Samson 3525 Mounting And Operating Instructions

ContentsEB 8823 EN 31 Safety instructions and safety measures .........................................................51.1 Notes on possible severe personal injury .........................................................71.2 Notes on possible personal injury ...................................................................71.3 Notes on possible property damage ................................................................92 Markings on the control valve ......................................................................102.1 Valve nameplate ..........................................................................................102.2 Actuator nameplate......................................................................................112.3 Material number ..........................................................................................113 Design and principle of operation ................................................................123.1 Fail-safe positions ........................................................................................143.2 Technical data .............................................................................................154 Preparation .................................................................................................204.1 Unpacking ..................................................................................................204.2 Transporting and lifting ................................................................................204.2.1 Transporting ................................................................................................214.2.2 Lifting..........................................................................................................214.3 Storage .......................................................................................................234.4 Preparation for installation ............................................................................245 Mounting and start-up .................................................................................265.1 Mounting the actuator onto the valve .............................................................265.2 Installing the valve into the pipeline ...............................................................265.2.1 Checking the installation conditions ...............................................................265.2.2 Additional fittings.........................................................................................285.2.3 Installing the control valve .............................................................................285.3 Quick check ................................................................................................296 Operation ...................................................................................................306.1 Reversing the flow direction ..........................................................................307 Maintenance ...............................................................................................327.1 Standard version..........................................................................................337.1.1 Replacing the O-rings ..................................................................................337.1.2 Replacing the packing ..................................................................................367.1.3 Replacing the seat and plug ..........................................................................387.1.4 Tools and tightening torques..........................................................................39