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Rubber Seal Gasket

Rubber gaskets are gaskets suitable for a wide range of needs. They are vulcanized with polymers, various additives, fillers, and pigments to form a complete rubber. They have good elasticity and can be used with very low tightening force. It has an effective sealing effect under low temperature and low-pressure conditions and will not split when removed from the flange surface. A good sealing effect can also be achieved for uneven and damaged flange surfaces. Since the provincial military zone glue has very strong expansion permeability, it can form a very effective sealing effect against the passage of gas and fluid.

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  • Rubber Seal Gasket
  • Rubber Seal Gasket
  • Rubber Seal Gasket
  • Rubber Seal Gasket

The Rubber Seal Gasket acts as a critical mechanical seal used to fill the space between two or more mating surfaces, effectively preventing leakage from or into the joined objects while under compression. These gaskets are manufactured from high-grade elastomeric compounds designed to maintain structural integrity under specific compressive loads and environmental conditions.

Available in various polymers such as NBR (Nitrile), EPDM, Viton (FKM), and Neoprene, these non-metallic sealing components are engineered to provide fluid containment and pressure resistance across diverse industrial assemblies. The material selection process typically depends on the chemical compatibility, temperature range, and mechanical stress requirements of the specific application.

Technical Parameter Matrix

Property Material Type: NBR Material Type: EPDM Material Type: FKM (Viton)
Hardness (Shore A) 60 - 80 50 - 85 65 - 90
Temperature Range (°C) -20 to +110 -40 to +150 -20 to +250
Tensile Strength (MPa) ≥ 10 ≥ 8 ≥ 12
Compression Set (24h/100°C) ≤ 25% ≤ 20% ≤ 15%
Chemical Resistance Oils, Fuels, Greases Steam, UV, Ozone Acids, Bases, High Heat

Key Functional Features

  • Low Gas Permeability: Specifically designed to minimize the diffusion of gases through the seal interface in vacuum or pressurized systems.
  • Dynamic Sealing Capability: Maintains elastic recovery after repeated mechanical cycles, ensuring long-term flange sealing efficiency.
  • Dimensional Stability: Precision-cut or molded to exact tolerances to ensure a precise fit in ASME B16.21 or DIN flange configurations.
  • Aging Resistance: Formulated with antioxidants and antiozonants to mitigate degradation caused by environmental exposure in outdoor industrial settings.

Industrial Applications

Our rubber gaskets serve as essential components in fluid power systems, petrochemical processing, and water treatment facilities. They are frequently utilized as pipe flange gaskets, heat exchanger seals, and pump housing gaskets. Due to their versatility, they are common in the shipping, power generation, and machinery manufacturing sectors where vibration isolation and leak prevention are mandatory.

Frequently Asked Questions

How do I select the correct rubber material for chemical-resistant sealing applications?

Material selection must be based on the chemical compatibility of the medium, the operating temperature, and the system pressure. For instance, NBR is suitable for hydrocarbon-based oils, whereas EPDM is required for weather resistance and steam applications. Jiangsu Jintai Sealing Technology Co., Ltd., founded in 2004 in Taixing, Jiangsu Province, leverages years of scientific experiments to assist clients in this selection process. Our high-end brand, Nofstein, focuses on providing technical sealing solutions using advanced manufacturing processes to adapt to changing market needs and improve product performance under rigorous conditions.

What quality certifications should industrial rubber gaskets meet for international projects?

Standardized gaskets should undergo rigorous testing for physical properties and environmental safety. Products from Jiangsu Jintai Sealing Technology Co., Ltd. have achieved the CCS classification society quality system identification and passed the CiT test for environmental protection, as well as the national nonmetal test. As a large comprehensive sealing technology enterprise specializing in environment-friendly asbestos-free gaskets and specialized rubber materials, we have maintained a complete quality management system since our industrial park was put into production in 2013. This ensures our products meet the technical requirements for major projects in Eastern Europe, Southeast Asia, and Africa.

Can custom rubber gaskets be manufactured for specific pneumatic or hydraulic systems?

Yes, customized dimensions and material formulations are essential for specialized pneumatic and hydraulic systems. Jiangsu Jintai Sealing Technology Co., Ltd. specializes in researching and manufacturing various types of seals and parts insulation materials. By cooperating with foreign well-known brands such as Garlock, Flexitallic, and Novus, we integrate global technical standards into our production. Our professional foreign trade group and engineering team are equipped to undertake major projects, providing bespoke rubber gaskets that adhere to sound quality management manuals and monitoring systems.

Specifications

Model

Material code

Material type

Hardness

Use occasions

 

NBR

Nit rie

80

Hydraulic oil, glycol, and oil in water-sensitive emulsions, inorganic and vegetable oils, hot water, fuel, petroleum, dilute acid, alkali, and low-temperature salt solutions, silicone oil, and grease

 

SBR

Shyrene Butaciene

80

Hot water, oxygen, water, mechanical oil, animal and vegetable oil, fireproof hydraulic fluid, dilute salt solution, ozone, etc.

