It closes the inlet water supply when there in no purified water usage.
Reverse osmosis auto shut off valve is a very important part for the correct operation of an RO system.
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What is a reverse osmosis auto shut off valve?
Reverse osmosis (RO) is a water filtration process that removes contaminants and impurities from water by forcing it through a semi permeable membrane.
Small, domestic RO systems are commonly used to purify drinking water, but they can also be used for a variety of other purposes such as treating water for industrial processes.
One of the very important elements of drinking water reverse osmosis systems is the auto shut off valve.
What does a reverse osmosis auto shut off valve do?
One important component of an RO system is the auto shut off valve, which plays a crucial role in ensuring the system operates efficiently and effectively.
This valve is responsible for automatically shutting off the inlet flow of water when the system when there is no more need for purified water production.
This means that there is no water usage and the purified water tank is full.
How does it work?
When there is no more water usage, the faucet is closed and the tank is full of water, the RO system should completely stop.
As there is no water usage, the pressure in the permeate line slowly rises.
As the permeate pressure gets higher it over powers the incoming line pressure over the hydraulic membrane in the auto shut off valve and closes the water inlet.
When the permeate pressure is high enough, the membrane completely closes the supply water and there in no more incoming line pressure.
The water flow through the system completely stops.
How to check if it is working properly?
It is relatively easy to check if your auto shut off valve is working correctly.
The easiest way to check if it is working correctly is to check if there is water flow to the drain when there is no water usage and the tank is full.
The fastest way to check it is to close the tank valve and wait for a few minutes. The water flow to the drain should stop completely.
If the water flow is not stopping this means that the valve is faulty and it is not closing the inlet water.
What problems can a faulty valve make?
The main problem it can make is the excess water flow to the drain, even when the system is not producing purified water.
This means that the water flows to the drain always, 24/7. This can make higher water usage and a bigger water bill.
Maintenance and inspection
It is important to regularly inspect the auto shut off valve to ensure it is functioning properly.
This may involve cleaning or replacing the valve, as well as regularly checking for signs of wear and tear.
In conclusion, the auto shut off valve is an essential component of any reverse osmosis system.
It plays a vital role in ensuring the system operates efficiently and effectively, and it is important to regularly maintain and inspect the valve to ensure it is functioning properly.
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I am working as a water treatment technical manager and I have more than 25 years of practical experience in water purification.
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