Inline 1/2" Electric Air Valve Soleonid For Loud Train Horn Systems.
This electric air valve solenoid is used with air horns that require an on-board air system for 12 volt vehicles . When the vehicle's horn button is depressed, the Solenoid becomes electrically energized, opening its chamber and permitting air to reach the horn. The solenoid remains engaged as long as the horn button is depressed. Max 200 PSI. 1/2" pipe thread inlet & outlet ports. Made out of solid brass. Can be used also with air suspension and many other uses.