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GA02319_002_03 - 07/2007 - © Oerlikon Leybold Vacuum
Installation
50 Hz
60 Hz
Position
Ultimate 40 mbar
Ultimate 250 mbar Ultimate 40 mbar
Ultimate 250 mbar
thermo. valve
pr.
pr. and
and
pr.
pr. and
and
gas ballast gas ballast
gas ballast gas ballast
∆T water (°C)
7
10
9
13
8
11
11
15
1
δ
H
2
O (l/h)
643
667
668
656
690
668
676
68
P (kW)
6
7
7
10
7
9
8
12
∆T water (°C)
52
17
18
12
27
14
10
14
2
δ
H
2
O (l/h)
99
307
292
726
181
511
718
730
P (kW)
4
6
6
10
6
8
8
12
∆T water (°C)
45
32
35
17
38
23
34
14
3
δ
H
2
O (l/h)
78
158
139
462
129
276
185
703
P (kW)
4
6
6
9
6
7
7
11
∆T water (°C) : Cooling water temperature increase
δ
H
2
O (l/h) : Cooling water flow
P (kW) : Absorbed power by cooling water
Water cooling
TH (°F)
0°
4°
8°
12°
20°
Water quality
Corrosion
Service area
Incrusting water
(water too soft)
(deposit of scale)
PPm
0
30
9
160
300
Carbonat content
Corrosion
Service area
Incrusting water Very incrusting water
(water too soft)
PH
0
5
7,5
Corrosion
Service area
Incrusting water
(water too soft)
Do not use deionised cooling water.
To clean the heat exchanger : it is recommended to clean at least twice a
year the water circuit.
For that, dismantle the exchanger from the pump. Chemical cleaning is the
most efficient, with dilute hydrochloric acid solution (5 to 10%) then neutralize
with hexamethylethyrene tetramine at 0.2 %. For a 1 mm coat of scale, leave
acting the acid during about 30 min.
The system must be open during the operations, so the product gases can
escape. Rinse copiously with water after neutralization.
Proceed in an open and well ventilated place.
Observe the safety regulations given by the manufacturer of the product you
are using.
Observe the regulations for the treatment and the disposal of chemical
products.
Observe the relevant environmental regulations.
Warning
Содержание 960 862
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Страница 43: ...43 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts DIRECTION OF ROTATION fig 10 ...
Страница 44: ...44 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts DIRECTION OF ROTATION fig 11 ...
Страница 45: ...45 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts fig 12 ...
Страница 46: ...46 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts fig 13 ...
Страница 47: ...47 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Spare parts fig 14 ...
Страница 52: ...52 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum ...
Страница 54: ...54 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Notes ...
Страница 55: ...55 GA02319_002_03 07 2007 Oerlikon Leybold Vacuum Notes ...