• flat Washer M16 - Approved Hydraulics Limited
    Regular price £0.42
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    flat Washer M16

    Key Features

    • Part number: FEMUNI6592
    • Fastener size: M16
    • Washer type: Flat washer for load distribution
    • Function: Spreads clamp load and protects mating surfaces
    • Typical use: FEMAC flail and attachment assembly hardware
    • Installation: Used under bolt head or nut with M16 threaded fasteners
    Regular price £0.42
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  • Flow control cartridge
    Regular price £341.60
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    Flow control cartridge

    Key Features

    • Type: adjustable needle flow control
    • Cavity: sae 08 ; 3/4-16 unf
    • Function: meter in ; meter out flow tuning
    • Pressure rating: up to 315 ; 350 bar class
    • Use: mini power pack manifolds ; mobile equipment
    Regular price £341.60
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  • Hydra Part FLOW DIVIDER/COMBINER 1/2" in 3/8" Inlet Capy. 24-38 LPM - Approved Hydraulics
    Regular price £128.88
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    FLOW DIVIDER/COMBINER 50/50 1/2" in 3/8"out Inlet Capy. 24-38 LPM

    Key Features

    • Function: 50 ; 50 flow divider ; combiner
    • Porting: 1/2" bsp in ; 3/8" bsp out
    • Flow range: 24-38 lpm
    • Accuracy: maintains equal flows within typical tolerance
    • Use: synchronise two actuators ; recombine return flow
    • Mounting: in line
    Regular price £128.88
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  • Out of Stock
    Hydra Part FLOW DIVIDER/COMBINER 0 In line 3/8" BSP in/out 13-23 lpm - Approved Hydraulics
    Regular price £128.88
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    FLOW DIVIDER/COMBINER 50/50 In line 3/8" BSP In/Out - 24-38 LPM

    Key Features

    • Type: flow divider combiner valve
    • Ports: 3/8" bsp
    • Range: 24 to 38 lpm
    • Function: splits inlet into controlled flows and recombines in reverse
    • Use: share pump flow ; synchronize circuits
    Regular price £128.88
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  • Team Member

    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.

  • Hydra Part FLOW DIVIDER/COMBINER IN LINE 3/8" BSP In + OUT 6,5-12 lpm - Approved Hydraulics
    Regular price £165.29
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    FLOW DIVIDER/COMBINER 50/50 In line 3/8" BSP In/Out - 6,5-12 LPM

    Key Features

    • Function: 50 ; 50 flow divider ; combiner
    • Porting: 3/8" bsp
    • Flow range: 6;5-12 lpm
    • Accuracy: maintains equal flows within typical tolerance
    • Use: synchronise two actuators ; recombine return flow
    • Mounting: in line
    Regular price £165.29
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    • Order by 3pm for Next Day Delivery
  • Out of Stock
    Hydra Part FLOW DIVIDER/COMBINER 0 In line 3/8" BSP in/out 13-23 lpm - Approved Hydraulics
    Regular price £170.94
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    • Delivery to UK & Ireland

    FLOW DIVIDER/COMBINER 50/50 In line 3/8" BSP in/out 13-23 lpm

    Key Features

    • Function: 50 ; 50 flow divider ; combiner
    • Porting: 3/8" bsp
    • Flow range: 13-23 lpm
    • Accuracy: maintains equal flows within typical tolerance
    • Use: synchronise two actuators ; recombine return flow
    • Mounting: in line
    Regular price £170.94
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    • Delivery to UK & Ireland
    • Order by 3pm for Next Day Delivery
  • Hydra Part Flow Regulator Valves with Check (Uni-directional) - Approved Hydraulics
    Regular price From £40.56
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    Flow Regulator Valves with Check (Uni-directional)

    Key Features

    • Type: uni directional flow regulator with check
    • Function: meter in one direction ; free flow via check in reverse
    • Ports: bsp sizes
    • Typical sizes: 1/4" ; 3/8" ; 1/2"
    • Use: control actuation speed in one direction
    Regular price From £40.56
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  • Hydra Part Flow Regulator Valves with Needle Shut Off - Approved Hydraulics
    Regular price From £34.22
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    Flow Regulator Valves with Needle Shut Off

