INTRODUCTION TO VALVES: WHAT ARE VALVES & HOW DO THEY WORK?

INTRODUCTION TO VALVES: WHAT ARE VALVES & HOW DO THEY WORK?

WHAT ARE VALVES AND HOW DO THEY WORK?  Valves are, at their most basic, devices that work to control, regulate, or direct the flow of something in a system or process. They often have a number of features that help define how they should be used. But there are...
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