Edwards iXL120N

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Technical data
A541-11-880 Issue A
2.5 Cooling water data
2.6 Nitrogen purge system (iXL120N series pumps)
Table 11 - Water cooling system data
Description Rating Units
Maximum supply pressure 6.9
100
barg
psig
Minimum supply pressure 2.5
36
barg
psig
Minimum flow rate required
*
*
The table specifies minimum water flow rate that is required at 30 °C cooling water. The water flow
rate can be reduced if colder water is supplied. Contact Edwards for additional information. Maximum flow
of 5 l min
-1
to prevent condensation at 10 °C cooling water.
1l min
-1
Cooling-water supply temperature range 10 – 30
°
C
Water type Treated or non-corrosive industrial
Maximum particle size 0.03 mm
2
Acidity 6.5 to 8.0 pH
Hardness < 100 ppm of CaCO
3
(<100 mg of CaCO
3
per litre)
Resistivity 0.001 ≤ ρ ≤ 1Mohm-cm
Solids (turbidity) < 100 ppm
Materials in contact with cooling water Stainless steel, polyamide,
fluoroelastomer, nitrile, PVDF and PTFE
Water inlet connection per customer specification
Water outlet connection per customer specification
Table 12 - Nitrogen supply
Gas Module Items Reference data
Nitrogen supply interface 1/4 inch (6.35 mm) tube
Maximum supply pressure 7 barg, 7 x 10
5
Pa, 100 psig
Minimum supply pressure 3.0 barg, 3 x 10
5
Pa, 45 psig
Minimum purity ISO 8573 solids class 1
Typical flow at 3.0 bar 4 slm