Ross controls provides its new line of dm2 c crossflow serpar double valves with total dynamic monitoring and memory for category-3 and -4 machine guarding applications. These new pneumatic safety valves meet all ansi requirements for machine safety, including the z244 lock-out, b11.19 machine guarding, and b155 packaging standards. The dm2c also meets stop-time requirements, and is category-4, third party certified. Memory, monitoring, and air-flow control functions are simply integrated into two identical valve elements. Dm2c valves lock out due to asynchronous movement of valve elements during actuation or de-actuation, resulting in a residual outlet pressure of less than 1% of supply. Overt action is required for reset, and reset can only be accomplished by applying a remote air signal or by energizing the optional integrated electrical [solenoid] reset. These valves are base mounted, and available with bspp or npt pipe threads. Inlet and outlet ports on both sides of the bases provide for flexibility in piping. The valves are available in 4 sizes, providing a broad range of flow capabilities to meet your needs. Valves are designated by the nominal sizes 4, 8, 12, and 30 with outlet ports up to 2". All models include a high flow, clog resistant silencer.