    Key Features

    • Type: bi directional flow regulator with needle shut off
    • Function: adjust flow ; fully close with needle
    • Ports: bsp sizes
    • Typical sizes: 1/4" ; 3/8" ; 1/2"
    • Use: meter actuator speed both directions
    Regular price From £34.22
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  • Out of Stock
    Hydra Part Fuel Nozzle (Gravity Fed) 1"BSP Fitting - Approved Hydraulics
    Regular price £102.06
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    Fuel Nozzle (Gravity Fed) 1"BSP Fitting

    Key Features

    • Type: fuel dispensing nozzle
    • Mode: gravity fed
    • Connection: 1" bsp fitting
    • Use: diesel ; heating oil ; kerosene per nozzle spec
    • Notes: choose nozzle to match flow source ; pump or gravity
    Regular price £102.06
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  • Gasket - TF3010V - JUNTA ISUZU MZZ - Approved Hydraulics Limited
    Regular price £6.38
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    Gasket - TF3010V - JUNTA ISUZU MZZ

    Key Features

    • Compatibility: ABER TF3010V PTO (Isuzu MZZ-6F/6R/6S; MOZ-53)
    • Variant: TF3010V corresponds to vacuum-control version
    • Function: PTO-to-gearbox sealing gasket
    • Purpose: prevents oil leakage and maintains system pressure
    • Service note: replace on every PTO install or service
    • ABER reference: CCJUN23 (gasket code)
    Regular price £6.38
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  • Gasket - TF4026P - JUNTA ZF S5-42 (esp0,3mm
    Regular price £4.12
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    Gasket - TF4026P - JUNTA ZF S5-42 (esp0,3mm

    Key Features

    • Gasket thickness: 0.3 mm
    • Compatibility: ABER TF4026P PTO for ZF S5‑42
    • ABER reference: CCJUN09
    • Function: seals PTO‑to‑gearbox mounting face
    • Maintenance: replace during installation/service
    Regular price £4.12
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  • GASKET - TF4026P - JUNTA ZF S5-42 (esp0,5mm) - Approved Hydraulics Limited
    Regular price £2.62
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    GASKET - TF4026P - JUNTA ZF S5-42 (esp0,5mm)

    Key Features

    • Gasket thickness: 0.5 mm
    • Compatibility: ABER TF4026P PTO for ZF S5‑42
    • ABER reference: CCJUN27
    • Function: seals PTO‑to‑gearbox mounting face
    • Maintenance: replace whenever PTO is refitted
    Regular price £2.62
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  • GASKET FOR VK4029 QUILL SHAFT ADAPTOR
    Regular price £11.34
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    GASKET FOR VK4029 QUILL SHAFT ADAPTOR

    Key Features

    • Compatibility: ABER VK4029 TraXon quill adaptor
    • Role: sealing gasket for adaptor mounting
    • Prevents: oil leakage at PTO adaptor interface
    • Service: replace at each adaptor removal
    • Material: oil-resistant gasket composite
    Regular price £11.34
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  • GASKET MOUNT KIT - TF4201 - Approved Hydraulics Limited
    Regular price £118.49
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    GASKET MOUNT KIT - TF4201

    Key Features

    • Compatibility: ABER TF4201 twin‑output ZF PTO
    • Function: sealing kit for PTO mounting (leak‑free install)
    • Use case: replace gasket on every PTO install/service
    • Benefit: maintains oil retention & correct clamp load
    • Contents: gasket/mounting seals sized to TF4201 pattern
    Regular price £118.49
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    • Order by 3pm for Next Day Delivery
  • GASKET ZF (0,5MM) - 4 BOLT - Approved Hydraulics Limited
    Regular price £1.43
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    GASKET ZF (0,5MM) - 4 BOLT

