SKU: YBGMBQBY4-50L0001V0
Top highlights
- Durable nitrile diaphragms with max flow rate of 75 GPM and pressure of 120 psi.
- Aluminum alloy housing ensures leak-proof and corrosion-resistant performance.
- Externally accessible air valve minimizes downtime and enhances efficiency.
AI Summarized from product information
Specifications
- Model QBY4-50L
- Type Air-operated Double diaphragm
- Diaphragm Material Nitrile
- Body Material Aluminum Alloy
- Inlet/Outlet Port 2 inch (50 mm)
- Air Inlet Size NPT 1/2 inch (12.7 mm)
About this item
Description


Air-Operated Double Diaphragm Pump Aluminum Alloy Construction & Nitrile Diaphragm & 75 GPM Flow Rate Our self-priming diaphragm pump features an all-bolted aluminum alloy body and double nitrile diaphragms, sturdy and corrosion-proof, without leakage. Sealed ball valves and non-stall operation provides outstanding performance. It is perfect for transferring viscous and flammable fluids. Our top of the line self-priming diaphragm pump will ensure your operations are flowing smoothly.
Premium Double Nitrile Diaphragms
Excellent Air-operated Performance
- Unique & Professional Designs

Sturdy Aluminum Alloy Body
The shell of the air-operated diaphragm pump adopts aluminum alloy construction, all bolted, solid, and corrosion-proof. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 120 psi.

Nitrile Double Diaphragm
The self-priming pump features double nitrile diaphragms, which have high resistance to corrosion and aging. Max. Flow Rate:75 GPM; Max Head Lift:275.6 ft/84 m.

Professional Air-Operated Designs
Our diaphragm pump is built to meet the international standard for reliable performance. Inlet/Outlet Port Size: 2 inch; Air Inlet Size: FNPT 1/2 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.

- Model: QBY4-50L
- Type: Air-operated Double diaphragm
- Diaphragm Material: Nitrile
- Body Material: Aluminum Alloy
- Inlet/Outlet Port: 2 inch (50 mm)
- Air Inlet Size: NPT 1/2 inch (12.7 mm)
- Max Flow Rate: 75 GPM
- Max Head: 84 m (275.59 ft)
- Valve Type: Ball
- Suction: 0-5 m (0-16.4 ft)
- Max Suspended Solids: 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)

- 1 x Air-Operated Double Diaphragm Pump
- 1 x Product Manual


Air-Operated Double Diaphragm Pump Aluminum Alloy Construction & Nitrile Diaphragm & 75 GPM Flow Rate Our self-priming diaphragm pump features an all-bolted aluminum alloy body and double nitrile diaphragms, sturdy and corrosion-proof, without leakage. Sealed ball valves and non-stall operation provides outstanding performance. It is perfect for transferring viscous and flammable fluids. Our top of the line self-priming diaphragm pump will ensure your operations are flowing smoothly.
Premium Double Nitrile Diaphragms
Excellent Air-operated Performance
- Unique & Professional Designs

Sturdy Aluminum Alloy Body
The shell of the air-operated diaphragm pump adopts aluminum alloy construction, all bolted, solid, and corrosion-proof. Max. Temperature: 150 ℉/66 ℃; Max. Pressure: 120 psi.

Nitrile Double Diaphragm
The self-priming pump features double nitrile diaphragms, which have high resistance to corrosion and aging. Max. Flow Rate:75 GPM; Max Head Lift:275.6 ft/84 m.

Professional Air-Operated Designs
Our diaphragm pump is built to meet the international standard for reliable performance. Inlet/Outlet Port Size: 2 inch; Air Inlet Size: FNPT 1/2 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.

- 1 x Air-Operated Double Diaphragm Pump
- 1 x Product Manual

- Model: QBY4-50L
- Type: Air-operated Double diaphragm
- Diaphragm Material: Nitrile
- Body Material: Aluminum Alloy
- Inlet/Outlet Port: 2 inch (50 mm)
- Air Inlet Size: NPT 1/2 inch (12.7 mm)
- Max Flow Rate: 75 GPM
- Max Head: 84 m (275.59 ft)
- Valve Type: Ball
- Suction: 0-5 m (0-16.4 ft)
- Max Suspended Solids: 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)
Product guides and documents
Frequently Bought Together
VEVOR Air-Operated Double Diaphragm Pump, 2 inch Inlet & Outlet, Aluminum Alloy Body, 75 GPM & Max 120PSI, Nitrile Diaphragm Transfer Pump for Petroleum, Diesel, Oil and Low Viscosity Fluids
4.7 66
580 90 €
Get -% off for new user
Each when you buy 0+.
Shop
5,00€ off 1st App Order 99,00€+
In Stock