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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Description Price 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庫存編號 366-6221
製造零件編號MIK-1
BrandParker
TWD2,466.00
單位
- Hydraulic Thread Identification Kit - - - - BSPP, BSPT, Metric, NPT, SAE - - - - - - -
RS庫存編號 410-1551
製造零件編號1D948-8-8
BrandParker
TWD430.00
單位
BSP 1/2 BSP Male Crimped Hose Fitting - Steel Zinc Dichromate Plated 1/2in BSP Male - - - 275 bar +105°C -30°C
RS庫存編號 704-3102
製造零件編號PM450612E
BrandJohn Guest
TWD379.00
毎包:5 個
Bag(s)
G 1/4 Male Hydraulic Straight Compression Tube Fitting - Acetal - 1/4in G - - - - 16 bar - -20°C
RS庫存編號 807-592
製造零件編號8-6HMK4S
BrandParker
TWD119.50
/個 (每包:2個)
單位
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 380 bar +120°C -40°C
RS庫存編號 807-564
製造零件編號4HMK4S
BrandParker
TWD81.00
/個 (每包:2個)
單位
G 1/4 Male Hydraulic Straight Threaded Adaptor G 1/4 Male Steel Yellow Chromated, Zinc Plated 1/4in G Male 1/4in Male G 450 bar +120°C -40°C
RS庫存編號 871-2284
製造零件編號4F42EDMXS
BrandParker
TWD259.00
單位
- Hydraulic Straight Threaded Adaptor BSPP 1/8-28 Male Steel Zinc Chromium 6 - - - - Male BSPP 7200 psi - -
RS庫存編號 807-570
製造零件編號6-4HMK4S
BrandParker
TWD104.50
/個 (每包:2個)
單位
G 1/4 Male Hydraulic Straight Threaded Adaptor G 3/8 Male Steel Yellow Chromated, Zinc Plated 1/4in G Male 3/8in Male G 450 bar +120°C -40°C
RS庫存編號 797-2047
製造零件編號4E6MK4S
BrandParker
TWD566.00
單位
G 1/4 Female Hydraulic Elbow Threaded Adaptor G 1/4 Female Steel Zinc Plated - G Female - Female G 350bar - -
RS庫存編號 871-2287
製造零件編號4-4F42EDMXS
BrandParker
TWD230.00
單位
- Hydraulic Straight Threaded Adaptor BSPP 1/4-19 Male Steel Zinc Chromium 6 - - - - Male BSPP 6000 psi - -
RS庫存編號 914-9505
製造零件編號59729
TWD449.00
單位
- Hydraulic Blanking Plug - Aluminium Black Anodised 1in G - - - - - +100°C -30°C
RS庫存編號 498-340
製造零件編號16PNK4S
BrandParker
TWD277.00
/個 (每包:5個)
單位
- Hydraulic Blanking Plug - Steel Yellow Chromated, Zinc Plated 1in G - - - - 240 bar +120°C -40°C
RS庫存編號 183-6327
製造零件編號12FNMK4S
BrandParker
TWD268.00
/個 (每包:2個)
單位
G 3/4 Hydraulic Blanking Plug - Steel - 3/4in G - - - - 240 bar - -
RS庫存編號 498-198
製造零件編號16H6K4S
BrandParker
TWD546.50
/個 (每包:2個)
單位
G 1 Female Hydraulic Straight Threaded Adaptor G 1 Female Steel Yellow Chromated, Zinc Plated 1in G Female 1in Female G 240 bar +120°C -40°C
RS庫存編號 797-1974
製造零件編號8ENMK4S
BrandParker
TWD711.00
單位
G 1/2 Male Hydraulic Elbow Threaded Adaptor G 1/2 Male Steel Zinc Plated - G Male - Male G 350bar - -
RS庫存編號 727-727
製造零件編號VSTI1/8EDCF
BrandParker
TWD93.40
/個 (每包:5個)
單位
- Hydraulic Blanking Plug - Steel Zinc Plated 1/8in G - - - - 400 bar +100°C -30°C
RS庫存編號 797-1956
製造零件編號8WMK4WL4NMS
BrandParker
TWD386.00
/個 (每包:2個)
單位
G 1/2 Male Hydraulic Straight Threaded Adaptor G 1/2 Male Steel Zinc Plated - G Male - Male G - - -
RS庫存編號 299-0157
製造零件編號19248-8-8
BrandParker
TWD363.00
單位
BSP 1/2 BSP Female Crimped Hose Fitting - Steel Zinc Dichromate Plated 1/2in BSP Female - - - 275 bar +100°C -40°C
RS庫存編號 914-9508
製造零件編號59725
TWD327.00
單位
- Hydraulic Blanking Plug - Aluminium Black Anodised 1/2in G - - - - - +100°C -30°C
RS庫存編號 807-457
製造零件編號RI3/4EDX1/2CF
BrandParker
TWD289.00
/個 (每包:2個)
單位
G 3/4 Male Hydraulic Straight Threaded Reducer G 1/2 Female Steel Zinc Plated 3/4in G Male 1/2in Female G 315 bar +100°C -30°C
RS庫存編號 283-3329
製造零件編號59791
TWD400.00
單位
- Hydraulic Blanking Plug - Aluminium Matte Anodised 1/4in G - - - - - +130°C -30°C