Air Operated Double Diaphragm Pump

Introduction
AODD Pump
Alpha Global is a leading producer and supplier of various industrial pumps, offering a high-performance range of Air Operated Double Diaphragm (AODD) Pumps. Engineered for reliability, these pumps are available in a variety of materials including Stainless Steel (SS-316/CF8M), Aluminum, Polypropylene (PP), and PVDF to handle even the most demanding fluid transfer tasks.
Our Range of
Air Operated Double Diaphragm Pump
Our AODD pumps are categorized by their material of construction and offer installation versatility, including submerged, positive suction, and self-priming setups.
Here are the specifications for some of our AODD pumps:
| Feature | Port Size: 12.70mm | Port Size: 25.40mm | Port Size: 38.10mm | Port Size: 50.80mm |
| Max Flow Rate | 40Lpm | 135 Lpm | 270Lpm | 586Lpm |
| Port Size (Inlet) | 12.70mm (3½”BSP) | 25.40mm (1″BSP) | 38.10mm (1½”BSP) | 50.80mm (2″BSP) |
| Port Size (Discharge) | 12.70mm (3½”BSP) | 25.40mm (1″BSP) | 38.10mm (1½”BSP) | 50.80mm (2″BSP) |
| Air Inlet | 6.85mm (“BSP) | 9.53mm (3/8″BSP) | 9.64mm (3/8 BSP) | 12.70mm (“BSP) |
| Air Exhaust | 12.70mm (“BSP) | 12.70mm (“BSP) | 12.70mm (“BSP) | 19.05mm (% BSP) |
| Suction Lift (Dry) | 1.45m (4.75′) | 3.05m (10′) | 4.57m (15′) | 4.57m (15′) |
| Suction Lift (Wet) | 2.83m (9.28′) | 4.89m (16′) | 7.62m (25′) | 7.60m (25′) |
| Suction Lift Teflon (Dry) | 0.50m (1.64′) | 2.14m (7′) | 3.05m (10′) | 3.05m (10′) |
| Suction Lift Teflon (Wet) | 0.90m (2.95′) | 3.98m (13′) | 6.09m (20′) | 6.09m (20′) |
| Max Particle Size (Dia) | 2mm (0.078″) | 3.17mm (0.125″) | 4.76mm (0.188″) | 6.35mm (0.250″) |
Why Choose
Alpha Global's Air Operated Double Diaphragm Pumps ?
No Electrical Hazards
No electrical motor drive is required, making the pump inherently free of electrical hazards.
Safe in Explosive Environments
Quite safe for use in explosive or hazardous environments.
Dry-Run Capability
The pump can run dry without sustaining any damage.
Self-Priming & Dry-Running Capable
Pumps can operate without flooding and handle air pockets safely.
Fluid Versatility
Successfully handles fluids in powder form or viscous fluid form.
Self-Priming Operation
Functions as self-priming from the start, even when dry.
Adjustable Flow Control
The flow rate can be easily regulated by simply varying the operating air flow.
Gentle, Non-Shearing Action
Provides a gentle action that is non-shearing, ideal for sensitive media.
High Pressure Capability
Can achieve pressure up to 7 Bar (100 psi).
Applications of
Air Operated Double Diaphragm Pump
Our AODD pumps are utilized across a wide range of industries to handle challenging fluid transfer processes, offering unique capabilities that traditional motorized pumps cannot match.
- Handling Slurries and High-Viscosity Fluids
- Transferring Corrosive Acids (H 2 SO 4 , HCI), Solvents, and Caustics
- Transferring Resins, Glues, and Adhesives
- Pumping Varnishes and Paints
- Filling Operations
- Transferring Oil and Diesel
- Effluent and Industrial Water Transfer
- Use in Mines and Tunnels
- Pumping Oils, Greases, and Lubricants
- Transferring Shear-sensitive materials (e.g., Latex)
- Handling Food and Dairy products
- Pumping Shampoos and Cosmetics
- Operating safely in Hazardous/Explosive Areas

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