Air-operated double diaphragm pump, constructed from aluminum alloy with a PTFE diaphragm, and a flow rate of 24 GPM. Our self-priming diaphragm pump features a fully bolted aluminum alloy 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 ideal for transferring viscous and flammable liquids. Our premium 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 aluminum alloy
The housing of the air-operated diaphragm pump is made of an aluminum alloy, is fully bolted, 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: 24 GPM; Max. delivery head: 229.6 ft/70 m ±15%.
Professional air-powered designs
Our diaphragm pump meets international standards for reliable performance. Inlet/outlet port size: 1 inch; air inlet size: FNPT 1/2 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
- 1 x Product manual
- Model: QBY4-25L F46
- Type: Air-operated double diaphragm
- Membrane material: PTFE
- Body material: Aluminum alloy
- Inlet/outlet connection: 1 inch (25 mm)
- Air intake size: NPT 1/2 inch (12.7 mm)
- Maximum flow rate: 24 GPM
- Max. delivery head: 229.6 ft/70 m±15%
- Valve type: Ball
- Suction height: 0-5 m (0-16.4 ft)
- Max. suspended particles: 3 mm (1/8 inch)
- Average air consumption: 38 CFM
- Self-priming, dry: 3 m (10 ft)
- Self-priming wet: 4.6 m (15 ft)