AFD



A self-acting pressure reducer primarily for use in district heating systems, for water and steam applications. The controller closes on rising pressure.

Controller consist of:
- control valve (flange connection) type VFG 2 / VFG 21 or VFGS 2 (for steam applications) - for technical parameters look at part "Combine with..." below,
- pressure actuator type AFD with control diaphragm and a spring for pressure setting - see below.


AFD

Technical data



Code No.tmax
(°C)
FunctionSetting typeMin. P setting
(bar)
Max. P setting
(bar)
Max. operation pressure
(bar)

AFD

003G1000 150Press. reduction controllerAdjustable81625
003G1001 150Press. reduction controllerAdjustable31225
003G1002 150Press. reduction controllerAdjustable1625
003G1003 150Press. reduction controllerAdjustable0.5325
003G1004 150Press. reduction controllerAdjustable0.10.725
003G1005 150Press. reduction controllerAdjustable0.151.525
003G1006 150Press. reduction controllerAdjustable0.050.3516