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).

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Omschrijving Prijs Connector A Hydraulic Fitting Type Connector B Material Finish Connector A - Thread Size Connector A - Thread Standard Connector A - Gender Connector B - Thread Size Connector B - Gender Connector B - Thread Standard Maximum Operating Pressure Maximum Operating Temperature Minimum Operating Temperature
RS-stocknr. 797-2025
Fabrikantnummer8R6MK4S
FabrikantParker
€ 18,15
Each
Aantal stuks
G 1/2 Female Hydraulic Tee Threaded Adaptor G 1/2 Female Steel Zinc Plated - G Female - Female G 199bar - -
RS-stocknr. 797-2034
Fabrikantnummer8S6MK4S
FabrikantParker
€ 14,22
Each
Aantal stuks
G 1/2 Male Hydraulic Tee Threaded Adaptor G 1/2 Male Steel Zinc Plated - G Male - Male G 199bar - -
RS-stocknr. 183-6276
Fabrikantnummer12F3MK4S
FabrikantParker
€ 5,31
Each (In a Pack of 2)
Aantal stuks
G 3/4 Male Hydraulic Straight Threaded Adaptor R 3/4 Male Steel Yellow Chromated, Zinc Plated 3/4in G Male 3/4in Male R 280bar +120°C -40°C
RS-stocknr. 727-733
FabrikantnummerVSTI1/4EDCF
FabrikantParker
€ 2,604
Each (In a Pack of 5)
Aantal stuks
- Hydraulic Blanking Plug - Steel Zinc Plated 1/4in G - - - - 400bar +100°C -30°C
RS-stocknr. 366-6221
FabrikantnummerMIK-1
FabrikantParker
€ 67,11
Each
Aantal stuks
- Hydraulic Thread Identification Kit - - - - BSPP, BSPT, Metric, NPT, SAE - - - - - - -
RS-stocknr. 283-3385
Fabrikantnummer58295
FabrikantElesa-Clayton
€ 0,966
Each (In a Pack of 5)
Aantal stuks
- Hydraulic Blanking Plug - Glass Fibre Reinforced Plastic (GRP) Matte 1/4in G - - - - - +130°C -30°C
RS-stocknr. 797-2028
Fabrikantnummer12R6MK4S
FabrikantParker
€ 30,17
Each
Aantal stuks
G 3/4 Female Hydraulic Tee Threaded Adaptor G 3/4 Female Steel Zinc Plated - G Female - Female G 199bar - -
RS-stocknr. 807-659
Fabrikantnummer12HMK4S
FabrikantParker
€ 3,925
Each (In a Pack of 2)
Aantal stuks
G 3/4 Male Hydraulic Straight Threaded Adaptor G 3/4 Male Steel Yellow Chromated, Zinc Plated 3/4in G Male 3/4in Male G 280bar +120°C -40°C
RS-stocknr. 183-6248
Fabrikantnummer6-6F3MK4S
FabrikantParker
€ 1,79
Each (In a Pack of 2)
Aantal stuks
G 3/8 Male Hydraulic Straight Threaded Adaptor R 3/8 Male Steel Yellow Chromated, Zinc Plated 3/8in G Male 3/8in Male R 380bar +120°C -40°C
RS-stocknr. 727-727
FabrikantnummerVSTI1/8EDCF
FabrikantParker
€ 2,652
Each (In a Pack of 5)
Aantal stuks
- Hydraulic Blanking Plug - Steel Zinc Plated 1/8in G - - - - 400bar +100°C -30°C
RS-stocknr. 807-508
FabrikantnummerWH10LRCF
FabrikantParker
€ 14,50
Each
Aantal stuks
G 1/4 Hydraulic Banjo Compression Tube Fitting - Mild Steel Zinc Plated 1/4in G - - - - 315bar +120°C -40°C
RS-stocknr. 124-8464
Fabrikantnummer1014357A
FabrikantSKF
€ 121,33
Each
Aantal stuks
G 1/8 Female Hydraulic Straight Threaded Adaptor G 1/4 Male - - - G Female - Male G 300 MPa - -
RS-stocknr. 807-592
Fabrikantnummer8-6HMK4S
FabrikantParker
€ 2,78
Each (In a Pack of 2)
Aantal stuks
G 3/8 Male Hydraulic Straight Threaded Adaptor G 1/2 Male Steel Yellow Chromated, Zinc Plated 3/8in G Male 1/2in Male G 380bar +120°C -40°C
RS-stocknr. 727-749
FabrikantnummerVSTI3/8EDCF
FabrikantParker
€ 3,03
Each (In a Pack of 5)
Aantal stuks
- Hydraulic Blanking Plug - Steel Zinc Plated 3/8in G - - - - 400bar +100°C -30°C
RS-stocknr. 807-621
Fabrikantnummer12-8HMK4S
FabrikantParker
€ 4,34
Each (In a Pack of 2)
Aantal stuks
G 1/2 Male Hydraulic Straight Threaded Adaptor G 3/4 Male Steel Yellow Chromated, Zinc Plated 1/2in G Male 3/4in Male G 310bar +120°C -40°C
RS-stocknr. 498-182
Fabrikantnummer12H6K4S
FabrikantParker
€ 4,445
Each (In a Pack of 2)
Aantal stuks
G 3/4 Female Hydraulic Straight Threaded Adaptor G 3/4 Female Steel Yellow Chromated, Zinc Plated 3/4in G Female 3/4in Female G 280bar +120°C -40°C
RS-stocknr. 727-755
FabrikantnummerVSTI1/2EDCF
FabrikantParker
€ 4,984
Each (In a Pack of 5)
Aantal stuks
- Hydraulic Blanking Plug - Steel Zinc Plated 1/2in G - - - - 400bar +100°C -30°C
RS-stocknr. 283-3414
Fabrikantnummer58297
FabrikantElesa-Clayton
€ 1,378
Each (In a Pack of 5)
Aantal stuks
- Hydraulic Blanking Plug - Glass Fibre Reinforced Plastic (GRP) Matte 1/2in G - - - - - +130°C -30°C
RS-stocknr. 807-435
FabrikantnummerR11/2EDX1/4
FabrikantParker
€ 3,18
Each (In a Pack of 2)
Aantal stuks
G 1/2 Male Hydraulic Straight Threaded Reducer G 1/4 Female Steel Zinc Plated 1/2in G Male 1/4in Female G 630bar +100°C -30°C
RS-stocknr. 797-2081
Fabrikantnummer6-6F6MK4S
FabrikantParker
€ 4,50
Each (In a Pack of 2)
Aantal stuks
G 3/8 Female Hydraulic Straight Threaded Adaptor G 3/8 Male Steel Zinc Plated - G Female - Male G 350bar - -