Vevor Diaphragm Pump Air-Operated Double 1/2" Inlet & Outlet Cast Iron 3 GPM New
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Product Overview
The Vevor air-operated double diaphragm pump is designed for transferring petroleum, diesel, oil, and other low-viscosity or viscous fluids. It features a cast iron body with double nitrile diaphragms for durability, corrosion resistance, and leak-resistant operation. The pump delivers up to 3 GPM with a maximum pressure of 90 psi and a maximum head lift of 196.85'. Its air-operated design supports smooth changeover and reliable non-stall performance across industrial applications. This pump is suitable for use in petroleum, metallurgy, mining, coating, printing, water treatment, and automotive environments.
Brand new
1 year factory warranty
Manufacturer direct shipping from CA, NJ, & TX
Authorized Vevor Dealer
Features
- Premium Double Nitrile Diaphragms: Our air-operated double diaphragm pump adopts nitrile 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 cast iron 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.
Specifications
| Model | QBK-15 |
| Color | Blue |
| Body Material | Cast iron |
| Inlet Port | 1/2" (12.7 mm) |
| Outlet Port | 1/2" (12.7 mm) |
| Air Inlet Size | 1/4" (6.35 mm) |
| Gas Nozzle | 0.32" (8 mm) |
| Max Flow Rate | 3 GPM |
| Suction | 0-5 m (0-16.4') |
| Max Head | 196.85' / 60 m ±15% |
| Max PSI | 90 psi |
| Max Temperature | 150°F / 66°C |
| Dimensions | 10.63" x 8.27" x 5.51" |
Package Contents
1 x Air-Operated Double Diaphragm Pump
1 x Product Manual
Warranty
This item comes with a 1 year factory warranty.






