Non-return valves, multi-way valves, drainage valves, test and filling valves for the brake system and for auxiliaries Learn more about our industry solutions Technical data Valve types Non-return valves, multi-way [...] Valves control the compressed-air distribution system in pneumatic systems. They are available as non-return valves (single valves or integrated in manifolds), multi-way valves, drainage valves or test [...] multi-way valves, test and fill valves, drainage valves Materials Plastic, aluminum, brass, steel, die-cast zinc, others on request Sizes Analog to the quick connect systems or to customers specifications