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P. 875

Back pressure valve
                                                                                               Back pressure valve


            Back pressure valve
                                                                 NG10
            Sandwich construction                                ISO 4401-05
             ◆  pilot operated or direct operated
             ◆  p  = 400 bar
                max
             ◆  p N max  = 350 bar
             ◆  Q  = 100 l/min
                max


            DESCRIPTION                                          APPLICATION
            Pilot or direct operated backpressure  valve in sandwich construction.    Backpressure  valves  with  pressure  adjustment  in  A,  B  or  T,  are
            The backpressure valve, also called pre-loading valve, opens the main   used for pre-loading of cylinders / motors, resp. for reaching a back







            spool when the adjusted pressure is reached.           pressure.


            SYMBOL
            Sandwich execution       Sandwich execution          Sandwich execution
            G..SA..-A                G..SA..-B                   G..SA..-T


              A    P      T    B       A    P      T    B          A    P      T    B


            Note!     ◆  Direct operated execution drawn
                      ◆  All variants are also available pilot operated





            TYPE CODE

                                                                                   G        S  A10  -     -     -     #
             Back-pressure valve
             Direct operated                  A
             Pilot operated                   V
             Type of adjustment   Key         S
                                 Control knob   D
                                 Cover        A
             Sandwich construction

             Mounting interface acc. to ISO, NG10
             Type list / Function   in T       T   in A           A
                                 in B         B

             Nominal pressure range (p ) of the built-in screw-in cartridge
                              N
             Sealing material    NBR
                                 FKM (Viton)   D1
             Design index (subject to change)
             2.1-760








                               www.wandfluh.com  Illustrations are not binding  Data subject to change  1/3  Edition: 21 32  2.1-760 E
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