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Oil and gas industry

James Dashwood

Blog Post by James Dashwood

March 2025

What is the difference between submersible and immersible pumps?

These terms can often be confused though the distinction is fairly obvious. Submersible ...
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March 2025

What is the difference between NPSHa and NPSHr?

Let’s start with what NPSHa and NPSHr mean. NPSHa stands for Nett Positive Suction ...
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March 2025

What is cavitation in centrifugal pumps?

What is pump cavitation? Definition Cavitation occurs in centrifugal pumps when the Nett ...
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March 2025

What is a centrifugal pump and how does it work?

Centrifugal pumps rely upon as an industry workhorse since the 17th century. These are ...
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March 2025

What are the most efficient and reliable pumps for Biofuel plants?

Demands for efficient and reliable pumps for biofuel plants has grown in the last five ...
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March 2025

Utilising Inverters with Industrial Pumps

Utilising inverters with industrial pumps. In the commercial building services sector, ...
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March 2025

Pump affinity laws

What are the Affinity Laws? The pump affinity laws are a set of formulas that help ...
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March 2025

Understanding Viscosity - Technical Briefing

When people talk about understanding viscosity, they are talking about one of two things: ...
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March 2025

What is a transfer pump?

A transfer pump is a versatile piece of equipment designed to efficiently move liquids ...
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March 2025

The future of energy storage with mag drive pumps at its heart

Vanadium redox batteries are one of the most promising energy storage solutions and ...
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March 2025

The Benefits of Working with a British Manufacturer

When it comes to purchasing chemical-resistant pumps for your business, there are several ...
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March 2025

The benefits of an AME pump

A. Rigid Shaft Support Traditionally, plastic chemical pumps either have a single sided ...
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March 2025

Selecting pumps for fume scrubber applications

Wet fume scrubbers are in use in several industries. As well as on board to remove ...
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March 2025

Saving energy protecting the environment

At Crest, we are acutely aware of the pressing need to protect the environment at every ...
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March 2025

Pump performance curve & system curve

We recently wrote an article on how to read the information presented on a standard ...
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March 2025

Pump Misalignment

Proper alignment of a pump shaft with the driver can reduce vibration and significantly ...
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March 2025

Pumping Solids? What is the best option

What are the best options for pumping solids? Whilst pumping solids can create greater ...
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March 2025

My pump can't run dry!

With over 40 years of experience in the pump industry we have seen a few instances where ...
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March 2025

Mechanical seal selection

Crest offers many types of pumps with a variety of arrangements including magnetic drive, ...
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March 2025

How does a magnetic drive pump work?

Magnetically driven pumps are the industry standard when processing harsh and highly ...
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March 2025

Is there a difference between centrifugal and rotodynamic pumps?

Pumps often have the label as either centrifugal or positive displacement. But, you have ...
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