AOK Air Operated Diaphragm Pump

PVDF Air Operated Diaphragm Pump AOK80

AOK80 PVDF self priming pneumatic duplex diaphragm pump can always remain efficient, not because of wear and tear and reduce efficiency. AOK80 PVDF air diaphragm pump can make 100% of the energy utilization, When the pneumatic diaphragm pump outlet is closed, the 3 inch PVDF air operated duplex diaphragm chemical pump will automatically stop. There is no equipment movement, wear, overload, heating phenomenon.

AOK80-PVDF Product Description

AOK80-PVDF pneumatic diaphragm pump is a diaphragm pump suitable for transporting demanding strong acid and strong alkali liquids. Made of high-quality polyvinylidene fluoride material. Has good chemical stability, excellent chemical resistance and good thermal stability. It is the first choice for some industries. 

AOK80 Product Picture

AOK80-PVDF Performance parameter:




Inlet/ Outlet size





Flow Rate






Head (m)


Suction Stroke (m)


Max. Particle Diameter (mm)


Max.Air Pressure (kg/cm²)


Max.Air Consumption (m³/min)


Valve ball/seat

Santoprene, Hytrel, Teflon, Viton, etc.


Teflon, Viton, Santoprene, Banu-N, etc.

Performance Curve:Performance Curve

Installation Size:

Installation SizeTypical Installation Guide

Typical Installation Guide

Product Usage: 


1- Various highly toxic, flammable and volatile liquids.

2- Various highly acidic, basic and corrosive medium.

3- Various emulsions and stuffing.

4- various kind of glaze slip for tile, porcelain, brick and pottery.

5- oil paint, gum, pigment, coating, Various adhesives and gluesetc.


1- Wear resistance, high mechanical strength and toughness. 

2- Weather resistance, anti-ultraviolet and nuclear rays. 

3- The pump can work under water.

4- Has self-priming function, Very low shear force on the material.

5- Small size, light weight, easy to move and carry.

6- Can run empty, no danger.

7- It has good chemical stability, excellent chemical resistance, and good heat stability.

8- The flow can be adjusted, and a throttle valve can be installed at the material outlet to adjust the flow.

9- Explosion-proof, pneumatic diaphragm pump does not use electricity as power, after grounding will not produce electric spark.

10- It can pass through the liquid containing particles and is not easy to be blocked.

11- The fluid that can be transported is extremely wide, from low-viscosity to high-viscosity, from low-corrosive to highly-corrosive.

working principle:

When air pressure is applied to the pump, the main air valve moves up and down. When the main air valve is in the down position, air pressure is diverted to the right diaphragm. At the same time, exhaust air from the left diaphragm passes through the shuttle and shuttle plate, and exits the rear of the pump. When the main air valve is in the up position, air pressure is diverted to the left diaphragm while the right diaphragm is exhausted. This process constantly alternates between the up and down position to create a continuous cycle.

Package product drawing:

Package: we use strong carton or plywood case which is durable for ocean transport.

Package Product Drawing


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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.