Contents
EB 8026 EN 3
1 Safety instructions and measures ...................................................................5
1.1 Notes on possible severe personal injury .........................................................8
1.2 Notes on possible personal injury ...................................................................8
1.3 Notes on possible property damage................................................................9
2 Markings on the control valve......................................................................12
2.1 Valve nameplate ..........................................................................................12
2.2 Actuator nameplate......................................................................................13
2.3 Material number..........................................................................................13
3 Design and principle of operation ................................................................14
3.1 Fail-safe positions ........................................................................................14
3.2 Versions ......................................................................................................16
3.3 Technical data .............................................................................................16
4 Measures for preparation............................................................................20
4.1 Unpacking ..................................................................................................20
4.2 Transporting and lifting ................................................................................20
4.2.1 Transporting ................................................................................................21
4.2.2 Lifting..........................................................................................................21
4.3 Storage.......................................................................................................22
4.4 Preparation for installation............................................................................23
5 Mounting and start-up.................................................................................24
5.1 Mounting the actuator onto the valve.............................................................24
5.2 Installing the valve into the pipeline ...............................................................25
5.2.1 Checking the installation conditions...............................................................25
5.2.2 Additional ttings.........................................................................................26
5.2.3 Installing the control valve.............................................................................28
5.3 Quick check ................................................................................................29
6 Operation...................................................................................................30
6.1 Working in manual mode.............................................................................30
7 Servicing.....................................................................................................32
7.1 Replacing the gasket ....................................................................................33
7.1.1 Standard version..........................................................................................33
7.1.2 Version with insulating section or bellows seal................................................35