Air-operated double diaphragm pump, polypropylene construction with PTFE diaphragm, and a flow rate of 8.8 GPM. Our self-priming diaphragm pump features a fully bolted polypropylene housing and double PTFE diaphragms, making it robust, corrosion-resistant, and leak-free. Sealed ball valves and trouble-free operation ensure excellent performance. It is perfectly suited for transferring viscous and flammable liquids. Our top-of-the-line self-priming diaphragm pump ensures the smooth operation of your processes.
High-quality double PTFE membranes
Excellent performance in compressed air operation
- Unique and professional designs
Robust housing made of polypropylene
The housing of the air-operated diaphragm pump is made of polypropylene, is fully screwed together, stable, and corrosion-resistant. Max. temperature: 150°F/66°C; Max. pressure: 100 psi.
PTFE double membrane
The self-priming pump features double PTFE diaphragms, offering high resistance to corrosion and aging. Max. flow rate: 8.8 GPM; Max. delivery head: 226.4 ft/69 m.
Professional air-powered designs
Our diaphragm pump meets international standards for reliable performance. Inlet/outlet port size: 1/2 inch; air inlet size: FNPT 1/4 inch.
Sealed ball valve
Ball valves and fluid caps are easily accessible for maintenance and repairs. Furthermore, the engine design ensures optimal air efficiency. An unbalanced air valve prevents stalling during operation.
Handle made of various materials
This air-operated diaphragm pump can pump many viscous and flammable liquids, including waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergents, drinking water, and so on.
Versatile applications
The double diaphragm pump is used in various industries, for example in the petroleum, metallurgy, mining, coating, printing, water treatment and automotive industries, etc.
- 1 x Air-operated double diaphragm pump QBY4-15
- 1 x Product manual
- Model: QBY4-15
- Body material: Polypropylene
- Membrane material: PTFE
- Inlet connection: 1/2 inch (12.7 mm)
- Outlet connection: 1/2 inch (12.7 mm)
- Air intake size: 1/4 inch (6.35 mm)
- Gas nozzle: 0.32 inch (8 mm)
- Maximum flow rate: 8.8 GPM
- Suction height: 0-5 m (0-16.4 ft)
- Max. suspended particles: 2.38 mm (3/32 inch)
- Maximum delivery head: 69 m (226.4 ft)
- Test seat material: Polypropylene