Latching 3-Way Solenoid Valve

The 3-Way Latching solenoid valves are normally de-energized and are activated to operate the BERMAD valve by an electrical pulse, latching it in the release position. Magna-Latch solenoid valve consists of two coils that are incorporated in one enclosure. It is activated to release the control pressure by means of a short electrical impulse signal to the “Pull” coil, the solenoid actuator is then latched in the energized position by a permanent Holding Magnet. To Reset the system, an electrical pulse should be applied to the De-latch coil, creating a counter-force which overcomes the magnet and allows the actuator to return to its normal position. The Magna-Latch Solenoid valve is typically used to enable safe remote control of the BERMAD Deluge valve and other water control valves, by latching the valve in its open position for safe discharge of firewater. Mechanical-Latch solenoid valve (Electrically tripped), is activated to release the control pressure by means of an electrical pulse to the coil, when the solenoid actuator is de-energized, the solenoid valve will remain latched in the release position. Mechanical – Latch type is equipped with a manual reset lever to enable local Reset (De-Latch) to return it to normal position, while the coil is de-energized. Latching solenoid valves are also used in areas where the system runs on limited power supply. They require only 50ms pulse duration to operate with minimal electric current to reduce demand of the power supply, enabling the batteries power capacity to be reduced and increase system reliability.