Technical characteristics
26
6.3
Principle of operation
Expected use
These pumps coupled to air or hydraulic motors are intended for
transferring or spraying different liquid or pasty products with a desired
flow rate and output pressure.
Functional description
When the piston (1) rises, check-valves 2 and 5 close, while check-
valves 3 and 4 open. The piston (1) expels the product from the upper
chamber (V2) to the outside and sucks the product to fill the lower
chamber (V1).
When the piston (1) is lowered, check-valves 2 and 5 open, while
check-valves 3 and 4 close. The piston (1) sucks in the product to fill the
upper chamber (V2) and expels the product from the lower chamber
(V1) outwards.
