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Mar 12, 2020 12:01:39 PM | 3 Min Read

Why Are There 2 Notches in GIW Shaft Sleeve Gaskets?

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GIW Industries
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Gaskets-Screw-On

GIW-KSB_Logo_RGB_stack-small.jpgA gasket is just a gasket, right? It’s just a ring that sits next to the impeller.

So why do GIW Industries Inc. gaskets have notches in them?

The simple answer is that the notches allow the gasket to stay centered and fit snugly into the shaft threads. This fit is an essential feature because GIW recommends using not one, but two shaft sleeve gaskets to make the impeller easier to remove when it’s time for maintenance.

2-notches-resized
Gasket with
two notches
Gaskets-Screw-On
Notches allow gaskets to
screw onto shaft threads
Staggered-Gaskets-resized
Staggered Gaskets
Centered-Gaskets-resized
Centered Gaskets

Follow these steps to use the gasket notches effectively and make your maintenance job easier:

  1. Start with clean, dry gaskets. You may coat the shaft threads with anti-seize compound, but do not lubricate the gaskets.
  2. Always use two gaskets to ensure future impeller removal is easy. (Get tips for removing a stuck impeller here.)
  3. When threading the gaskets onto the shaft sleeve, change the starting position of the notches on the second gasket so the notches on the two gaskets don’t line up and leave a gap after they are fitted.

When your gaskets are installed properly, they will be neatly centered behind the shaft threads, ready for installation of the impeller.

contact-iconNot all gaskets are created equal. To ensure you’re using the right gasket for the job, contact the experts at GIW.

View all Blogs    Topics: Mining, GIW

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