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Bi-Stable Isolation Valve(BIV)

 

BIV Operation principles   (subject to permanent magnets)

Latching solenoid valves require only a short pulse of electricity to open and will stay open even if no electrical power is applied. To close the latching solenoid valve a short electrical power pulse with reverse polarity (i.e. swap live and neutral wires) and the latching solenoid valve will close and stay closed. To open the solenoid valve again swap the live and neytral wires back to original position and repeat the process.

  

Detailed photos in sample presentation based on permanent magnet as follows: 

Ceramics magnetic ones in irregular shape                                                                     NdFeB rectangle based