Water Cooling - Pfeiffer Vacuum HIPACE 800 Operating Instructions Manual

Installation
5.7.5

Water cooling

26
The turbopumps HiPace 800 with TC 400 have water cooling as standard equipment.
● In case of increased backing pressure (> 0.1 hPa) and/or operation with high gas
throughputs, either air or water cooling may be used.
● Generally use water cooling if the ambient temperature is > +35 °C.
Cooling water requirements
Cooling water connection
Hose lines
Cooling water quality
Oxygen content max.
Chloride content max.
Water hardness max.
Consumption of potassium permanganate max.
Carbon dioxide content max.
Ammonia content max.
pH-value
Fore-line overpressure max.
Cooling water temperature
Cooling water consumption at max. gas throughput
Connecting to a cooling water system
14b
14
Fig. 11: Connecting the cooling water
14 Cooling water connection
14a Fore-line
 Insert hoses for the water cooling fore- and return-line as far as they will go in one
cooling water connection each.
 Recommendation: install dirt trap in the fore-line.
Socket connection
External diameter 8 mm
Internal diameter 6 mm
filtrated, mechanically clean, optically
clear, no turbidity, no sediments, chemical-
ly neutral
4 mg/kg
100 mg/kg
10 °dH
12.53 °e
17.8 °fH
178 ppm CaC0
10 mg/kg
undetectable
undetectable
7 - 9
6000 hPa
refer to "Technical Data"
refer to "Technical Data"
14a
14c
14b Return line
14c Dirt trap
3