• ABER QUILL SHAFT ADAPTER KIT FOR VOLVO AT2412C
    Regular price £156.25
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    ABER QUILL SHAFT ADAPTER KIT FOR VOLVO AT2412C

    Key Features

    • Gearbox compatibility: Volvo AT2412C / ATO2412C
    • ABER reference: VK5006 quill shaft kit
    • Approx length: ~225 mm (VK5006 class)
    • Purpose: couples gearbox jackshaft to rear/side PTO
    • Benefit: ensures correct spline engagement & alignment
    • Application: heavy‑duty truck hydraulic drivetrains
    Regular price £156.25
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  • ISO (4 BOLTS) PTO TO OUTPUT SHAFT SAE 1300 ADAPTOR, WITH ONE BEARINGS
    Regular price £148.27
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    ISO (4 BOLTS) PTO TO OUTPUT SHAFT SAE 1300 ADAPTOR, WITH ONE BEARINGS

    Key Features

    • Function: converts ISO 4-bolt PTO output to SAE 1300 flange
    • Support: integrated single bearing for overhung load
    • Output: SAE 1300 drive flange
    • Input: ISO 4-bolt / 8-spline PTO (typical)
    • Use case: drive prop shaft to remote pump or accessory
    • Mounting: bolts directly to PTO pump interface
    Regular price £148.27
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  • PTO ZF S6-90 C.P.(1:1); NO SENSOR
    Regular price £161.77
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    PTO ZF S6-90 C.P.(1:1); NO SENSOR

    Key Features

    • Application: zf s6-90 gearbox pto
    • Actuation: cable ; pneumatic per kit
    • Ratio: 1.1
    • Sensor: no speed sensor
    • Use: truck wet kits ; pumps
    Regular price £161.77
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  • ADMISSION CONNECTOR 1''1/4 PIPE 1''1/2 ELBOW 45º
    Regular price £40.03
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    ADMISSION CONNECTOR 1''1/4 PIPE 1''1/2 ELBOW 45º

    Key Features

    • Connections: 1 1/4" pipe to 1 1/2" elbow
    • Elbow angle: 45°
    • Intended use: pump admission / suction side
    • Design: angled elbow aids routing and reduces inlet losses
    • Application: ABER pump suction fittings
    Regular price £40.03
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  • Adam Hindle

    Sales Director

    I began my engineering career at Stockport College in around 2005, first completing a National Diploma in Electrical Engineering, followed by a Higher National Diploma in Mechanical Engineering. I then progressed to the University of Salford, where I earned a BEng (Hons) degree in Mechanical Engineering.

    After graduating, I started my professional career with Approved Hydraulics. I initially gained a combination of hands-on workshop experience and telephone-based sales experience. In later years, I moved into a full-time sales role and led the new crane and excavator attachments department that the company had recently established.

  • ADMISSION CONNECTOR 3/4" PIPE 1"1/2 STRAIGHT
    Regular price £18.79
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    ADMISSION CONNECTOR 3/4" PIPE 1"1/2 STRAIGHT

    Key Features

    • Connections: 3/4" pipe to 1 1/2" straight
    • Type: straight admission/suction connector
    • Intended use: pump inlet / suction line
    • Design: straight-through for minimal restriction
    • Application: ABER pump spares for mobile hydraulics
    Regular price £18.79
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  • PTO ZF 5S-50 REINFORCED (RATIO 1:1,73)
    Regular price £517.68
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    PTO ZF 5S-50 REINFORCED (RATIO 1:1,73)

    Key Features

    • Application: zf 5s-50 gearbox pto
    • Variant: reinforced housing
    • Ratio: 1.1;73
    • Engagement: clutch control per gearbox option
    • Use: truck wet kits ; hydraulic pumps ; mixers
    Regular price £517.68
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  • ADMISSION CONNECTOR 1'' PIPE 1'' 1/2 ELBOW 90º
    Regular price £34.03
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    ADMISSION CONNECTOR 1'' PIPE 1'' 1/2 ELBOW 90º

    Key Features

    • Connections: 1" pipe to 1 1/2" elbow
    • Elbow angle: 90°
    • Intended use: pump admission / suction side connection
    • Design: tight 90° elbow for compact routing
    • Compatibility: ABER pump suction fittings
    Regular price £34.03
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  • TRIANGULAR GASKET 3 HOLES
    Regular price £2.53
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    TRIANGULAR GASKET 3 HOLES

