PE 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.

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Understanding The Types Of Pe Fittings

Polyethylene or PE is one of the specialized types of plastics used for pipes and fittings in various applications. With its high corrosion resistance, durability, reliability and flexibility, it finds use in domestic, commercial, and industrial works. To connect PE pipes, the corresponding PE fittings are used. Depending on the connection method and use, PE fittings may be classified as follows:

On the basis of connection method
Electrofusion fittings made from PE are used in natural gas transmission and distribution. These fittings are extremely costly as they have the highest safety factor owing to the sensitive nature of the area of their application. Electrofusion PE fittings are joined through the heating method, which allows for making different types of joints such as pipe to pipe, knee and pipe, and pipe couplings, among others.

Welded PE fittings are perhaps the most popular type of PE fittings because the method of manufacture and quality of these fittings enables the fitting of any type of PE pipes, including those with the smallest size and the largest. These fittings are connected by boot fusion method as well as by electrofusion, which gives flexibility to the entire process.

Injection fittings are a type of PE fitting which are connected through the use of a butt welding machine. The method of their construction makes them unsuitable for use in high pressure applications and as such, they are generally suitable for use in agricultural domain. However, these fittings have many advantages as compared to other types of PE fittings, which includes their fast production, diversity, cost effectiveness, light weight and ready availability.

On basis of function
Adapters: The adapter type of PE fittings have a combination of insert fitting or compression fitting at one end and a slip or thread joint at the other to help pipes of different widths and diameters connect with ease. They can be used for any system where the pipes to be joined are of varying diameters.

Crosses: Four-way connectors are known as crosses. They are shaped like a cross, or an X, and hence the name. In PE pipes, generally insert type of crosses are used to ensure the joint is accurate and does not slip.

Tees: As the name suggests, these types of PE fittings are shaped like the English alphabet ‘T’ and can be of compression or insert type.

Elbows: When pipe networks are to be bent, connectors known as elbows are used. For PE pipes, elbows may be of both compression and insert type and can have slip or threaded ends.

Advantages of PE Fitting

Durability and Strength
PE pipes are known for their durability and strength, which makes them resistant to damage and wear and tear. They can withstand harsh weather conditions, corrosive elements, and rough terrains, making them ideal for installations outdoors. They are also flexible, allowing you to bend and curve them without cracking or breaking. This flexibility makes PE pipes less prone to stress fractures and pipe bursts.

Cost-Effective
PE pipes are affordable and cost-effective in the long term. They require less maintenance and repairs compared to other pipe materials, reducing operating costs throughout the life cycle of the system. Additionally, PE pipes are lightweight, which means they're easy to transport, install, and handle, saving you labor costs.

Versatility
PE pipes can be used for a wide range of applications, from gas pipelines, water supply, sewerage and drainage systems, to irrigation systems and industrial applications. This versatility makes them an ideal choice for different industries and sectors, including agriculture, construction, and mining.

Environmentally Friendly
PE pipes are eco-friendly, as they're 100% recyclable. This means that at the end of their life cycle, you can gather and recycle used PE pipes, reducing waste and conserving resources. Additionally, PE pipes don't release toxic chemicals or contaminants during production and installation, making them a safe and sustainable option for plumbing and gas systems.

Resistance to Chemicals and Water Contamination
PE pipes can resist corrosion, chemicals, and acidic substances, making them ideal for areas with aggressive soil conditions or water sources. They also provide a barrier against water contamination, ensuring safe and clean water supply.

Standard Names of PE Fitting

Butt Fusion 22.5degree Elbow For Gas Dn400

Dn355 Butt Fusion 22.5degree Elbow For Gas

Gaskets
Gaskets are pretty distinguishable due to their shape, feature, and material. These pipe fittings are shaped like a ring and are used to seal flange joints. Depending on your flange, you will use a specific gasket material for the task. For example, a nonmetallic spiraled gasket is used for raised-face flanges. Also, you will use the ring-shaped gaskets for ring-type flanges.

Pipe Elbows
Pipe elbows help direct the flow of the plumbing system in the direction you want it to go. It comes in various degrees, but the most common is the 90-degree and 45-degree elbows. Also, pipe elbows come in two types including long radius( 1.5D) and short radius (1D).

Pipe Bend
Pipe bends are long radius fittings used in systems requiring pigging. This type of pipe connector provides a low-pressure flow due to the seamless change in the flow of directions it gives. Pipe bends come in two dimensions including 3D and 5D.