 

CR

Necorene

70

Saltwater, ordinary refrigerant, carbon dioxide, non-oxidizing acid release, alkali, etc.

 

EPDM

Etnylene Propylendene

80

Water, alcohol, hexylene glycol, ketone, silicone oil and grease, weak acid, etc.

 

FKM

Vton

75

Thermal oil, aromatic solvents, chemicals, vegetable oils and greases, natural gas, vinyl materials (including alcohol), high vacuum, steam, oxygen extraction, hot water, dilute acid, etc.

 

SI

Silicone

70

Hot air, oxygen, water, machinery and transmission oil, animal and vegetable oils and greases, non-petroleum brake oil, fire pressure fluid, dilute salt solution, ozone, etc.

 

IIR

Butyl

80

Hot water, grease, acid, alkali solution, electrode solvent, ozone, salt solution, etc.

 

NR

Natural Rubber

65

Inorganic salts, ammonia, weak acids and bases, etc.

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Jiangsu Jintai Sealing Technology Co., Ltd.
Jiangsu Jintai Sealing Technology Co., Ltd.
Jiangsu Jintai Sealing Technology Co., Ltd. is China Rubber Seal Gasket Manufacturers and Wholesale Rubber Seal Gasket Factory, we are a large comprehensive sealing technology enterprise, we specialize in researching, manufacturing and selling various types of seals, environment-friendly asbestos-free gaskets, specialized rubber material products and parts insulation materials for pneumatic and hydraulic systems. Moreover, we have formed a complete set with many industries such as shipping, power, iron and steel, chemistry, and machinery for many successive years.
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Rubber Seal Gasket Industry knowledge

Exploring the Wonders of Rubber Sealing Gaskets: A Quest for Industry-Leading Solutions?

In the modern industrial field, the importance of sealing technology is self-evident. Whether it is precision mechanical equipment or a large industrial system, effective sealing is the key to ensure the normal operation of the equipment, prevent media leakage, protect personnel safety and protect the environment from pollution. Among the many sealing components, rubber seal gaskets have become the leader in the field of industrial sealing with their unique performance and wide application fields. Jiangsu Jintai Sealing Technology Co., Ltd., as a leader in this field, focuses on the research and development, production and sales of rubber seal gaskets, and is committed to providing high-quality and high-performance sealing solutions to customers around the world.

Rubber seal gaskets are sealing components made of rubber as the main material. Its unique elastic properties enable it to show excellent sealing effects in the face of different pressures, temperatures and media environments. Compared with metal gaskets, rubber gaskets have lower fastening force requirements, which means that damage to the flange surface can be reduced during installation, while reducing installation difficulty and cost. In addition, the good compression resilience and adaptability of rubber materials to irregular surfaces enable effective sealing even on uneven or slightly damaged flange surfaces, greatly improving the reliability and safety of the system.

Jiangsu Jintai Sealing Technology Co., Ltd. is well aware of the diversity of industry differences in the performance requirements of sealing gaskets. Therefore, we are committed to providing customized sealing gasket solutions. Whether it is the shipbuilding, power, steel, chemical or machinery industries, we can select the most suitable rubber material according to the specific needs of customers, such as the chemical properties of the medium, operating temperature, pressure range, etc., and combine advanced production processes to produce standard sealing gaskets. This highly customized service model not only improves the applicability of the product, but also saves customers valuable time and cost.

While pursuing efficient sealing, Jintai Sealing Technology does not forget its responsibility to the environment. We are well aware of the environmental pollution and health risks that traditional asbestos gaskets may bring during production and use. Therefore, we actively promote environmentally friendly asbestos-free gaskets. This type of gasket not only retains the excellent performance of traditional asbestos gaskets, such as high temperature resistance and corrosion resistance, but also completely eliminates the harm of asbestos fibers to the human body, and meets international environmental standards and safety requirements. Jintai Sealing Technology's efforts in this field are not only responsible for the health of customers, but also a commitment to the future of the earth.

As a large-scale comprehensive sealing technology enterprise, Jintai Sealing Technology has always regarded technological innovation as the core driving force for the development of the enterprise. We have a research and development team composed of industry experts and technical backbones, and we are constantly exploring and practicing in material science, manufacturing processes, product design and other aspects. By introducing international advanced technology and equipment, combined with independent research and development results, we have successfully developed a series of rubber seal gasket products with independent intellectual property rights, which not only improves the performance and quality of the products, but also promotes the technological progress and industrial upgrading of the entire sealing industry.

In this industrial age, every progress in sealing technology embodies the crystallization of human wisdom. Jiangsu Jintai Sealing Technology Co., Ltd. will continue to uphold the corporate philosophy of "innovation, quality, and service", be guided by customer needs, and use technological innovation as a driving force to continuously promote the development and application of rubber seal gasket technology, and contribute to the safe and efficient operation of the global industry. We believe that in the days to come, Jintai Sealing Technology will join hands with more partners to jointly open a new chapter in sealing technology, so that the flower of industry can bloom brilliantly in a safer and more environmentally friendly environment.