AFP



A self-acting differential pressure controller primarily for use in district heating systems. The controller closes on rising differential pressure.

Controller consist of:
- control valve (flange connection) type VFG 2 / VFG 21 - for technical parameters look at part "Combine with..." below,
- pressure actuator type AFP / AFP-9 with control diaphragm and a spring for setting differential pressure - see below.


AFP

Technical data



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

AFP

003G1016 150Diff. press. controllerAdjustable0.151.525
003G1017 150Diff. press. controllerAdjustable0.10.725
003G1018 150Diff. press. controllerAdjustable0.050.3516

AFP-9

003G1014 150Diff. press. controllerAdjustable1625
003G1015 150Diff. press. controllerAdjustable0.5325