SECTION 11
SPECIFICATIONS
Jan 2003
Page 11-5
05114665c
11.3 Cutting Water Specifications
The cutting water supply to the waterjet pump must meet the following
specifications. High concentration of dissolved solids, especially calcium, silica,
and chlorides, will affect high pressure component life. A water analysis will
indicate the type of water treatment necessary.
Water Quality Parameters
Minimum
Requirement
Better Best
Alkalinity (mg/l) 50 25 10
Calcium (mg/l) 25 5 0.5
Carbon Dioxide (mg/l) 0 0 0
Chloride as Cl (mg/l) 100 15 1
Free Chlorine (mg/l) 1 1 0.05
Iron as Fe (mg/l) 0.2 0.1 0.01
Manganese as Mn (mg/l) 0.1 0.1 0.1
Magnesium as Mg (mg/l) 0.5 0.1 0.1
Nitrate (mg/l) 25 25 10
Oxygen (mg/l) 2 1 0.1
pH Value 6.5 - 8.5 6.5 - 8.5 6.5 - 8.5
Silica (mg/l) 15 10 1
Sodium (mg/l) 50 10 1
Sulfate (mg/l) 25 25 1
Total Dissolved Solids (mg/l) 200 100 5*
Total Hardness as CaCO3
(mg/l)
25 10 1
Turbidity (NTU) 5 6 1
* Do not reduce beyond this amount or the water will become too aggressive.
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