Pipe Tee
A pipe tee collects the fluid running from the main pipeline. It has a 90-degree branch and is located in a small pipeline area. There are several types of pipe tees including straight tees, reducing tees, barred tees, and wye tees. The straight tee has the same diameter as the main pipe, while the reducing tee has a smaller diameter.

Cross
A cross is a four-way pipe fitting with one inlet and three exits. It’s mainly used for fire water sprinklers, not for transferring fluids in a plumbing system.

Pipe Reducers
A pipe reducer helps decrease the diameter of a pipe. There are two different types: concentric and eccentric. Concentric pipe reducers help maintain the center elevation of a pipeline. They are used when two different pipe sizes must be made the same at the center of a system. Eccentric pipe reducers help keep the bottom of a pipe at a certain level. Its job is to keep the pipe system exterior surface at a constant level throughout.

Pipe Caps
At the end of the plumbing system is a cap. A pipe cap covers the dead end of a plumbing system to prevent leakage.

Stub Ends
Stub ends have the same function as pipe caps. However, they are used for lap joint flanges.

Piping Unions
Piping unions are used for low-pressure pipes that are frequently dismantled. This type of pipe fitting has three parts including a female end, male end, and a nut. The nut is used to create a strong seal along with the female and male ends.

Pipe Coupling
There are three different types of pipe couplings: full coupling, half coupling, and reducing coupling. A full coupling is used for connecting tiny bore pipes. Half coupling fittings branch a small bore pipe to a large one. Lastly, a reducing coupling is to connect two pipes with different diameters.

Following the Correct Procedure for Joining PE Fitting

Choose the appropriate PE fittings for the use. The choice must be made in accordance with the application and the purpose to be fulfilled. Explore the different types of PE fittings to choose the ones which are suitable for easy installation.

Place the PE pipes and fittings to be cut on a level surface to prevent any mismatch in alignments. Determine the position of cutting and leave one to two centimetres of cutting allowance in the pipe.

Since the PE fittings must be secured before the joining begins, earmark the position where the clamping is to be done. Choose an appropriate fixture for the same depending on the type of pipes being used.

Next, place the pipes and fittings to be connected in a such a manner that their ends face each other.

After the pipe and fitting ends have been aligned, heat the pipe ends to the appropriate temperature depending on the prevailing temperature outside. Keep in mind the melting length of the pipe and heat the pipe to the appropriate lengths as suggested by the manufacturer.

After the pipe and fitting ends are sufficiently melted, remove the heating device and press the pipe ends together. Remember to apply only the necessary pressure and not press too hard as the latter can cause the pipes to crack during the joining itself, thus affecting its durability.

After the fusion has been made, allow the pipe and fitting to cool down to the normal temperature, all the while maintaining the docking temperature.

What Should I Consider When Selecting Pipe Pe Fitting?

01/

Material
One of the most important considerations is material. Pipe fittings come in a variety of materials, like titanium, aluminum, Hastalloy, and Inconel. Aluminum fittings are lightweight and corrosion-resistant. Titanium offers durability along with easier soldering and brazing, and it withstands high pressures. Choose a material suited for your piping system and operating conditions. This ensures leak-free, long-lasting performance.

02/

SIZE
You’ll also need to determine the proper size. Pipe fitting sizes are based on the inside diameter of the pipes they connect. Common sizes for gas pipes range from 1/4 inch to 48 inches. Measure your pipe’s outside diameter and use a pipe size chart to identify the right fitting size. Properly sized fittings reduce flow restrictions and minimize pressure drops. Undersized fittings can restrict flow while oversized ones waste space and material.

03/

Pressure Rating
Consider the pressure rating, too. According to Pipeline Awareness, pipeline pressure needs to be monitored 24 hours a day, 365 days a year. So, fittings must be rated for the system’s maximum operating pressure. Higher pressure applications require sturdier, thicker-walled fittings. Using an insufficiently rated fitting could lead to leaks or even explosive failures. Confirm ratings are significantly above your operating pressures for safety.

04/

Connection Type
There are many pipe fitting connection types like tees, elbows, couplings, caps, and more. Choose compatible connections that properly join your pipe materials and sizes. Certain fittings allow easy disassembly of larger metal pipes, and connections quickly join fittings through pressure insertion. Pick the right connections to create secure seals.

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 are PE fittings?

A: PE pipe fitting stands for Poly Ethylene pipe fitting. PE pipes can be connected to pipe in other materials by a range of mechanical fittings available from the relevant manufacturers. These can either be transition couplets to connect the pipes together directly or flange connections.

