Double Diaphragm Pump, also called membrane pump, is a type of positive displacement pump that can handle a wide range of fluids and are increasingly becoming the pump of choice in many industries. The compressed air supply is the only other necessity.
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| Double Diaphragm Pump |
How these pumps work?
One type of positive
displacement pump is the Double Diaphragm Pump, which produces a temporary chamber between two
flexible diaphragms that moves back and forth to draw in and push out a fluid.
Diaphragms function as a barrier preventing liquid from mixing with air.
The first stroke
Specifically, the shaft that
runs through the diaphragms and the central chamber that houses the air valve.
The air valve's job is to direct the pressurised air to the rear of diaphragm
number one, which can force the diaphragm to shift out of the axial plane. The
first diaphragm's press stroke drives the liquid out of the pump. During this
time, diaphragm number two is engaged in a suction stroke. Atmospheric pressure
forces the liquid to the suction side as the air behind diaphragm number two is
forced out into the atmosphere. The suction ball valve must be moved away from
its seat to let liquid into the chamber beneath the ball valve.
The second stroke
Once the first pressurised
diaphragm has completed its stroke, the airflow is diverted to the rear of the
second diaphragm via an air valve. Compressed air pushes diaphragm two away
from the centre block, causing diaphragm one to be drawn in. The ball valve
discharging the pump is pushed off its seat in chamber two, while the opposite
happens in chamber 1. Once the stroke is complete, the air valve redirects air
to the first diaphragm's back to begin the process again.
Advantages of these pumps
It can run dry without damaging the pump or the system
No permanent damage will
occur to the pump or its parts supplied by Double
Diaphragm Pump supplier in India if
it is allowed to run empty for a lengthy period. Lack of water is a common
reason for pump failure. Other types of positive displacement pumps can be
damaged by running them dry, which can shorten their lifespan and increase the
frequency of costly repairs.
Need no power supply
Air Operated Double Diaphragm Pump can be utilised reliably and safely in explosive
conditions if the proper precautions are taken. They do not require electricity
and can be operated in enclosed spaces or underground.
Can continue working even if submerged for an extended
period
Submerging this pump is
possible without affecting its functionality, provided the following conditions
are met:
● The pump's materials are compatible with the
surrounding fluid
● As the air exhaust is situated above the liquid
level, it is impenetrable to the liquid.
Conclusion
When it comes to Double Diaphragm pump manufacturer in India,
Nirmala pumps and equipment are the ones to trust in India. We manufacture them
to various standards using cutting-edge techniques and first-rate components.
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