GEA VARIVENT D Series, Инструкция по эксплуатации

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7.2 Notes on commissioning 34
8 Operation and control 35
8.1 Safety instructions 35
9 Cleaning 36
9.1 Cleaning 36
9.1.1 Cleaning Process Examples 36
9.1.2 Cleaning effect 36
9.1.3 Cleaning the Leakage Cavity 37
9.2 Passivation 37
10 Maintenance 38
10.1 Safety instructions 38
10.2 Inspections 39
10.2.1 Product contact seals 39
10.2.2 Pneumatic connections 39
10.2.3 Electrical connections 39
10.2.4 Signs on the valve 40
10.3 Maintenance intervals 40
10.4 Prior to disassembly 40
10.5 Disassembling the Valve 41
10.5.1 Removing the Control Top 41
10.5.2 Disconnecting the Valve from the Housing 42
10.5.3 Separating the valve from the drive 43
10.5.4 Disassembly of the valve insert. 44
10.5.5 Removing fitted components 45
10.6 Maintenance 45
10.6.1 Cleaning the Valve 45
10.6.2 Replacing the V-Ring 46
10.6.3 Lubricating seals and threads 48
10.7 Installation 49
10.7.1 Spring 49
10.7.2 Cleaning hood 49
10.7.3 Place the seating ring between the housings 50
10.7.4 Installing the Valve in the Housing 50
10.7.5 Checking assembly 51
10.7.6 Reconnect the cleaning hose 51
10.7.7 Torques for the Clamps and Clamp Connections 52
10.7.8 Checking the function 53
11 Alarms 55
11.1 Malfunctions and remedies 55
12 Decommissioning 56
12.1 Safety instructions 56
12.2 Disposal 56
12.2.1 General notes 56
12.2.2 Valve Actuator Disposal 56
13 Spare parts list - mixproof valve D 57
14 Spare parts list - double seat valve D_V, Longstroke 67
15 Spare parts list - double seat valve D_VC with lifting actuator, longstroke 69
16 Spare parts list - double seat valve D_VL with lifting actuator, longstroke 71
17 Dimension sheet - VARIVENT® double seat valve D 73
18 Appendix 75
18.1 Lists 75
18.1.1 Abbreviations and terms 75
430BAL008360EN_5
4 07.02.2022