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High-Performance Single Dry Mechanical Seal for Centrifugal Pumps Ensuring Reliable Leak-Free Operation

High-Performance Single Dry Mechanical Seal for Centrifugal Pumps Ensuring Reliable Leak-Free Operation

A Single Dry Mechanical Seal is designed specifically for all centrifugal pumps that are designed to handle a fluid or chemical consisting of water or oil. The seal is designed with robust sealing faces, materials that resist corrosion and a precise spring-loaded design to provide reliable prevention of leakage and smooth operation of the shaft over long service periods, in wide ranging applications in industry.
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Advantages of Single Dry Mechanical Seal

Reliable Leak Prevention

Ensures tight sealing under standard operating pressures, temperatures, and media types.

Corrosion and Wear Resistant

Sealing faces and metal components are made from materials like Silicon Carbide, Tungsten Carbide, 304/316 Stainless Steel, and Hastelloy for long-term durability.

Easy Installation & Maintenance

Standardized dimensions and component design allow quick assembly, inspection, and replacement.

Versatile Media Compatibility

Suitable for water, lubricating oil, fuel oil, weak acids, weak alkalis, and other general chemical media.

Single Dry Mechanical Seal

Application Scenarios

The single dry mechanical seal is widely used in many different industries, including Water Supply; Chemical Processing; Oil Transportation (Refining); Food & Pharmaceuticals for their Pumps. The Single Mechanical Seal provides a leak-free method of circulating cooling water through Cooling Towers and Fire Pump Systems and irrigation systems that utilize either water or non-corrosion media. 

  • Chemical Processing applications include weak acids, weak alkalis, and general chemical media with pH levels between 4 and 10, where there are a variety of materials available to manufacture the Mechanical Seal for Corrosion Resistant purposes. 
  • Oil Media Applications (Lubricating Oil and Fuel Systems) within Refineries and Power Plants use the Single Mechanical Seal to maintain Stability under High Temperatures. 
  • Food and Pharmaceutical Grade Mechanical Seals are designed and manufactured to comply with "Sanitary" standards, meaning that they will have been designed and manufactured to ensure that they do not have Dead Space, and they must be made of FDA Certified Materials to allow for easy cleaning and GMP Compliance. 

To achieve the longest possible service life for a Mechanical Seal, the correct Inspection and Preparation procedure must be used when pre-installing the Mechanical Seal, in addition to assembling correctly and performing Regular Maintenance to guarantee consistent Pump Performance across all applications mentioned above.

FAQ

What are the Primary Uses for a Single Mechanical Seal?

Silicon Carbide Mechanical Seals prevent Leakage from Centrifugal Pumps transporting liquids (water oils & chemicals) in the normal course of operation.
Depending upon the selection of the appropriate materials for the Sealing surfaces and Secondary Seal surfaces, they are capable of withstanding Corrosive conditions resulting from weak acids and weak alkalis, as well as operating under either Liquid or Oil-based Systems.
Silicon Carbide Mechanical Seal components meet the EN12756 standard and can therefore be installed easily, aligned properly and will withstand the rigours of Operation.
Routine maintenance should include inspection for Leakage, Vibration and Pump Part Wear.

Our Company

Conversation with the Founder

30

Sep

Conversation with the Founder

Discover how to extend mechanical seal life with insights from Jiangsu Golden Eagle's founder. Learn about liquid film stability, lubrication states, and advanced groove designs that reduce leakage and boost performance. Explore proven strategies for industrial applications.
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International Bio-Fermentation Exhibition

24

Oct

International Bio-Fermentation Exhibition

Discover how Jiangsu Golden Eagle showcased cutting-edge fluid machinery at the 2025 Jinan Bio-Fermentation Exhibition, driving innovation and industry collaboration. Learn more about our solutions.
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Precise Collaboration, Navigating New Frontiers

24

Oct

Precise Collaboration, Navigating New Frontiers

How cross-departmental teamwork drove success in a high-stakes mechanical seal project. Discover our proven process for on-time, precision delivery. Learn more now.
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The 9th China (Zibo) Chemical Technology and Equipment Exhibition

24

Oct

The 9th China (Zibo) Chemical Technology and Equipment Exhibition

Discover how Golden Eagle showcased cutting-edge chemical technology solutions at Zibo's premier industry event, earning acclaim and new partnerships. Learn more about our innovations in chemical, power, and petroleum sectors.
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What Our Customers Say

John
John

"Leakage is minimal and maintenance frequency has dropped significantly."

Alen
Alen

"Parts are of high quality and interchangeable, so all we need is standard tools and no special equipment to replace them quickly and easily."

Amy
Amy

"The seal continues to perform reliably when temperatures and pressures fluctuate in our chemical process pump."

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Why Choose Us

Why Choose Us

Jiangsu Golden Eagle Fluid Machinery Co. Ltd. is a leading global manufacturer of fluid sealing products, and one of China's earliest companies to engage in the mechanical seal industry. We have more than 50 years of manufacturing experience and full capability to supply our customers with a wide range of sealed products.

Jiangsu Golden Eagle's engineering team also provides complete engineering support from the initial design through the final installation, to ensure every customer has an efficient, secure, and easy-to-use sealing system.