Description
DUAL CIRCUIT BRAKE VALVES UTILIZE 2 SEPARATE SUPPLY AND DELIVERY CIRCUITS FOR SERVICE AND SECONDARY BRAKING, NUMBER ONE OR PRIMARY CIRCUIT PORTION IS MECHANICALLY OPERATED THROUGH THE ACTION OF THE TREADLE/PEDAL AND PLUNGER, NUMBER 3 OR SECONDARY CIRCUIT NORMALLY OPERATES SIMILAR TO A RELAY VALVE WITH CONTROL AIR DELIVERED FROM THE NUMBER 1 PRIMARY CIRCUIT, THREADED SUPPLY AND DELIVERY PORTS FOR BOTH CIRCUITS ARE PROVIDED AT THE BACK OF THE VALVE
