what is Pneumatic Double Diaphragm Pump?
The Pneumatic Double Diaphragm Pump is a high-performance pumping device driven by compressed air, alternately driving two diaphragms for media intake and exhaust. This pump requires no electric drive, is explosion-proof, and suitable for conveying a variety of high-viscosity, highly corrosive, particulate, or volatile liquids.
Developed by Assen River, the Pneumatic Double Diaphragm Pump employs advanced structural design and high-strength diaphragm materials to ensure high stability and low maintenance during long-term operation. The pump body has excellent corrosion and wear resistance, enabling stable operation in harsh environments such as acids, alkalis, solvents, wastewater, and chemical media. Simultaneously, the innovative air valve system design reduces gas consumption and start-up stalls, ensuring smooth operation, minimal pulsation, and low energy consumption.
In terms of applications, the Pneumatic Double Diaphragm Pump is widely used in the chemical, pharmaceutical, water treatment, food and beverage, paint and ink, and electronics manufacturing industries. Its leak-free operation, drying capability, strong self-priming ability, and ease of maintenance make it an ideal replacement for traditional electric pumps and screw pumps.
Currently, we offer two similar models to meet the different needs of the high, medium, and low-end markets. Taking a 2-inch diameter as an example, as shown in Figure 1 below:
specifications of Pneumatic Double Diaphragm Pump
Gallery
Application scenarios
1. Chemical Industry
Used for conveying chemical media such as acids, alkalis, solvents, and corrosive liquids. The diaphragm pump's strong corrosion resistance and leak-free characteristics ensure high safety and stability in the production of hazardous chemicals and fine chemicals.
2. Water Treatment & Environmental Protection
Used in chemical dosing systems, sewage transportation, sludge treatment, and wastewater discharge. Precise control of reagent dosage ensures efficient and energy-saving water treatment processes, suitable for industrial wastewater, drinking water treatment, and seawater desalination projects.
3. Pharmaceutical & Food Industry
Used for conveying pure liquids, nutrient solutions, syrups, flavorings, and additives. Due to the absence of lubrication contamination, hygienic structure, and easy cleaning, the diaphragm pump meets GMP and food safety standards and is suitable for aseptic production environments.
4. Coating, Ink & Dyeing Industry
Used for conveying high-viscosity coatings, emulsions, inks, and dyes. Diaphragm pumps can stably output high-viscosity fluids, avoiding shear damage to the pigment paste structure and ensuring product uniformity and quality.
5. New Energy & Battery Manufacturing
Used for the precision delivery of electrolytes, acids, additives, and slurries. Their high precision, corrosion resistance, and long lifespan meet the stringent requirements for chemical liquid delivery in new energy battery production.
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