    Key Features

    • Shape: triangular gasket
    • Holes: 3-hole pattern
    • Function: seals mating faces in hydraulic assemblies
    • Use: ABER pump spares / connectors
    • Service note: replace during maintenance to ensure seal integrity
    Regular price £2.53
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  • ADMISSION CONNECTOR 1" PIPE 2" ELBOW 45º - Approved Hydraulics Limited
    Regular price £42.28
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    ADMISSION CONNECTOR 1" PIPE 2" ELBOW 45º

    Key Features

    • Connections: 1" pipe to 2" elbow
    • Elbow angle: 45°
    • Intended use: pump admission / suction line
    • Design: angled elbow helps minimise inlet pressure drop
    • Compatibility: ABER pump suction fittings
    Regular price £42.28
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    • Order by 3pm for Next Day Delivery
  • ADMISSION CONNECTOR 1"1/4 PIPE 2" ELBOW 45º
    Regular price £41.18
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    ADMISSION CONNECTOR 1"1/4 PIPE 2" ELBOW 45º

    Key Features

    • Connections: 1 1/4" pipe to 2" elbow
    • Elbow angle: 45°
    • Intended use: pump admission / suction line
    • Design: angled elbow aids routing in confined spaces
    • Compatibility: ABER pump suction fittings
    Regular price £41.18
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  • Out of Stock
    ADMISSION CONNECTOR 1 1/2'' PIPE 1 1/2''' ELBOW
    Regular price £36.08
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    ADMISSION CONNECTOR 1 1/2'' PIPE 1 1/2''' ELBOW

    Key Features

    • Connections: 1 1/2" pipe to 1 1/2" elbow
    • Form: elbow connector
    • Intended use: suction/inlet side of hydraulic pumps
    • Design: swept elbow for improved flow routing
    • Compatibility: ABER pump inlets / suction fittings
    Regular price £36.08
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  • Out of Stock
    ADMISSION CONNECTOR 1 1/2'' PIPE 2''' ELBOW>
    Regular price £41.32
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    ADMISSION CONNECTOR 1 1/2'' PIPE 2''' ELBOW>

    Key Features

    • Connections: 1 1/2" pipe to 2" elbow
    • Form: elbow connector (pump admission)
    • Intended use: suction/inlet side of hydraulic pumps
    • Design: smooth internal radius to reduce pressure loss
    • Compatibility: ABER pump inlets / suction fittings
    Regular price £41.32
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  • Out of Stock
    ABER BENT AXIS PISTON PUMP 140cc/rot
    Regular price £1,256.77
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    ABER BENT AXIS PISTON PUMP 140cc/rot

    Key Features

    • Series: BI (bent axis piston, fixed displacement)
    • Displacement: 140 cc/rot
    • Max working pressure: up to 350 bar
    • Performance: high efficiency with very low noise
    • Flow characteristics: continuous, low pulsation
    • Mounting: direct PTO mount (except two‑shaft PTOs without support)
    • Typical applications: tippers, cranes, mobile hydraulics
    Regular price £1,256.77
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  • ABER VARIABLE DISPLACEMENT PUMP 90cc/rot- Right
    Regular price £2,148.06
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    ABER VARIABLE DISPLACEMENT PUMP 90cc/rot- Right

    Key Features

    • Series: VDP (variable displacement axial piston)
    • Displacement: 90 cc/rot
    • Rotation: right-hand
    • Max application pressure: up to 460 bar
    • Flange/shaft options: DIN 5462 / DIN 5480 / SAE C (2- or 4-bolt)
    • Key functions: adaptable pressure, fast reaction, flow reset
    • Design: high efficiency, low noise, compact
    • Use: truck/mobile hydraulic systems
    Regular price £2,148.06
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  • ABER VARIABLE DISPLACEMENT PUMP 120cc/rot- Right
    Regular price £2,496.04
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    ABER VARIABLE DISPLACEMENT PUMP 120cc/rot- Right

