SKU: YBGMBQBK-15000001V0
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VEVOR Air-Operated Double Diaphragm Pump, 1/2 Inch Inlet and Outlet, Cast Iron Housing, 3 GPM and max. 90 PSI, Pneumatic Nitrile Diaphragm Transfer Pump for Petroleum, Diesel, Oil
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- High-quality nitrile double diaphragms: Our air-operated double diaphragm pump uses durable, corrosion-resistant, and long-lasting nitrile diaphragms. Max. temperature: 150°F/66°C; Max. pressure: 90 psi; Max. flow rate: 3 GPM; Max. delivery head: 196.85 ft/60 m ± 15%.
- Robust and leak-proof construction: The housing of the diaphragm pump is made of cast iron, is screwed together to prevent leakage, and is robust and corrosion-resistant for long-term use.
- Excellent performance in compressed air operation: Inlet/outlet opening size: 1/2 inch; air inlet size: FNPT 1/4 inch. A high-quality Glyd ring, the double-acting seal, enhances air performance.
- Unique and professional design: Our double diaphragm pump features an externally available air distribution system. The modular air valve is made of stainless steel. This low-pulsation air valve ensures smooth and quick changes for increased efficiency and minimized downtime.
- Versatile applications: This diaphragm pump can process various liquids, such as waste oil, alcohol, hydraulic fluid, gasoline, diesel, cleaning agents, beverages, etc. It is used in many industries, such as petroleum, metallurgy, mining, coating, printing, water treatment and automotive.
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Air-operated double diaphragm pump, cast iron construction & nitrile diaphragm & 3 GPM flow rate. Our self-priming diaphragm pump features a fully bolted cast iron casing and double nitrile diaphragms, making it robust, corrosion-resistant, and leak-free. Sealed ball valves and trouble-free operation ensure excellent performance. It is perfectly suited for pumping viscous and flammable liquids. Our top-of-the-line self-priming diaphragm pump ensures the smooth operation of your processes.
High-quality double membranes made of nitrile
Excellent performance in compressed air operation
- Unique and professional designs

Robust cast iron housing
The housing of the air-operated diaphragm pump is made of cast iron, is fully bolted, stable, and corrosion-resistant. Max. temperature: 150°F/66°C; Max. pressure: 90 psi.

Nitrile double membrane
The self-priming pump features double nitrile diaphragms, offering high resistance to corrosion and aging. Max. flow rate: 3 GPM; Max. delivery head: 196.85 ft/60 m ±15%.

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.

- Model: QBK-15
- Color: Blue
- Body material: Cast iron
- 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: 3 GPM
- Suction height: 0-5 m (0-16.4 ft)
- Max. delivery head: 196.85 ft/60 m±15%
- Maximum PSI: 90 psi

- 1 x Air-operated double diaphragm pump
- 1 x Product manual


Air-operated double diaphragm pump, cast iron construction & nitrile diaphragm & 3 GPM flow rate. Our self-priming diaphragm pump features a fully bolted cast iron casing and double nitrile diaphragms, making it robust, corrosion-resistant, and leak-free. Sealed ball valves and trouble-free operation ensure excellent performance. It is perfectly suited for pumping viscous and flammable liquids. Our top-of-the-line self-priming diaphragm pump ensures the smooth operation of your processes.
High-quality double membranes made of nitrile
Excellent performance in compressed air operation
- Unique and professional designs

Robust cast iron housing
The housing of the air-operated diaphragm pump is made of cast iron, is fully bolted, stable, and corrosion-resistant. Max. temperature: 150°F/66°C; Max. pressure: 90 psi.

Nitrile double membrane
The self-priming pump features double nitrile diaphragms, offering high resistance to corrosion and aging. Max. flow rate: 3 GPM; Max. delivery head: 196.85 ft/60 m ±15%.

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
- 1 x Product manual

- Model: QBK-15
- Color: Blue
- Body material: Cast iron
- 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: 3 GPM
- Suction height: 0-5 m (0-16.4 ft)
- Max. delivery head: 196.85 ft/60 m±15%
- Maximum PSI: 90 psi
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