HOW IT WORKS

The compressed air introduced by the pneumatic exchanger (a) behind one of the two diaphragms generates compression and pushes the product into the delivery duct (b), at the same time the opposing diaphragm that is integral with the exchanger shaft creates a vacuum and intakes the fluid (c).
Once the stroke has been completed, the pneumatic exchanger diverts the compressed air behind the opposing diaphragm and the cycle is reversed.

DIAPHRAGMS

RUBBER DIAPHRAGMS (LONG LIFE)

They are made from rubber compounds with special additives that improve chemical properties as well as mechanical bending and strength characteristics. These diaphragms have a nylon backing cloth that improves stress distribution:

NBR: inexpensive and particularly suited to petroleum, abrasives and oil-based liquids. EPDM: good acid, alkaline and abrasion resistance, as well as good flexibility even at low temperatures.	NBR EPDM

 

THERMOPLASTIC DIAPHRAGM

They are made from thermoplastic polymers that provide high mechanical stress resistance and distribution.

POLYURETHANE: excellent abrasion resistance and ideal for general use. HYTREL: good abrasion resistance and suitable for food processing. SANTOPRENE®: excellent acid and alkaline resistance, high flexural strength and good abrasion resistance.	POLYURETHANE HYTREL SANTOPRENE

 

 

 

PTFE DIAPHRAGMS

This material is noted for its excellent resistance to high temperatures, chemicals and corrosive agents. PTFE diaphragms are subjected to a double heat treatment in order to increase elasticity and service life. This diaphragm can be fitted together with one of those previously mentioned in order to increase resistance to the liquid’s corrosive chemicals and temperature.	PTFE

 

 

INSTALLATION

Diaphragm pumps should be bolted horizontally to the feet or provided holes.