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Rubber diaphragm pump Description
The rubber diaphragm pump is a special type of pump, that is mainly used to transport various corrosive, viscous, solid particle-containing liquids, as well as some flammable and explosive media. Due to its unique design and material selection, this pump is widely used in many fields such as chemical, petroleum, pharmaceutical, food, environmental protection, etc. The following is a detailed introduction to the rubber diaphragm pump.
| Product name | Rubber diaphragm pump |
| Product material | Natural rubber, nitrile rubber, neoprene, etc |
| Hardness (Shore A) | 60 to 90 Shore A |
| Applicable temperature °C | -200°C to +260°C |
| Color | Black, orange, blue, yellow, green, custom |
| Size | Standard/ Custom |
| Advantage | High-temperature resistance, wear resistance, corrosion resistance |
| Application | Chemical, petroleum, pharmaceutical, food, environmental protection |
| Certification | ISO: 9001, ISO: 14001, IATF: 16949 |
How it works
The working principle of the rubber diaphragm pump is to achieve the transfer of liquid through the reciprocating motion of a rubber diaphragm. The main body of the pump is composed of the pump body, diaphragm, pump cover, and drive mechanism. When the driving mechanism drives the diaphragm to reciprocate, a negative pressure is formed on one side of the diaphragm to suck the liquid into the pump; On the other side, positive pressure is created to push the liquid out of the pump. This unidirectional flow design allows the rubber diaphragm pump to effectively avoid liquid backflow and ensure the continuity and stability of the conveying process.
Structural features
Diaphragm material: The diaphragm of the rubber diaphragm pump is its core component, which is usually made of natural rubber, nitrile rubber, neoprene, and other materials, which have good corrosion resistance and flexibility, and can adapt to different media characteristics.
Pump body design: The pump body is generally made of stainless steel or cast iron, which ensures the durability and corrosion resistance of the pump. The inside of the pump body is designed with a special flow channel, which can reduce the resistance of the liquid during the conveying process and improve the efficiency of the pump.
Drive mechanism: The drive mechanism can be a motor, cylinder, or other mechanical device, and the appropriate drive mode can be selected according to the specific application needs. The stability and reliability of the drive mechanism directly affect the working performance of the pump.
Fields of application
Chemical industry: used to transport acid, alkali, salt, and other corrosive liquids, as well as viscous chemical raw materials.
Petroleum industry: In the process of oil extraction and refining, crude oil, refined oil, etc. are transported.
Pharmaceutical industry: used to transport pharmaceutical raw materials, liquid medicines, etc., to ensure the purity and safety of drugs.
Food industry: In the process of food processing, juice, jam, dairy products, etc. are conveyed to ensure the hygiene and quality of food.
Environmental protection industry: used for sewage treatment, sludge transportation, etc., to help achieve environmental protection goals.
Advantages and limitations
Advantage
Corrosion resistance: The corrosion resistance of the rubber diaphragm allows it to cope with a wide range of chemical media.
No leakage: Due to the good sealing performance of the diaphragm, it can effectively prevent liquid leakage.
Low maintenance: simple structure, easy maintenance, low operating cost.
Limitations
Limited delivery pressure: Due to the physical properties of the diaphragm, the delivery pressure of rubber diaphragm pumps is relatively low.
Media limitations: Not suitable for conveying media with high hardness, high viscosity, or large amounts of solid particles.
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