    Key Features

    • Type: ZF PTO / pump interface gasket
    • Thickness: 0.5 mm
    • Pattern: 4-bolt mounting
    • Function: seals gearbox-to-PTO or PTO-to-pump interface
    • Service note: replace whenever PTO/pump is removed
    • Benefit: prevents oil leakage and maintains system integrity
    Regular price £1.43
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    • Delivery to UK & Ireland
    • Order by 3pm for Next Day Delivery
  • Gear joint
    Regular price £29.32
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    Gear joint

    Key Features

    • Function: couples flail rotor to drive motor
    • Style: gear-type flexible coupling
    • Alignment: tolerates small misalignment ; dampens shock
    • Sizing: select by torque ; bore ; keyway
    • Service: spare element for flail head driveline
    Regular price £29.32
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    • Delivery to UK & Ireland
    • Order by 3pm for Next Day Delivery
  • Bakker GEJO 00 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 00 Container Discharge Unit

    Key Features

    • System: mushroom discharge principle device
    • Operation: electro-hydraulic hook grab
    • Application: above-ground/underground waste containers
    • Design: robust frame engineered by Gusella-Bakker GEJO
    • Controls: 24 V electrical controls (range standard)

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 05 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 05 Container Discharge Unit

    Key Features

    • System: mushroom discharge principle device
    • Operation: electro-hydraulic hook grab
    • Application: above-ground/underground waste containers
    • Controls: 24 V electrical controls (range standard)
    • Use: municipal container discharge

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 08 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 08 Container Discharge Unit

    Key Features

    • Application: emptying above-ground IGLO waste containers with two lugs
    • Operation: electrically operated hook grab
    • Controls: 24 V electrical controls (excl. crane mounting)
    • Use: municipal container discharge operations
    • Certification: hoist certificate supplied (series standard)

    POA

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    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 10 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 10 Container Discharge Unit

    Key Features

    • Application: emptying above-ground and underground containers
    • Operation: electrically operated
    • Hook width: fixed 250 mm between hooks
    • Controls: 24 V electrical controls (excl. crane mounting)
    • Certification: hoist certificate supplied

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 100 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 100 Container Discharge Unit

    Key Features

    • Design: for small and round containers
    • Rotation: up to 270° to fully empty contents
    • Application: municipal and industrial waste sites
    • Operation: electro-hydraulic actuation
    • Certification: supplied with hoist certificate (range standard)

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 150 Container Discharge Unit - Approved Hydraulics

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    GEJO 150 Container Discharge Unit

    Key Features

    • Design: for square container emptying
    • End pieces: supplied as standard for product holding/processing
    • Operation: electro-hydraulic actuation
    • Application: square waste containers and special handling
    • Use: reliable container discharge with robust hooks

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 18 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 18 Container Discharge Unit

    Key Features

    • Application: emptying above-ground and underground containers
    • Operation: electro-hydraulic controls
    • Hook width: set 250 mm between hooks
    • Certification: hoist certificate supplied (range standard)
    • Use: municipal waste collection cranes

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice
  • Bakker GEJO 20 Container Discharge Unit - Approved Hydraulics

    POA

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    GEJO 20 Container Discharge Unit

    Key Features

    • Operation: electrically operated
    • Adjustment: 4 hydraulic cylinders adjust width 250–400 mm
    • Benefit: container always centred under crane lifting point
    • Controls: 24 V electrical controls
    • Certification: hoist certificate supplied

    POA

    • Large UK Stock
    • 1 Year Limited Manufacturers Warranty
    • Bespoke Technical Advice

All for Professional Hydraulic Applications

Discover quality all from Approved Hydraulics, trusted by professionals across construction, transport, forestry, agriculture and industrial sectors. Built for demanding working environments, our range offers dependable performance, durable construction and trusted reliability. Whether you are replacing existing parts or specifying components for a new build, our experienced team can help you find the right product. With fast UK delivery and expert technical support, Approved Hydraulics supplies hydraulic equipment you can rely on.

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.