Cross mirror Double Valves

DM2® Series S are two interconnected DM2® D Series double valves for power presses which have separate clutch and brake, each requiring a double valve. These valves are cross piloted (interconnected) such that an abnormal function in either valve will cause both valves to lockout thus disengaging the clutch and engaging the brake. The DM2® S Series double valves provide redundancy, dynamic monitoring and memory for the mechanical press industry regarding the control of pneumatically controlled clutch and brake applications. Note: The consensus requirements of the regulations and best practices require that, in case of a failure within the valve, the clutch and brake mechanisms be quickly exhausted, a monitor takes action to prevent further operation, and a method to alert personnel is incorporated. 5/2 CROSSMIRROR® valves, have two valve elements that must shift together to achieve an output at port 4, but any condition that prevents the two elements from shifting together causes the valve output to default to port 2 only

 

Key Features

• Two interconnected dynamically monitored valves with memory for mechanical power presses with separate pneumatically controlled clutch and brake mechanisms.
• Both valves lockout upon abnormal movement of dual poppets of a valve, residual outlet pressure is less than 1% of supply. Intentional reset required by remote air signal or optional electrical solenoid; not by removal & reapplication of supply pressure.
• Basic 3/2 normally closed valve function. Dirt tolerant poppet design for quick response and high flow capacity. Teflon® by DuPont back-up rings on pistons to enhance valve endurance - operates with or without inline lubrication.
• Covered by multiple global patents and patents pending.
• Designed to enable users to comply with current safety regulations.
• Optional pressure switch to provide signal for external monitoring.
• Base-mount design for easy maintenance.
• Defaults to de-energized position upon fault condition.