The Type 6510 consist of a pilot flipper valve Type 6144 and a pneumatic seat valve. The flipper principle allows switching of high pressures with low power consumption and short switching times. All valves are equipped with manual override as standard. Type 6510 is extendable and preferably with acable plug at the back of the valve island, Type 8640, and preferably with the plug connection applicable in front of the valve block at the pneumatic control actuators.