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Pump Fundamentals Blog

Can a Slurry Pump Really “Snore?”

Pump “snoring” or “snore state” refers to a pump’s continuous operation despite the absence of liquid. Many pumping operations have collection tanks designed to capture runoff or wash-down liquid and solids. A pump is used to remove that slurry before it overflows into the..

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Topics: Mining, GIW, Oil Sands

Understanding the Practice of Pumping Through

In general, the practice of “pumping through” an idle pump should be avoided. Energy is wasted and the wetted parts of the pump will still wear out, in some cases faster than a normally operating pump, due to the undesirable flow patterns caused by pumping through. In cases..

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Topics: Mining, GIW, Oil Sands

5 Reasons to Attend the GIW Slurry Course

At GIW, we are committed to going the extra mile when it comes to sharing our pumping expertise with customers and industry professionals. That’s why, for more than 40 years, we have hosted training courses on topics in slurry transport and pump maintenance. Our intensive..

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Topics: Mining, GIW, Oil Sands

How Can We Avoid Clogging Our Vertical Pipelines?

This question is surprisingly common. Most people think of pipelines as running horizontally, but many GIW Industries, Inc. customers who pump ore need to move their material from the ground floor up three or four stories to a cyclone or other process operation.

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Topics: Mining, GIW, Oil Sands

How Do I Properly Change Packing?

Every good pump operator understands the importance of a functional and regularly maintained stuffing box. When working properly, the stuffing box separates rotating and non-rotating parts within the pump shaft and prevents slurry leakage. Less commonly understood, however,..

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Topics: Mining, GIW, Oil Sands

Why Are We Seeing Cracks in Our Impeller and Suction Liner?

Q: We're seeing the appearance of small cracks in our suction liner and impeller. The wear is unusual and seems premature. What's going on?

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Topics: Mining, GIW, Oil Sands

What Does LSA Stand For?

What question does GIW hear most often from customers? Hands down, it’s this one: "What does LSA stand for?"

The LSA acronym's current meaning (and the one many readers might know) is "Low Maintenance, Severe Duty, Abrasion Resistant." The original meaning is a bit more..

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Topics: Mining, GIW, Oil Sands

What Causes Water Hammer?

Water hammer is just one of many phenomena that can turn a normal day of slurry pumping into a nightmare. Since the consequences of water hammer can be severe, pump operators must understand what it is, how it occurs, and how to avoid it.

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Topics: Mining, GIW, Oil Sands

How to Avoid Common Shaft Sleeve Problems

While GIW Industries, Inc.’s pumps help our customers succeed every day, some materials can break down over time — either from misuse or from contact with abrasive or corrosive materials. One customer recently experienced a leak that resulted from a worn shaft sleeve. Here’s..

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Topics: Mining, GIW, Oil Sands

Can I Reduce Pump Wear with a Bigger Pump?

Q: Can I reduce pump wear if I install a larger pump?

A: The simple answer is probably not. You can actually increase pump wear if your pump is too large for your particular application.

"This answer seems counterintuitive to many people when they hear it," notes Reab Berry,..

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Topics: Mining, GIW, Oil Sands

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