China wholesaler Gr38, Gr42, Gr48, Gr55, Gr65, Gr75, Gr90, Gr100, Gr110, Gr125 Coupling Rubber coupling agent

Product Description

Product Description

Product Features
Product Name Eastic buffer
Material NBR/Silicone/Nitrile/Fluroine/EPDM/FKM
Hardness 25 shore A-90 shore A
Colour Black,Blue,Red or any other Pantone Colour
Production Process Get the Drawing–Open the Mould–Produce the Sample-Send Sample to customer for confirmation–Book the order and arrange
payment-Mass Production for the order–Cut and inspect the goods-packing and arrange shipment.
Delivery Time sample delivery time 10-15 workdays,mass order normally 15-18 workdays

Detailed Photos


Company Profile

HangZhou Weiwo Mechanical Parts Co., Ltd.

specializing in the production of advanced quality sealing equipment, production and sales of full series of  plastic seals and  rubber seals, as well as high quality engineering plastic parts, processing customized shaped non-standard products.The main products are PTFE flanging lip framework oil seal, flanging lip type oil seal, pan plug seal, kelai ring, stern seal, dust seal, AQ seal, high pressure rotating oil seal, baffle ring, ring, O ring, Y ring, Y ring, U ring, lei ring, V ring, washer, dustproof ring, wear-resistant belt, etc.Fluoroplastic seals, are made of high quality PTFE resin, its prominent advantages are: very low friction resistance, no crawling, good self-lubrication performance, in the absence of lubrication can still work normally.The chemical and physical properties of the material are very stable, with excellent corrosion resistance and outstanding non-viscosity.Working temperature range up to 60 ºC ~ + 250 ºC.At the same time, with excellent dynamic and static sealing characteristics, good wear resistance, long service life.



1. who are we?
We are based in ZheJiang , China, start from 2016,sell to South Asia(20.00%),North America(10.00%),Mid East(10.00%),Southeast Asia(10.00%),Northern Europe(10.00%),South America(10.00%),Central America(5.00%),Eastern Europe(5.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
oil seal,rubber parts,sealing element,mechanical parts,o ring

4. why should you buy from us not from other suppliers?
Our factory is a professional oil seal manufacturer. We aim to produce the highest quality of oil seals and export around the world. After years of efforts, we have accumulated more experience and knowledge. Our main product , oil seals with fabric,ect

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese

Shipping Cost:

Estimated freight per unit.

To be negotiated
Standard: GB
Material: NBR PU
Connection: Coupler
US$ 5/Piece
1 Piece(Min.Order)


Order Sample



Customized Request


What Is a Coupling?

A coupling is a device that connects two shafts together. It transmits power from one to the other and is used to join rotating equipment. It can also allow for some degree of misalignment and end movement. It is used in mechanical engineering and manufacturing. To learn more about couplings, read this article.
Mechanical connection between two objectsThe present invention relates to a method and assembly for forming a mechanical connection between two objects. The methods of this invention are suitable for connecting both solid and hollow objects. For example, the method can be used to make mechanical connections between two cylinders. This method is particularly useful for connecting two cylinders that are positioned near each other.

Absorbs vibration

A coupling insert is a part of a vehicle’s drivetrain that absorbs vibrations. These inserts are designed to prevent couplings from moving out of phase. However, the coupling inserts themselves can wear out and need to be replaced. Universal joints are an alternative if the coupling is out of phase by more than one degree. In addition, internal bearings in the coupling need to be lubricated and replaced when they begin to show signs of wear.
Another embodiment of the invention includes a flexible coupling 25 that includes rearwardly-extending lugs that extend toward the coupling member 23. These lugs interdigitate with corresponding lugs on the coupling member 23. They are spaced circumferentially. A first elastic member 28 is interposed between lugs 26 and 27, and is adapted to yield in a counterclockwise direction. As a result, it absorbs torsional vibrations.

Blocks heat transfer

Thermal coupling occurs when a solid block is thermally coupled to the air or fluid passing through it. The amount of heat transferred through a solid block depends on the heat transfer coefficients of the materials. This paper presents a numerical model to understand how heat transfers through different block materials. This work also describes the thermal resistance network for a one-dimensional block.
In some cases, thermal coupling increases the heat transfer mechanism. As illustrated in FIG. 1D, a heatpipe coupler 112 couples two heatpipes 110-1 and 110-2. This configuration allows the pipes to be coupled to the heat source and to the condenser. In addition, the heat pipe couplers may have bellows at the ends to help facilitate linear motion.
Thermal coupling is achieved by ensuring that at least one block is made of a material with a lower thermal expansion coefficient than the annulus. Ideally, the block’s mean thermal expansion coefficient is at least twenty percent lower than the annulus’s mean thermal expansion coefficient. This ensures that the thermal coupling between the two parts is as efficient as possible.
Another type of thermal coupling is achieved by using flexible elements. These are often washers or springs. These components allow the blocks to maintain physical contact with the post 55, which means that the heat transfer is more efficient even at higher temperatures. The flexibility of these elements also makes it possible to choose an element that will not impede assembly.

Protects rotating equipment

A reliable, long-lasting coupling system can reduce the risk of damage to rotating equipment. Designed to protect against torque overload and wear, Voith torque-limiting couplings provide outstanding safety and reliability. As a result, they can deliver maximum performance and minimize equipment downtime. In addition to their long-term benefits, these solutions are ideal for applications where safety and reliability are of paramount importance.
A good coupling provides many advantages, including the ability to transmit power, compensate for axial movement, and absorb shock. It is essential to choose the proper coupling for your application based on the basic conditions of your rotating equipment. For example, if you have two shafts with parallel rotation axes, you should choose a parallel coupling. Otherwise, you should use an angular coupling.
Torque-limiting couplings can also provide protection for rotating equipment by disengaging at a specific torque level. This protects the drive shaft from undergoing catastrophic failure. Torque limiters are particularly helpful for high-value equipment. By preventing catastrophic failure, you can avoid expensive repairs and minimize equipment downtime.
Coupling guards are easy to install and provide effective protection for rotating equipment. These covers are made of sheet metal bent to fit over the shaft. They are durable and easy to remove when necessary. This type of guard can prevent employees from catching their hands, tools, or loose clothing on motor coupling components.
China wholesaler Gr38, Gr42, Gr48, Gr55, Gr65, Gr75, Gr90, Gr100, Gr110, Gr125 Coupling Rubber   coupling agentChina wholesaler Gr38, Gr42, Gr48, Gr55, Gr65, Gr75, Gr90, Gr100, Gr110, Gr125 Coupling Rubber   coupling agent
editor by CX 2023-04-17

As one of leading flexible disc coupling manufacturers, suppliers and exporters of mechanical products, We offer flexible-disc-coupling and many other products.

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