Name: GEA VARIVENT N
Brand: GEA
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Hygienic valves

GEA VARIVENT

Shut-off valve type N and U, U_R, N_V and U_V

Operating instruction (Translation from the original language)

430BAL008302EN_10

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
Safety8
Intended Use8
Requirements for Operation8
Pressure Equipment Directive8
ATEX Directive8
Improper Operating Conditions8
Operator's Duty of Care9
Subsequent Changes10
General Safety Instructions and Dangers10
Principles for Safe Operation10
Environmental Protection10
Electrical Equipment11
Supplementary Regulations11
Qualification of Personnel11
Safety Equipment12
Signage12
Residual Dangers13
Danger Zones14
Description16
Design16
Functional Description18
Valve N18
Valve U18
Transport and Storage20
Storage Conditions20
Transport20
Scope of Supply21
Technical Data22
Type Plate22
Resistance and Permitted Operating Temperature of the Sealing Materials25
Pipe Ends - General Table of Measurements26
Tool27
Lubricants27
Weights27
Assembly and Installation29
Safety Instructions29
Notes on Installation29
Control Head29
Valve with Detachable Pipe Connection Elements29
Valve with Welded Ends30
Pneumatic Connections31
Air Requirement31
Establishing Hose Connections31
Electrical Connection with T.VIS Control Top32
Start-Up33
Safety Instructions33
Notes on Commissioning33
Operation and Control34
Safety Instructions34
Cleaning35
Cleaning Process Examples35
Cleaning Results35
Passivation36
Maintenance37
Safety Instructions37
Inspections38
Product Contact Seals38
Pneumatic Connections38
Electrical Connections38
Maintenance Intervals39
Prior to Disassembly39
Disassembling Valve N40
Detaching the Clamp Connection (43.1)40
Removing the Control Top42
Disconnecting the Valve from the Housing43
Removing the Valve Disk44
Disassembling Valve U45
Detaching the Clamp Connection46
Removing the Valve Disk49
Maintenance51
Cleaning the Valve51
Replacing the V-Ring51
Exchanging the O-Ring (TEFASEP Gold)53
Lubricating Seals and Threads55
Installation56
Reversing the Resting Position56
Installing the Valve57
Torques for the Clamps and Clamp Connections58
Checking the Function59
Alarms60
Malfunctions and Remedies60
Decommissioning61
Safety Instructions61
Disposal61
General Notes61
Valve Actuator Disposal61
Parts List - Shut-Off Valve N62
Parts List - Shut-Off Valve N_V70
Parts List - Shut-Off Valve U75
Parts List - Shut-Off Valve U_V83
Parts List - Shut-Off Valve U_R86
Dimension Sheet - Shut-Off Valve N94
Dimension Sheet - Shut-Off Valve U96
Dimensional Sheet - Shut-Off Valve U_R98
Appendix100
Lists100
Abbreviations and Terms100

Brand	GEA
Model	VARIVENT N
Category	Control Unit
Language	English

GEA VARIVENT N User Manual

Table of Contents

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GEA VARIVENT N Specifications

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