Section 5 - Valves

A valve is a mechanical device that regulates the flow of fluids (either gases, fluidised solids, slurries or liquids) by opening, closing, or partially obstructing various passageways. 

Valves are used in a myriad of industrial, military, commercial, and residential applications.

This low-tech valve may not have changed much in the last 100 years, but the gate valve plays a major role in virtually every refinery, chemical plant and industrial facility in the world.

Thought you knew all there was to know about this intriguing topic? Well, think again. Answer the following 23 questions and consider yourself an expert.