China Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40 coupling and cohesion

Merchandise Description


Alternative Kaeser Air Compressor Spare Coupling 5.3129.3 E40


Coupling is a device that connects 2 shafts or shafts and rotating elements, rotates with each other in the approach of transmitting movement and electricity, and does not disengage under regular circumstances. Occasionally it is also utilised as a protection device to avoid the connected components from getting subjected to abnormal load, and performs the function of overload security.

The composition of the coupling areas:

There are 2 types of couplings for screw air compressors: rubber pin kind and flexible (diaphragm kind) couplings.
one.The rubber pin coupling is made up of 2 50 % couplings, flywheel, transmission main and screws. The rubber push main of this kind of coupling is effortless to wear and use, which will lead to the equipment to move unevenly, which will have adverse consequences on the rotor, bearings, and shaft seals. At present, it is slowly changed by versatile couplings.
2.The flexible coupling is composed of 2 50 % couplings, connecting barrels, transmission gaskets and screws. The 2 50 percent-couplings of this coupling are tested for dynamic balance, and the relative positions are set during set up.

Solution Photos:

The software of screw air compressors is mostly elastic coupling, which is an important portion of the link between the screw air compressor motor and the host. It has the following:

one.Higher torque rigidity and superb sensitivity
two.Servicing-cost-free, oil-resistant and corrosion-resistant
three.The elastic motion compensates radial, angular and axial deviations
four.There are primarily 2 types of fixing strategies: jacking wire and clamping
5.The clockwise and counterclockwise rotation traits are precisely the exact same
six.Zero backlash, can run synchronously
7.There are aluminum alloy and stainless metal materials to pick from
8.A single-piece steel elastomer.

Coupling purpose:

It is utilized to connect 2 shafts together. The 2 shafts can’t be separated when the device is operating. The 2 shafts can be divided only after the machine is stopped and the connection is disassembled.

Varieties of Couplings:

The 2 shafts linked by the coupling, due to producing and set up mistakes, deformation after bearing and the impact of temperature adjustments, and many others., will result in modifications in the relative positions of the 2 shafts, which frequently can not assure rigid alignment. According to whether the coupling has elastic aspects, no matter whether it has the ability to compensate for different relative displacements, that is, no matter whether the coupling operate can be preserved under the condition of relative displacement and the goal of the coupling, the coupling can be divided into rigid couplings. Versatile couplings and security couplings.


Coupling efficiency needs:

one.Portability. The mobility of the coupling refers to the potential to compensate for the relative displacement of the 2 rotating parts. Elements these kinds of as production and set up problems amongst related factors, temperature changes throughout operation, and deformation beneath load all location needs on portability.
2.Buffering. For events the place regular load starts off or functioning load alterations, the coupling demands to have elastic elements for buffering and vibration damping to safeguard the primary mover and the functioning machine from becoming broken or not destroyed.
three.Secure, reliable, with adequate energy and support life.
4.Simple structure, effortless to assemble, disassemble and preserve.

 This is only a portion of the element quantities, numerous oil separator filters P/N are not detailed, in addition there are replacements filters for several other air compressor makes.

Company profile:

        Filters are portion of the air handling system and can supply the thoroughly clean compressed air needed to take away oil and impurities. It can be utilised not only in pneumatic programs and pneumatic tools, but also in food, pharmaceutical and other industries. 

       Now above one hundred,000 quality filters such as compressed air filters, Hydraulic Filters and full filter housing assemblies at wholesale discount rates. We provide OEM items as effectively as high quality replacements, engineered to specific OEM technical specs and confirmed to match the specific form, suit and purpose as the first equipment. 

      Our firm is fully commited to steady innovation and additional improvement to create, boost the effectiveness and productiveness of excellence, to achieve the maximum degree of reliability and performance.

