Samson 2412 Series Mounting And Operating Instructions

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Samson 2412 Series Mounting And Operating Instructions Manual pdf 35 page image

EB 2512 EN 35Start-up and operation− Make sure that the pressure rises simulta-neously upstream and downstream of theregulator to avoid damaging the balanc-ing bellows.− Do not allow the pressure to exceed the1.5 times the nominal pressure of thevalve body.− The valve must remain open. Therefore,set the maximum set point to ensure thatthe regulator does not close. Alternative-ly, detach the control line and seal theopening at the valve body with a G ¼stopper.6.2 OperationThe regulator is ready for use when mount-ing and start-up have been completed.Crush hazard arising from moving parts.Do not insert hands or fingers into the setpoint springs while the regulator is in opera-tion.Risk of burn injuries due to hot or very coldcomponents and pipelines.Depending on the process medium, valvecomponents and pipelines may get very hotor cold and cause burn injuries.Wear protective clothing and safety gloves.WARNING!WARNING!6.3 Starting up the plantÎ Refer to Fig. 3Î Start up the regulator after mounting allparts. Make sure the control line is openand correctly connected.Î Open the shut-off valves slowly prefera-bly starting from the upstream pressureside. Afterwards, open all the valves onthe consumer side (downstream of theregulator).Î Fill the plant slowly with the process me-dium. Avoid pressure surges.Î Make sure that the pressure rises simulta-neously upstream and downstream of theregulator to avoid damaging the balanc-ing bellows.