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    Series
    C2.954-1

    Sequence valves ND 4

    with check valve
    max. operating pressure 500 bar
    Sequence valves ND 4
    Downloads
    Catalogue sheet
    USESFR
    Operating instructions
    Information Series
    Description
    C 2.954 Sequence Valve ND 4

    Sequence valves are used in power workholding circuits for pressure dependent sequence control. The compact size allows mounting directly to the clamping fixture, requiring only one pressure line from the power unit to the fixture for single-acting cylinders.

    Zuschaltventil C2.954 mit Rohrgewindeanschluss G1/4
    Zuschaltventil C2.954 mit Rohrgewindeanschluss G1/4
    Zuschaltventil C2.954 mit Flanschanschluss
    Zuschaltventil C2.954 mit Flanschanschluss
    Products (6)
    type
    sequence valve (6)
    type
    max. operating pressure [bar]
    type
    spool valve (6)
    max. flow rate [l/min]
    8 (6)
    port size
    control
    pressure-dependent (6)
    Einstellbereich
    Item no. CAD datatypetypemax. operating pressure [bar]type
    Item no.
    2954410
    CAD data
    type
    sequence valve
    type
    pipe-thread type
    max. operating pressure [bar]
    500
    type
    spool valve
    Properties
    Item no.
    2954419
    CAD data
    type
    sequence valve
    type
    manifold-mounting type
    max. operating pressure [bar]
    500
    type
    spool valve
    Properties
    Item no.
    2954420
    CAD data
    type
    sequence valve
    type
    pipe-thread type
    max. operating pressure [bar]
    500
    type
    spool valve
    Properties
    Item no.
    2954429
    CAD data
    type
    sequence valve
    type
    manifold-mounting type
    max. operating pressure [bar]
    500
    type
    spool valve
    Properties
    Item no.
    2954440
    CAD data
    type
    sequence valve
    type
    pipe-thread type
    max. operating pressure [bar]
    500
    type
    spool valve
    Properties
    Item no.
    2954449
    CAD data
    type
    sequence valve
    type
    manifold-mounting type
    max. operating pressure [bar]
    250
    type
    spool valve
    Properties
    Item no.
    2954410
    type
    sequence valve
    type
    pipe-thread type
    max. operating pressure [bar]
    500
    type
    spool valve
    max. flow rate [l/min]
    8
    port size
    G1/4
    control
    pressure-dependent
    Einstellbereich
    10 – 75 bar
    Item no.
    2954419
    type
    sequence valve
    type
    manifold-mounting type
    max. operating pressure [bar]
    500
    type
    spool valve
    max. flow rate [l/min]
    8
    port size
    Ø 5 mm
    control
    pressure-dependent
    Einstellbereich
    10 – 75 bar
    Item no.
    2954420
    type
    sequence valve
    type
    pipe-thread type
    max. operating pressure [bar]
    500
    type
    spool valve
    max. flow rate [l/min]
    8
    port size
    G1/4
    control
    pressure-dependent
    Einstellbereich
    10 – 150 bar
    Item no.
    2954429
    type
    sequence valve
    type
    manifold-mounting type
    max. operating pressure [bar]
    500
    type
    spool valve
    max. flow rate [l/min]
    8
    port size
    Ø 5 mm
    control
    pressure-dependent
    Einstellbereich
    10 – 150 bar
    Item no.
    2954440
    type
    sequence valve
    type
    pipe-thread type
    max. operating pressure [bar]
    500
    type
    spool valve
    max. flow rate [l/min]
    8
    port size
    G1/4
    control
    pressure-dependent
    Einstellbereich
    100 – 450 bar
    Item no.
    2954449
    type
    sequence valve
    type
    manifold-mounting type
    max. operating pressure [bar]
    250
    type
    spool valve
    max. flow rate [l/min]
    8
    port size
    Ø 5 mm
    control
    pressure-dependent
    Einstellbereich
    100 – 450 bar
    Accessories (1)
    Item no. CAD data Description
    Item no.
    3000342
    CAD data
    Description
    O-ring 7 x 1.5 mm, NBR as per data sheet B1.5091
    Application example
    Application example 1

    The workpiece is to be positioned and clamped in the fixture with hydraulic clamping cylinders.

    Clamping sequence

    • Cylinder 1 pushes workpiece against stop a.
    • Pressure rises to 30 bar, sequence valve opens.
    • Cylinder 2 and 3 extend and push the workpiece against stop b and c.
    • Oil pressure rises uniformly in all cylinders, because of the throttle-free passage of the opened sequence valve.
    Application example 2

    Sequence control for 5 single-acting clamping cylinders.

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    Please note: Our CAD data are generally simplified data and primarily reflect the outer contour and connections of the product (see also Terms of use). Please always refer to the relevant catalogue sheet for the exact dimensions with tolerances, in particular the information on mounting holes or attachments such as special clamps.