RO/DI Valve
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DanyL
Valuable Member
A float valve works by having a sealed plastic "balloon" that contains air and floats when it's submerged in water, this keeps the valve shut, and when the water level is below the float valve - gravity would bring this "balloon" down, and let the water flow.
The_Paradox
Valuable Member
Think they are asking about the city water line. It’s the same as closing a faucet. Once closed, the line will go back up to whatever pressure it’s normally at on the backside and flow will stop.
fishyjoes
Active Member
The float valve works in combination with a pressure based shut off valve. I think a float alone will not be able to stop the flow due to pressure.
Once the float shuts (floats up) the pressure behind it increases and causes the shut off valve to close
There is some explanation on the BRS page for them, and some more in the "Product Questions" section
www.bulkreefsupply.com
Once the float shuts (floats up) the pressure behind it increases and causes the shut off valve to close
There is some explanation on the BRS page for them, and some more in the "Product Questions" section
1/4" Auto Shut Off Valve
Installation Instructions 1/4" Automatic shut off valves are used with float valves or pressurized tanks to shut off an RO system. It utilizes the back pressure created by the float valve or pressurized tank to shut off the water supply to the membrane. Without an automatic shut off valve...
www.bulkreefsupply.com
RocketEngineer
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The posts above are correct. It takes two devices to function properly. The float valve goes in the water tank and shuts off flow once the level in the tank is high enough. The second device as noted above has two inlets and two outlets. One side has supply going to the RODI and goes between your water source and the RODI unit. The other side connects in the finished water line. When the float valve has closed, the pressure builds on the finished water side until the shut off valve trips, which stops water from the supply getting to the RODI, shutting off the entire unit. When the float valve opens, the pressure drops and the auto shutoff starts the RODI filter again.
Naekuh
Valuable Member
The float valve works in combination with a pressure based shut off valve. I think a float alone will not be able to stop the flow due to pressure.
Once the float shuts (floats up) the pressure behind it increases and causes the shut off valve to close
There is some explanation on the BRS page for them, and some more in the "Product Questions" section
1/4" Auto Shut Off Valve
Installation Instructions 1/4" Automatic shut off valves are used with float valves or pressurized tanks to shut off an RO system. It utilizes the back pressure created by the float valve or pressurized tank to shut off the water supply to the membrane. Without an automatic shut off valve...
no that is a auto shut off valve.
He's talking about a float valve with a bubble at the end.
Danyl statement holds true.
Its the same concept as your bathroom toliet but in a much smaller package if you still do not understand what Danyl said.
