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Throttle valves                                                                                                             Throttle valves
                                                                                                Throttle valve

                                                   2
       CHARACTERISTICS ADRA, B, AB6  Oil viscosity  υ = 30 mm /s                                                                   Throttle valve
       ∆p = f (Q)   Pressure drop/volume flow characteristics       Q = f (n)   Volume flow adjustment characteristics             Sandwich construction                           NG10
          p [bar]                                              Q [l/min]                                                           •  Q   = 100 l/min
                                                                                                                                       max
        30  K0485                                             80  K0486                             ∆ p = 20 bar                   •  Q   = 60 l/min                            ISO 4401-05
        25                                    1               60                                                                   •  p N    = 350 bar
        20                                                                                          ∆ p = 10 bar                      max
        15                                                    40                                    ∆ p = 5 bar
        10                                    2               20                                                                   DESCRIPTION                        FUNCTION                           APPLICATION
         5                                                                                                                         Throttle valve sandwich type NG10 with inter-  Using  the  precision  thread  adjusting  spind-  Sandwich type throttle valves can be used
         0                                                     0                                                                   face acc. to ISO 4401-05. The turning knob   le, the restriction of the volume flow can be   anywhere where volume flows have to be
           0   10  20  30  40   50  60  70   80  Q [l/min]      0       1      2       3      4   4,5  n [-]                       is made from aluminium, the sandwich plate   continuously adjusted. With the spindle fully   infinitely controlled in both directions without
                                                                                                                                   made of steel is zinc-nickel coated.  screwed home, the volume flow is zero, and a   taking pressure fluctuations into account.
                                                                                                                                                                      metallic edge makes a leak-tight closure. The   These sandwich valves are ideal for machine
       Q = f (n)   Volume flow adjustment characteristics   Q = f (n)   Volume flow adjustment characteristics                                                        throttle effect is produced by an annular gap   tools and also all types of handling operation.
                  (Precision throttle)                                 (Precision throttle)                                                                           which can be varied in size. The valve flow
          Q [l/min]                                           Q [l/min]                                                                                               is bidirectional. Because of the nature of the
          3  K0488                            ∆ p = 20 bar   80  K0487                             ∆ p = 20 bar                                                       design, there is only a small amount of leakage.
        2,5                           A      PT       B      60      A      PT       B               A      PT      B
          2                                   ∆ p = 10 bar                                         ∆ p = 10 bar
        1,5                                   ∆ p = 5 bar    40                                    ∆ p = 5 bar
          1                                                                                                                                                           TYPE CODE
        0,5                                                  20                                                                                                                                                       A   DR             10               #
          0                                                   0                                                                                                       International standard interface ISO
           0    0,5   1     1,5   2    2,5   3  n [-]           0    1     2     3    4     5     6  n [-]
                                      A      PT       B              A      PT       B               A      PT      B                                                 Throttle valve
                                                                                                                                                                      Type list / function
       Caracteristics ADRP, T and PT can be found on data sheet 2.4-532 (throttle cartridge DNIPM22).                                                                 in A     A        in B   B
                                                                                                                                                                      in A and B  AB
                                                                                                                                                                      in P     P
       DIMENSIONS                                                                       A      PT       B              A       PT      B               A      PT      B
                                                                                                                                                                      Nominal size 10
       00ADRP6, ADRT6, ADRPT6                                ADRA, B, AB6                                                                                             Standard
                                                                                    21,5 19                                                                           Design-Index (Subject to change)
 ADRP6         ADRT6 ADRP6             10               10                          ADRT6 17,8            20 10

                                                                                      T
                                        ∅ 5,5    48.5                                   A  B   PT       B             48.5   A  PT     B               A      PT      B
                                               27           45  ∅ 35          31    A          21  32,5             27             GENERAL SPECIFICATIONS                               HYDRAULIC SPECIFICATIONS
                                                                                                                                                    Throttle valve
                                                                                                                                   Description
                                                                                                                                                                                                            Mineral oil, other fluid on request
                                                                                                                                                                                        Fluid
                                                                                         P                                         Nominal size     NG10 acc. to ISO 4401-05            Contamination efficiency  ISO 4406:1999,
       20         A    B  98           44        1.25                       20         A    B  98           44        1.25         Construction     Sandwich construction                                   class 20/18/14…21/19/15
                             142                                                 60       32      142                              Mounting         4 mounting holes for socket head cap screws             (Required filtration grade ß 10…25 ≥75)
                                                  42                               A=92                                                             M6 or studs screws M6                                   refer to data sheet 1.0-50/2
                                                                                                                                                                                                                 2
                                                                                                                                                                                                                          2
                                                                                         B=92                                      Connections      Threaded connection plates, Multi-flange   Viscosity range   12 mm /s…320 mm /s
                                                                                                                                                                                        Fluid temperature

