Air Operated Diaphragm Pump
Products Description
As a result of its exceptional ability to pump a wide range of materials, even those that conventional pumps can't handle, the pneumatic diaphragm pump has gradually seized a significant share of the pump market since its inception. It has established an unrivaled position in spray painting and ceramics industries, and in other areas like environmental protection, wastewater treatment, construction, sewage, and fine chemical industries, it is increasing its market share rapidly, and has become an indispensable tool for various industrial applications.
Products Parameters
| Model | In/outlet | Max particle diameter (mm) | Air inlet size | Max flow rate | Max head | Max Air |
| (inch) | (inch) | (l/min) | (m) | press(bar) | ||
| QBY25 | 1" | 2.2 | 1/2" | 100 | 86 | 8.6 |
| QBY40 | 1 1/2" | 4.5 | 3/4" | 140 | 86 | 8.6 |
| QBY50 | 2" | 8 | 3/4" | 240 | 86 | 8.6 |
| QBY80 | 3" | 10 | 3/4" | 400 | 86 | 8.6 |
Working principle
Pneumatic diaphragm pump is powered by compressed air and designed according to 1:1 pressure ratio. Pneumatic diaphragm pump has two chambers and two working chambers, diaphragm respectively installed between the two chambers and the working chamber, each other is connected through the intermediate shaft. When ventilated to the diaphragm pump, the air first enters an air chamber, at this time, the diaphragm suddenly expands outward, the working chamber space in this case becomes smaller, and do the press motion, the liquid is discharged out of the working chamber. At the same time, the diaphragm on the other side shrinks due to the tension of the intermediate shaft, and the working chamber space on the other side becomes larger instantly. It creates suction, which draws the liquid into the working chamber. After the continuous ventilation and exhaust of the inlet valve and the outlet valve, the diaphragm pump has been doing reciprocating motion, so as to achieve the role of pumping liquid.
The conversion of air is achieved by the piston inside the inlet valve, the piston moves to one end, the air is discharged to one end, the movement to the other end, the air is discharged to the other end, it does the non-stop action, so as to achieve the purpose of air exchange, with the valve ball and ball seat inside, to complete the one-way flow of liquid together.
More introduction
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