Relief valve, pressure reducing valve, and sequence valve. These pressure valves have similar schematic symbols, but the purpose and behaviour of each valve is quite different. Let's looks a system that uses all of them together, so we can see how they work and interact. We make all the interactive animations ourselves, and they're available online at https://www.lunchboxsessions.com Follow us for more great videos and learning content on your preferred social network: LinkedIn: https://www.linkedin.com/company/cd-industrial-group-inc- Facebook: https://facebook.com/lunchboxsessions Google+: https://google.com/+lunchboxsessions Twitter: https://twitter.com/lunchboxsession