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Fine feed / fast approach valves
                                                                                      Fine feed/fast approach valve

            Fine feed- / fast approach valve
            Sandwich construction
            • Q max   =   80 l/min (Fine feed)             NG10
            • Q max   = 120 l/min (Fast approach)       ISO 4401-05
            • Q N max  =   70 l/min
            • p    = 350 bar
               max
            deSCrIPTION                        FUNCTION                           APPLICATION
            Fine  feed- / fast  approach  valve  in  sandwich   The  fine  feed- / fast  approach  valve  serves   The fine feed- / fast approach valves are uti-
            construction.  2-way  flow  control  cartridges   for the electrically controlled two-stage speed   lised in hydraulic systems, which require an
            (see data sheet 2.5-550) and 2/2-way solenoid   control. Fine feed and fast approach. At the fine   electrically controlled fine feed- / fast approach
            poppet valve cartridges 1.11-2076 are installed.   feed the volume flow is controlled by the flow   changeover, such as positioning controls on
            2  standard  nominal  volume  flow  ranges  are   control valve, to the manually adjusted value   machine tools or elevation controls of elevating
            available. The sandwich body made of steel   independent on the load. In doing so, the poppet   platforms, etc. Due to the sandwich construc-
            is phosphatized.                   valve is closed. At the fast approach the volume   tion,  these  fine  feed- / fast  approach  valves
                                               flow, dependent of the load and of the system   can be integrated into stacked systems as an
                                               pressure, flows through the poppet valve.  intermediate flange.
            TyPe COde

                                                                       V  Q     S  A10  -        -     -     /  W     #
            Fine feed- / fast approach valve
            Flow control function
            Type of adjustment  Key       S
                           Control knob  D
            Sandwich construction
            International standard interface ISO, NG10
            Type list / Function
                                                    Meter-out flow control  Meter-in flow control in
                                   in P     P       in A    A        in A     AV
                                   in T     T       in B    B        in B    BV
            Poppet valve   Normally closed       C
                        Normally open       O
            Nominal volume flow rate Q N     32 l/min   32
            Flow control valve             70 l/min   70
            Nominal voltage  U N             12VDC   G12   115VAC    R115
                                          24VDC     G24   230VAC     R230

            Slip-on coil                Metal housing round
            Connection execution      Connector socket  EN175301-803 / ISO 4400   D
                                      Connector socket  AMP Junior-Timer    J  (only for U  ≤ 75 VDC)
                                                                              N
            Design index (subject to change)




            GeNerAL SPeCIFICATIONS                               HydrAULIC SPeCIFICATIONS
            Description         Fine feed- / fast approach valve  Fluid             Mineral oil, other fluid on request
            Nominal size        NG10 acc. to ISO 4401-05         Contamination efficiency  ISO 4406:1999, class 18/16/13
            Construction        Sandwich construction                               (Recommended filtration grade ß 6...10≥75)
            Mounting            4 holes for socket cap screws                       refer to data sheet 1.0-50/2
                                M6 or studs M6                   Viscosity range    12 mm /s...320 mm /s
                                                                                                  2
                                                                                         2
            Connection          Threaded connection plates, multi-flange  Fluid temperature   -20...+70 °C
                                subplate, stacking system        Peak pressure      p max  = 350 bar
            Ambient temperature   -20 ... +50 °C                 Nominal volume flow rates Q = 32 l/min, 70 l/min
                                                                                     N
            Mounting            any                              Min. volume flow   Q  = 0,2 l/min
                                                                                     min
            Fastening torque    M = 9,5 Nm (Qual. 8.8) for fixing screws  Max. volume flow   Q   = 120 l/min
                                 D
                                cartridges: see valve data sheets                    max
            Weight              m = 4,5 kg                       For further hydraulic specifications, refer to flow control valve data
                                                                 sheet 2.5-550.
            eLeCTrICAL ACTUATION
            Solenoid construction:   see data sheet poppet valve (1.11-2076)



            Wandfluh AG         Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
            Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.5-960E 1/2
            CH-3714 Frutigen                                                                             Edition 12 33
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