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BH..04
                                                                                                Poppet valve                                                                                                                       BH..04


       GENERAL SPECIFICATIONS                              ACTUATION                                                               VALVES INSTALLED
       Designation        2/2-, 3/2- and 3/4-way poppet valve  Actuation       Hand lever                                          The central functioning element is the poppet valve cartridge NG4, data sheet 1.11-2020.
       Construction       Direct operated                   Actuation angle    a = 5 °                                             DIMENSIONS
       Mounting           Flange construction               Actuation force    F  = 20 - 120 N (depending on flow                  3/2-; 2/2-way                                        3/2-; 2/2-way
                                                                                b
       Nominal size       NG4-Mini according to Wandfluh                       direction and pressure)
                          standard
       Actuation          Hand operated                    STANDARDS
       Ambient temperature  -25…+70 °C (NBR)                Mounting interface  Wandfluh standard
                          -20…+70 °C (FKM)
       Weight             0,95 kg (2/2- and 3/2-way)        Contamination      ISO 4406
                                                            efficiency
                          1,45 kg (3/4-way)
       MTTFd              150 years
                                                                                                                                      152
                                                                                                                                                         9.5
       HYDRAULIC SPECIFICATIONS                            ACCESSORIES                                                                                   5.5      MD= 5.2Nm

       Working pressure   p  = 350 bar                      Fixing screws                Data sheet 1.0-60                                                         5.5
                           max
       Maximum volume flow  Q  = 15 l/min, see characteristic  Threaded subplates        Data sheet 2.9-10
                           max
       Volume flow direction  Any (see characteristic)      Multi-station subplates      Data sheet 2.9-50                                                         32.5     35    38
       Leakage oil        Seat tight, max. 0,05 ml / min (approx. 1   Module type manifold blocks  Data sheet 2.9-90
                          drop / min) at 30 cSt                                                                                                                                                             10
                                                                                                                                       50
       Fluid              Mineral oil, other fluid on request  Technical explanations    Data sheet 1.0-100                         MD= 2.6Nm  10   20      70   40      60 MD= 2.6Nm
                               2
                                        2
       Viscosity range    12 mm /s…320 mm /s                Filtration                   Data sheet 1.0-50                                          41                                            54
                                                                                                                                                  56           54     10
       Temperature range   -20…+70 °C                                                                                                                114  BH22041a                                  124  BH22040b
                                                                                                                                                                                                    124  BH32040b
       fluid                                                                                                                                          124  BH32041a
       Contamination      Class 20 / 18 / 14               SURFACE TREATMENT
       efficiency                                           ◆  The valve body is painted with a two component paint                3/4-way
       Filtration         Required filtration grade ß 10…16 ≥ 75,   ◆  The hand lever housing, the screws and the cover are zinc
                          see data sheet 1.0-50               coated                                                                                                                    PARTS LIST
                                                                                                                                                                                         Position Article  Description
       PERFORMANCE SPECIFICATIONS                                                                                                                                                             10 253.2000  Hand control head BHII
       Oil viscosity u = 30 mm /s                                                                                                                                                             20 074.2703  Flange square
                       2
       p = f (Q)  Performance limits                        Δp = f (Q)  Pressure drop volume flow characteristics                                                                             40 057.4201  Cover
           p [bar]                    2   1                    p [bar]                                                                                                                        50 249.1007  Socket head screw M4 x 63 DIN 912
         350  K0172                                           40  K0154                                                                                                                       60 246.1113  Socket head screw M4 x 12 DIN 912
         300                                                  35                                                                                                                              70 160.2052  O-ring ID 5,28 x 1,78 (NBR)
         250                                                  30
         200                                                  25                                                                                                                                 160.6052  O-ring ID 5,28 x 1,78 (FKM)
                                                              20
         150                                                  15
         100                                                  10
          50                                                   5
           0                                                   0                                                                                                                        SEALING MATERIAL
            0    2   4    6   8   10   12  14 15  Q [l/min]     0    2   4   6   8   10  12   14  16  Q [l/min]                      10                                                 NBR or FKM (Viton) as standard, choice in the type code
                                                                                                                                                            82
                                Flow direction                                                                                                              202
            Type      P - A     A - T    A - P    T - A                                                                                 INSTALLATION NOTES                              HYDRAULIC CONNECTION
          BH22041a      1        -        1        -
                                                                                                                                    Mounting type      Flange mounting
          BH22040b      1        -        2        -
                                                                                                                                                       3 fixing holes for                                    28
          BH32041a      1        2        1        1                                                                                                   socket head screws M5 x 40                            14
          BH32040b      1        1        2        1                                                                                Mounting position  Any, preferably horizontal
          BH3404        1        1        1        1                                                                                Tightening torque  Fixing screws M  = 5,2 Nm (screw                     P
                                                                                                                                                                   D
                                                                                                                                                       quality 8.8, zinc coated)                         A       B       14    27
                                                                                                                                   Note!    The length of the fixing screw depends on the base         T           T0
                                                                                                                                            material of the connection element.

                                                                                                                                                                                        Wandfluh AG  Postfach  CH-3714 Frutigen
                                                                                                                                                                                        Tel. +41 33 672 72 72  Fax +41 33 672 72 12  [email protected]

                      www.wandfluh.com  Abbildung unverbindlich  Änderungen vorbehalten  2/3  Ausgabe: 17 23  1.11-5120 D                          www.wandfluh.com  Illustrations are not binding  Data subject to change  3/3  Edition: 17 23  1.11-5120 E
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