Ross Controls®’ family of double valves with dynamic monitoring and memory for Category 4 machine safeguarding applications has expanded with the new DM2®E Series. These new DM2E valves are available in nominal size 2 with port sizes 1/4 and 3/8, NPT and BSPP threads. These smaller products complement the existing line of dynamically monitored double valves, DM2C sizes 4, 8, 12, & 30. Both of DM2E and DM2C Series are designed for air dump/release applications requiring control reliability. Ross’ new DM2E pneumatic safety-related valves address international standards for machine safeguarding. Memory, monitoring, and air-flow control functions are integrated into two identical valve elements inside one body. DM2E valves lockout and exhaust downstream air when asynchronous movement of valve elements is sensed during actuation or de-actuation, resulting in a residual outlet pressure of less than 1% of supply. An optional Status Indicator is available to provide status feedback to the equipment’s control system of the valve’s lock-out or ready-to-run condition and includes a pressure switch with both normally open and normally closed contacts.
