Key Features
- Air-operated double diaphragm design for reliable, safe operation
- Self-priming and dry-run capable – no damage if run without fluid
- No electrical components, making it suitable for explosive atmospheres
- Corrosion-resistant construction for marine environments
- Handles a wide range of fluids including seawater, chemicals, and oils
- Quick and easy maintenance with minimal downtime
- Available in different sizes and connection types to suit your application
Technical Specifications
| Specification | Value |
|---|---|
| Pump Type | Pneumatic Double Diaphragm Pump |
| IMPA Code | 591701 |
| Inlet / Outlet Size | 1" (25 mm) NPT (Available in 1/4" – 3") |
| Max Flow Rate | 120 L/min (32 GPM) |
| Maximum Suction Lift | 7.6 m (25 ft) |
| Maximum Discharge Head | 70 m (230 ft) |
| Air Supply Pressure | 2.1 – 8.3 bar (30 – 120 psi) |
| Diaphragm Material | PTFE / Santoprene (available options) |
| Body Material | Aluminum / Stainless Steel |
| Connections | NPT Female |
| Weight | 15 kg (33 lbs) |
Frequently Asked Questions
How does a pneumatic diaphragm pump work?
The pump uses compressed air to move two diaphragms back and forth, creating a pumping action. It alternately fills and discharges fluid through a system of check valves, ensuring smooth and continuous flow.
Can it run dry without damage?
Yes, the pump is designed to run dry without causing damage to the diaphragms. This makes it safe for priming, shutdown, and brief periods of no-fluid operation.
What fluids can be pumped with this unit?
It can handle a wide range of fluids, including seawater, fuel oils, chemicals, sewage, and abrasive slurries. Material compatibility should be verified for specific chemical applications.
What is the recommended air supply pressure?
Typically, compressed air between 30 and 120 psi (2.1 to 8.3 bar) is required. Use an air regulator to control the flow rate and discharge pressure.
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