Valve - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/b/b5/Water_valves_with_spigots.jpg)
![](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/7/72/Solonoid_valves.jpg&w=640&q=50)
Solenoid valve - Wikiwand
Check valve - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/b/b5/Water_valves_with_spigots.jpg)
Valve - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Ball_Valve.jpg/2448px-Ball_Valve.jpg)
File:Ball Valve.jpg - Wikimedia Commons
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/42/Slide-valve_cylinder%2C_three-quarter_view_%28Heat_Engines%2C_1913%29.jpg/220px-Slide-valve_cylinder%2C_three-quarter_view_%28Heat_Engines%2C_1913%29.jpg)
Slide valve - Wikipedia
![](http://www.didlink-valve.com/data/attachment/201708/11/5e562af94809361e0698e93fb57c17c2.jpg)
5 Gate Valve,Gate Valve wiki,ANSI Non-Rising Stem Metal Sealed 5 Gate Valve-Product Center-Hebei Didlink Industry Co., Ltd.
![](https://preview.redd.it/the-bot-problem-is-done-according-to-the-tf2-wikipedia-page-v0-mk7ozfg3fzbc1.jpeg?width=640&crop=smart&auto=webp&s=bbe200e7cdcd310f587c6aad2e26e2af519e82f2)
The Bot Problem is done according to the TF2 Wikipedia page, all thanks to Valve :) : r/tf2
![](https://images.slideplayer.com/14/4186186/slides/slide_12.jpg)
Artificial Heart Valves By: Brian Volpe. What is it? An artificial heart valve is a mechanism that mimics the function of a human heart valve It's used. - ppt download
Does the life span of industrially used valves (ball valve, globe valve etc) depend on the number of times they're open-closed? - Quora