GEA VARIVENT DN 25 User Manual

Name: GEA VARIVENT DN 25
Brand: GEA
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80 pages

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Hygienic valves

GEA VARIVENT

Double-Seat Valve Type R

Operating instruction (Translation from the original language)

430BAL008386EN_3

Table of Contents3
General Information5
Information on the Document5
Binding Character of These Operating Instructions5
Notes on the Illustrations5
Symbols and Highlighting5
Manufacturer Address6
Contact6
EU Declaration of Conformity in Accordance with the EC Machinery Directive 2006/42/EC7
Translated Copy of the EU - Declaration of Conformity in Accordance with the Pressure Equipment Directive 2006/42/EU8
Safety9
Intended Use9
Requirements for Operation9
Pressure Equipment Directive9
ATEX Directive9
Improper Operating Conditions10
Operator's Duty of Care10
Subsequent Changes11
General Safety Instructions and Dangers11
Principles for Safe Operation11
Environmental Protection12
Electrical Equipment12
Supplementary Regulations12
Qualification of Personnel12
Safety Equipment14
Signage14
Residual Dangers15
Hazard Areas16
Description18
Design18
Functional Description20
Leakage-Proof Shut-Off20
Cleaning Function20
Actuator Function20
Transport and Storage22
Storage Conditions22
Transport22
Scope of Supply23
Technical Data24
Type Plate24
Cleaning Connection25
Resistance and Permitted Operating Temperature of the Sealing Materials26
Pipe Ends - General Table of Measurements27
Tool28
Lubricants29
Weights29
Assembly and Installation30
Safety Instructions30
Notes on Installation30
Control Head30
Valve with Detachable Pipe Connection Elements30
Valve with Welded Ends31
Pneumatic Connections32
Air Requirement32
Establishing Hose Connections32
Electrical Connection with T.VIS Control Top33
Start-Up34
Safety Instructions34
Notes on Commissioning34
Operation and Control35
Safety Instructions35
Cleaning36
Cleaning Process Examples36
Cleaning Effect36
Cleaning the Leakage Cavity37
Passivation37
Maintenance38
Safety Instructions38
Inspections39
Product Contact Seals39
Pneumatic Connections39
Electrical Connections39
Signs on the Valve40
Maintenance Intervals40
Prior to Disassembly40
Disassembly41
Start Disassembly41
Removing the Control Top42
Disconnecting the Valve from the Housing44
Disassembling the Valve into Individual Parts44
Disassembly Balancer Plug45
Disassembly of the Housing Combination46
Installation46
Torques for the Clamps and Clamp Connections46
Assembling the Valve from Individual Parts46
Fitting the Control Top48
Assembly of the Housing Combination49
Assembly Balancer Plug50
Installing the Valve Insert in the Housing52
Checking the Function53
Maintenance54
Cleaning the Valve54
Replacing Seals55
10.7.2.1 Replacing V-Ring Double-Disk55
10.7.2.2 Replacing V-Ring RA Valve Disk57
10.7.2.3 Replace more Seals58
Lubricating Seals and Threads59
Alarms61
Malfunctions and Remedies61
Decommissioning62
Safety Instructions62
Disposal62
General Notes62
Valve Actuator Disposal62
Spare Parts List - Double Seat Valve R63
Dimension Sheet - VARIVENT® Double Seat Valve R75
Appendix77
Lists77
Abbreviations and Terms77

Brand	GEA
Model	VARIVENT DN 25
Category	Control Unit
Language	English

GEA VARIVENT DN 25 User Manual

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