Pneumatic Diaphragm Pump

QBY range · air-driven · no electric motor at the pump

Largest model QBY-100: 40 m³/h · head 50 m · particles to 10 mm

Email: tradingsunton@gmail.com · WhatsApp: +86 173 0677 2035

Key specifications

Model	Outlet (mm)	Capacity (m³/h)	Head (m)	Suction (m)	Max particle (mm)
QBY-10	10	0.8	50	1	1
QBY-15	15	1	50	1	1
QBY-20	20	1.8	50	5	2.5
QBY-25	25	2.4	50	5	2.5
QBY-32	32	5.6	50	5	4.5
QBY-40	40	8	50	5	4.5
QBY-50	50	18	50	5	8
QBY-65	65	24	50	5	8
QBY-80	80	27	50	5	10
QBY-100	100	40	50	5	10

Diaphragm and body materials are selected per liquid — tell us your medium and we confirm the combination before quoting.

Runs on compressed air — suited to flammable, explosive and volatile liquid areas
Handles corrosive, particle-laden, high-viscosity and toxic liquids, and can pump a tank dry
Body materials: cast iron, stainless steel, aluminium alloy, engineering plastic or F46-lined
Diaphragms in nitrile, neoprene, fluororubber or PTFE (F46), matched to the liquid
Liquid temperature up to 100 °C
Typical duties: paint and pigment slurries, adhesives, ceramic glaze slip, mine and ship-bilge water, filter-press feed

All available files for this model — ready to download.

Data sheet (PDF) — SP-QBY · 37 KBDownload

Structure & parts (PDF) — SP-QBY · 91 KBDownload

Send flow, head, liquid and voltage/frequency. You get a model recommendation with a quotation, usually within one working day.