Air operated Pneumatic diaphragm pumps
QBY pumps are available in sizes 1/2" to 4" (12mm to 100mm) with flow rates from 0.8 m3/hour to 50 m3/hour and discharge heads to 60 metres.
The pumps are available in a variety of materials - stainless steel, aluminium, cast iron and polypropylene bodies. Diaphragms, balls and seats are also available in a variety of materials to suit any pumping requirement.
The pumps can be supplied bare or complete with suction and discharge port adaptors as required complete with air control valves and can be mounted within fabricated frames for ease of manoeuvrability on site.