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SINGLE ACTING CYLINDER
























                                        Figure 8.2: Single acting cylinder




               This cylinder is applied to only one side of the piston face. The other


               side is open to atmosphere. The cylinder can produce work in only one


               direction. The return movement of the piston is affected by a built

               spring or by the application of an external force.














                             Non-Return                                         Return
                                Spring                                          Spring





                           Figure 8.3: Standard symbol of single acting cylinder






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