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Plastic Water Solenoid Valve - 12V - 1/2" Nominal

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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. The valve has a gasket arrangement inside, so there is a minimum pressure requirement of 0.02 Mpa (3 PSI). Also, liquid can only flow in one direction.

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. 
 

VoltageCurrent

6V160 mA

7V190 mA

8V220 mA

9V240 mA

10V270 mA

11V300 mA

12V320 mA

 
These solenoids are not rated for food safety or use with anything but water.

Technical Details

  • 1/2" Nominal NPS
  • Working Pressure: 0.02 Mpa - 0.8 Mpa
  • Working Temperature: 1 ℃ - 75 ℃
  • Response time (open): ≤ 0.15 sec
  • Response time (close): ≤ 0.3 sec
  • Actuating voltage: 12VDC (but we found it would work down to 6V)
  • Actuating life: ≥ 50 million cycles
  • Weight: 4.3 oz
  • Dimensions: 3.3" x 1.69" x 2.24"

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