SIGMA Compact dynamic balancing valve

The Frese Sigma dynamic balancing valves is used for water control in cooling and heating applications. It can be used instead of traditional double regulating valves and can be installed in both variable flow systems and constant flow systems. Max. differential pressure 400kPa. Range of flowrates, from 40 to 10,350l/h. Made from brass (DN15-DN32) or ductile iron (DN40-DN50).