Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
If the accident happens by leaking gas, the damages are huge. so prevention is the most important.
But existing valve is not easy to be perceived if it is opened or closed.
CHECK VALVE can be aware of this even at night and a long distance.
A gas valve which indicates its status of opening or closing by a light.
When it turns the CHECK VALVE to the righ,, the gem falls down and cut the power off.
When the CHECK VALVE put up, the gem goes down and turns on electric power by gravit..
Yongin-si, Gyeonggi-do, South Korea
Seoul, South Korea
Jong Soo / Kim