Sealing the Deal with Valves

Can you imagine a world without valves? Take for example the human body. Our body is host to several valves such as the ones in our heart and in our veins. If these valves were not doing their job of regulating the flow of fluids and gases in our body, our blood would be pulled down by gravity, filling up our lower extremities and never traveling back up to our brain. Life without valves would be very difficult indeed. Valves within the mechanical and technological world have the same purpose and that is to regulate the input and output of fluids and gases. Valves can do a myriad of things such as stop, start, mix, direct and regulate the pressure, temperature or flow of a fluid. Valves are used most commonly for regulating the flow of a substance, in some instances View the rest of this article