Founded in 1921, Ross Controls develops and produces high quality pneumatic valves & systems. It has over sixty years of experience designing & producing monitored redundant valves for safety applications. The DM2 is the latest control-reliable valve series for category 4 applications. The SV series has integrated double pole double throw switch to verify valve function for category 2 and 3 applications. For pneumatic energy isolation, the L-O-X® series provides a full line of manual lockout products. Ross safety-related products meet or exceed the global safety requirements for machine safeguarding and energy isolation and are supported by Ross' experienced global safety team.