The controller is a self-acting pressure reduction controller primarily for use in district heating systems. The controller is normally open and closes on rising pressure. The controller has a control valve, an actuator with one control diaphragm and a spring for pressure setting.
V73 D52
V74 D52
VFG 2
Valves for heating, district heating and cooling systems. The valves can be used with following actuators: Thermostats (TR) AFT...; Safety Temperature Monitor (STM) STFW and Actuators AMV(E) 655, 658 , 659.
