China Hot selling DN25-800 HDPE 90 Degree Ef Elbow/Bend SDR11/Pn10 Termofusion Fitting/Tee/Coupling cohesion and coupling

Product Description

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HDPE pipe Steel Mesh PE Composite Pipe Steel  Skeleton PE Composite Pipe Dual-sealing PE Composite Pipe
HDPE Double Wall Corrugated Pipe Type-B HDPE Drainage Pipe Type-C HDPE Drainage Pipe MPP Cabel Conduits
HDPE Electrofusion Fitting HDPE Butt Welding Fitting HDPE Fabricated Fitting PP Compression Fitting
Steel Plate Socket ElectrofusionComposite Fitting Dual-sealing Electrofusion Fitting HDPE Drainage Fitting MPP Cable Conduits Fitting

HDPE pipe fittings, also called polyethylene pipe fittings or poly fittings, are used for the connection of HDPE piping systems. Generally, the HDPE pipe fittings are available in most common configurations of couplers, tees, reducers, elbows, stub flanges & saddles.,etc.

The HDPE pipe fittings, which are made by excellent quality material, are the ideal choice for the connection of the HDPE pipe that are made by us. The HDPE pipe fittings can be provided in various ranges, consisting: PP compression fittings, HDPE butt CZPT fittings, HDPE electrofusion fittings.

LANGBOONE is integrated provider of HDPE piping systems,and we can provide the HDPE pipe fittings with various items & specifications.

HDPE electrofusion fittings are the more reliable & simple solution that are for HDPE pipe connection. Like HDPE butt CZPT fittings, HDPE electrofusion fittings also adopt a thermofusion process to joint to the HDPE pipe, by using HDPE pipe electrofusion machine, the electric power go through the brass wire that is coiled inside the surface of the both of ends of fittings, melting the outer surface of HDPE pipe & inside surface of the HDPE electrofusion fittings.

We can offer HDPE electrofusion fittings from dn20mm to dn630mm with pressure rating SDR11-PN16 bars

Advanced production equipment, core equipment imported from Germany and Japan, leading production technology and process

PE80/100 Virgin Material,manufactured by SINOPEC


High-quality special electric fuse, the material of the electric fuse shell and the pipe fitting are the same, the CZPT is better, and the problem of electric CZPT welding is solved

The electrofusion terminal has a protective shell to prevent damage to the electrofusion interface caused by brutal construction

Multitypes fittings with full range diameter,can meet all special request

Flange Surface have clearly sealed waterline,working with rubber flat to reach better tightness


Product Name ElectroFusion Fittings 
Material PE100(3490LS ) , PE80(ME3440) 
Diameter Range DN25-DN800
Color  Black ,Grey, Orange, Customized 
Type Straight, 90° elbow, 45° elbow, flange, end cap, equal tee, reducer straight, reducing tee etc.
Working Pressure Pn10, Pn12.5, Pn16, Pn20
Executive standard GB/T 13663.3-2018, ISO 4427, EN 12201
Temperature Range -20°C ~ 40 °C
Application Gas Supply, Water Supply, Drainage, Sewerage Treatment, Mine And Slurry Pipelines, Irrigation, etc
Package Carton, Polybag, Color Box or Customized
OEM Available
Features Non-toxic, Green Initiaive, Environment Friendly, Corrosion Resistance, Light weight, Easy To Transport And Install, Lower Maintance Costs
Connect ElectroFusion Welding , Flanged Joint
OutPut Voltage  39.5 ±0.5V 
Advantage Light weight, Flexibility, Toughness, Chemically Inert, Resistance to Abrasion, Smooth surface, Environmental stress crack resistance, Corrosion resistance, Frost & rodent resistance, Hygienic safety, Easy & quick installation

Connection: Butt Welding
Shape: Equal
Head Code: Round
Angle: 90 Degree
Wall Thickness: STD
Material: PE
US$ 30/Piece
1 Piece(Min.Order)

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What Is a Coupling?

A coupling is a device used to connect two shafts. It transmits power between them and allows for some misalignment or end movement. There are several types of couplings. The most common ones are gear couplings and planetary couplings. However, there are many others as well.

Transfer of energy

Energy coupling is a process by which two biological reactions are linked by sharing energy. The energy released during one reaction can be used to drive the second. It is a very useful mechanism that synchronizes two biological systems. All cells have two types of reactions, exergonic and endergonic, and they are connected through energy coupling.
This process is important for a number of reasons. The first is that it allows the exchange of electrons and their energy. In a single molecule, this energy transfer involves the exchange of two electrons of different energy and spin. This exchange occurs because of the overlap interaction of two MOs.
Secondly, it is possible to achieve quadratic coupling. This is a phenomenon that occurs in circular membrane resonators when the system is statically deflected. This phenomenon has been gaining a great deal of interest as a mechanism for stronger coupling. If this mechanism is employed in a physical system, energy can be transferred on a nanometer scale.
The magnetic field is another important factor that affects the exchange of energy between semiconductor QWs. A strong magnetic field controls the strength of the coupling and the energy order of the exciton. The magnetic field can also influence the direction of polariton-mediated energy transfer. This mechanism is very promising for controlling the routing of excitation in a semiconductor.


