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
SKU: 14_S000114016332 Description: 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 Material: Plastic