78
Technical data and dimensions
14.2 Facilities characteristics
14.2.1 Environmental conditions
14.2.2 Water characteristics
(3)
The oxidising action of the chlorine depends on the pH (aggressiveness of the water). The chlorine
content must be within the coloured area on the graph opposite.
(4)
Depend on pumping conditions. Contact Pfeiffer Vacuum.
Connection
14.2.3 Nitrogen characteristics
Connection
Use
indoor use
Installation altitude
up to 2000 m
Ingress protection
IP 30
Ambient operating temperature
5-40 °C
Storage temperature
-25-+55 °C
Relative humidity
max. 80% at T
≤
31°C, up to max. 50% at T
≤
40°C
Pollution degree
rate 2
Overvoltage protection
1)
1) Transient overvoltage up to the levels of overvoltage cat-
egory II. Temporay overvoltage occuring on the mains sup-
ply.
category II
50
40
20
100
0
5
6
7
8
9
10
pH
Chloride (ppm)
pH
5.5 to 9
Chlorine
(3)
100 to 20 ppm depending on the pH
Hardness
< 10 °fH (french degree)
< 2 milli-equivalent/L
< 100 mg/L of CaCO
3
(Calcium carbonate)
Total dissolved solids
< 300 mg/L
LSI (LANGELIER Saturation Index)
- 0.5 < LSI < 0 to +20 °C
Particles size
< 0.2 mm
Resistivity
2 000 Ω·cm < R < 1 000000 Ω·cm
Input temperature
(4)
10-35 °C
Relative input pressure
2 ·10
3
to 6·10
3
hPa
Differential pressure (inlet/outlet)
> 2 ·10
3
hPa
Water inlet
3/8’’ NPT male connection
Stainless steel
Water outlet
3/8’’ NPT female connection Stainless steel
H
2
O concentration
< 10 ppm v
O
2
concentration
< 5 ppm v
Dust
< 1 µm
Oil
< 0.1 ppm v
Relative pressure
2 ·10
3
to 6 ·10
3
hPa
Nitrogen inlet
1/8’’ NPT male connection
Stainless steel
Summary of Contents for A 1204H
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