Table of contents
Product-specific part........................................................................ 3
1.1 Sigma 1................................................................................... 3
1.1.1 Performance data – Sigma 1................................................ 3
1.1.2 Dimensional drawings, Sigma 1........................................... 4
1.1.3 Spare parts lists for Sigma 1................................................ 5
1.1.4 Wetted materials.................................................................. 5
1.1.5 Performance diagrams, Sigma 1 with hygienic pump
head..................................................................................... 6
1.2 Sigma 2................................................................................... 7
1.2.1 Performance data – Sigma 2................................................ 7
1.2.2 Dimensional drawings, Sigma 2........................................... 8
1.2.3 Spare parts lists for Sigma 2................................................ 9
1.2.4 Wetted materials................................................................ 10
1.2.5 Performance diagrams, Sigma 2 with hygienic pump
head................................................................................... 10
1.3 Sigma 3................................................................................. 12
1.3.1 Performance data – Sigma 3.............................................. 12
1.3.2 Dimensional drawings, Sigma 3......................................... 13
1.3.3 Spare parts lists for Sigma 3.............................................. 14
1.3.4 Wetted materials................................................................ 15
1.3.5 Performance diagrams, Sigma 3 with hygienic pump
head................................................................................... 15
General information....................................................................... 17
2.1 Safety chapter....................................................................... 17
2.2 Storage and transport........................................................... 17
2.3 Installation, hydraulic............................................................. 18
2.4 Start up.................................................................................. 18
2.5 Maintenance.......................................................................... 18
2.6 Troubleshooting.................................................................... 19
2.7 Technical data....................................................................... 19
2.8 Standards and regulations.................................................... 19
Notes on cleaning metering pumps with hygienic pump head...... 20
3.1 Properties of wetted parts..................................................... 20
3.2 Cleaning by flushing.............................................................. 20
3.3 Cleaning, manual.................................................................. 23
3.3.1 Cleaning valves.................................................................. 23
3.3.2 Replacing the diaphragm................................................... 25
3.3.3 Checking the condition of the diaphragm rupture sensor... 27
Table of contents
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