Encrustation free
May 1st 2006

Formations of deposits around the 'seating area', common with most butterfly valves, are eliminated by the 567 Double Eccentric Butterfly Valve from George Fischer. This is because the unit has been designed to have no contact between the valve disc and the seal when in open position. Quick opening of the valve allows the medium in the pipe to flow freely between the disc and the seal, flushing away any accumulated encrustation particles.

For many industries quick and easy opening and closing of a valve, particularly if it has remained in one position or the other for a long period, is imperative.

Elimination of encrustation in the seating area means the valve is suitable for industries such as water treatment, swimming pools, water parks, waste water, chemical, electroplating and power plants.

George Fischer has also added an optional electric position indicator. Integrated in the mounting flange it automatically designates the operating situation of the valve, which contributes to safety.