Samson 3277 - Default Chapter; Table of Contents

Contents
EB 8310-6 EN
1 Safety instructions and measures ................................................................1-1
1.1 Notes on possible severe personal injury ......................................................1-3
1.2 Notes on possible personal injury ................................................................1-4
1.3 Notes on possible property damage .............................................................1-5
1.4 Warnings on the device ...............................................................................1-6
2 Markings on the device ..............................................................................2-1
2.1 Actuator nameplate .....................................................................................2-1
2.2 Label indicating actuator with preloaded springs ...........................................2-2
3 Design and principle of operation ...............................................................3-1
3.1 Type3271 ..................................................................................................3-1
3.2 Type3277 ..................................................................................................3-2
3.3 Direction of action .......................................................................................3-2
3.4 Signal pressure routing ................................................................................3-3
3.4.1 Type3271 ..................................................................................................3-3
3.4.2 Type3277 ..................................................................................................3-3
3.5 Fail-safe action ...........................................................................................3-3
3.5.1 Version with direction of action "actuator stem extends" .................................3-3
3.5.2 Version with direction of action "actuator stem retracts" .................................3-4
3.6 Versions .....................................................................................................3-4
3.7 Accessories ................................................................................................3-4
3.8 Technical data ............................................................................................3-5
4 Shipment and on-site transport ...................................................................4-1
4.1 Accepting the delivered goods .....................................................................4-1
4.2 Removing the packaging from the actuator ...................................................4-1
4.3 Transporting and lifting the actuator .............................................................4-1
4.3.1 Transporting the actuator .............................................................................4-2
4.3.2 Lifting the actuator ......................................................................................4-2
4.4 Storing the actuator .....................................................................................4-5
5 Mounting and assembly .............................................................................5-1
5.1 Preparation for installation ...........................................................................5-1
5.2 Mounting the device ....................................................................................5-1
5.2.1 Mounting the actuator onto the valve ............................................................5-2
5.2.2 Connecting the air supply ............................................................................5-4