Flow-force

Positive return pumps

Positive Return Sandwich Hydraulic Diaphragm pumps are manufactured according to API 675.

SDI pumps are appropriate for use when:
  •  The liquid to dose contains small amounts of suspended solids 
  •  The dosed liquid is a toxic solution 
  •  Liquid leaking are not accepted. 
Category:

The hydraulic circuit has a built-in safety valve installed to protect the diaphragm from excessive pressure.

The peculiarity of this pump is the special sandwich diaphragm and the reliability of the diaphragm rupture detection system. 

Accuracy is better than 1% from 10 to 100% of the stroke adjustment. 

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