2 Modes 12v Way motorised Valve Electric Ball Port Normally Closed 1/2 3/4 1 1/4 inch (2 DN50)

Note: If you connect wires "-" and "+" in the opposite direction, you will not be able to fully close the valve. You need to find out what the "-" wire is and what the "+" wire is, so connect the black wire with "-" and the blue or red wire with "+". Nominal pressure: 1 ~ 16 bar Running time: about 6 ~ 15 seconds Liquid temperature: 2 ~ 95 degrees Connection 2: --First, connect the black wire to "-", --Second, connect the red wire to "+", --Third, connect the blue wire to "+" with a switch; When the blue wire is contacted to the "+" ， the valve will open; When the blue wire is disconnected to the "+", the valve will close Note: please find the "+" of dc12v, and connect it correctly., Manufacturer: Dawa Material