How to Select Diaphragms for AODD Pumps – Part 2 of 2

In the first part of this article, we discussed some of the materials that have been tested extensively for use in diaphragms in AODD...
Siltbuster

Avoiding the Consequences of Concrete Washout

Construction waste such as concrete washout is under scrutiny from environment agencies around the world, largely due to its heavy-metal content, notably chrome. With...
Xylem

DOE Indexes for Pump Efficiency Require Close Analysis

The “Efficiency Island” is shown in red—bounded by the maximum impeller diameter, minimum impeller diameter and the iso-efficiency lines. The goal is to maximize...

Metering Pumps in Acid Applications

No life form, whether it be human, animal, or plant, can survive without water. The same can be said for many industries, whether they...
Asphalt Pumping

Take the “Fault” Out of Asphalt Pumping

Anthropologists have determined that the tarlike petroleum byproduct known as bitumen, defined as “a black, viscous mixture of hydrocarbons,” was first used as an...

What Is Your Zero? Part 2 of 2

In the first part of this series, we illustrated how fluid pressure head is a function of pressure and density and how for every...

The Benefits of Internal Gear Pumps in Industrial Operations

In last month’s introduction, we discussed how chemical-manufacturing processes require the use of dangerous chemicals, such as strong acids, caustics, solvents, resins, and polymers....

Bell & Gossett Celebrates 100 Years of Innovation: Part 1 of 2

When young engineers W.C. Bell and E.J. Gossett formed the Bell & Gossett Company on a cold Chicago day in January 1916, they didn’t...
Oil-and-Gas Fluid-Handling

Benefits of Screw Pumps in Oil-and-Gas Fluid-Handling Applications: Part 1 of 2

People are programmed, whether consciously or subconsciously, to embrace the familiar. At the same time, when asked to complete a task, we are apt...

The Right Pump To Make The Cut

Every waterjet shop wants to produce their parts at the lowest possible cost. To achieve this objective, nothing is more important than a correctly...