Burkert Type 7880 - Manual (Page 30)

10 - konti-Dos
english
2.3 Standard versions available and their range of use
1) The dosage pump minimum flow, Q
min. pump
, is Q
min. pump
x Minimum dosage rate ≥ 1% Q
max. pump
The dosage rate is between 0.01% and 99.9%.
The Qmax x DRmax formula is used to calculate the maximum value of the range (please see
the DRmax and Qmax calculation examples in paragraph 3.3).
Set the maximum flow when commissioning, using the manual valve, to ensure a correct dos-
age, irrespective of the usage of the konti-Dos (please see paragraph 2.6).
Systemver-
sion
Sensor flow range (water
supply) in l/h
Dosing pump flow range
(additive) in l/h
Maximum
water pres-
sure
Sealingmate-
rial
konti-Dos 1.0 10 - 100 0,12 1) - 12 5,0 bar FKM/EPDM
konti-Dos 2.0 20 - 250 0,12 1) - 12 5,0 bar FKM/EPDM
konti-Dos 2.1 20 - 250 0,185 1) - 18,5 5,0 bar FKM/EPDM
konti-Dos 3.0 50 - 500 0,12 1) - 12 5,7 bar FKM/EPDM
konti-Dos 3.1 50 - 500 0,185 1) - 18,5 5,7 bar FKM/EPDM
konti-Dos 3.2 50 - 500 0,48 1) - 48 2,5 bar FKM/EPDM
konti-Dos 4.0 50 - 1800 0,12 1) - 12 5,7 bar FKM/EPDM
konti-Dos 4.1 50 - 1800 0,185 1) - 18,5 5,7 bar FKM/EPDM
konti-Dos 4.2 50 - 1800 0,48 1) - 48 2,5 bar FKM/EPDM
konti-Dos 5.0 200 - 6500 0,12 1) - 12 5,7 bar EPDM