Control the
flow of fluid using the flow of electrons! This liquid valve would make a great
addition to your robotic gardening project. There are two 1/2" (Nominal
non-taped National Pipe) outlets. Normally, the valve is closed. When 12VDC is
applied to the two terminals, the valve opens and water can push through. This
is a gravity fed solenoid valve (water flow direct from overhead tank) so it
requires zero pressure to open and close the valve. Do not use it with a pump
otherwise it will not function as required. Also, liquid can only flow one
direction. Flow direction is indicated on the bottom of the valve with an
arrow. If you require a valve to be used with a pump check the minimum pressure
valve.
We tried this
solenoid at various DC voltages and found we could actuate it down at 6VDC
(although it was a little slower to open). Here is the current draw table for
various voltages. We suggest a TIP120 or N-Channel power FET with a
1N4001 kickback diode to drive this from a microcontroller pin. For a power
supply, our 9V 1A or 12V 1A power adapters will do the job.
Specifications:
·
Material: Metal + plastic
·
Color: White
·
Voltage: 12V DC
·
Size: 85*60*42mm /
3.35*2.36*1.65"
·
Connector: outer diameter 20 mm /
0.79" , inside diameter: 14 mm / 0.55"
·
Valve type: diaphragm (Operated by
Servo)
·
Mode of operation: Normally closed
·
Fluid temperature: 1-100 ℃
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