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    Series
    B1.891

    Threaded-body swing clamps

    with overload protection device
    single and double acting, max. operating pressure 500 bar
    Threaded-body swing clamps
    Downloads
    Catalogue sheet
    USESFR
    Operating instructions
    Information Series
    Description
    B 1.891 Swing Clamps with Overload Protection Device

    These hydraulic swing clamps are used when it is required to keep the fixture workpieces area free of straps and clamping components for unrestricted workpiece loading and unloading.

    This design allows the use of swing clamps even in restricted places. The threaded-body swing clamp can be sunk directly into the fixture up to the hexagon.
    Oil feed through two holes, allowing for 3 fitting and hose connections:


    1. Individual connection
    With only one swing clamp being used, both connections can be tapped directly.

    2. Series connection
    If several swing clamps arranged in a row, the arrangement and size of the hole must be in accordance with catalog sheet B1.891. Instead of the expander stopper also, of course, an G1/4 plug (Part no. 3610 006) may be used.

    3. Connecting housing
    By means of the connecting housing available as an accessory, the swing clamps can be individually fixed with screws and piped.

    Standard swing angles are 45°, 60°, and 90° ±2°.
    Mounting of the clamping arms can be made in any angular position

    All units are equipped with piston rod wipers and with an overload protection device which catches at every 180° angle.
    This is the initial position for the swing motion.

    Products (14)
    body design
    threaded-body type (14)
    clamping arm seat
    cone 1:10 (14)
    clamping stroke [mm]
    swing stroke [mm]
    total stroke [mm]
    14 (14)
    swing angle [°]
    swing direction
    functioning
    piston diameter [mm]
    23 (14)
    rod diameter [mm]
    20 (14)
    max. pulling force [kN]
    5 (14)
    max. operating pressure [bar]
    500 (14)
    seals
    NBR (14)
    hydraulic ports
    for drilled channels (14)
    position monitoring
    without (14)
    pressure range
    high pressure (14)
    extended piston rod
    without (14)
    max. clamping force [kN]
    4.1 (14)
    swing mechanism
    standard (14)
    overload protection device
    with (14)
    query of
    without (14)
    wiper material
    FKM (14)
    Item no. CAD datafunctioningpiston diameter [mm]rod diameter [mm]max. pulling force [kN]
    Item no.
    1881102
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881122
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881132
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881202
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881222
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881232
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881242
    CAD data
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1891101
    CAD data
    functioning
    double acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1891121
    CAD data
    functioning
    double acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1891131
    CAD data
    functioning
    double acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    Properties
    Item no.
    1881102
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1881122
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    60
    swing direction
    cw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1881132
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    45
    swing direction
    cw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1881202
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    90
    swing direction
    ccw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1881222
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    60
    swing direction
    ccw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1881232
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    45
    swing direction
    ccw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1881242
    functioning
    single acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    14
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    swing direction
    none
    swing stroke [mm]
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1891101
    functioning
    double acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    90
    swing direction
    cw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1891121
    functioning
    double acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    60
    swing direction
    cw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Item no.
    1891131
    functioning
    double acting
    piston diameter [mm]
    23
    rod diameter [mm]
    20
    max. pulling force [kN]
    5
    max. operating pressure [bar]
    500
    seals
    NBR
    hydraulic ports
    for drilled channels
    body design
    threaded-body type
    position monitoring
    without
    pressure range
    high pressure
    clamping stroke [mm]
    7
    extended piston rod
    without
    max. clamping force [kN]
    4.1
    swing mechanism
    standard
    overload protection device
    with
    query of
    without
    swing angle [°]
    45
    swing direction
    cw
    swing stroke [mm]
    7
    total stroke [mm]
    14
    wiper material
    FKM
    clamping arm seat
    cone 1:10
    Accessories (8)
    Item no. CAD data Description
    Item no.
    0131530
    CAD data
    /
    Description
    Seal kit, external seals for 1881-1X2/-2X2 and 1891-1X1/-2X1 as per data sheet S0.001
    Item no.
    0354000
    CAD data
    Description
    Clamping strap assembly, complete for 18X3-XXX with carrier, material: GGG-40 max. 500 bar, as per data sheet B1.880
    Item no.
    0354001
    CAD data
    Description
    Clamping arm, complete for 18X3-XXX with thread, material: 42CrMo4 max. 200 bar, as per data sheet B1.880
    Item no.
    0354131
    CAD data
    Description
    Double clamping arm assembly, complete for 18X3-XXX with carrier, material: GGG-40 max. 500 bar, as per data sheet B1.880
    Item no.
    3300394
    CAD data
    /
    Description
    Expander sealing plug Ø 4 mm as per data sheet B1.891
    Item no.
    3467143
    CAD data
    /
    Description
    Mounting body for 1891-X01 65 x 45 x 70 mm pipe thread G1/4 as per data sheet B1.891
    Item no.
    3548159
    CAD data
    Description
    Clamping arm short for 18X3-XXX 42CrV4 hardened and tempered max. 500 bar, as per data sheet B1.881
    Item no.
    3921016
    CAD data
    Description
    Clamping arm, complete for 18X3-XXX without thread, material: 42CrMo4 max. 200 bar, as per data sheet B1.880
    Error loading CAD data. Please check your internet connection and try again.
    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.