What exactly is an impeller’s “tip speed” and how do you calculate it?

Christian LindBlog, Service Adventurer, Tech TalkLeave a Comment

Establishing an impeller’s “Tip Speed” is very useful when selecting the best pump for your application, but what exactly is tip speed and how do you calculate it? The tip speed is simply the distance that any selected point on the peripheral of the impeller travels in a set time. In other words the “speed” of that point. To calculate … Read More

Differences Between Flush and Quench In Slurry Pump Seal Support Plans

Christian LindBlog, Service Adventurer, Tech TalkLeave a Comment

When discussing slurry pump seal support plans it seems that the terms “Flush” and “Quench” are often confused and or misused. With the concept being slightly different for mechanical seal boxes vs packed seal boxes I will separate these, discussing each in turn. Mechanical Seal The basic mechanical seal flush plan is very simple. It calls for a clear/clean liquid, … Read More

Pumping Cow Manure

Christian LindService AdventurerLeave a Comment

I just thought I would share my latest adventure. It was quite smelly to say the least. We had a customer who bought a HS-E81-80 pump for a dairy farm. Now who would have thought that a manufacturer that produces the best slurry pumps in the world would be called upon to provide a pump for a dairy. This pump … Read More

Impeller Designs

Christian LindPumpsLeave a Comment

I recently received an e-mail asking to explain what the terms “open” or “closed” referred to when discussing impellers in a slurry pump. So here it is. Although there are numerous styles/designs offered by pump manufacturers, most slurry pump offerings boil down to a variation of one of two basic designs, with a third design, slightly less common, that is … Read More

Checking The Condition Of A Submersible Pump Motor

Christian LindPumpsLeave a Comment

Whether it be a submersible pump you already own or a used pump you are looking to buy, it is important to know the condition of the electric motor. A few quick checks can save you a bunch of time and or money. The most common problem in a submersible pump motor is water ingress. Whether it be entry though … Read More

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To Check or not to Check?

Christian LindPumpsLeave a Comment

I often receive questions as to whether a check valve in a pumping system is a good or a bad thing.  Auto closing check valves are often an integral part of a successful pumping system; however, they can also be the root of many system failures. The question then becomes “when is it appropriate to incorporate check valves in a … Read More

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Hevvy Pumps relève la barre des normes de qualité

Christian LindEvents, NewsLeave a Comment

Hevvy relève les défis et passe sa mise à niveau à ISO 9001: 2015 Chez Hevvy Pumps, nous sommes fiers d’annoncer que nous avons passé notre mise à niveau de certification de qualité ISO 9001 à la nouvelle norme 2015. Qu’est-ce que ça veut dire? Cela signifie que notre objectif est de nous améliorer continuellement, en veillant à ce que … Read More

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Single Phasing in Electric Motors

Christian LindService AdventurerLeave a Comment

Causes and Solutions to Protect your Motor I once had a customer ask me for some advice to help them come up with some ideas as to why their pump would trip as soon as it was lowered into slurry. I asked questions such as: Have you checked for proper rotation? Did you check for pluggage in the discharge line? … Read More

Slurry Pumps: The Ultimate Preventive Maintenance Guide

Christian LindPumpsLeave a Comment

Are your slurry pumps in good condition? I travel to customer sites on a weekly basis and I see a full range of good and bad when it comes to pump maintenance. I decided to write a blog on the most common preventive maintenance tips concerning the Hevvy/Toyo line of pumps so it’s available even when I’m not. This list … Read More

6 Pipeline Flow Issues and How to Avoid Them

Christian LindMiningLeave a Comment

One of a pump operator’s worst fears is a plugged pipeline. Some believe this to only be a concern when dealing with extremely heavy slurries but this is far from the truth. Today we will discuss several causes of plugged lines and how to avoid these highly expensive and time-consuming problems. 1. “Sanded in” Is the most common form of … Read More