AHG Solutions Guide_Edition 2.7

Vacuum Deaerators - Dirt and Air Separation
Contents
Patented Technology for
Optimum Degassing
A
B
A Dipstick-Tube Degassing
Allows gases to escape and is hermetically sealed
B Vacuum Spray Tube
The height and diameter are coordinated so that atomization of the
water is guaranteed in a large free vacuum immediately after the
start of the degassing cycle.
C Control
Degassing cycles run on an optimized timer program or are ideally
controlled according to the gas content of the water.
Circuit water rich in gas G 3/4
Circuit water low in gas G 1
Make-up water
E
D Hydraulics
The control’s integrated plug & play operational management
automatically coordinates the hydraulics with the regulating ball
valves with the pressure conditions in the system.
E Patented Valve Switch
For fully automatic hydraulic balancing
D
C
EXPANSION &
DEAERATION
Duraflex Vacuum Deaerator Working Principle
0
0
0
0
-1
bar
-1
bar
-1
bar
-1
bar
M
M
M
M
M
M
M
M
1 Vacuum Generation
2 Degassing Start
3 Degassing
4 Idling Time
The pumps cuts in, the water
level drops and a vacuum
is generated in the vacuum
spray tube. The circuit
water (optionally make-up
water) is atomised in the
generated vacuum releasing
the dissolved gases due to
the vacuum and the large
contact surface.
The pump shuts down.
Water is sprayed until
the vacuum spray tube is
completely filled.
All released gases are
reliably precipitated via the
automatic fan.
System pressure has built
up in the spray tube. The
system water within the
tube is nearly gas-free
and will be returned to the
network in the following
cycle.
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