A pneumatic valve comprising: a housing including a first port , a second port , and a third port , wherein each of the first port , second port and third port is in fluid communication with a chamber located within the housing ; a first valve element located within the chamber and including a first magnet , wherein the first valve element is movable between an open position and a closed position, and the first valve element is configured to seal the first port in the closed position; a second valve element located within the chamber and including a second magnet , wherein the second valve element is movable between an open position and a closed position, and the second valve element is configured to seal the third port in the closed position; and a magnetic actuating element located within the chamber between the first valve element and the second valve element and rotatable between a first position and a second position, wherein the first valve element and the second valve element are movable between the open position and the closed position in response to rotation of the magnetic actuating element between the first position and the second position, wherein the magnetic actuating element is configured to attract the first valve element toward the open position and to repel the second valve element toward the closed position in the first position of the magnetic actuating element , and the magnetic actuating element is configured to repel the first valve element toward the closed position and to attract the second valve element toward the open position in the second position of the magnetic actuating element such that when the first valve element is in the open position, the second valve element is maintained in the closed position, and, when the second valve element is in the open position, the first valve element is maintained in the closed position. a housing including a first port , a second port , and a third port , wherein each of the first port , second port and third port is in fluid communication with a chamber located within the housing ; a first valve element located within the chamber and including a first magnet , wherein the first valve element is movable between an open position and a closed position, and the first valve element is configured to seal the first port in the closed position; a second valve element located within the chamber and including a second magnet , wherein the second valve element is movable between an open position and a closed position, and the second valve element is configured to seal the third port in the closed position; and a magnetic actuating element located within the chamber between the first valve element and the second valve element and rotatable between a first position and a second position, wherein the first valve element and the second valve element are movable between the open position and the closed position in response to rotation of the magnetic actuating element between the first position and the second position, wherein the magnetic actuating element is configured to attract the first valve element toward the open position and to repel the second valve element toward the closed position in the first position of the magnetic actuating element , and the magnetic actuating element is configured to repel the first valve element toward the closed position and to attract the second valve element toward the open position in the second position of the magnetic actuating element such that when the first valve element is in the open position, the second valve element is maintained in the closed position, and, when the second valve element is in the open position, the first valve element is maintained in the closed position. <EOS>