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Reliable Balanced Mechanical Seal Solutions for Pumps Operating Under Higher Pressure

Reliable Balanced Mechanical Seal Solutions for Pumps Operating Under Higher Pressure

Balanced mechanical seal can be utilized to minimize the hydraulic load on a seal face. Therefore, mechanical seals that maintain balance may be used with pumps that will operate at pressures greater than that for normal operation. The design of the balanced mechanical seals reduces the hydraulic load on the sealing faces and improves the stability of the sealing arrangement for a given pump,thereby reducing the wear on the sealing face and on the pump shaft, provided that the pump is used within the operating range of the pump.
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Advantages of Balanced Mechanical Seal

The Choices Provide For A Balanced/Unbalanced Condition

The choice to balance with through 60B(F) or unbalance by means of 60AD(f).

Wave Spring By Design

Constant load on face of seal in varied operating states, depends on wave spring type.

Mounted Circlip On Stationary Ring

Increased Axial Stability by circlip mounted on stationary ring.

Modular Design

Design flexibility without changing installation dimensions.

Balanced Mechanical Seal

Application Areas

Balanced mechanical seals are used extensively within the chemical and power generation industries, as well as a wide variety of general industrial applications.

1. Pump Systems
Mechanical seals are used extensively within industrial pump systems to limit the amount of leakage at the pump shaft and to ensure continued reliable operation during continuous or cyclic service.
These type of applications utilize a mechanical robot seal installed between the rotating shaft of the pump and the stationary housing to maintain the integrity of the seal regardless of the pressure, temperature, or starting/stopping cycles. 

2. High Demand Operating Conditions
Mechanical seals are selected to help provide reliable sealing under elevated pressure, high shaft speed and long duty cycles. They also help provide continuity of seal performance as well as to ensure the continued dependability of the unit over the long term.

3. Standardized and Engineered Applications
In industrial facilities where mechanical seals must conform to either established industry standards or engineered seal plans, they are incorporated into integrated designs of the pump and seal combination rather than using them as separate entities.

4. Centrifugal and Water Pump Applications
Mechanical seals are widely used for use with both centrifugal pumps and water pumps that are being used with clean source or lightly contaminated source fluids. In both cases, mechanical seals allow the user to have confidence in the reliability of the seal while providing an ease of installation and maintenance. 

5. Maintenance, Replacement and Service Oriented Applications
Mechanical seals are utilized in both replacement and retrofit applications where the compatibility of the mechanical seal with the existing pump system is critical and the ease of serviceability is critical.

In such applications, mechanical seals enhance continuous pump operation through the reduction of leak risks and providing users with longer intervals between maintenance tasks that support continued performance of the pump.

FAQ

What's the difference between balance and unbalance seals?

Balance seals can withstand much higher pressures while unbalance seals can only operate under standard types of applications.
Yes. All moving and stationary parts can be swapped between parts.
No. The installation trigger dimensions do not change regardless of the spring type used.
Only with F' variants that incorporate a pumping spiral.

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What Our Customers Say

Paul
Paul

"The seal balance decreases the contact wear on the pump's face."

Rachel
Rachel

"The spring design allows to accommodate loads with no degradation."

Stephanie L
Stephanie L

"It is simple to use but very effective."

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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.