GEA VARIVENT Y, Operating Instruction

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8.1 Safety instructions 36
9 Cleaning 37
9.1 Cleaning 37
9.1.1 Cleaning Process Examples 37
9.1.2 Cleaning effect 37
9.1.3 Cleaning the Leakage Cavity 38
9.2 Passivation 38
10 Maintenance 39
10.1 Safety instructions 39
10.2 Inspections 40
10.2.1 Product contact seals 40
10.2.2 Pneumatic connections 40
10.2.3 Electrical connections 40
10.3 Maintenance intervals 41
10.4 Prior to disassembly 41
10.5 Disassembling the Valve 41
10.5.1 Supplemental disc removal 42
10.5.2 Removing the T.VIS M-15 Control Top 43
10.5.3 Removing the T.VIS A-15 Control Top 44
10.5.4 Disconnecting the Valve from the Housing 44
10.5.5 Separating the valve from the drive 45
10.5.6 Separating the valve and the lamp 46
10.5.7 Disassembly of the valve insert. 47
10.6 Maintenance 47
10.6.1 Cleaning the Valve 47
10.6.2 Replacing the V-Ring 48
10.6.3 Lubricating Seals and Threads 50
10.7 Installation 51
10.7.1 Spring 51
10.7.2 Cleaning hood 51
10.7.3 Place the seating ring between the housings 52
10.7.4 Installing the valve into the housing 52
10.7.5 Checking assembly 52
10.7.6 Reconnect the cleaning hose 53
10.7.7 Torques for the Clamps and Clamp Connections 54
10.7.8 Valve Stroke 55
11 Alarms 57
11.1 Malfunctions and remedies 57
12 Decommissioning 58
12.1 Safety instructions 58
12.2 Disposal 58
12.2.1 General notes 58
12.2.2 Valve Actuator Disposal 58
13 Spare parts list - dual seat two-way valve Y 59
14 Appendix 72
14.1 Lists 72
14.1.1 Abbreviations and terms 72
430BAL008451EN_2
6 24.10.2017