GEA VARIVENT N, Инструкция по эксплуатации

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9.1 Cleaning 35
9.1.1 Cleaning Process Examples 35
9.1.2 Cleaning results 35
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 Valve N 40
10.5.1 Detaching the Clamp Connection (43.1) 40
10.5.2 Removing the Control Top 42
10.5.3 Disconnecting the Valve from the Housing 43
10.5.4 Removing the Valve Disk 44
10.6 Disassembling Valve U 45
10.6.1 Detaching the Clamp Connection (46) 45
Removing the Valve Disk 49
10.7 Maintenance 51
10.7.1 Cleaning the Valve 51
10.7.2 Replacing the V-Ring 51
10.7.3 Exchanging the O-ring (TEFASEP gold) 53
10.7.4 Lubricating Seals and Threads 55
10.8 Installation 56
10.8.1 Reversing the resting position 56
10.8.2 Installing the Valve 57
10.8.3 Torques for the Clamps and Clamp Connections 58
10.8.4 Checking the function 59
11 Alarms 60
11.1 Malfunctions and remedies 60
12 Decommissioning 61
12.1 Safety instructions 61
12.2 Disposal 61
12.2.1 General notes 61
12.2.2 Valve Actuator Disposal 61
13 Parts list - shut-off valve N 62
14 Parts list -
shut-off valve
N_V 70
15 Parts list -
shut-off valve
U 75
16 Parts list - shut-off valve U_V 83
17 Parts list - shut-off valve U_R 86
18 Dimension sheet -
shut-off valve
N 94
19 Dimension sheet -
shut-off valve
U 96
20 Dimensional sheet - shut-off valve U_R 98
21 Appendix 100
21.1 Lists 100
21.1.1 Abbreviations and terms 100
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4 16.03.2023