normal
HV1
HV2 HV3
L
t
P_G_0075_SW
Fig. 36: Suction stroke metering profiles with stroke L and time t
Normal Normal suction stroke
HV1 Suction stroke for viscous feed chemical
HV2 Suction stroke for average viscosity feed chemical
HV3 Suction stroke for high-viscosity feed chemical
–
Slowing down the suction stroke leads to a
lower stroke rate and thus to a lower capacity.
‘Suction stroke’
setting Maximum stroke rate
Strokes/min.
Normal 200
HV1 160
HV2 120
HV3 80
11.2.4.3
‘Pressure rating’
‘Menu / Information
è
Settings
è
Metering
è
Pressure rating
è
...’
You can use the programmable
‘Pressure rating’
function to
reduce the nominal pressure of the pump, thereby minimising the
risk of lines rupturing.
The switch-off pressure of the permanently active overpressure
monitoring falls at the same time as the pressure rating - see .
Tab. 11: Nominal pressures depending on the size of the liquid ends and the pressure ratings
Pressure
rating /
4 7 10 16 25
Size of liquid
end
2508 X X X - X
1608 X X X X -
1612 X X X X -
Set up /
‘Menu’
58
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