    Key Features

    • Series: ABER VDP variable displacement axial piston pump
    • Displacement: 120 cc/rotation
    • Rotation: right‑hand (clockwise at shaft view)
    • Max pressure: up to ~410–460 bar (series dependent)
    • Mounting: direct PTO mount (except two‑shaft PTOs without support)
    • Controls/features: adaptable pressure, fast reaction, flow reset
    • Flange/shaft options: DIN 5462 / DIN 5480 / SAE C (2‑ or 4‑bolt)
    • Use: open‑circuit truck hydraulics (tippers, cranes)
    Regular price £2,496.04
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    • Order by 3pm for Next Day Delivery
  • Out of Stock
    ABER Side Mounted Aluminium Oil Tank (200L)
    Regular price £742.72
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    ABER Side Mounted Aluminium Oil Tank (200L)

    Key Features

    • Capacity: 200 litres
    • Material: aluminium (lightweight, corrosion resistant)
    • Mounting: side-mount with straps/brackets
    • Filtration: filler-breather cap / return filtration options
    • Ports: typical suction 1 1/2" BSP; return 1" BSP
    • Accessories: sight level/temperature gauge options
    • Use: hydraulic reservoir for tipper & truck systems
    Regular price £742.72
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  • On Sale
    1/2" 4 Bank 45L Monoblock Control Valve
    Regular price £106.80
    Regular price £124.76 Sale price Saving 14%
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    1/2" 4 Bank 45L Monoblock Control Valve

    Key Features

    • Valve type: monoblock control valve
    • Flow rating: 45 l/min
    • Banks: 4
    • Ports: 1/2" bspp work ports
    • Operation: lever
    • Use: compact hydraulic circuits
    Regular price £106.80
    Regular price £124.76 Sale price Saving 14%
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Common Calculations FAQs

Calculating force, speed, pressure, power, and efficiency in hydraulic applications.

How do you calculate actuator speed?

Actuator speed is determined by flow rate and cross-sectional area:

Speed = Flow rate ÷ Area

Flow rate is the volume of fluid delivered (in L/min or GPM).

Area is the cross-sectional area of the actuator piston: π × (diameter ÷ 2)².

How do you calculate cylinder force?

Cylinder force can be calculated using:

Force = Pressure × Area

Pressure is the system pressure (in psi or bar).

Area is the cross-sectional area of the cylinder bore (in square inches or square centimeters).

Area = π × (bore diameter ÷ 2)².

How do you calculate pressure drop across a valve?

Pressure drop can be calculated using the valve flow coefficient (Cv):

Pressure Drop (ΔP) = (Flow Rate)² ÷ (Cv² × Fluid Density)

Flow Rate is the fluid flow (in GPM or L/min).

Cv is the valve flow coefficient.

Fluid Density is the density of the hydraulic fluid.

How do you size an accumulator?

Accumulator sizing considers required flow, pressure, and pre-charge:

Accumulator Volume = Flow Rate × Time ÷ Pressure

This determines how much fluid must be stored to maintain system pressure.

How to convert psi to bar?

Use the conversion factor: 1 bar = 14.5 psi.

To convert psi to bar, divide psi by 14.5.

Example: 200 psi ÷ 14.5 = 13.79 bar.

What is pre-charge pressure in an accumulator?

Pre-charge pressure is the initial gas pressure in the accumulator before fluid enters.

It helps maintain system pressure as the accumulator discharges.

Typically set to 70–80% of system operating pressure.

What is specific gravity of hydraulic fluid?

Specific gravity is the ratio of hydraulic fluid density to water.

A value of 1 means equal density.

Less than 1 means the fluid floats; greater than 1 means it sinks.

What is torque in a hydraulic motor?

Torque is the rotational force produced based on system pressure and motor displacement:

Torque = Pressure × Displacement ÷ 2π

Pressure is the operating system pressure.

Displacement is the volume displaced per revolution (in cubic inches or cubic centimeters).

What unit is hydraulic power measured in?

Hydraulic power is measured in horsepower (HP) or kilowatts (kW).

Hydraulic horsepower can be calculated using:

HP = (Pressure (psi) × Flow rate (GPM)) ÷ 1714.

What’s the relationship between pump speed and flow?

Flow rate is directly proportional to pump speed.

If pump speed doubles, flow rate doubles (assuming constant displacement).

This is important when adjusting flow or selecting a pump for varying speeds.