Tbl. 8: Requirements On The Cooling Water Composition; Tbl. 9: Requirements On The Cooling Water Connection; Fig. 17: Connecting Cooling Water Supply - Pfeiffer Vacuum HiPace 800 Operating Instructions Manual

Recommendations for cooling the turbopump
► Use additional cooling in the event of increased fore-vacuum pressure (> 0.1 hPa).
► Use additional cooling if operating with high gas throughput.
► Always use water cooling at ambient temperatures > 35 °C.
Parameter
Appearance
pH value
Carbonate hardness, max.
Chloride content, max.
Sulfate content, max.
Carbonic acid content, max.
Ammonia content, max.
Electrical conductivity, max.
Particle size, max.
Cooling water temperature
Cooling water flow
Cooling water pressure, max.
Tbl. 8: Requirements on the cooling water composition
Connection to the turbopump
Banjo fitting with insertion system
Tbl. 9: Requirements on the cooling water connection
4
3
Fig. 17: Connecting cooling water supply
1 Feed line 3
2 Dirt trap 4
Connecting a cooling water supply
Prerequisite: The cooling system provided by the customer is closed and depressurized. The provided
hose connections correspond to the turbopump connections.
1
2
Return line
Cooling water connection
Cooling water
● filtered
● mechanically clear
● visually clear
● no turbidity
● no sediment
● free from grease and oil
7 to 9
10 °dH
12.53 °e
17.8 °fH
178 ppm CaC0
3
100 mg/l
240 mg/l
not detectable
not detectable
500 µS/cm
150 µm
see "Technical data"
see "Technical data"
6000 hPa
External cooling water supply
Hose cable
External hose diameter 8 mm
Internal hose diameter 6 mm
Installation
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