Air Diaphragm Pump

Your Leading Air Diaphragm Pump Supplier

Kunshan Des-Valve Precision Machinery Co., Ltd. is an Air Diaphragm Pump manufacturer with 15 years of history. Our air diaphragm pumps include 1 Inch air diaphragm pump, 2 Inch air diaphragm pump, Small air diaphragm pump, stainless steel air diaphragm pump. In the mining and construction sectors, air diaphragm pumps are used for dewatering, conveying abrasive slurries, and pumping concrete. They are ideal for these demanding applications because they can handle abrasive materials without significant wear.

1 Inch Air Diaphragm Pump
Pneumatic diaphragm pump is a new type of conveying machinery, using compressed air as the power source, for all kinds of corrosive liquids, liquids with particles, high viscosity, volatile,...
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2 Air Diaphragm Pump
Compressed air used as power, the flow rate is actively adjusted with the change of back pressure (outlet resistance), suitable for medium and high viscosity fluids.
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Small Air Diaphragm Pump
(1) No overheat: compressed air as power, the temperature will not rise, no harmful air discharge.
(2) No electrical spark: the pneumatic double diaphragm pump does not use electricity...
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Stainless Steel Air Diaphragm Pump
Stainless steel air diaphragm pump is a kind of displacement pump with compressed air as the power and the volume change caused by the reciprocating deformation of the diaphragm, and its working...
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Why Choose Us?

Strong Strength

The factory area is 3,000 square meters, with 3 production workshops, several production lines and advanced production equipment and testing machines.

Wide Product Range

The products are widely used in industrial equipment, machinery manufacturing, electronics and electrical, automation control, mining, shipbuilding, and wood industry, packaging and printing and other fields.

Quality Assurance

The company strictly follows the requirements of ISO 9001:2015 quality management system for scientific and standardized management and has won the title of high-tech enterprise.

OEM/ODM

When you put forward your needs, our engineers will provide you with faster and more perfect customized solutions.

Specifications of Air Diaphragm Pump

Small Air Diaphragm Pump Series
Small models
Model	Max flow	Volume per cycle	Air inlet size	Fluid inlet size	Fluid outlet size	Weight
150	340L/min	2.42L	1/2-14NPT	Rp1.5	Rp1.5	20kgs
200	651L/min	5.3L	3/4-14NPT	Rp2	Rp2	28kgs
300	897L/min	10L	3/4-14NPT	Rp3	Rp3	45kgs
Model	Max air pressure	Max particles diameter	Max suction height	Noise
150	0.75Mpa	6.4mm	5.8m	0.5Mps/60cpm/95db
200	0.75Mpa	6.4mm	8.3m	0.5Mps/60cpm/95db
300	0.75Mpa	9.5mm	5.4m	0.5Mps/60cpm/95db

Functions of Air Diaphragm Pump

01.

· Without irrigation water, suction up to 7m, head up to 50m, outlet pressure)6kgf/cmz.

· Flow performance is good, allowing through the maximum particle diameter of 10mm. Pumping mud, impurities, little wear on the pump.

· Head, flow through the valve opening to achieve stepless adjustment (air pressure adjustment in l – 7kgf/cmz).

· The pump has no rotating parts and no shaft seal. By the reciprocating motion of a diaphragm, pumping a variety of media, because the moving parts of the pump and the working medium are completely separated, so that the conveying medium will not leak out, to avoid environmental pollution and personal harm.

· Do not use power supply, can be used in flammable, explosive places, safe and reliable.

02.

· Can be immersed in the medium instead of submersible pump pumping liquid.

· On, stop the pump, just open and close the gas valve can be operated. Even if there is no medium pumping for a long time or sudden shutdown due to unexpected circumstances, the pump will not be damaged. Once overload, the pump will stop automatically, with self-protection capability. When the load is restored to normal, it can automatically start running.

· Simple structure, less wearing parts. Diaphragm pump structure is simple, easy installation and maintenance. Pump conveying medium will not contact the valve, connecting rod and other moving parts, to avoid the corrosion and wear of components.

· Can transport more clear liquid.

· Do not use oil lubrication, even if idling, has no effect on the pump.

Usage Requirements of Air Diaphragm Pump

Ensure that the maximum particles contained in the fluid do not exceed the maximum safe passing particle diameter standard of the pump.

Tighten the pump and the nozzle joints to prevent the electrostatic spark caused by the vibration impact of the pump during operation. Use anti-static hose.

Periodically check and test the reliability of the grounding system.

Maintain good exhaust and ventilation, away from flammable, explosive and heat sources.

The intake pressure should not exceed the maximum allowable use pressure of the pump.

Compressed air higher than the rated pressure of the pipeline pump may cause personal injury and property damage.

