History of the Neles Q-Trim technology
One of our best-known flow control brands, Q-BALL™, has its roots in 1978 when a French “valve expert” Roger Bey presented his low noise and anti-cavitation solution developed for the ball valve to Antti Nelimarkka, the founder of Neles company (now Valmet's flow control business line). Q-BALL was the very first brand in famous Q-Trim™ technology aiming to reduce noise in control valves.
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