Q: What does PE mean in piping?

A: Polyethylene
What is PE pipe? PE pipe is pipe that's made of polyethylene (PE). These pipes are made of thermoplastic material, which is produced by the polymerization of ethylene. PE pipe is made via a process known as extrusion, so it's easy to produce pipes of different sizes.

Q: What is a compression fitting PE?

A: The compression fitting is the assembly of polyethylene, polypropylene, resins or metal. Consisting of a fitting body (tee, cone, elbow, etc.), an O-ring, a support ring, a locking ring and a tightening nut, this fitting is easy to dismantle and withstands operating pressures from 10 to 20 bar.

Q: How do I identify a PE pipe?

A: National and International standards require that the PE pipe and fittings are clearly marked with the grade of PE from which they are manufactured on the outer surface together with other information including: manufacturer's name or trade mark; code for the compound used; diameter and pressure rating; and date .

Q: What is the purpose of PE pipe?

A: In gas distribution systems, PE pipe is commonly used because it is resistant to the effects of gas and can handle high-pressure applications. PE pipe is also commonly used in mining, irrigation, and drainage systems because of its flexibility and ease of installation.

Q: What is the lifespan of a PE pipe?

A: Between 50-100 years
Typically polyethylene pipe can last between 50-100 years if designed, maintained and installed correctly. We take a look at the top five considerations when designing and installing PE pipe in order to achieve a long service life.

Q: What is PE used for in plumbing?

A: Polyethylene (PE) piping is used primarily in cold water supply systems within homes and businesses because it can withstand temperatures up to 200 degrees Fahrenheit (ca.

Q: Is PE pipe safe for drinking water?

A: In use in potable water applications since the 1960s, high-density polyethylene (HDPE) pipe has become the ideal material for piping systems used to transport drinking water.

Q: How do you fix a PE pipe?

A: Damaged PE pipe is usually cut using a dry chain saw. Measure the distance between the cut pipe ends and cut an PE replacement section approximately ½-inch shorter than that length. Install the insert stiffeners in both ends of the existing PE pipes and in both ends of the replacement section.

Q: What are the failures of polyethylene pipe?

A: Failure can occur when the design parameters are exceeded for example due to excessive loading or extreme temperatures. Toughness; Toughness is the ability of the pipe to withstand fracture. Fractures can subsequently be divided into 'slow crack growth' (SCG) and 'rapid crack propagation' (RCP).

Q: What is the purpose of PE pipe?

Q: Where is PE pipe used?

A: These benefits make it an ideal piping material for a broad variety of applications such as potable water service or distribution lines, natural gas distribution, lawn sprinklers, sewers, waste disposal, and drainage lines. PE materials are generally resistant to most ordinary chemicals.

Q: How to connect PE pipes?

A: PE pipe may be joined to other pipe materials by means of compression fittings, flanges, or other qualified types of manufactured transition fittings. There are many types and styles of fittings available from which the user may choose.

Q: What is PE pipe for plumbing?

A: Polyethelyne (PE) pipes offer durable and flexible solutions for a wide range of applications. Polyethylene piping is resistant to corrosion in all ground conditions and its flexibility allows it to withstand ground movements. No protective layers or finishes are required.

Q: Where is PE pipe used?

Q: How to join PE pipe?

A: General Provisions PE pipe or fittings are joined to each other by heat fusion or with mechanical fittings. PE pipe may be joined to other pipe materials by means of compression fittings, flanges, or other qualified types of manufactured transition fittings.

Q: What are the benefits of chequered plates?

A: The chequered plates are of superior quality and have many advantages. They have high corrosion resistance, machinability, workability, welding ability, abrasion resistance, impact resistance, anti-skid property, self-draining feature, metal grating and weighs less.

Q: What is the lifespan of a PE pipe?

Q: What is the normal method of joining polyethylene pipe?

A: Butt Fusion
Butt Fusion The most widely used method for joining individual lengths of PE pipe and pipe to PE fittings is by heat fusion of the pipe butt ends as illustrated in Figure 1. This technique produces a permanent, economical and flow-efficient connection.

Q: What type of pipe is PE?

A: Polyethylene Pipe (PE pipe) PE pipe ( polyethylene pipe ) has been produced in the world since the mid 1950s. Since then, PE use and the number of applications for PE pipe ( polyethylene pipe ) has grown enormously, due to its versatility and the advantages it offers over iron, steel and cement systems.

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