Double Mechanical Seal Centrifugal Pump

Double Mechanical Seal Centrifugal Pump | 50+ Years Expertise

Double Mechanical Seal for Centrifugal Pump Applications in Industrial Processes

The double mechanical seal centrifugal pump design is used extensively in industrial pump systems requiring high sealing reliability in comparison to the single-seal design. The double mechanical seal arrangement permits operation using an intermediate gas or liquid to facilitate the management of transient heat and pressure fluctuations as well as the presence of minor contaminants.

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Advantages of Double Mechanical Seal for Centrifugal Pump

More Reliable Pumping

By decreasing the impact of surrounding circumstances on mechanical sealing faces, double acting seals can help maintain stable operations of pumps for long periods of time.

Less Chance of Leakage into the Environment

Adding an additional barrier creates another point for keeping products from leaking into the environment; and is especially important in places where there are more stringent controls on leakage.

Can be Used with Conventional Pump Designs

Because they are engineered to fit standard centrifugal seals, double acting mechanical seals can make the installation process much simpler.

Application Scenarios

Double mechanical seals centrifugal pump have broad applications in centrifugal pumps, especially for applications where the conditions of operation exceed the typical use of water, or for neutral process fluids, in addition to pumping oil, lubrication, chemicals and/or other liquids in process applications (where possible combinations may include weak acids and bases).

The most common applications of double seal pumps will be:

Chemical Centrifugal Pumps used for handling weak acids, alkali or mixed process fluids
Oil and Lubrication Systems with leakage detection & controls, and monitoring of seal face temperature.
Pump Circulation and Transfer Systems with moderate, continuous pressures.
Pumping Systems with a heightened safety and cleanliness expectation, such as Closed Loop Industrial Applications.

The double seal configuration permits the interstage seal face to completely separate the pumped medium from the exterior environment, thus resulting in increased reliability for the long-term operation of a centrifugal pump.

FAQ

Is a double seal commonly used in centrifugal pumps?

Yes, double acting mechanical seals are being widely used in centrifugal pumps when pumping corrosive liquids and crude oil, or where the pump is going to operate continuously.

Will the efficiency of the pump be affected by the use of a double seal?

Unless improperly selected or not properly maintained, the effect on efficiency will usually be small.

Will pumps equipped with double seals require more maintenance than single seal pumps?

Although the need for more routine inspections and maintenance will usually be greater than with single seal design pumps, these activities can generally be performed by routine technicians without much difficulty.

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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.

What Our Customers Say

Paul D

"The installation of a double mechanical seal has greatly reduced the number of leakage complaints we receive."

Rachel

"After proper installation, our mechanical seals have maintained a stable performance over multiple shifts."

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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.