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Fischer – DS21 – Differential Pressure Switch

Description

Fischer – DS21 – Differential Pressure Switch

 

The Differential Pressure switch DS21 is a measuring and switch unit for measuring differential pressure under difficult measuring conditions such as: pressure surges, vibrations, frequent switching and high demands on the switching output.

 

This differential pressure switch is used as flow guards in heat transfer oil systems in compliance with DIN 32727 and hot water systems in  compliance with VdTÜV information sheet “Flow 100”. The flow guards comprise a differential pressure transducer, e.g. a measuring orifice, the differential pressure measuring and switch unit and shut-off fittings.

 

The differential pressure switch can be supplied with either Aluminium or Stainless steel differential pressure chambers.