Fundamentals of Hydro Pneumatic Pumps

When it comes to the usage of Hydropneumatic Systems, innovatively crafted water pumps, its high power design is mostly applicable in situations where water is needed in variable amount but has to be delivered continuously and with uniform pressure- like to all floors of high rise apartments and commercial buildings. Such places usually comprise of bathroom fittings like shower, Jacuzzis, that need pressurized water to ensure that the accessories work properly.    

The types of Hydropneumatic systems:

1. Constant Speed System– Fx1- This HYPN system is used primarily in residential houses and buildings as well as small scale commercial set ups where is is employed in transferring water and filling tanks.

2. Cascade system-MX- In this, all pumps work via one VFD (a variable-frequency drive). It is mostly used in industrial applications in medium size commercials and residential buildings.

3. All pumps VFD system-EX- These are majorly used by large commercial sectors like hospitals, malls, airports, metros, based on what is the need of the specific sector.

The formation of a Hydropneumatic system:

It consists of 2 to 6 multistage centrifugal pumps, which are capable of bearing high pressure. It also has high-resistance valves and a control panel to control the number of pumps that will be functioning based on system discharge and the rate of pressure. As the centrifugal motors and pumps are prone to start and stop many times, pressure tanks are there to reduce the frequency. It also consists of switches build to sense high and low pressure as well as a pressure transmitter.

Made up of rubber bladder, the pressure tanks are surrounded by pressurized air as water is a non-compressible fluid. As soon as you open a tap, the pressure in the tank is reduced as the water level goes down. As soon as the pressure level drops to a certain level, the pressure switch senses it and turns on the pumps and turns it off when the desired level of pressure is achieved.

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