Samson 3222/5857 series Mounting And Operating Instructions

Samson 3222/5857 series Mounting And Operating Instructions Manual pdf 9 page image

EB 5866 EN 9Safety instructions and measures1.2 Notes on possible personal injuryWARNING!Crush hazard arising from moving parts.The pneumatic control valve (Type 3222/2780) contains moving parts (actuator andplug stems), which can injure hands or fingers if inserted into the valve.Î While working on the control valve, disconnect and lock the pneumatic air supplyas well as the control signal.Risk of personal injury when the pneumatic actuator vents.While the valve is operating, the pneumatic actuator (Type 2780) may vent duringclosed-loop control or when the valve opens or closes.Î Install the control valve in such a way that the actuator does not vent at eye level.Î Use suitable silencers and vent plugs.Î Wear eye protection when working in close proximity to the control valve.Risk of personal injury due to residual process medium in the valve.While working on the valve, residual process medium can escape and, depending onits properties, may lead to personal injury, e.g. burns.Î If possible, drain the process medium from all the plant sections concerned and thevalve.Î Wear protective clothing and gloves.Risk of burn injuries due to hot components and pipelines.Depending on the process medium, valve components, and pipelines may get very hotand cause burn injuries.Î Allow components and pipelines to cool down.Î Wear protective clothing and gloves.