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What’s Wrong with My Bearing Assembly?

Each day, GIW Industries, Inc., engineers work with our customers to solve problems associated with their pumps. One pump component we get a lot of questions about is the cartridge bearing assembly. We spoke to Jon Keith, GIW Product Manager, about three problems faced by..

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Topics: Mining, GIW, Oil Sands

How Do We Use the Affinity Laws?

The pump performance chart above is a graphical representation of performance for a particular pump. By using this chart, you can see the head, or pressure, that the pump produces at various flow rates and at different speeds. For example, at 560 RPM, the pump will produce..

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Topics: Mining, GIW, Oil Sands

How Did the GIW Snap-Ring Gasket Get Its Name?

On a GIW Industries, Inc., LSA or similar pump, a special gasket seals the joint between the suction liner and the pump casing. This gasket is a variation of a simple O-ring gasket, except it has a cross-sectional shape of a trapezoid. The exclusive design provides an..

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Topics: Mining, GIW, Oil Sands

Why Is Slurry Coming Out of My Stuffing Box?

One pump operator recently came to GIW Industries, Inc., with a startling but not unique problem: Slurry was leaking from the back of his stuffing box. We reached out to Technical Services Manager Kenny Meyer about stuffing box malfunctions, some potential consequences, and..

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Topics: Mining, GIW, Oil Sands

How Do I Stop Airlock from Happening?

 

When it comes to extracting materials from a slurry, the method of extraction can have as many consequences as it does advantages. In some processes, air is injected into the slurry, which separates the desired materials (such as ore) from the discardable liquid. Froth..

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Topics: Mining, GIW, Oil Sands

What’s the Difference Between Settling and Non-Settling Slurries?

 

When it comes to efficient slurry pumping, understanding how the solids within a slurry behave is very important. Depending on the particle size, distribution, concentration, and character of solids, the slurry can be either “settling” or “non-settling.” Non-settling..

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Topics: Mining, GIW, Oil Sands

Why Do Slurry Pumps Experience High Wear at Low Flow Rates?

 

If you’re an experienced slurry pump operator, you’re aware of some of the reasons for high rates of pump wear — which can negatively affect pump performance over time. Although slurry characteristics such as particle size and concentration may first come to mind, an..

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Topics: Mining, GIW, Oil Sands

How Can I Determine if My Bearing Assembly Requires Breathers?

 

If you own or have ever seen an older pump’s bearing assembly, you’re probably familiar with the old oil breather. If this is the case, you may be surprised or confused when you see a GIW® Minerals pump that doesn’t have one.

That’s because GIW bearing assemblies no longer..

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Topics: Mining, GIW, Oil Sands

What Do I Do with My White Iron Scraps?

 

It may be comforting to know that if your slurry pump breaks down, GIW Industries has your back. Our team of service techs can help you repair or replace your equipment. But what happens to the scrap that gets left behind?

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Topics: Mining, GIW, Oil Sands

How Does Slurry Cause Friction Losses?

 

On a day-to-day basis, slurry pump operators need to consider a range of critical factors, from particle size and flow rate to concentration and part wear. Among these is the phenomenon of pipe friction loss due to solids, which if not accounted for can affect the..

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Topics: Mining, GIW, Oil Sands

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