AFQM / AFQM 6
AFQM 6 is a self-acting flow controller with integrated control valve with full authority, primarily for use in district heating systems. The controller closes when set max. flow is exceeded. In combination with Danfoss electrical actuators AMV(E) can be controlled by ECL electronic controllers.
The AFQM 6 is pressure independent which means that the control characteristic is independent from the available pressure and is not influenced by a low authority.
The controller has a control valve with adjustable flow restrictor, connection neck for electrical actuator and an actuator with one control diaphragm. Control valve AFQM 6 DN40-50 is not pressure relieved.
Controllers are used together with Danfoss electrical actuators:
– AFQM 6 PN 16/25 DN 40-50 1)
– AMV(E) 65x 1 without spring return function and with manual operation:
– AMV(E) 655 spring return function and manual operation:
– AMV(E) 658 SD 2)
Spring return function, without mechanical operation:
– AMV(E) 659 SD 3)
– AMV(E) 55, 56
1) For AFQM 6 PN 16/25 controllers, produced before March 2015, adapter code 065B3527 need to be separately ordered
2) not DIN approved
3) DIN approved ,according to EN 14597