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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Filtres

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Description Prix 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
N° de stock RS 727-749
Référence fabricantVSTI3/8EDCF
MarqueParker
3,03 €
Each (In a Pack of 5)
Unité
- Hydraulic Blanking Plug - Steel Zinc Plated 3/8in G - - - - 400bar +100°C -30°C
N° de stock RS 367-5821
Référence fabricant0913 00 10
MarqueLegris
1,81 €
Each (In a Pack of 3)
Unité
R 1/8 Male Hydraulic Elbow Threaded Adaptor G 1/8 Female Brass Nickel Plated 1/8in R Male 1/8in Female G 60bar +80°C -10°C
N° de stock RS 120-867
Référence fabricantHF17
MarqueHi-Force
25,94 €
Each
Unité
NPT 3/8-18 Male Hydraulic Straight Threaded Adaptor NPT 3/8-18 Male Steel - 3/8-18 NPT Male 3/8-18 Male NPT 700bar - -
N° de stock RS 367-5922
Référence fabricant0915 00 13
MarqueLegris
3,147 €
Each (In a Pack of 3)
Unité
G 1/4 Female Hydraulic Tee Threaded Adaptor G 1/4 Female Brass Nickel Plated 1/4in G Female 1/4in Female G 20bar +120°C -20°C
N° de stock RS 807-435
Référence fabricantRI1/2EDX1/4A3C
MarqueParker
3,18 €
Each (In a Pack of 2)
Unité
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
N° de stock RS 797-2078
Référence fabricant6HMK4S
MarqueParker
2,775 €
Each (In a Pack of 2)
Unité
G 3/8 Male Hydraulic Straight Threaded Adaptor G 3/8 Male Steel Zinc Plated - G Male - Male G 350bar - -
N° de stock RS 497-971
Référence fabricant4H6K4S
MarqueParker
2,245 €
Each (In a Pack of 2)
Unité
G 1/4 Female Hydraulic Straight Threaded Adaptor G 1/4 Female Steel Yellow Chromated, Zinc Plated 1/4in G Female 1/4in Female G 450bar +120°C -40°C
N° de stock RS 120-873
Référence fabricantHF14
MarqueHi-Force
24,50 €
Each
Unité
NPT 3/8-18 Female Hydraulic Straight Threaded Adaptor NPT 3/8-18 Female Steel - 3/8-18 NPT Female 3/8-18 Female NPT 700bar - -
N° de stock RS 183-6248
Référence fabricant6-6F3MK4S
MarqueParker
1,79 €
Each (In a Pack of 2)
Unité
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
N° de stock RS 183-6260
Référence fabricant8F3MK4S
MarqueParker
2,84 €
Each (In a Pack of 2)
Unité
G 1/2 Male Hydraulic Straight Threaded Adaptor R 3/8 Male Steel Yellow Chromated, Zinc Plated 1/2in G Male 3/8in Male R 310bar +120°C -40°C
N° de stock RS 283-1367
Référence fabricantFZ1616
MarqueEnerpac
37,39 €
Each
Unité
NPT 3/8 Female Hydraulic Elbow Threaded Adaptor NPT 3/8 Male - - 3/8in NPT Female 3/8in Male NPT 700bar - -
N° de stock RS 871-2247
Référence fabricantGE10LMEDCF
MarqueParker
4,54 €
Each
Unité
- Hydraulic Straight Threaded Adaptor M14 x 1.5 Male Steel Zinc Chromium 6 - - - - Male Metric 500bar - -
N° de stock RS 367-5944
Référence fabricant0915 00 21
MarqueLegris
7,693 €
Each (In a Pack of 3)
Unité
G 1/2 Female Hydraulic Tee Threaded Adaptor G 1/2 Female Brass Nickel Plated 1/2in G Female 1/2in Female G 60bar +120°C -20°C
N° de stock RS 871-2278
Référence fabricantVSTI18x1.5EDCF
MarqueParker
5,51 €
Each
Unité
- Hydraulic Blanking Plug - Steel Zinc Plated - Metric - - - - 400bar - -
N° de stock RS 367-5900
Référence fabricant0912 00 21
MarqueLegris
6,187 €
Each (In a Pack of 3)
Unité
G 1/2 Female Hydraulic Elbow Threaded Adaptor G 1/2 Female Brass Nickel Plated 1/2in G Female 1/2in Female G 60bar +80°C -10°C
N° de stock RS 807-514
Référence fabricantWH12LRCF
MarqueParker
18,78 €
Each
Unité
G 3/8 Hydraulic Banjo Compression Tube Fitting - Mild Steel Zinc Plated 3/8in G - - - - 315bar +120°C -40°C
N° de stock RS 367-5916
Référence fabricant0915 00 10
MarqueLegris
2,28 €
Each (In a Pack of 3)
Unité
G 1/8 Female Hydraulic Tee Threaded Adaptor G 1/8 Female Brass Nickel Plated 1/8in G Female 1/8in Female G 20bar +120°C -20°C
N° de stock RS 914-9511
Référence fabricant59972
1,60 €
Each
Unité
- Hydraulic Filling & Drain Plug - Polyamide Based Technopolymer Matte 1/8in G - - - - - +100°C -30°C
N° de stock RS 183-6204
Référence fabricant4-4F3MK4S
MarqueParker
1,375 €
Each (In a Pack of 2)
Unité
G 1/4 Male Hydraulic Straight Threaded Adaptor R 1/4 Male Steel Yellow Chromated, Zinc Plated 1/4in G Male 1/4in Male R 450bar +120°C -40°C
N° de stock RS 727-777
Référence fabricantVSTI1EDCF
MarqueParker
9,205 €
Each (In a Pack of 2)
Unité
- Hydraulic Blanking Plug - Steel Zinc Plated 1in G - - - - 400bar +100°C -30°C