4,518,275 views
Here are some examples of commonly used check valves. All these valves have one thing in common: they all have moving parts. Here's the design question: is it possible to design a check valve without moving parts? Be our supporter or contributor: / @sabincivil instagram : / sabinzmathew Twitter : / sabinsmathew Telegram : https://t.me/sabinmathew FB : / sabinzmathew Narration: Koji Asano Website: https://www.justglobal.jp/japanese