1, due to air-powered pneumatic diaphragm, so flow with back pressure (outlet resistance) automatically adjust to changes, suitable for high viscosity fluids. The centrifugal pump operating point is the water as a benchmark to set a good, if slightly higher viscosity fluid is used, you will need to complete reducer or frequency converter, the cost will be greatly improved, the gear pump is the same.
2, with an explosive atmosphere in a reliable and low cost of pneumatic diaphragm pumps, such as fuel, gunpowder, explosives, transportation, because: first, it is impossible to produce a spark after grounding; second, work no heat generation, machine not overheat; third, the fluid does not overheat because the diaphragm smallest stir the fluid.
3, at the site where the harsh, such as waste water construction sites, mining, because the sewage impurities and complex composition, pipeline easy to plug, so that the pump on the formation of the load is too high, the motor heat vulnerability. Pneumatic diaphragm pump can flow through the particles and adjustable stops automatically when the pipe to clear blockage.
4, another small diaphragm pump easy to move, without foundation, representing the ground is extremely small, easy to install and economical. Materials can be used as portable pump.
5, there are hazardous, corrosive material handling, the diaphragm material can be completely separated from the outside world.
6, or some tests to ensure that no impurity contamination of raw materials.
7, can be used to transport relatively unstable chemical nature of the fluid, such as: the photosensitive material, flocculation liquid. This is because the low shear pneumatic diaphragm pumps, little physical impact on the material.