Samson 3321, Mounting And Operating Instructions

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Contents
EB 8111/8112 EN 3
1 Safety instructions and measures ...................................................................5
1.1 Notes on possible severe personal injury ......................................................... 7
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 ........................................................................................ 16
3.2 Mounting types ............................................................................................ 16
3.3 Technical data ............................................................................................. 18
4 Measures ....................................................................................................22
4.1 Unpacking .................................................................................................. 22
4.2 Transporting and lifting ................................................................................ 22
4.2.1 Transporting ................................................................................................ 23
4.2.2 Lifting .......................................................................................................... 23
4.3 Storage ....................................................................................................... 25
4.4 Preparation for installation ............................................................................ 26
5 Mounting and start-up .................................................................................28
5.1 Mounting the actuator onto the valve ............................................................. 28
5.2 Installing the valve into the pipeline ............................................................... 28
5.2.1 Checking the installation conditions ............................................................... 28
5.2.2 Additional fittings ......................................................................................... 30
5.2.3 Installing the control valve ............................................................................. 31
5.3 Quick check ................................................................................................ 31
6 Operation ...................................................................................................34
7 Servicing.....................................................................................................36
7.1 Replacing the gasket .................................................................................... 38
7.1.1 For mounting using crossbeam and central nut (Form B) .................................. 38
7.1.2 For mounting on rods (Form C) ...................................................................... 39