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Rubber Gaskets

Rubber gasket is a common sealing element, usually made of rubber material. They are soft, elastic and corrosion-resistant and are widely used in various industries and fields.

The main function of rubber gaskets is to provide sealing at connections to prevent leakage of liquids, gases or other media. They are often used at the connections of equipment such as piping systems, valves, pumps and vessels to ensure sealing performance and prevent the entry of external impurities. Rubber gaskets are usually placed on flange connection surfaces or other connection parts to achieve sealing through pressure and deformation.

automotive gasket seal kit

Automotive gasket seal kit

Automotive gasket seal kits are an important automotive sealing element used to ensure effective sealing of various liquid and gas systems.

cushioning rubber pad gasket

cush lioning rubber pad gasket

Cush lioning rubber pad gasket are rubber products used for buffering and shock absorption in various mechanical equipment. They are commonly used in mechanical equipment, the automotive industry, electronic equipment, construction and industrial piping systems.

Cylinder Valve Cover Gaskets

Cylinder head cover gasket

Cylinder head cover gasket is a rubber sealing gasket used in car engines to maintain engine efficiency and prevent coolant and oil leaks. It forms a sealed contact between the cylinder head and cylinder block, preventing liquid, gas, and contaminants from entering the engine. Gaskets are essential for optimal functioning and must be regularly inspected and maintained. They are made of NBR material and meet international standards like ISO 9001, ASTM International, SAE International, and OEM specifications. The gasket ensures a tight seal, regulates pressure, blocks heat, reduces noise, and ensures efficient engine running.

Straight Water Dispenser Gasket

Straight water dispenser is an essential electrical appliance in the home and office, and its key component is the straight water dispenser gasket. By choosing the appropriate gasket, regular maintenance and timely replacement of worn gaskets, the service life of the straight water dispenser  can be extended, enjoy Clean, refreshing drinking water, while it plays a vital role in ensuring optimal performance and maintaining hygiene.

Cable Gland Connector Gasket

cable gland connector gasket

A cable gland connector gasket is a sealing device used in cable connectors to prevent liquids, gases, and contaminants from entering the connector. Common materials include EPDM rubber, which must meet national and industry standards. They have excellent sealing properties, excellent electrical insulation, and a long service life. They are cost-effective, easy to install, and have a decorative package design. They also have a buffer compensation function, anti-loosening and fixing effect, and a decorative appearance.

Steel Rubber Gaskets

Rubber Steel Gasket

Rubber steel gasket fits the flange surface. Its gaskets are suitable for natural gas, water and potable water applications. For example, in water companies and GRP (pipeline) systems. The seal is also widely used in petrochemical industry, pharmaceutical industry, steel mills, and power plants.

Gas Water Heater Pressure Two Ears Diaphragm

gas water heater pressure two ears diaphragm

The gas water heater pressure two ears diaphragm is a rubber-based component that regulates water pressure in gas water heaters. It senses changes in water pressure and adjusts by bending or distorting to stay within a safe range. It also acts as a safety precaution, restricting the flow of water when pressure rises over a safe threshold. The diaphragm has been certified in compliance with European, American, and Chinese requirements as well as international standards such as ISO 3821, ISO 9001, and ISO 14001. It is a dependable and easy-to-use item for gas water heaters to maintain a constant water pressure because of its flexibility and longevity.

XNBR rubber gaskets 2

XNBR rubber gasket

XNBR rubber gaskets are suitable for a variety of applications that require reliable sealing. Its excellent properties such as oil resistance, heat resistance and weather resistance make it one of the choices in demanding environments. When selecting and using, evaluation and selection should be based on specific application needs and working conditions.

Rubber Ring Gaskets

Rubber Ring Gasket

Rubber ring gasket is an important sealing material widely used in various industrial and mechanical fields. Its main function is to provide electrical isolation, thermal management and mechanical protection. Especially in the manufacture of new energy batteries, the rubber ring gasket plays a more prominent role.

Rubber Gasket (general shape)

A generally shaped rubber gasket is a rubber product of a specific shape and size that is typically used in filling, sealing, isolating or cushioning applications. They can be flat, round, square or various other shapes, designed and manufactured according to specific needs and application scenarios.

Rubber gaskets are usually made of rubber materials, such as styrene-butadiene rubber, nitrile rubber, ethylene-propylene rubber, etc. These rubber materials have good elasticity and durability. During the manufacturing process, rubber materials are typically processed into the desired shape and molded, extruded, or cut into shape.

 

1.Functions and applications

Sealing function

Rubber gaskets can fill and seal the gap between two or more objects, preventing the leakage or penetration of liquid, gas or dust. They are commonly used in sealing applications in pipes, valves, vessels and machinery.

 

Vibration isolation function

Rubber gaskets can reduce vibration transmission between mechanical equipment and structures, reducing the impact of noise and vibration on the surrounding environment. They are often used as vibration isolation pads for mechanical equipment, vibration isolation pads for building structures, etc.

 

Buffer function

Rubber gaskets can play a buffering and shock-absorbing role when mechanical equipment or structures are impacted or squeezed, protecting related components from damage. They are commonly used in automotive suspension systems, cushioning pads for industrial machinery, etc.

