Oil Supported Diaphragm Pumps
Grosvenor’s Oil Supported Diaphragm pumps are variable output pumps with high efficiency ball valves.
High grade engineering plastics for wetted parts enable a wide range of aggressive liquids to be handled and the absence of any gland offers zero leakage.
Drive from vertical mounted motor is through a worm and wheel to the eccentric which operates a cam. The cam actuates a spring return push rod. The stroke is set by a manual adjusting micrometer screw giving calibrated adjustment of length with a 13:1 turn down ratio. These Pumps deliver up to 50 litres per hour and up to 70 bar pressure