Os 10 principais fabricantes e marcas de selos mecânicos do mundo

Top 10 Mechanical Seal Manufacturers and Brands in the World

Mechanical seal

Top 10 Mechanical Seal Manufacturers

1. John Crane

Country: USA

Founded: 1917

About the company:

Founded in 1917, John Crane has more than 200 manufacturing facilities in 47 countries around the world. It is a leading designer, manufacturer and supplier of mechanical seal systems and related products, capable of meeting diverse mechanical seal demands.

In China, John Crane (Tianjin) Co., Ltd. was founded in 1988 as the holding company for John Crane International and the production base for its operations in the country. The company produces mechanical seal products that meet Chinese and international standards.

2. Burgmann Eagle

Country: Japan

About the company:

Eagleburgerman is an international supplier of advanced industrial sealing technology. Its comprehensive product line includes mechanical seals, auxiliary sealing systems, magnetic couplings, carbon floating seal rings, expansion joints, sealing gaskets, gasket seals and multi-directional services, ensuring stability and safety in various industrial applications.

Eagleburgerman's sealing technology is widely used in the global oil and gas industry, refineries, petrochemical industry, chemical industry, pharmaceutical, food processing, energy, water treatment, mining, papermaking, aerospace and other fields.

With a workforce of nearly 5,800 employees, the company is committed to providing customers with innovative concepts, excellent solutions and dedicated service, establishing Eagleburgerman as a trusted name in sealing technology. Its excellent quality, strong innovation and wide range of products applicable to diverse industrial processes and applications make it a leader in the sector.

Eagleburgerman offers a wide range of products, including mechanical seals, sealing auxiliary systems, magnetic couplings, carbon floating ring seals, expansion joints, sealing gaskets, packaging seals and various services.

As a joint venture between Germany's Kedebao Group and Japan's EKK Group, Eagleburgerman has access to all necessary resources, enabling strong cooperation between the company and its customers.

3. Flowserve

Country: USA

Founded: 1790

About the company:

Flowserve, founded more than 200 years ago, has established more than 300 offices worldwide, employs more than 17,500 people and maintains more than 180 rapid response centers to provide parts and after-sales services to its customers.

In addition to its broad service offering, Flowserve offers a broad range of products, including more than 100 pump models and a variety of valves and seals. Flowserve operates across several critical industries, including oil and gas, renewable energy, chemicals, power generation and water, providing flow control solutions that deliver, control and protect the flow of materials.

Leveraging its exceptional product line, engineering, project management and service expertise, Flowserve helps global customers address their most pressing flow control challenges. The company's portfolio of outstanding products, engineering and after-sales services enables customers to achieve tangible business results such as reduced operating costs, improved performance, longer equipment life, lower risk and increased productivity.

Flowserve remains committed to providing its global customers with high-quality flow control solutions that create a better world and benefit everyone.

4. SINOSEAL SAFETY

Country: China

Founded: 1978

About the company:

was founded in July 1978 as the Sealing Technology Research Institute of Sichuan Mechanical Research and Design Institute, one of the first units conducting sealing technology research in China.

The company, a domestic listed company with A shares in the mechanical seal industry (stock code: 300470), comprises four subsidiaries, including Youtec (Suzhou) Sealing Technology Co., Ltd., Dalian Huayang Sealing Co., Ltd., Sichuan Riji Seal Parts Co., Ltd. and Zigong Xindi Pell Valve Co., Ltd.

In December 2019, in line with its diversified and international development strategy, the company officially changed its name from “Sichuan Riji Seal Co., Ltd.” to “SINOSEAL Holding Co., Ltd.”

The company adheres to the business spirit of “responsibility, innovation, openness and farsightedness” and the business philosophy of “capturing the market with technology and retaining customers with services”. It remains steadfast in its commitment to developing the fence business, strengthening the “SINOSEAL Holding” brand, nurturing talent and innovating technology while following an international path.

