Product type
A diaphragm pump is a type of positive displacement pump that uses a flexible diaphragm to move fluids. The diaphragm creates a seal that allows the pump to draw fluid into a chamber and then expel it through a discharge outlet. These pumps are typically made from materials such as rubber, plastic, or metal, depending on the application and the fluid being pumped. Diaphragm pumps are known for their ability to handle a variety of fluids, including corrosive and viscous substances.
| Material | Rubber, plastic, or metal |
| Flow rate | Up to 1,500 liters per hour |
| Pressure range | Up to 8 bar |
| Diaphragm types | Single or double diaphragm |
| Power source | Air-operated or electric |
When selecting a diaphragm pump, consider the type of fluid being handled, as well as the required flow rate and pressure. It's important to specify the materials of construction to ensure compatibility with the fluid. Additionally, buyers should consider the pump's power source and whether they need a single or double diaphragm design. Certifications and tolerances may also be relevant depending on the industry standards applicable to your application.
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Diaphragm pumps can handle a wide range of fluids, including corrosive, viscous, and shear-sensitive liquids.
The lifespan can vary widely, but with proper maintenance, diaphragm pumps can last several years.
Yes, diaphragm pumps are typically self-priming, making them suitable for applications where the fluid source is below the pump.
Most diaphragm pumps can run dry without damage, but it's best to check the manufacturer's specifications.
Regular inspection of the diaphragm and seals, as well as cleaning and lubrication, are recommended for optimal performance.
Air-operated pumps use compressed air to function, while electric pumps use an electric motor. The choice depends on the application and available power sources.