KRain products

Established in 1974, K-Rain Manufacturing started the journey to become one of the largest manufacturers of irrigation rotors, sprayers, electric valves, indexing valves and irrigation controllers in the world.

The firsts years

As a young man, Carl Kah excelled in physics and chemistry and had a keen interest in electronics and aerodynamic design. When he was still in high school, he designed and built an early version of a cyclonic vacuum cleaner. It would be the first of many inventions to come.

From rockets to rotors

With a degree in Chemical Engineering and after graduating at the top of his class from the Guided Missile School of the United States Army Artillery Corps, Carl began working in the Division of Applied Research and Propulsion at Pratt & Whitney. His contribution there helped develop the first reusable rocket engines, a technology that NASA continues to use today.

At night, concerned about his own residential lawn, he used a lathe in his garage to design and machine a valve that ran from zone to zone, thus eliminating the need for multiple valves. Carl patented the valve in 1966.

In 1970, he invented and patented the modulated pressure control. This made it possible to control the entire irrigation system of a golf course without cables or pipes. The patent was later sold to a manufacturer of golf course irrigation systems. That sale of the patent was the catalyst for founding K-Rain Manufacturing in 1974.