Through this unwavering dedication, the company aims to create a “massive seal industrial cluster”, expand its product and service offering across the world, and ultimately become a world-class fluid equipment supplier.

5. Colossus

Country: China

Founded: 1988

About the company:

Established on August 15, 1988, Dandong Group Co., Ltd. is a private high-tech enterprise specializing in the production of mechanical seals, magnetic drive pumps, various couplings, welded metal bellows, liquid full flow screw machines steam, precision casting and other series of products. The company offers thousands of varieties, including 18 invention patents and 40 utility model patents.

The company's products are not only sold domestically, but also exported to more than 30 countries and regions such as the United States, Russia, Canada, the United Kingdom, Australia and Indonesia. These products are widely used in the fields of petroleum, chemical, metallurgy, mining, aerospace, pharmaceutical, papermaking, nuclear energy and other areas. The bellows mechanical seal and magnetic drive pump are listed as provincial high-tech industrialization projects and included in the Torch Plan.

Dandong Group Co., Ltd. has been recognized as a high-tech enterprise. Its R&D center has been identified as a provincial enterprise engineering technology research center in Liaoning Province. Furthermore, the company has the right to import and export operations granted by the Ministry of Foreign Trade and Economic Cooperation.

In 1996, the company obtained ISO9002 quality system certification. In 2007, it successfully acquired the ISO14,000 environmental management system and 18,000 occupational health and safety management system certifications. Furthermore, in the same year, the company obtained API SpecQ1-2003 quality management system certification from the American Petroleum Association.

The company is committed to using scientific and technological innovation as a guide, leveraging corporate culture as a carrier, and aiming to create a century-old company. It adheres to its beautiful traditions, strengthens business management and continuously stimulates the company's internal vitality. The company actively expands domestic and foreign markets, striving to promote the sustainable and stable development of the company and become a leading industrial enterprise in China and the world.

6. Yitong Seal

Country: China

Founded: 2004

About the company:

is dedicated to providing fluid sealing products for various rotating equipment, including compressors, pumps and turbines. Its main business involves research and development, design, production and sales of dry gas seals, mechanical seals, carbon ring seals and sealing auxiliary systems.

The company also offers customers technical services throughout the product life cycle, such as technical consultancy, training, online monitoring and fault diagnosis.

With an efficient R&D system, the company has the capacity for continuous innovation and the strength to develop innovative core technologies. It aims to resolve sealing issues that may affect the long-term safe operation of equipment for end users.

Through consistent investments in R&D, the company has gained experience in critical core technologies, covering R&D, design, manufacturing and testing of fluid seals, surpassing foreign competitors. Based on the characteristics of equipment in China's petrochemical and coal chemical industries, the company has adapted upgrades and expanded its range of applications accordingly.

After years of experience, the company has become an important driver of national innovation and the promotion of dry gas sealing technology applications.

Its products are widely used in various areas, including petrochemicals, coal chemicals, pipeline transportation, food, medicine, electricity, metallurgy and more. The company has successfully completed support services for several large-scale projects.

For many years, the company has been the main supplier of fluid sealing products for Sinopec, PetroChina and other large energy groups. The company's products provide a strong guarantee for the safe production and sustainable development of customers.

7. Ningbo FLK Technology

Country: China

Founded: 1998

About the company:

Hillman brand auxiliary sealing system is mainly used in API682 standard series solutions (SPS203, SPS5020, SPS6042, etc.). The product range includes liquid storage tanks, cyclone separators, heat exchangers and various monitoring instruments and switches that can be adapted to meet customer needs.

The company aims to provide customers with reliable product solutions to ensure mechanical seals operate in a safe, stable and reliable environment. Hillman brand mechanical seals have become the preferred choice of many users, employing advanced design concepts, applying new developments in materials research and development, and relying on the validation of numerous success stories.

Through advanced testing of manufacturing processes, a rigorous quality assurance system and rapid service support, Hillman brand products have characteristics such as high reliability, stability, durability and economy.

