GEA VARIVENT X R Series - Page 90

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90 / 104 - 9.7 Maintenance

0000000881 - 001 - EN-GB

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Table of Contents3
Table of Contents6
General7
Information about the Document7
Purpose and Structure of the Document7
Design Elements7
Reading Obligation and Storage8
Manufacturer Address8
Customer Service8
Declarations of Conformity9
Safety13
Intended Use13
Requirements for the Operation13
Pressure Equipment Directive13
ATEX Directive13
Improper Operating Conditions14
Modification14
Structure of Warning Notices14
Preceding Warning Notices14
Integrated Warning Notices14
Signal Words14
Personnel Qualification15
General Safety Instructions15
General Hazard16
Mechanical Hazard16
Electrical Hazard16
Thermal Hazard16
Personal Protective Equipment17
Safety Devices17
Residual Hazards17
Safety Signs19
Emergency Measures20
Description21
Set-Up and Function21
Design21
Functional Description23
Spring-To-Close Actuator Function (NC)23
Spring-To-Open Actuator Function (NO)24
Modifying the Actuator Closing Direction24
Signs27
Protective Devices28
Technical Data28
Type Plate28
Resistance of the Sealing Materials30
Pipe Ends - General Table of Measurements31
Lubricants32
Storage and Transport33
Scope of Supply33
Storage33
Transport34
Assembly and Installation35
Notes on Installation35
Control Top35
Install the Valve with Detachable Pipe Connection Elements35
Install Valve with Welding Ends35
Checking the Pneumatic Connection37
Air Requirement37
Establishing Hose Connections37
Electrical Connection with T.VIS Control Top39
Commissioning41
Preparing Commissioning41
Restarting42
Operation and Control43
Start-Up43
Monitoring Operation43
Shutdown43
Cleaning45
General Points45
Cleaning Process Examples45
Cleaning Results46
Passivation46
Maintenance47
Carrying out Inspections47
Checking Seals that Come into Contact with the Product47
Checking the Pneumatic Connection47
Checking the Electrical Connection48
Checking the Signs on the Valve48
Servicing Intervals48
List of Tools48
Prior to Removal50
Removing the Valve50
Removing the Clamp Connection between the Housing and Lantern50
Removing the Control Top57
Remove Connection59
Remove INI Holder60
Disconnecting the Valve Insert from the Housing60
Dismantling the Valve Insert into Individual Parts62
Dismantling of the Housing Combination64
Installing the Valve64
Tightening Torques64
Assembling the Valve Insert from Individual Parts65
Assembly of the Housing Combination68
Placing the Valve Insert in the Housing69
Mounting the Control Top69
Mounting Connection71
Mount INI Holder72
Mounting the Clamp Connection between the Housing and Lantern72
Checking the Function80
Maintenance81
Cleaning the Valve81
Replacing the V-Ring82
Replacing the V-Ring RA on the Valve Disk84
Lubricating Seals and Threads87
Faults89
Decommissioning, Dismantling and Disposal91
Decommissioning91
Dismantling91
Spare Parts93
Order Information93
Spare Parts Lists94

GEA VARIVENT X R Series - Page 90

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