Hydraulic Fittings | Hydraulic Adapter | RS
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    Hydraulic Fittings

    Hydraulic fittings form part of a hydraulic system which connects hoses, pipes and tubes. There are various fittings which are used to connect the system together and help the hydraulic fluid to flow through. Hydraulic fittings, or hose fittings, are used to connect hydraulic hoses and pipes to other components such as valves and pumps.

    Hydraulic fittings will usually have a male and/or female connection which join to other components. The connections are usually threaded and there are several thread standards available, such as JIC, BSP and BSPP. BSP male threads will seal with BSP female threads, for example. Popular materials include plastic, brass and stainless steel fittings.

    Types of hydraulic fittings:

    • Plugs
    • Adapters
    • Couplings
    • Unions
    • Reducers
    • Elbows

    How are hydraulic fittings attached?

    There are several methods used to attach a hydraulic fitting. Examples include:

    • Compression fittings provide water tight connections by using pressure to seal the connection. They usually use a compression nut which, when tightened, removes space between the ferrule and the pipe.
    • Threaded fittings have screw threads on both sides of the connection. They accept connections with compatible threads and screw together for a secure connection. Not all threads provide a tight seal and may benefit from additional coatings or seals.
    • Crimped fittings require crimping of the hose to the fitting. You may require a crimping tool to achieve this.

    Thread Types

    Hydraulics machines are used all across the world and there are many components used in each system. Thread types are used to help make parts easily identifiable and easy to maintain and replace. Some examples of thread standards include:

    • NPT stands for National Pipe Thread where the threads are at a 60° angle. There is also NPT (National Pipe Taper) and NPS (National Pipe Straight).
    • BSP fittings stands for British Standard Pipe where the angle of the threads is 55°. This standard includes BSPT (British Standard Pipe Taper) and BSPP (British Standard Parallel Pipe).
    • Metric threads are specified by their diameter and pitch in millimetres (mm).

    2611 Products showing for Hydraulic Fittings

    Parker
    -
    -
    Hydraulic DIN Fitting
    BSPP 1/4
    G 1/4 Ain
    -
    Steel
    -
    -
    Male
    Male
    BSPP
    800 bar
    +150°C
    -58°F
    Parker
    3/8 in Hose
    -
    Hydraulic Swivel
    UNF 3/4-16 Female
    3/4-16in
    -
    Steel
    -
    -
    -
    Female
    UNF
    350 bar
    -
    -
    Parker
    3/4 in Hose
    3/4in
    Crimped Hose Fitting
    M30
    -
    -
    Steel
    -
    -
    -
    Female
    Metric
    420 bar
    -
    -
    Parker
    -
    -
    Hydraulic DIN Fitting
    -
    -
    -
    Steel
    -
    -
    Male
    Male
    -
    -
    +572°F
    -40°C
    Parker
    -
    -
    Hydraulic DIN Fitting
    -
    -
    18 mm Tube O.D.
    Steel
    -
    -
    Male
    Male
    -
    400 bar
    +572°F
    -40°C
    Parker
    1/2 in Hose
    -
    Crimped Hose Fitting
    1/2-14 in Male
    1/2-14in
    -
    Steel
    Chrome 6 Free Plated
    -
    -
    Male
    BSP
    43 MPa
    -
    -
    Parker
    -
    -
    Hydraulic Male Stud
    M18 x 1.5 Male
    M18 X 1.5mm
    -
    Steel
    -
    -
    Male
    Male
    Metric
    630 bar
    +320°F
    -50°C
    Parker
    -
    -
    Hydraulic Male Stud
    M22
    M22 X 1.5mm
    -
    Steel
    -
    -
    Male
    Male
    Metric
    630 bar
    +320°F
    -50°C
    Parker
    -
    -
    Hydraulic Male Stud
    Male BSPP
    G 1/2in
    -
    Steel
    -
    -
    Male
    Male
    BSPP
    420 bar
    +320°F
    -58°F
    Parker
    3/4 in Hose
    -
    Crimped Hose Fitting
    1 in Flange
    -
    -
    Steel
    -
    -
    -
    -
    -
    420 bar
    -
    -
    Parker
    Tube 28
    -
    Hydraulic DIN Fitting
    For tubing outside diameter 22 mm
    -
    22 mm Tube O.D.
    Steel
    -
    -
    Male
    Male
    -
    250 bar
    +572°F
    -40°F
    Parker
    24° Cone Male
    -
    Hydraulic Female Stud
    G 1/8 Female
    G 1/8in
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Parker
    Tube 15
    -
    Hydraulic DIN Fitting
    -
    -
    12 mm Tube O.D.
    Steel
    -
    -
    Male
    Male
    -
    -
    +300°C
    -40°F
    Parker
    -
    -
    Hydraulic DIN Fitting
    -
    -
    -
    Steel
    -
    -
    Male
    Male
    -
    630 bar
    +300°C
    -40°C
    Parker
    -
    -
    Hydraulic Male Stud
    M18 x 1.5 Male
    M18 X 1.5mm
    -
    Steel
    -
    -
    Male
    Male
    Metric
    -
    +320°F
    -58°F
    Parker
    Female O-Ring Face Seal Swivel
    11/16-16in
    Hydraulic Male Stud
    BSPP 1/4-19 Male
    1/4-19in
    -
    Steel
    -
    -
    Female
    Male
    BSPP
    -
    -
    -
    Parker
    1 in Hose
    -
    Crimped Hose Fitting
    UNF 1 5/16-12 Male
    1 5/16-12in
    -
    Steel
    -
    -
    -
    Male
    UNF
    280 bar
    -
    -
    Parker
    Female 37° JIC Flare
    1 1/2in
    Straight
    Male 37° JIC Flare
    1in
    -
    Steel
    -
    -
    Female
    Male
    -
    517bar
    -
    -
    Parker
    5/8 in Hose
    -
    Hydraulic Swivel
    BSPP 1/2 Female
    1/2in
    -
    Steel
    -
    -
    -
    Female
    BSP
    430 bar
    -
    -
    Parker
    -
    -
    Hydraulic DIN Fitting
    -
    -
    -
    Steel
    -
    -
    Male
    Male
    -
    160 bar
    +300°C
    -40°F
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