I have a 5 gallon bucket of water suspended 5 feet in the air and I want to use an arduino to control the water coming out of a hole in the bottom of the bucket (it goes to a drip irrigation system). This is about 2 psi of pressure. I've tried two kinds of solenoid valves attached to the bottom of t…

That's a lawn sprinkler valve ! this has a minimum of 3 psi [image] 12V Solenoid Valve - 3/4" - ROB-10456 - SparkFun Electronics Have you ever wanted to control the flow of a liquid using your computer or microcontroller, but didn't know how? Well, here's how: The 12V solenoid contro …

which is rated for 0 psi but very very little water goes through Put the valve as low as possible so it has more pressure across it.

cannot use a solenoid 'valve' you can use a solenoid that is connected to a spring to close the tubing. then pull the solenoid back to allow the tubing to pass water. you can use a solenoid connected to a real valve you can use a peristaltic pump

you might be able to use a battery solenoid from a device on the end of a garden hose. uses less than 10 inhces of water to allow water to pass. just a trickel. I have used the clippard minimatic over the years back in the day of pnuematics. it slided an o-ring past the opening. allows flow withou…

dave-in-nj: cannot use a solenoid 'valve' you can use a solenoid that is connected to a spring to close the tubing. then pull the solenoid back to allow the tubing to pass water. you can use a solenoid connected to a real valve you can use a peristaltic pump There are solenoid valves that work…

Could you have a flap or a plug inside the bucket that is held down by the water pressure. It could be lifted a little using a servo on the rim of the bucket with a string or wire attached to the flap. Heath Robinson rules (Rube Goldberg for our transatlantic colleagues). ...R

retrolefty: dave-in-nj: cannot use a solenoid 'valve' There are solenoid valves that work with 0 inlet pressure, they just cost more: Brass Liquid Solenoid Valve - 12V - 1/2 NPS : ID 996 : Adafruit Industries, Unique & fun DIY electronics and kits I stand corrected. 2W160-500.pdf …

How about trying an ordinary domestic ball valve operated by a servo? That gives you very accurate and repeatable position control, minimal power consumption when it isn't moving, and doesn't involve any DIY on the 'wet' part of the problem. Alternatively, do away with the valve completely and just…

Thanks everyone! The issue is solved. I used a 12 3/4" Motorized Ball Valve: [image] 3/4 inch Motorized Ball Valve 12 VDC Low Power High Flow Motor Driven Gas Water... Find many great new & used options and get the best deals for 3/4 inch Motorized Ball Valve 12 VDC Low Power High Flow…

I set something up similar and used a 0 pressure gravity valve like this one. [image] 1/2" 12V DC Electric Brass Solenoid Valve This Solenoid Valve works great with water, air, gas, diesel fuel and vacuum. Operates normally closed and has a solid brass body. This valve is compact in siz…

Whats the best low pressure solenoid valve for regulating water flow? [SOLVED]

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system May 8, 2014, 1:16am 2

That's a lawn sprinkler valve !
this has a minimum of 3 psi

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Whats the best low pressure solenoid valve for regulating water flow? [SOLVED]

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