Kiln seals

Kiln seals

Hands off, self-adjusting, and shell runout compensating seals for rotary equipment

Leading supplier of Leaf type seals for Rotary kilns, Dryers and Coolers, has been successfully marketing the Superdeal® and Goodeal™ air seals since 1987. To date, there have been over 400 applications of these air seals worldwide, in a variety of Pyro Processing related applications.

Reduce power consumption

Lower maintenance costs

Increase process efficiency

Benefits
  • Self-adjusting and compensating for shell runout
  • Reduced Seal maintenance, results in lower operating costs
  • Can be retrofitted to all existing Rotary Kilns, Dryers and Coolers regardless of manufacturer or application
  • Greatly reduced air leakage compared to conventional seals
  • Reduced power consumption and increased process efficiency
  • Improved fuel efficiency 
  • Quick and easy to install, leading to lower maintenance costs
Benefits
Features
Features

A seal is essential at each end of a rotary unit to prevent ambient air from entering the process. Air leakage can have varying effects on different processes and a leaky seal may reduce efficiency, and create unsafe or unstable conditions.

Seals are damaged most by overheating or by physical abuse. Overheating can occur because of insufficient cooling by fans or by insulating them from natural cooling. Physical damage is done by not cleaning the seal discharge chute or by running the kiln too slow, causing spillback.

Each seal is designed for the kiln diameter, maximum runout, temperature, and pressure that it needs to isolate. 

Superdeal® and Goodeal™ Seals

Our markets and sells the patented Superdeal® and Goodeal™ leaf type seals.  They give an all-around performance with low maintenance in most rotary kiln systems. 

The Superdeal® seal has applications for rotary kilns, dryers and coolers. Because of its low leakage characteristics, it is cost effective for most applications. Increased fuel efficiency, reduced off gas volumes and environmental compliance requirements are typical considerations for selecting this seal.

The Goodeal™ seal is utilized for less demanding conditions - where some air leakage is acceptable or actually desirable for process performance.

Superdeal® and Goodeal™ Seals
Kiln seals - How it works
How it works?

The  Superdeal® consists of a dual layer of overlapping high strength spring steel leaves with ceramic fiber blankets between the layers.  The Goodeal™ consists of a single layer of overlapping high strength spring steel leaves.

The overlapping leaves form a seal while allowing the kiln to rotate freely. There are many different ways and reasons to arrange a rotary seal.  Both seals can be installed in a wide variety of configurations. The configuration on the left shows a standard radial seal configuration. Some other common configurations include:

  • Radial seal with stand off wear ring
  • Inward radial seal
  • Radial seal with air cooling
  • Double radial seal with purge gas
  • Axial seal
  • Inward axial seal
  • Inverted axial seal

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