Coupling Valves:


Packing and Supply :

Q: What is the online order minimum?
A: At present our online get least is 1 pcs.
Q: Do you market elements for motor pushed moveable air compressors also?
A: No, at this time we only carry components for electric motor driven stationary compressors.
Q: What makes do you carry parts for?
A: We handle substitution components for every significant air compressor manufacturer this kind of as Atlas Copco, Compair, Gardner Denver, Ingersoll Rand,  Kaeser, Quincy, Sullair, Worthington and several more. If you will not see your model listed, just give us a contact and we will attempt to support track down your part.
Q: How extended is your shipping and delivery time?
A: If there is inventory, the direct time is about 2 working days right after we get the payment. The particular delivery time depends on versions and the quantity of your order.



US $112-125
/ Piece
1 Piece

(Min. Order)


Customized: Customized
Standard Component: Standard Component
Material: Rubber
Category: Compressor Spare Parts
Part Number: 5.3129.3
Name: Coupling




Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40 Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40 Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40
US $112-125
/ Piece
1 Piece

(Min. Order)


Customized: Customized
Standard Component: Standard Component
Material: Rubber
Category: Compressor Spare Parts
Part Number: 5.3129.3
Name: Coupling




Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40 Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40 Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40

Types of Couplings

A coupling is a device used to join two shafts together and transmit power. Its purpose is to join rotating equipment while permitting a degree of end movement and misalignment. There are many types of couplings, and it is important to choose the right one for your application. Here are a few examples of couplings.


The mechanical coupling is an important component in power transmission systems. These couplings come in various forms and can be used in different types of applications. They can be flexible or rigid and operate in compression or shear. In some cases, they are permanently attached to the shaft, while in other cases, they are removable for service.
The simplest type of mechanical coupling is the sleeve coupling. It consists of a cylindrical sleeve with an internal diameter equal to the diameter of the shafts. The sleeve is connected to the shafts by a key that restricts their relative motion and prevents slippage. A few sleeve couplings also have threaded holes to prevent axial movement. This type of coupling is typically used for medium to light-duty torque.
Another type of mechanical coupling is a jaw coupling. It is used in motion control and general low-power transmission applications. This type of coupling does not require lubrication and is capable of accommodating angular misalignment. Unlike other types of couplings, the jaw coupling uses two hubs with intermeshing jaws. The jaw coupling’s spider is typically made of copper alloys. In addition, it is suitable for shock and vibration loads.
Mechanical couplings can be made from a variety of materials. One popular choice is rubber. The material can be natural or chloroprene. These materials are flexible and can tolerate slight misalignment.


Electrical coupling is the process in which a single electrical signal is transferred from a nerve cell to another. It occurs when electrical signals from two nerve cells interact with each other in a way similar to haptic transmission. This type of coupling can occur on its own or in combination with electrotonic coupling in gap junctions.
Electrical coupling is often associated with oscillatory behavior of neurons. The mechanism of electrical coupling is complex and is studied mathematically to understand its effect on oscillatory neuron networks. For example, electrical coupling can increase or decrease the frequency of an oscillator, depending on the state of the neuron coupled to it.
The site of coupling is usually the junction of opposing cell membranes. The cellular resistance and the coupling resistance are measured in voltage-clamp experiments. This type of coupling has a specific resistance of 100 O-cm. As a result, the coupling resistance varies with the frequency.
The authors of this study noted that electrotonic coupling depends on the ratio between the resistance of the nonjunctional membranes and the junctional membranes. The voltage attenuation technique helps reveal the differences in resistance and shunting through the intercellular medium. However, it is unclear whether electrotonic coupling is electrostatically mediated.
Electrical coupling has also been suggested to play a role in the intercellular transfer of information. There are many examples that support this theory. A message can be a distinct qualitative or quantitative signal, which results in a gradient in the cells. Although gap junctions are absent at many embryonic interaction sites, increasing evidence suggests a role in information transfer.


