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Crane-Fisa S A
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Crane-Fisa S A
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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Adapter for features, characterized in that in the vicinity of the outlet of a particular pump and in communication with the entrance to the snail, a cylindrical transverse housing is located, occupied by a body also cylindrical by its ends, whose central area has a cross section recess formed by two surfaces, the lower one corresponding to the cylindrical itself and the upper convex towards the outside of the area, so that by acting on said body it is possible to modify the pitch and consequently the pressure and flow provided by the pump. (Machine-translation by Google Translate, not legally binding)