The SP provides a very wide range of pump displacements including the ability to use tandem pumps which on 250 size
and above give a very compact solution using an internal gear pump for boost and servo pressures. 180 size and below are also available in tandem but using an external boost and servo pump. Tandem pumps enable one electric motor to load share two drives which can save space, improve effi ciency and economy. In some applications however care with emergency stop must be taken when two completely separate drives are being considered. The SP therefore enables very good possibilities to optimize to the most effi cient and appropriate drive selection.
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