GEA VARIVENT K, Operating Instruction

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8.1 Safety instructions 34
9 Cleaning 35
9.1 Cleaning 35
9.1.1 Cleaning Process Examples 35
9.1.2 Cleaning effect 35
9.1.3 Cleaning the Leakage Cavity 36
9.2 Passivation 36
10 Maintenance 37
10.1 Safety instructions 37
10.2 Inspections 38
10.2.1 Product contact seals 38
10.2.2 Pneumatic connections 38
10.2.3 Electrical connections 38
10.3 Maintenance intervals 39
10.4 Prior to disassembly 39
10.5 Disassembling the Valve 39
10.5.1 Removing the Valve Insert 40
10.5.2 Separating the Valve from the Actuator 41
10.6 Maintenance 43
10.6.1 Cleaning the Valve 43
10.6.2 Replacing Seals 44
Note on Seal Replacement 44
Replacing the V-Ring 44
10.6.3 Lubricating seals and threads 45
10.7 Installation 46
10.7.1 O-ring 46
10.7.2 Guide rings 47
10.7.3 Spring 47
10.7.4 Leakage pipe 47
10.7.5 Torques for the Clamps and Clamp Connections 47
10.7.6 Strokes depending on size 48
11 Alarms 50
11.1 Malfunctions and remedies 50
12 Decommissioning 51
12.1 Safety instructions 51
12.2 Disposal 51
12.2.1 General notes 51
12.2.2 Valve Actuator Disposal 51
13 Spare parts list - mixproof valve K 52
14 Dimension Sheet - VARIVENT
®
Double Seat Valve K 64
15 Appendix 66
15.1 Lists 66
15.1.1 Abbreviations and terms 66
430BAL008372EN_4
4 11.03.2022