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Priority to ES0035683UpriorityCriticalpatent/ES35683Y/en
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Calculation rule for pressure losses in water pipes, characterized in that it is essentially constituted by an enclosing piece, inside which slides a complementary cursor or slide, this reglilla being provided with two scales, one upper and one lower, which indicate respectively the loss of load of the pipeline and the volume of its flow. Both scales correspond to two other fixed scales, marked on the enclosing piece, of which the upper one indicates the length of the conduction, and the lower one the diameter of the same. (Machine-translation by Google Translate, not legally binding)
ES0035683U1953-04-141953-04-14
Calculation rule for head losses in water pipes
ExpiredES35683Y
(en)
New oil and gasoline mixer measuring device with oil piston variator and measuring safety device (Machine-translation by Google Translate, not legally binding)