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Technical data
M588-00-880 Issue E
Minimum required pressure
differential across supply and return
Refer to Tables 12 to 16 bar
Supply temperature range 5 - 40
*
°C
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 μS/cm
Materials in contact with
cooling water
Stainless steel, Nitrile, PTFE, brass
,
polyamide and fluoroelastomer
Water inlet connection 3/8 inch BSP male (GXS160/250)
1/2 inch BSP male (GSXS450/750/
2600/4200)
Water outlet connection 3/8 inch BSP male (GXS160/250)
1/2 inch BSP male (GSXS450/750/
2600/4200)
*
Maximum coolant temperatures may need to be reduced if Glycol or other coolants are used dependent on the
dilution and type.
Table 12 - Water consumption data (GXS160/250/1750/2600)
Pump
Characteristics
Minimum flow rate required
*
*
All GXS dry pumping systems have a valved cooling system which will cause coolant flow rate to vary in
response to pump load conditions. Table 12 states the "minimum flow rate required" under worst case pump
load conditions, when all valves are open. Flow rates need to be increased and/or coolant temperatures
reduced if Glycol or other coolants are used dependent on the dilution and type.
† The differential pressure values given are the minimum differential pressures required across the water
supply / return at the point of connection to the pump to achieve the desired flow when the solenoid
valves are open.
Minimum required pressure
differential across supply and return†
Units I/min bar
GXS160 41
GXS160/1750 71
GXS250 41
GXS250/2600 71
Table 11 - Water cooling system data (continued)
Description Rating Units
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