3.7. Cooling-water data
Table 11 Water cooling system data
Description
Rating Units
Maximum supply pressure
6.9 barg
100 psig
Maximum allowable system dif-
ferential pressure
1.5 bar
21.8 psi
Minimum required pressure dif-
ferential across supply and return
1.2 bar
17.4 psi
Supply temperature range
5 - 40* °C
41 -104* °F
Water type
Treated or non-corrosive
industrial
Maximum particle size 0.2
mm
2
Acidity 7.0 to 10.5 pH
Hardness <250
ppm of CaCO
3
(<250 mg of
CaCO
3
per litre)
Total Dissolved Solids (TDS) <1500 mg/l
Total Suspended Solids (TSS) <10 mg/l
Specific conductivity 2000
mS/cm
Materials in contact with the cool-
ing water
Stainless steel, Nitrile,
PTFE, brass, polyamide
and fluoroelastomer
Water inlet connection G3/8 inch BSP female
Water outlet connection G3/8 inch BSP female
* Maximum coolant temperatures may need to be reduced if Glycol or other
coolants are used dependent on the dilution and type.
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Technical data