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Guest Post: 5 Key Waterjet Terms We Should All Understand

I’m pleased to say that we have a guest blogger today.  Colleen Carnagey is a major part of Flow’s marketing group and she would like to introduce to you a new feature on our website that might be of real value to you as you become more educated on waterjet capabilities.

Over the years waterjet has created its own vocabulary. I’m fairly new to Flow (in Flow terms–4 years isn’t much on 20), and one thing I realized almost immediately is to feel confident in your understanding of waterjet technology as a whole, you must feel confident in your understanding of the terms used to explain it.

How Waterjets Work Pump Technology Waterjet 101 Waterjet Technology Overview
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When Two Cutting Heads Aren’t Better Than One

Having more than one cutting head on an abrasive waterjet should be much more productive than running one head, right?

By understanding waterjet efficiency, and the relationship between pressure and power, you can equip your shop with the most productive system possible. In short, raising the pressure and putting the power through one head is more efficient than running two heads with normal pressure.

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The Basics of a Waterjet Pump

There are two types of pumps used today in waterjet cutting: the linear intensifier pump and the rotary direct drive pump.

Today, both intensifier and direct drive pumps are capable of reliably delivering ultrahigh-pressure water, and both are successfully used in industry. The two pumps have certain components in common. They both have a motor, water filters, control system, and sensors, among other similarities.

Pump types graphic

Before we start looking at these two pumps separately, let’s take a look at how the industry defines differences in pressure levels. Please note that pressure ranges follow typical high pressure plumbing runs (water delivery lines, T’s, elbows, etc.).

How Waterjets Work Pump Technology Waterjet 101 Waterjet Technology Overview