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).

    3119 Producten voor Hydraulic Fittings

    RS PRO
    NPT 3/8 Male
    3/8 - NPTin
    Hydraulic Filling & Drain Plug
    -
    -
    -
    Steel
    Zinc Chromium 6
    -
    Male
    -
    -
    700bar
    104°C
    8°C
    Enerpac
    NPT 3/8-18 Male
    3/8-18
    Hydraulic Straight Threaded Adaptor
    NPT 3/8-18 Male
    3/8-18
    -
    -
    -
    NPT
    Male
    Male
    NPT
    700bar
    -
    -
    Enerpac
    NPT 3/8-18 Female
    3/8-18
    Hydraulic Straight Threaded Adaptor
    NPT 3/8-18 Female
    3/8-18
    -
    -
    -
    NPT
    Female
    Female
    NPT
    700bar
    -
    -
    Parker
    Male 24° DIN Cone
    15mm
    Straight Tube to Tube
    Male 24° DIN Cone
    15mm
    -
    Steel
    Zinc Plated
    Metric
    -
    -
    -
    400 bar
    +120°C
    -40°C
    SKF
    G 1/8 Female
    1/8in
    Hydraulic Straight Threaded Adaptor
    G 1/4 Male
    1/4in
    -
    -
    -
    G
    Female
    Male
    G
    300 MPa
    -
    -
    Parker
    G 1
    -
    Hydraulic Straight Threaded Adaptor
    G 1 Male
    -
    -
    Steel
    Zinc Plated
    G
    Female
    Male
    G
    120bar
    +120°C
    -40°C
    Parker
    G 1/2
    -
    Hydraulic Straight Threaded Adaptor
    G 1/2 Male
    -
    -
    Steel
    Zinc Plated
    G
    Male
    Male
    G
    350bar
    +120°C
    -40°C
    Parker
    BSPP 1/4 Male
    1/4-19in
    Hydraulic Straight Threaded Adaptor
    BSPP 1/4-19 Male
    1/4-19in
    -
    Steel
    -
    BSPP
    Male
    Male
    BSPP
    -
    -
    -
    Parker
    Male 24° DIN Cone
    18mm
    Straight Tube to Port
    Male BSPP
    -
    -
    Steel
    Zinc Plated
    G
    -
    -
    -
    250 bar
    +120°C
    -40°C
    Parker
    G 1 Male
    1in
    Hydraulic Straight Threaded Adaptor
    R 1 Male
    1in
    -
    Steel
    Zinc Plated
    G
    Male
    Male
    R
    120bar
    +120°C
    -40°C
    Parker
    G 1 Male
    1in
    Hydraulic Union Straight Threaded Adaptor
    G 1 Male
    1in
    -
    Steel
    Zinc Plated
    G
    Male
    Male
    G
    120bar
    +120°C
    -40°C
    Parker
    Male BSPP
    3/4in
    Straight Port to Port Reducer
    Female BSPP
    G 1/4in
    -
    Steel
    -
    -
    Male
    Female
    -
    315bar
    -
    -
    Parker
    Male 24° DIN Cone
    15mm
    Straight Tube to Tube
    Male 24° DIN Cone
    15mm
    -
    Steel
    -
    -
    Male
    Male
    -
    400bar
    -
    -
    Parker
    G 1/2
    1/2in
    Hydraulic Straight Threaded Adaptor
    R 1/2 Male
    1/2in
    -
    Steel
    Zinc Plated
    G
    Male
    Male
    R
    160bar
    +120°C
    -40°C
    Parker
    G 1
    1in
    Hydraulic Blanking Plug
    -
    -
    -
    Steel
    Zinc Plated
    G
    Male
    -
    -
    400bar
    +100°C
    -30°C
    Parker
    Male BSPP
    1/8in
    Straight Port to Port
    Female BSPP
    G 1/4in
    -
    Steel
    -
    -
    Male
    Female
    -
    400bar
    -
    -
    Parker
    1/2 in Male
    1/2in
    Hydraulic Male Stud
    BSPP 1/2-14 Male
    1/2-14in
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Parker
    G 1/4
    -
    Hydraulic Straight Threaded Adaptor
    G 1/4 Male
    -
    -
    Steel
    Zinc Plated
    G
    Male
    Male
    G
    350bar
    +120°C
    -40°C
    John Guest
    G 1/4 Male
    1/4in
    Hydraulic Straight Compression Tube Fitting
    -
    -
    -
    Acetal
    -
    G
    -
    -
    -
    16bar
    -
    -20°C
    Parker
    Male 37° JIC Flare
    5/8in
    Straight
    Male 37° JIC Flare
    5/8in
    -
    Steel
    -
    -
    Male
    Male
    -
    517bar
    -
    -
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