 

Insulation function

Certain rubber gaskets have good insulating properties and can stop the flow of electrical current and are used for insulation applications in electrical equipment and power systems.

 

Chemical resistance

Rubber gaskets usually have good chemical resistance and can maintain stable performance when exposed to corrosive media such as acids, alkalis, and solvents.

 

2.Common types

Flat gasket

Flat gaskets are the simplest and most common rubber gasket shapes, usually round, square or rectangular. They are used to fill the gap between two flat surfaces, providing a seal and leak-proof function.

 

O-ring

The O-ring is an annular rubber gasket with a circular cross-section. They are often used as static or dynamic sealing elements to fill circular or semi-circular grooves or gaps, providing a compression seal.

 

Square gasket

Square gaskets are rubber gaskets with a square cross-section, often used to fill square or rectangular gaps and provide sealing and shock-proof functions.

 

U-shaped gasket

U-shaped gasket is a rubber gasket with a U-shaped cross-section. It is often used to fill U-shaped grooves or pipe joints to provide sealing and buffering functions.

 

V-shaped gasket

V-shaped gasket is a rubber gasket with a V-shaped cross-section. It is often used to fill V-shaped grooves or pipe joints to provide sealing and anti-slip functions.

 

3.Physical properties

Density

Density is usually low, giving it lightweight characteristics.

 

Elasticity

Rubber gaskets have good elasticity and can quickly return to their original shape after being stressed.

 

Tensile Strength

Rubber gaskets have high tensile strength and can withstand a certain amount of tension.

 

Compression deformation

Rubber gaskets can undergo a certain degree of compression deformation when subjected to pressure to adapt to different sealing needs.

 

4.Chemical properties

Oil resistance

Rubber gaskets usually have good oil resistance and can maintain stable performance when exposed to oily media.

 

Solvent resistance

Rubber gaskets are resistant to common solvents to a certain extent.

 

Acid and alkali resistance

Rubber gaskets usually have a certain degree of acid and alkali resistance and can be used in a certain degree of acid and alkali media.

 

5.Mechanical behavior

Wear resistance

Rubber gaskets usually have good wear resistance and can maintain a long service life in friction and contact.

 

Anti-aging

Rubber gaskets resist natural aging, oxidation and the effects of UV rays, extending their service life.

 

6.Processing performance

Cutting performance

Rubber gaskets can be processed by cutting, stamping, molding, etc. to meet the needs of different shapes and sizes.

 

Molding performance

Rubber gaskets can be produced through molding processes such as extrusion and molding to obtain the desired shape and performance.

These physical, chemical, mechanical and processing performance characteristics make rubber gaskets one of the important materials widely used in sealing, vibration isolation, waterproofing, insulation and other fields. Specific performance will vary depending on factors such as the type, formulation and treatment of rubber materials.

 

7.Materials

Styrene-butadiene rubber (BR)

Styrene-butadiene rubber has good wear resistance, elasticity and tear resistance. It can still maintain good elasticity at low temperatures and is suitable for sealing applications in some low-temperature environments.

 

Nitrile rubber (NBR)

Nitrile rubber has excellent oil properties and wear resistance, as well as good corrosion resistance. It is widely used in hydraulic systems, automotive seals and other fields.

 

Ethylene propylene rubber (EPDM)

Ethylene-propylene rubber has good aging resistance, ozone resistance and weather resistance, and also has good acid and alkali resistance. It is widely used in automobile parts, building seals and other fields.

 

Neoprene (CR)

Neoprene has good oil resistance, solvent resistance and abrasion resistance, as well as good weather resistance. It is commonly used in rubber seals, conveyor belts and other fields.

 

Polyurethane rubber (PU)

Polyurethane rubber has excellent wear resistance, oil resistance and solvent resistance, and also has good tear resistance. It is widely used in blocking parts, seals and other fields.

 

8.Application areas

Auto industry

Rubber gaskets are widely used in automobile manufacturing and repair, such as engine seals, transmission system seals, suspension system seals, etc.

 

Mechanical engineering

Rubber gaskets play the role of sealing, vibration isolation and buffering in mechanical equipment, such as pumps, valves, pressure vessels, pipe connections, etc.

 

Construction project

Rubber gaskets are used in the construction field to fill and seal structural gaps, such as door and window sealing, roof waterproofing, extrusion strips, etc.

 

Chemical industry

Rubber gaskets play an important sealing role in chemical equipment, such as storage tanks, pipes, valves, etc.

 

Electric power industry

Rubber gaskets are used in power equipment and electrical components, such as transformers, insulation parts, cable joints, etc.

 

Pharmaceutical and food industry

Rubber gaskets are widely used in pharmaceutical and food processing, such as sealing containers, delivery systems, syringes, etc.

 

Medical instruments

Rubber gaskets are used for sealing and isolation in medical devices, such as syringes, infusion sets, etc.

 

Oil and gas industry

Rubber gaskets withstand high pressures and chemical media in oil and gas equipment such as pipes, valves, wellhead seals, etc.

These are just some common application areas, in fact rubber gaskets have a wide range of applications in various industries. The specific application depends on the gasket material, shape, size and performance requirements.

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