
- Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 90 psi; Max. Flow Rate:3 GPM; Max Head Lift:196.85 ft/60 m±15%.
- Sturdy & Leak-proof Construction: The diaphragm pump housing is made of stainless steel material, bolted against leakage, sturdy, and corrosion-proof for long-time use.
- Excellent Air-operated Performance: Inlet/Outlet Port Size: 1/2 inch; Air Inlet Size: FNPT 1/4 inch. A high-quality glyd ring, the double-acting sealing, strengthens air performance.
- Unique & Professional Designs: Our double diaphragm pump features an externally available air distribution system. The modular air valve is stainless. This low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes downtime.
- Wide Applications: This diaphragm pump can handle various fluids, such as waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drink, and so on. It is widely used in many industries, such as petroleum, metallurgy, mining, coating, printing, water treatment, and automobile.
Key Features
-
Sturdy Stainless Steel Body
The shell of the air-operated diaphragm pump adopts stainless steel construction, all bolted, solid, and corrosion-proof. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 90 psi.
-
PTFE Double Diaphragm
The self-priming pump features double PTFE diaphragms, which have high resistance to corrosion and aging. Max. Flow Rate:3 GPM; Max Head Lift:196.85 ft/60 m±15%.
-
Professional Air-Operated Designs
Our diaphragm pump is built to meet the international standard for reliable performance. Inlet/Outlet Port Size: 1/2 inch; Air Inlet Size: FNPT 1/4 inch.
-
Sealed Ball Valve
It is easily accessible to ball checks and fluid caps for maintenance and repairs. In addition, the motor design delivers optimum air efficiency. An “Unbalanced" air valve ensures no-stalling during operation.
-
Handle Various Material
This air-operated diaphragm pump can transfer many viscous and flammable fluids, including waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drinking water, and so on.
-
Versatile Uses
The double diaphragm pump has applications in various industries like petroleum, metallurgy, mining, coating. printing, water treatment, automobile, etc.

Excellent Air-operated Performance
- Unique & Professional Designs
Specifications
- Model: QBK-15P
- Pump Body Material: Stainless Steel
- Inlet Port: 1/2 inch (12.7 mm)
- Outlet Port: 1/2 inch (12.7 mm)
- Air Inlet Size: 1/4 inch (6.35 mm)
- Gas Nozzle: 0.32 inch (8 mm)
- Max. Suspended Solids: 1/8 inch (3.18 mm)
- Max Flow Rate: 2 GPM
- Suction: 0-5 m (0-16.4 ft)
- Max Head: 196.85 ft/60 m±15%
- Max PSI: 90 psi
- Max. Fluid Temp.: 122 ℉
- Average Air Consumption: 10 CFM
Package Content
- 1 x Air-Operated Double Diaphragm Pump
- 1 x Product Manual

Features & Details
- Premium Double PTFE Diaphragms: Our air-operated double diaphragm pump adopts PTFE diaphragms, durable, corrosion-proof, and long-lasting. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 90 psi; Max. Flow Rate:3 GPM; Max Head Lift:196.85 ft/60 m±15%.
- Sturdy & Leak-proof Construction: The diaphragm pump housing is made of stainless steel material, bolted against leakage, sturdy, and corrosion-proof for long-time use.
- Excellent Air-operated Performance: Inlet/Outlet Port Size: 1/2 inch; Air Inlet Size: FNPT 1/4 inch. A high-quality glyd ring, the double-acting sealing, strengthens air performance.
- Unique & Professional Designs: Our double diaphragm pump features an externally available air distribution system. The modular air valve is stainless. This low pulsation air valve provides smooth and rapid changeover for increased efficiency and minimizes downtime.
- Wide Applications: This diaphragm pump can handle various fluids, such as waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drink, and so on. It is widely used in many industries, such as petroleum, metallurgy, mining, coating, printing, water treatment, and automobile.
Key Features
-
Sturdy Stainless Steel Body
The shell of the air-operated diaphragm pump adopts stainless steel construction, all bolted, solid, and corrosion-proof. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 90 psi.
-
PTFE Double Diaphragm
The self-priming pump features double PTFE diaphragms, which have high resistance to corrosion and aging. Max. Flow Rate:3 GPM; Max Head Lift:196.85 ft/60 m±15%.
-
Professional Air-Operated Designs
Our diaphragm pump is built to meet the international standard for reliable performance. Inlet/Outlet Port Size: 1/2 inch; Air Inlet Size: FNPT 1/4 inch.
-
Sealed Ball Valve
It is easily accessible to ball checks and fluid caps for maintenance and repairs. In addition, the motor design delivers optimum air efficiency. An “Unbalanced" air valve ensures no-stalling during operation.
-
Handle Various Material
This air-operated diaphragm pump can transfer many viscous and flammable fluids, including waste oil, alcohol, hydraulic fluid, gasoline, diesel, detergent, drinking water, and so on.
-
Versatile Uses
The double diaphragm pump has applications in various industries like petroleum, metallurgy, mining, coating. printing, water treatment, automobile, etc.

Excellent Air-operated Performance
- Unique & Professional Designs
Specifications
- Model: QBK-15P
- Pump Body Material: Stainless Steel
- Inlet Port: 1/2 inch (12.7 mm)
- Outlet Port: 1/2 inch (12.7 mm)
- Air Inlet Size: 1/4 inch (6.35 mm)
- Gas Nozzle: 0.32 inch (8 mm)
- Max. Suspended Solids: 1/8 inch (3.18 mm)
- Max Flow Rate: 2 GPM
- Suction: 0-5 m (0-16.4 ft)
- Max Head: 196.85 ft/60 m±15%
- Max PSI: 90 psi
- Max. Fluid Temp.: 122 ℉
- Average Air Consumption: 10 CFM
Package Content
- 1 x Air-Operated Double Diaphragm Pump
- 1 x Product Manual