SW-4E Flow transducer 3 / 4″, brass, mechanical, with paddle

Mechanical paddle flow transducer RHEASREG~ SW. Suitable as flow monitor for liquid and gaseous media in pipes and hydraulic systems from 3/8″through 1/2″ to 8″ diameter, as flow monitor or as water fault protection, e.g. for pumps in oil and cooling circuits, evaporators, compressors and heat exchangers, made of m/ssing or stainless steel.