What is a NAMUR solenoid valve?

NAMUR is an acronym for the User Association of Automation Technology in Process Industries, which serves as a standard for automated valve technology. Standard interfaces are useful for actuator mountings because they help to keep solenoid manufacturing and installation costs down. Bürkert has a wide selection of NAMUR solenoid valves available to purchase. Visit our website today to browse our complete range of solenoid valves.

NAMUR standard

Many pneumatic solenoid valves have a standardized flange design to directly mount them to appliances such as a pneumatic actuator. The most common standard is the NAMUR standard (VDI/VDE 3845), a European standard that defines a standard interface to mount directional control valves directly to the rotary actuator. This standard is adopted worldwide. The valves are mounted on the actuator with M5 screws. Actuators produced in the USA have generally #10-24 threads. The valve is provided with two O-rings to seal the port connection between the valve and the actuator. The interface design allows two mounting positions of the valve by rotating the valve 180 degrees. This changes the actuators rotation in relation to the energization of the control valve.   Link to more direction control valves Watch how Double solenoid valve works.