Page 16 - Parker - Load and Motor Control Valves
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Catalog HY15-3502/US                              Counterbalance Valve
                   Dimensions                                        Series MHB-030

            CV
                   *Inch equivalents for millimeter dimensions are shown in (**)
                   Series MHB-030-L*A* Single Counterbalance, Non-Vented, In-line Mount
                   Series MHB-030-W*A* Single Counterbalance, Vented, In-line Mount
            Valves
              Check
            SH
                                                            MHB-030-L*A* Non-Vented
                                                                                           44.9
            Valves
              Shuttle
                                                  2 Mounting Holes                         (1.77)
            LM                                    10.3 (.41) Dia.Thru

                                              Valve
            Controls
              Load/Motor
                                              Port
            FC
                                                        101.6                  87.3
                                                        (4.00)                 (3.44)
                                                                                   94.4
                                      V
                                             62.0                                 (3.72)
                                            (2.44)
              Flow
            Controls
                                                                                           31.0    C
            PC                                                                             (1.22)
                                                                      61.9
                                                         2.8                                 Cylinder Port
                                                         (.11)    69.0  (2.44)
            Controls
              Pressure
                                                                 (2.72)
            LE
                                                                   76.2
                                                         19.1      (3.00)  29.5
                                                         (.75)          (1.16)
                                                                                Pilot       MHB-030-W-A*
              Logic
            Elements
                                                                                Port                              61.0
            DC                                        38.1                                          and          (2.40)
                                                     (1.50)                                 MHB-030-W*D*
                                                                                                  Vented
                                                                       P
              Directional
            Controls
            MV     Series MHB-030-L*D* Dual Counterbalance, Non-Vented, In-line Mount
                   Series MHB-030-W*D* Dual Counterbalance, Vented, In-line Mount
                                 57.3                       MHB-030-L*D* Non-Vented                    57.2
            Valves
              Manual
                                (2.25)                                                                (2.25)
            SV
                                                      44.9
                                                     (1.77)
            Valves
              Solenoid
            PV
                                          31.1
                                                                                              39.6
                                         (1.22)                                               (1.56)   C1
                             V2
                                             70.6                               93.6      62.0
                                            (2.78)                             (3.69)     (2.44)
                                                     101.6                  85.7
              Proportional
            Valves
            CE                                       (4.00)                 (3.38)
                                                                                                             C2
                                                                                          Cylinder
                                    V1                                                    Ports
              Coils &
            Electronics
            BC
                                                                              2 Mounting Holes
                            Valve                                             10.3 (.41) Dia. Thru
                            Ports
              Bodies &
            Cavities
                                                              45.7                           19.1
            TD                            18.7               (1.80)                          (.75)
                                          (.74)                   76.2                                   76.2
                                                                 (3.00)                                 (3.00)
                    THIRD-ANGLE
                    PROJECTION
              Technical
            Data
                                                                   LM15                        Parker Hannifin Corporation
                                                                                               Hydraulic Cartridge Systems
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