I've found these on Ebay and have an application that they would be better for than a straight on-off valve.
But has anyone used them and can anyone make head-or-tail of this electrical specification?
"Universal Plastic G1/2 Bi-stable Pulse Electric Solenoid Water Valve 3.6V DC
Small Size, beautiful appearance, stable performance
Wide application and usage, can meet the different needs of customers.
2 wired connector replacement solenoid valve . Male thread connector.
Replace the bad work solenoid valve for machine.
Use for: Universal
Powered by: 3.6V DC
Working Form: Positive pulse valve, Negative pulse valve
Electric resistance: 9 pulse width 30ms
Working current: 500mA
Working pressure 0.05 - 1.0Mpa
Thread Diameter: 2cm
Size: Approx. 53 x 50 x 24mm/ 2.9 x 1.97 x 0.94inch
Looks like it wants a short pulse of 3.6v @ 1/2 an amp to open it, and
then a short pulse of the opposite polarity to close it.... though
that's a bit 'unfriendly' from the point of view of the driver circuitry.
'Spose it could be done with 6v 'centre-tapped' (so 0v is half-way up
the battery stack, if using batteries)
Does that make any sense?
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