When it comes to choosing the right Flexible Coupling, there are several factors that you should take into account. Among these factors is the backlash that can be caused by the movement of the coupling. The reason for this problem is the fact that couplings that do not have anti-fungal properties can be easily infected by mold. The best way to avoid this is to pay attention to the moisture content of the area where you are installing the coupling. By following these guidelines, you can ensure the best possible installation.
To ensure that you are getting the most out of your flexible couplings, you must consider their characteristics and how easy they are to install, assemble, and maintain. You should also look for elements that are field-replaceable. Another important factor is the coupling’s torsional rigidity. It should also be able to handle reactionary loads caused by misalignment.
Flexible couplings come in many different types. There are diaphragm and spiral couplings. These couplings allow for axial motion, angular misalignment, and parallel offset. They have one-piece construction and are made from stainless steel or aluminum. These couplings also offer high torsional stiffness, which is beneficial for applications requiring high torques.
Flexible couplings have several advantages over their rigid counterparts. They are designed to handle misalignments of up to seven degrees and 0.025 inches. These characteristics are important in motion control applications. Flexible couplings are also inexpensive, and they do not require maintenance.


A beam coupling is a type of mechanical coupling, usually one solid piece, that connects two mechanical parts. Its performance is largely determined by the material used. Typical materials include stainless steel, aluminum, Delrin, and titanium. The beam coupling is rated for different speeds and torques. The coupling should be selected according to the application. In addition to the material, the application should also consider the speed and torque of the system.
There are two main types of beam couplings. The first is the helical beam coupling, which has a continuous multi spiral cut. This type of coupling offers a high degree of flexibility and compensates for a high degree of misalignment. The second type of beam coupling is the helical shaft coupling, which has a low torsional stiffness, which makes it ideal for small torque applications.
Another type of beam coupling is the multiple beam design, which combines two beams. It allows for more tolerance in manufacturing and installation and protects expensive components from excessive bearing loads. It also helps keep beams shorter than a single beam coupling. This type of coupling also enables a higher torque capacity and torsional stiffness.
Beam couplings can be manufactured with different materials, including stainless steel and aluminum. The “A” series is available in aluminum and stainless steel and is ideal for general-purpose and light-duty applications. It is also economical and durable. This type of coupling can also be used with low torque pumps or encoder/resolver systems.

Pin & bush

The Pin & bush coupling is a versatile, general-purpose coupling with high tensile bolts and rubber bushes. It can tolerate a wide range of operating temperatures and is suitable for use in oil and water-resistance applications. Its unique design enables it to be used in either direction. In addition, it requires no lubrication.
The pin bush coupling is a fail-safe coupling with a long service life and is used for high-torque applications. It provides torsional flexibility and dampens shocks, making it a flexible coupling that protects equipment and reduces maintenance costs. Its hubs are forged from graded cast iron for strength and durability. Besides, the coupling’s elastomer elements reduce vibration and impact loads. It also accommodates a misalignment of up to 0.5 degrees.
Pin & bush couplings are a popular choice for a variety of different applications. This coupling features a protective flange design that protects the coupling flange from wear and tear. The coupling nut is secured to one flange, while a rubber or leather bush sits between the other flange. Its unique design makes it ideal for use in applications where misalignment is a small factor. The rubber bushing also helps absorb vibration and shock.

Mesh tooth

Mesh tooth couplings are used to transfer torque between two shafts and reduce backlash. However, mesh tooth couplings have some limitations. One disadvantage is the break-away friction factor in the axial direction. This problem is caused by the high contact force between the tooth and gear mesh. This can cause unpredictable forces on the shafts.
In this paper, we present a FEM model for mesh tooth coupling. We first validate the mesh density. To do so, we compute the bolt stress as a uniaxial tensile during the tightening process. We used different mesh sizes and mesh density to validate our results.
The mesh stiffness of gear pairs is influenced by lead crown relief and misalignment. For example, if one tooth is positioned too far in the axis, the mesh stiffness will be decreased. A misaligned gear pair will lose torque capacity. A mesh tooth coupling can be lubricated with oil.
An ideal mesh tooth coupling has no gaps between the teeth, which reduces the risk of uneven wear. The coupling’s quality exposed fasteners include SAE Grade 5 bolts. It also offers corrosion resistance. The couplings are compatible with industrial environments. They also eliminate the need for selective assembly in sleeve couplings.
China Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40     coupling and cohesionChina Replacement Kaeser Air Compressor Spare Coupling 5.3129.3 E40     coupling and cohesion
editor by czh 2022-12-28

China Coupling Co., Ltd.

Mail: [email protected]

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