is a flange coupling?

A: Flange couplings that are designed to be mounted on engine flywheels typically come with SAE connections and are used to connect diesel engines to hydraulic pumps or splitter gearboxes. These elements help to absorb shocks and vibrations, reducing wear on the engine and the connected components.

Q: What Is the Lifespan of a PERT-II Butt Fusion Flange Adapter Joint?

A: Under normal conditions and with proper installation, a PERT-II but fusion flange adapter joint can last the entire service life of the pipeline, which can be several decades. The actual lifespan depends on factors such as the operating conditions, quality of the materials, and frequency of maintenance.

Q: What are the advantages of flange coupling?

A: Advantages Of Flange Coupling
Overall, flange couplings offer a balance of strength, flexibility, and ease of use, making them a popular choice for connecting shafts in various mechanical systems and applications.

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EF equal tee 90, cross tee 90° long spigot, Electrofusion 90degree Reducing Tee