| Technical
Data |
|
4000
KR |
5000
KR |
6000
KR |
7000
KR |
8500
KR |
10000
KR |
| Permeate flow
rate |
l/h |
4,000 |
5,000 |
6,000 |
7,000 |
8,500 |
10,000 |
| min. salt rejection |
% |
98.5 |
98.5 |
98.5 |
98.5 |
98.5 |
98.5 |
| recovery |
% |
85 |
85 |
87 |
90 |
90 |
90 |
| operating pressure |
bar |
16.0 |
15.5 |
15.0 |
15.0 |
16.0 |
15.0 |
| membrane element
/ number |
|
8040/3 +
4040/4 |
8040/4 +
4040/4 |
8040/5 +
4040/5 |
8040/6 +
4040/6 |
8040/7 +
4040/7 |
8040/9 +
4040/9 |
| Voltage |
V/Hz |
3x400/50 |
3x400/50 |
3x400/50 |
3x400/50 |
3x400/50 |
3x400/50 |
| motor power |
kW |
7.5 |
7.5 |
7.5 |
7.5 |
11.0 |
11.0 |
| pre-fusing |
A |
20 |
20 |
20 |
20 |
25 |
25 |
| feedwater connection |
DN |
32 |
40 |
40 |
40 |
50 |
50 |
| permeate/concentrate
connections |
DN |
32/32 |
32/32 |
40/32 |
40/32 |
40/32 |
50/32 |
| conductivity
range permeate |
µS/cm |
2 – 200 |
2 – 200 |
2-200 |
2-200 |
2-200 |
2-200 |
| conductivity
range permeate recirculation |
µS/cm |
20-2,000 |
20-2,000 |
20-2,000 |
20-2,000 |
20-2,000 |
20-2,000 |
| min./max. feedwater
pressure |
bar |
2 / 4 |
2 / 4 |
2 / 4 |
2 / 4 |
2 / 4 |
2 / 4 |
| min./max. feedwater
temperature |
°C |
5 /25 |
5 /25 |
5/25 |
5/25 |
5/25 |
5/25 |
| max. ambient
temperature |
°C |
40 |
40 |
40 |
40 |
40 |
40 |
| pH |
|
3 – 11 |
3 - 11 |
3 – 11 |
3 – 11 |
3 – 11 |
3 – 11 |
| height |
mm |
1,900 |
1,900 |
1,900 |
1,900 |
1,900 |
2,000 |
| width |
mm |
2,800 |
2,800 |
3,800 |
3,800 |
4,800 |
3,900 |
| depth |
mm |
750 |
750 |
750 |
750 |
750 |
1,000 |
| weight approx |
kg |
520 |
570 |
680 |
800 |
900 |
1,050 |
| Code no. |
|
381840 |
381850 |
381860 |
381870 |
381880 |
381890 |
| |
|
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|
Stand-type unit for desalination of softened
drinking water according to UK drinking
water regulations (free chlorine not detectable),
operating on the principle of reverse osmosis,
with very high permeate recovery and high
salt rejection.
Unit design
Stainless steel main frame housing the instruments
and controls.
Special inlet filter with 5 µm-filter
cartridge, high pressure pump low noise, multi-stage
centrifugal type, specially combined spirally
wound modules with PA/PS composite membranes
in GRP vessels with inliner.
Valves such as sampling valves for feed water
and permeate (for each pressure vessel), inlet
solenoid valve/diaphragm valve, valves made
of stainless steel to regulate the flow rate
of permeate, concentrate and concentrate recirculation.
Pressure gauges for inlet and outlet pressure
pre-filter, pump pressure, operating pressure
and concentrate pressure, pressure switch
for monitoring the feed water pressure.
Flow meters for permeate, KR-permeate recirculation,
concentrate and concentrate recirculation
flow rate.
Conductivity measurement Permeate and KR-permeate
recirculation, temperature compensated, measuring
ranges 2-200 µS/cm and 20-2,000 µS/cm.
Control cabinet with lockable main switch,
electrical switchgear for control of the high-pressure
pump.
RO 5000 microprocessor control system for
fully automated monitoring and control of
the reverse osmosis unit with graphics display
with scrollable display (selectable) of operating
data: permeate- and feed-water conductivity
(temperature compensated), permeate- and feed-water
temperature, operating hours, time malfunction
signals: low pressure, hard water, motor overload,
high con-ductivity prealarm (permeate), high
conductivity fault (permeate), status signals:
operation, perme-ate discard/permeate recycling,
concentrate displacement, concentrate rinse,
intermittent rinse during shut down, shut
down by external signal (forced stop, regeneration),
tank full, LEDs for operation, malfunction.
Chip card reader for storage of parameters
and data (1 chip card is included in our scope
of deliv-ery), RS232 interface.
Recording of data and malfunctions with programming
option for recording mode, recording in-terval,
recording parameters
- Password protected programming options
for the following modes of operation and
sequences:
- discard / recycling of permeate, subject
to conductivity with time limit
- discard / recycling of permeate, subject
to time
- shut down at high conductivity
- failure acknowledgement with or without
password
operator´s function with password
on different levels with selectable values
and times e.g.:
interval for intermittent rinse when tank
full, duration of rinse when tank full, duration
of concen-trate
displacement, duration of concentrate rinse,
duration of permeate discard accord. to conductivity
- analogue output pre-selectable 0/4-20 mA
- pre-selectable analogue output cy feed water,
temperature feed water cy permeate, temperature
- pre-selectable cy range for feed water 0.002-0.2
mS/cm, 0.02-2 mS/cm, 0.5-50 mS/cm
- pre-selectable cy range for permeate 0.5-50
µS/cm, 2-200 µS/cm, 20-2,000 µS/cm
- individual test of all inputs or outputs
with LCD (diagnostics)
- languages of LCD: German/English/French/Italian/Spanish/Dutch
Additional connections possible: Inputs (low
voltage) for level control with 1 or 2 float
switches, hardness monitoring unit (the RO
5000 control system includes control functions
for the limitron hardness monitoring unit),
shut-down by external signal (forced stop,
regeneration), 2 universal in-puts, Outputs
for additional pump (in series or duty/standby)
2 solenoid valves for concentrate rinse, permeate
discard and recycling, collective malfunction,
prealarm high conductivity and freely programmable
universal output each on floating changeover
contact, analogue output of permeate conductivity
and permeate temperature.
Unit is completely wired, pre-assembled and
ready for installation. Electrical equipment
in accordance with VDE 0100 part 600, VDE
part 1. Compressed air (oil-free) 4-6 bar
required (from RO 7000 KR onwards).
The units are designed for a maximum TDS
of 1,000 mg/l, a max. SiO2-concentration of
10 mg/l, a water temperature of 15°C,
a maximum colloidal index of 3 and permeate
back pressure. Under these conditions, the
units still reach design permeate flow after
three years of operation. The permeate recovery
depends on the raw water quality and the type
of pre-treatment.Optional Equipment
Permeate recirculation PR
Code no. 382902 for RO units UO 4000-5000
Code no. 382903 for RO units UO 6000
Code no. 382373 for RO units UO 7000-10000
Hardness Monitoring Unit limitron for constant
monitoring of the feedwater hardness, completely
integrated in the reverse osmosis unit.
Code no. 370044 for RO units UO 4000-6000
Code no. 370070 for RO units UO 7000-10000
|
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