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  • 0510765118 AZPGF-22-022/016RDC2020MB-S0265

    General information

    It is the central task of external gear pumps to convert mechanical energy (torque and speed) into hydraulic energy (flow and pressure). To reduce heat losses, Rexroth’s external gear units offer very high efficiencies. They are realized by pressure-dependent gap sealing and highly precise production technology.

    Rexroth external gear pumps are built in four frame sizes: Platform B, F, N and G. Within each platform different sizes can be realized by different gear widths. The pumps are available in the versions Standard, High-Performance, SILENCE und SILENCE PLUS. Further configuration variants are given by different flanges, shafts, valve arrangements and multiple pump combinations.

  • 9510080204 AZPF-11-004RARXXMB-S0357

    General information

    It is the central task of external gear pumps to convert mechanical energy (torque and speed) into hydraulic energy (flow and pressure). To reduce heat losses, Rexroth’s external gear units offer very high efficiencies. They are realized by pressure-dependent gap sealing and highly precise production technology.

    Rexroth external gear pumps are built in four frame sizes: Platform B, F, N and G. Within each platform different sizes can be realized by different gear widths. The pumps are available in the versions Standard, High-Performance, SILENCE und SILENCE PLUS. Further configuration variants are given by different flanges, shafts, valve arrangements and multiple pump combinations.

  • R910903160 AXIAL-PISTON PUMP A A10VSO 28 DFR /31R-PPA12NN00

    • Through drive for mounting of further pumps up to same nominal size
    • Low operating noise
    • Long service life
    • Controls with short response times
    • Excellent suction characteristics
    • 2 drain ports
    • Swashplate design
  • R900031155 PLUG IN CONNECTOR 4P Z24 SPEZ

  • ROTARY GROUP A10V18/31R+VERP

  • R910937565 A10VSO18-SEAL-KIT

  • R900086685 POPPET DIRECTIONAL VALVE M-3SED10CK1X/350CG24N9K4

    General

    The directional valve of the type M-.SED is a direct operated directional seat valve with solenoid actuation. It controls the start, stop and direction of flow and mainly consists of a housing (1), the solenoid (2), the valve seats (7) and (11) as well as of the closing element (4).

    The manual override (6) allows for the switching of the valve without solenoid energization.

    Basic principle

    The initial position of the valve (normally open “UK” or normally closed “CK”) is determined by the arrangement of the spring (5). The chamber (3) behind the closing element (4) is connected to port P and sealed against port

    T. Thus, the valve is pressure-compensated in relation to the actuating forces (solenoid and spring).

    With the special closing element (4), ports P, A and T can be loaded with the maximum operating pressure (350 bar) and the flow can be directed into both directions (see symbols)!

    In the initial position, the closing element (4) is pressed onto the seat (11) by the spring (5), in spool position, it is pressed onto the seat (7) by the solenoid (2). The flow is blocked in a leak-free manner.

    With a sandwich plate, the Plus-1 plate, under the 3/2 directional seat valve, the function of a 4/2 directional seat valve is achieved.

     

    Function of the Plus-1 plate

    • Initial position:

    The main valve is not operated. The spring (5) holds the closing element (4) on the seat (11). Port P is blocked and A is connected to T. Apart from that, one control line is connected from A to the large area of the control spool (8), which is thus unloaded to the tank. The pressure applied via P now pushes the ball (9) onto the seat (10). Now, P is connected to B, and A to T.

    • Transition position:

    Upon actuation of the main valve, the closing element (4) is shifted against the spring (5) and pressed onto the seat (7). During this, port T is blocked, while P, A, and B are briefly connected to each other.

    • Switching position:

    P is connected to A. Since the pump pressure acts via A on the large area of the control spool (8), the ball (9) is pressed onto the seat (12). Thus, B is connected to T, and P to A. The ball (9) in the Plus-1 plate has a “positive spool overlap”.

  • R900561278 DIRECTIONAL SPOOL VALVE 4WE6E6X/EG24N9K4

    Directional valves type WE are solenoid-operated directional spool valves and can be used as electromagnetic components. They control the start, stop and direction of a flow.

    The directional valves essentially consist of the housing (1), one or two electromagnets (2), the control spool (3) and the return springs (4).

    In the de-energized state, the control spool (3) is held in the middle or initial position by the return springs (4) (except version “O”).

    When the electromagnet (2) switching in oil is energized, the control spool (3) moves from its rest position to the desired end position. This releases the required flow direction according to the selected symbol.

    After switching off the electromagnet (2), the control spool (3) is pushed back to the middle or initial position (except for valve with detent “OF” and valve without spring type “O”).

    An auxiliary actuation (5) enables the valve to be switched manually without magnet supply.

    The hydraulic system must be properly vented to ensure proper function.

  • R900588201 DIRECTIONAL SPOOL VALVE 4WE10E3X/CG24NK9K4