AVD



Self-acting pressure reduction controller primarily for use in district heating systems. The controller is normally opened and closes on rising pressure.

The controller has a control valve, an actuator with one control diaphragm and a spring for pressure setting.


AVD

Technical data



Code No.DNkvs
(m3/h)
PN
(bar)
tmax
(°C)
Connection typeInstallation placeSetting typeMin. P setting
(bar)
Max. P setting
(bar)

AVD

003H6644 15425150Ext. threadFreeAdjustable15
003H6645 206.325150Ext. threadFreeAdjustable15
003H6646 25825150Ext. threadFreeAdjustable15
003H6650 15425150Ext. threadFreeAdjustable312
003H6651 206.325150Ext. threadFreeAdjustable312
003H6652 25825150Ext. threadFreeAdjustable312
003H6659 3212.525150FlangeFreeAdjustable15
003H6660 402025150FlangeFreeAdjustable15
003H6661 502525150FlangeFreeAdjustable15
003H6662 3212.525150FlangeFreeAdjustable312
003H6663 402025150FlangeFreeAdjustable312
003H6664 502525150FlangeFreeAdjustable312