T.G FIRE's magnetic-sensor water flow detector (alarm valve) was featured in Joongboo Ilbo's Hi-tech column.
The article describes how a magnet and a waterproofed non-ferrous holder replace the conventional metal spring and rubber clapper, which deforms after long water exposure and causes leaks and false alarms.
It also reports the product being more than half the weight of conventional units with roughly two-thirds the pipe thickness, and the CEO’s statement that no patent was filed so that anyone may use the technology.
This entry summarises a press article. The full text is available from the publisher below.