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            Air operated valves are often used in areas where electrical signals would pose a hazard, or when air pressure control exists or is preferred. NITRA 5-port (4-way) spool valves are available with single-pilot spring return or double-pilot 2-position operation. Double-pilot models are also available in a 3-position center-closed configuration. 
        
                 
          
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                                                                                                        - Body ported, 5-port (4-way) spool valves
 - 2-position, single pilot normally closed, spring return; 2-position, double pilot; 3-position, double pilot center closed
 - Single valve or multiple manifold mounted valve applications
 
  
                                                                                                         
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                                                                                                        - NITRA® pneumatic AVS-5 series directional pilot control valves are body ported 5-port (4-way) spool valves.
 - These air operated valves are available with single pilot spring return or double pilot 2-position operation.
 - In addition, double pilot models are available with 3-position center closed operation.
 - The AVS series can be used in individual pilot operated valve applications, or multiple valves can be field assembled on AM-5 series manifolds for simplifying piping connections (AVS-52 & AVS-53 series only).
 - AM- 5 series manifolds are available in 2, 4, 6 or 8 stations.
 
  
                                                                                                         
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