                                                                                                                                                    subplates, Longitudinal stacking system
                                                                                                                                                                                                            -20…+70 °C
                                                                                                                                      21,5 19
                                                                       49            AB=120               10                       Ambient temperature   -20…+50 °C 20                  Peak pressure       p max  = 350 bar
                                                                                                                                        17,8
                                                                                                                                   Mounting position   any                              Nominal volume flow rate  Q  = 60 l/min
                                                                                                                                                                                                             N
 ADRPT6        ADRPT6                                                                                                              Fastening torque   M = 9,5 Nm (Quality. 8.8)                             Q  at 10 bar valve pressure loss
                                                                                                                                                      D
                    T                                                                    T                                         Weight  T        m  = 2,1 kg                         Max. Volume flow    Q N  max  = 100 l/min
                A       B                                                            A  T  ∅ 5,5  B                                          B                                          Leakage volume flow   Almost leak free with closed restrictor
  49.5      31                    21    32.5    46           49.5                31        B           21    32.5    46   45  ∅ 35  31  A         21  32,5
                                                                                    A                                                      P
                    P                                                                    P                                         TYPE LIST / FUNCTION
                                                                                         P
                  21.5                                                                 21.5                                        ADRA10                          ADRB10                         ADRAB10
                    40.5                                                                 40.5                                      60       32
  223                          223                                       24        T=92             42  30                           A=92
                                                                                        P=92                                               B=92
                                                                                      PT=120                             49            AB=120
       PARTS LIST                                          PARTS LIST                                                                A      PT      B               A      PT       B              A      PT       B
       Position  Article  Description                       Position  Article  Description
 (1 : 2) ADRPT6                                            (1 : 2) ADRPT6                                                          ADRP10 #1
 (1 : 2) ADRP6  (1 : 2) ADRT6  (1 : 2) ADRP6  (1 : 2) ADRT6
       10      623.3002  DNIPM22-60                         20      114.1201  Turning knob                                              T
       20      173.3650  ADB6 Sealing plate                 30      160.2093  O-ring ID 9,25 x 1,78                                          B
                                                                                                                                      A
       Technical explanation see data sheet 1.0-100                                                                                        P
                                                                                                                                     A      PT      B               A      PT       B
                                                                                                                            24       T=92
                                                                                                                                                         30
       Wandfluh AG        Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.     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   2.4-750E 2/2              Postfach   P=92     Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.4-770E 1/2
                                                                                                                                        PT=12
       CH-3714 Frutigen                                                                            Edition 21 31                   CH-3714 Frutigen  0                                                                          Edition 21 31
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                                                                                                                                                                                       48
                                                                                                                                                      10                              20,8         40 50  20
                                                                                                                                                                                                  16,8
                                                                                                                                                                                        P
                                                                                                                                                                                                1,5
                                                                                                                                                                                   A
                                                                                                                                                                                          B
                                                                                                                                        ∅ 6,5               60  ∅ 35          46  T
                                                                                                                                                                                             To
                                                                                                                                                                                                  9,7
                                                                                                                                                                                 66
                                                                                                                                                38
                                                                                                                                                                                     A=137,7
                                                                                                                                                                                    B=137,7
                                                                                                                                                                      49            AB=132
                                                                                                                                                                                           P
                                                                                                                                                              9,7
                                                                                                                                                                                     A       B
                                                                                                                                                                                   T
                                                                                                                                                                                               To


                                                                                                                                                                                  80         40
                                                                                                                                                                                    T=120
                                                                                                                                                                                                    30
                                                                                                                                                                                    P
                                                                                                                                                                              A       B
                                                                                                                                                                            T
                                                                                                                                                                                         To

                                                                                                                                                                              40        66     18
                                                                                                                                                                                   P=106
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