VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
- Premium Tough Quality
- Incredibly Low Prices
- Fast & Secure Delivery
- 30-Day Free Returns
- 24/7 Attentive Service
VEVOR is a leading brand that specializes in equipment and tools. Along with thousands of motivated employees, VEVOR is dedicated to providing our customers with tough equipment & tools at incredibly low prices. Today, VEVOR has occupied markets of more than 200 countries with 10 million plus global members.
Why Choose VEVOR?
- Premium Tough Quality
- Incredibly Low Prices
- Fast & Secure Delivery
- 30-Day Free Returns
- 24/7 Attentive Service
Air-Operated Double Diaphragm Pump Aluminum Alloy Construction & Nitrile Diaphragm & 75GPM 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.
Package Content
- 1 x Air-Operated Double Diaphragm Pump
- 1 x Product Manual
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)
- 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)
KT 
David 