Couplings play a variety of functions, including transferring power, compensating for misalignment, and absorbing shock. These functions depend on the type of shaft being coupled. There are four basic types: angular, parallel, and symmetrical. In many cases, coupling is necessary to accommodate misalignment.
Couplings are mechanical devices that join two rotating pieces of equipment. They are used to transfer power and allow for a small degree of end-to-end misalignment. This allows them to be used in many different applications, such as the transmission from the gearbox to the differential in an automobile. In addition, couplings can be used to transfer power to spindles.


There are two main types of couplings: rigid and flexible. Rigid couplings are designed to prevent relative motion between the two shafts and are suitable for applications where precise alignment is required. However, high stresses in the case of significant misalignment can cause early failure of the coupling. Flexible couplings, on the other hand, allow for misalignment and allow for torque transmission.
A software application may exhibit different types of coupling. The first type involves the use of data. This means that one module may use data from another module for its operation. A good example of data coupling is the inheritance of an object. In a software application, one module can use another module’s data and parameters.
Another type of coupling is a rigid sleeve coupling. This type of coupling has a pipe with a bore that is finished to a specified tolerance. The pipe contains two threaded holes for transmitting torque. The sleeve is secured by a gib head key. This type of coupling may be used in applications where a couple of shafts are close together.
Other types of coupling include common and external. Common coupling occurs when two modules share global data and communication protocols. This type of coupling can lead to uncontrollable error propagation and unforeseen side effects when changes are made to the system. External coupling, on the other hand, involves two modules sharing an external device interface or communication protocol. Both types of coupling involve a shared code structure and depend on the external modules or hardware.
Mechanical couplings are essential in power transmission. They connect rotating shafts and can either be rigid or flexible, depending on the accuracy required. These couplings are used in pumps, compressors, motors, and generators to transmit power and torque. In addition to transferring power, couplings can also prevent torque overload.


Different coupling styles are ideal for different applications, and they have different characteristics that influence the coupling’s reliability during operation. These characteristics include stiffness, misalignment capability, ease of installation and maintenance, inherent balance, and speed capability. Selecting the right coupling style for a particular application is essential to minimize performance problems and maximize utility.
It is important to know the requirements for the coupling you choose before you start shopping. A proper selection process takes into account several design criteria, including torque and rpm, acoustic signals, and environmental factors. Once you’ve identified these parameters, you can select the best coupling for the job.
A gear coupling provides a mechanical connection between two rotating shafts. These couplings use gear mesh to transmit torque and power between two shafts. They’re typically used on large industrial machines, but they can also be used in smaller motion control systems. In smaller systems, a zero-backlash coupling design is ideal.
Another type of coupling is the flange coupling. These are easy to manufacture. Their design is similar to a sleeve coupling. But unlike a sleeve coupling, a flange coupling features a keyway on one side and two threaded holes on the other. These couplings are used in medium-duty industrial applications.
Besides being useful for power transmission, couplings can also prevent machine vibration. If vibration occurs in a machine, it can cause it to deviate from its predetermined position, or damage the motor. Couplings, however, help prevent this by absorbing the vibration and shock and preventing damage to expensive parts.
Couplings are heavily used in the industrial machinery and electrical industries. They provide the necessary rotation mechanism required by machinery and other equipment. Coupling suppliers can help customers find the right coupling for a specific application.

Criteria for selecting a coupling

When selecting a coupling for a specific application, there are a number of different factors to consider. These factors vary greatly, as do operating conditions, so selecting the best coupling for your system can be challenging. Some of these factors include horsepower, torque, and speed. You also need to consider the size of the shafts and the geometry of the equipment. Space restrictions and maintenance and installation requirements should also be taken into account. Other considerations can be specific to your system, such as the need for reversing.
First, determine what size coupling you need. The coupling’s size should be able to handle the torque required by the application. In addition, determine the interface connection, such as straight or tapered keyed shafts. Some couplings also feature integral flange connections.
During the specification process, be sure to specify which materials the coupling will be made of. This is important because the material will dictate most of its performance characteristics. Most couplings are made of stainless steel or aluminum, but you can also find ones made of Delrin, titanium, or other engineering-grade materials.
One of the most important factors to consider when selecting a coupling is its torque capability. If the torque rating is not adequate, the coupling can be damaged or break easily. Torque is a major factor in coupling selection, but it is often underestimated. In order to ensure maximum coupling performance, you should also take into consideration the size of the shafts and hubs.
In some cases, a coupling will need lubrication throughout its lifecycle. It may need to be lubricated every six months or even once a year. But there are couplings available that require no lubrication at all. An RBI flexible coupling by CZPT is one such example. Using a coupling of this kind can immediately cut down your total cost of ownership.
China Hot selling DN25-800 HDPE 90 Degree Ef Elbow/Bend SDR11/Pn10 Termofusion Fitting/Tee/Coupling   cohesion and couplingChina Hot selling DN25-800 HDPE 90 Degree Ef Elbow/Bend SDR11/Pn10 Termofusion Fitting/Tee/Coupling   cohesion and coupling
editor by CX 2023-05-19