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Motor-operated valve Pressure reducing valve – spring
Pressure reducing valve – pilot
More symbols are shown in the next module on hydraulics. Exercise 15.1
1. Name the five main components that make up a pneumatic system. 2. State three maintenance jobs that must be carried out daily on such a system. 3. Give three reasons for picking air tools rather than electric power tools.
4. Sketch the symbols for the following pneumatic symbols: an air receiver, an inline, filter, dryer and a flow control valve.