Application Scope of Air Diaphragm Pump

Chemical Processing

When it comes to the chemical processing industry, the abrasive, corrosive and dangerous nature of the fluids being handled calls for specifically designed and manufactured pumps. Air diaphragm pumps are required to be capable of functioning in such hazardous conditions effectively.

Water and Wastewater Treatment

Air diaphragm pumps are frequently used in the water treatment process in the purification as well as decontamination of sewage sludge. They make great constituents in the batch operations of this sector owing to their distinct advantages, demonstrated.

Food and Beverage

The Air diaphragm pumps utilized in the food and beverages industry must maintain robust hygiene standards laid out by regulatory authorities. Typically, food-grade and regulatory authority-approved materials are used.

Pharmaceutical Manufacturing

Akin to the food and beverage industry, pharmaceutical manufacturing calls for precision to help create contamination free, safe to use solutions. Air diaphragm pumps are common in almost all processes throughout the production, to handle a variety of materials including pastes, creams, volatile compounds and more.

Oil and Gas

Processes such as transferring of crude oil, injection of various chemicals as well as disposal of water use Air diaphragm pump in the oil and gas industry. One of the main features of the pumps used in the oil and gas processes is their explosion-proof design which protects them in the event of accidents which are common in the industry.

Troubleshooting of Air Diaphragm Pump

In the event of failure of your Air diaphragm pump, you should check the following:

· Ensure that the air inlet size isn't too small.

· Inspect the pump's muffler for icing. Air diaphragm pumps are loud when in operation, so mufflers are often used. As a result of air compression of the device, the overall temperature of the muffler can sometimes be lowered to below freezing. In particularly humid environments, this can lead to ice buildup.

· Check the pump's inlet and outlet lines for any blockages, including sealed or partially sealed valves.

· Regularly inspect the Air diaphragm pump for leakage. As part of routine pump maintenance, replace any O-rings as they are prone to leakage.

Cooperation Process

Customer communication and consultation --> Selection --> Quotation --> Customer confirmation --> Mass production --> Delivery

Packaging and Delivery

Packaging details:	1. Inner package: Bubble wrap;
	2. Outside package: Carton or wooden case.
Payment:	1. L/C; T/T; Paypal; West Union; MoneyGram etc;
	2. Sample order: 100% payment before shipment;
	3. Bulk order: 50% deposit balance before shipment.
Shipping time:	1. Air shipping 15 days;
	2. Sea shipping Around one month.

Our Services

1. Free pre-sales consultation, according to customer needs to give professional product selection opinions.

2. Provide customized design services. Installation size, material, specs as required.

3. After-sales service: All foreign questions will be answered within 12 hours.

• Warranty scope: Whole machine warranty/Parts warranty

• Warranty period: 1 year

Certificates

FAQ

Q: How does an air diaphragm pump operate?

A: An air diaphragm pump operates through a cyclic process. Compressed air is directed into the pump's air chamber, which pushes the diaphragm towards the fluid chamber. This creates a vacuum in the fluid chamber, drawing fluid into it. When the compressed air is switched off and exhausted, the diaphragm springs back, forcing the fluid out of the chamber and into the discharge line.

Q: How often should I maintain an air diaphragm pump?

A: The maintenance frequency for an air diaphragm pump depends on its usage and operating conditions. However, it is generally recommended to perform regular inspections and maintenance tasks, such as checking for wear and tear on parts, cleaning the pump, and replacing worn components as needed.

Q: What are some common issues with air diaphragm pumps?

A: · Pump becoming weak or slow.
· Reduced flow rate.
· Leakage from the pump.
· Diaphragm wear and tear.

Q: Can I use an air diaphragm pump for high-pressure applications?

A: Air diaphragm pumps are typically designed for low to medium pressure applications. While some models May be capable of handling higher pressures, it is important to check the pump's specifications and consult the manufacturer before using it for high-pressure applications.

Q: What materials are used to make air diaphragm pumps?

A: Air diaphragm pumps are made from a variety of materials, depending on the specific application and operating conditions. Common materials used include plastics, metals, and elastomers such as rubber or silicone. The diaphragm itself is often made from a durable, flexible material that can withstand the repeated flexing and pressure changes associated with pump operation.

Q: Are air diaphragm pumps energy-efficient?

A: Air diaphragm pumps can be energy-efficient, especially when compared to other types of pumps such as centrifugal pumps. However, their energy efficiency can vary depending on factors such as the pump's size, operating pressure, and the type of fluid being pumped. It is important to select the right pump for the application to ensure optimal energy efficiency.

Q: How can I troubleshoot reduced flow rate in an air diaphragm pump?

A: · Checking for wear or damage on the inlet and outlet valves.
· Inspecting the diaphragm for wear or deformation.
· Ensuring that the pump is properly primed and that there are no air leaks in the system.

As one of the leading air diaphragm pump manufacturers and suppliers in China, we warmly welcome you to wholesale air diaphragm pump in stock here from our factory. All customized products are with high quality and competitive price.

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