Change-over ball valve for open and closed cold and warm water systems with max. 50% glycol. The change-over ball valve is adjusted by a rotary actuator. The rotary actuator is connected by an open-close signal.

Features:

• The ball valve can be installed upright to horizontal. The ball valve may not be installed in a hanging position, i.e. with the spindle pointing downwards.
• The use of dirt filters is recommended in order to prolong their service life as modulating instruments.
• The water quality requirements specified in VDI 2035 must be adhered to.