Ningbo FLK Technology Co., Ltd. is a professional enterprise focused on R&D and manufacturing of engineering ceramics using scientific management and high technology. The company is one of the leading producers of silicon carbide ceramic materials and products in China.

8. MY

Country: China

Founded: 1985

About the company:

Founded in 1985, Miyou Group Co., Ltd. is located in Kunshan high-tech development zone. In 2008, the State Administration of Industry and Commerce approved the establishment of Miyou Group Co., Ltd., with a registered capital of 210 million yuan and total assets of 480 million yuan.

The company is a high-tech enterprise specializing in the development and production of complete sets of powder equipment manufacturing, high-temperature circulating ammonia gas shield airflow crushing production lines, mixing integration and container sealing , lithium battery high temperature plating gold, nano lubrication mother liquor grease series products.

The company is dedicated to “harmonious communication and innovation.” They recognize that “product quality is the life of close friends” and are committed to the service principle of “test before purchase and guarantee customer satisfaction”. They aspire to become an exemplary equipment manufacturer in powder equipment manufacturing.

has established a comprehensive engineering equipment team integrating scheme, design, manufacturing, production, sales, installation, sales and service. They strive to provide better services for the industry and develop new safe, environmentally friendly and energy-saving products.

9. LANDTEC

Country: China

Founded: 1988

About the company:

Zhejiang LANDTEC Mechanical Seals Co., Ltd. was established in July 1988, with its headquarters located in Wenzhou, Zhejiang Province. The company provides customers with comprehensive solutions, including services, to deal with the extraordinary and challenging working conditions they encounter.

Its 360 employees are committed to helping customers achieve safe production. The company provides customized, durable and high-quality solutions for customers in the chemical industry, power generation, metallurgy, medicine, coal washing and other industries.

Its solutions include mechanical seals, sealing systems, filtration systems and other products, supported by a service network that extends across China. As human demand for energy and products continues to grow, customers must increase production while ensuring reliability, efficiency, stability, controllability and environmental protection.

At Zhejiang Lantian, we take responsibility to help our customers. We work closely with our customers, utilizing our professional technology, spirit of innovation, strict quality standards and responsible customer service to meet their needs for reliability, efficiency, stability and environmental protection.

Our development history in Zhejiang Lantian is marked by technological innovation with a focus on foresight. The company has two R&D centers in Tianjin and Beijing, which meet the growing needs of our customers and develop new sealing technologies and system technology.

To better meet our customers' product and service needs, we have established a business center in Shijiazhuang.

With nearly 30 years of development, Zhejiang Lantian has achieved an advanced position in the fields of FGD and slurry pumps. Additionally, we have made great progress in other areas such as chemical process pumps, reaction gold and more.

10. YH

Country: China

Founded: 1987

About the company:

was founded in 1987, its predecessor being Xi'an Xile (American EG&GSealol) Mechanical Seal Co., Ltd.

As a private high-tech enterprise, Xi'an Yonghua's main product is welded metal bellows mechanical seal. For many years, the company has leveraged its high-tech R&D strength to integrate resources and complement advantages, striving to accelerate its strategic transformation into a new transformative industry that is based on scientific and technological innovation and looks to the future.

At Xi'an Yonghua, we are committed to becoming an advanced international supplier and service provider of fluid mechanical sealing solutions. We are dedicated to revitalizing domestic industry and realizing China's dream of “building a strong country with intelligence”.

Xi'an Yonghua offers more than 2,800 specifications in 8 categories, including YH series welded metal bellows seal, spring seal, dry gas seal, nuclear power seal and more. They range from low-temperature series to high-temperature series, from single-ended to double-ended and series structure, and are suitable for various media and different operating environments. Xi'an Yonghua provides advanced fluid sealing solutions for a wide range of industries, including petroleum, chemical, chemical fiber, petroleum refining, textile, thermal power, nuclear power, papermaking, food, medicine and more.

The company's marketing service system covers major countries and regions in Europe, America, Asia and other places.

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