Table Of Contents - Vag EKN AWWA Operation And Maintenance Instructions

Table of Content
1 General
1.1 Safety
1.2 Warning levels
1.3 Proper use
1.4 Identification
2 Transport and Storage
2.1 Transport
2.2 Storage
3 Product features
3.1 Features and function description
3.2 Applications
3.3 Performance limits
3.3.1 Cavitation
3.3.2 Maximum permissible flow velocity
3.4 Permissible and impermissible modes of
operation
4 Installation into the pipeline
4.1 Conditions required on site
4.2 Installation location
4.2.1 Installations in the pipeline upstream and down-
stream of the valve
4.2.2 Gear positions
4.3 Installation position
4.4 Assembly instructions and fittings
5 Set-up and operation of the valve
5.1 Visual inspection and preparation
5.2 Function check and pressure test
5.3 Putting electric actuators into operation
6 Actuators
6.1 General
6.2 Operating torques
6.3 Emergency manual operation (handwheel)
6.4 Assembly of the electric actuator
7 Maintenance and repair
7.1 General safety instructions
7.2 Inspection and operation intervals
7.3 Maintenance work and replacement of parts
7.3.1 Design
7.3.2 Recommendations for the replacement of
parts
7.3.3 Cleaning and lubrication
VAG reserves the right to make technical changes and
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use materials of similar or better quality without express
notice. The pictures are non-binding.
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7.3.4 Replacement of the profile seal
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7.3.5 Replacement of the O-rings in the bearing
8 Trouble-shooting
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9 How to contact us
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