• Baltrotors CPR 14 Rotator - Approved Hydraulics

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    CPR 14 Rotator

    Key Features

    • Type: rigid industrial rotator (CPR series piston motor)
    • Capacity class: 14 t nominal application class
    • Rotation: continuous hydraulic rotation
    • Interface: flat body for rigid mounting
    • Use: poly-grapples; sorting grabs and high torque tools

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  • Baltrotors CPR 14-01 Rotator - Approved Hydraulics

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    CPR 14-01 Rotator

    Key Features

    • Type: rigid industrial rotator variant (-01)
    • Capacity class: 14 t nominal application class
    • Ports: hose outlets in -01 configuration (series standard)
    • Rotation: continuous; axial boxer-type piston motor
    • Use: heavy duty industrial grapples

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  • Baltrotors CPR 15 Rotator - Approved Hydraulics

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    CPR 15 Rotator

    Key Features

    • Type: rigid industrial rotator (CPR15 family)
    • Torque at 25 MPa: ~4500 Nm (manufacturer data)
    • Recommended oil flow: ~35 l/min
    • Operating machine: up to ~21 t rigid mount; ~29 t link mount
    • Use: high capacity sorting; demolition and industrial tools

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  • Baltrotors CPR 15-01 Rotator - Approved Hydraulics

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    CPR 15-01 Rotator

    Key Features

    • Type: rigid industrial rotator variant with side hose outlets
    • Torque at 25 MPa: ~4500 Nm (CPR15 family)
    • Recommended oil flow: ~35 l/min
    • Mounting: flat body for rigid or link mounting
    • Use: heavy industrial grapples requiring high torque

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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.

  • Baltrotors CPR 15-03 Rotator - Approved Hydraulics

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    CPR 15-03 Rotator

    Key Features

    • Type: rigid industrial rotator (CPR15-03)
    • Hydraulic ports: inlet from top; outlet side or bottom
    • Max axial load static: ~150 kN class
    • Torque at 25 MPa: ~4500 Nm; max ~40 kNm lock
    • Recommended oil flow: ~35 l/min

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  • Baltrotors CPR 5 Rotator - Approved Hydraulics

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    CPR 5 Rotator

    Key Features

    • Type: rigid industrial rotator
    • Capacity: 5 tonne class
    • Ports: hose outlets through the side
    • Design: compact radial piston motor with high positioning accuracy
    • Use: poly-grapples; sorting grabs and tools

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    Baltrotors CPR 5-01 Rotator - Approved Hydraulics

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    CPR 5-01 Rotator

    Key Features

    • Type: rigid industrial rotator variant
    • Design: compact body for flat mounting
    • Use: industrial grapples; sorting grabs
    • Note: -01 variant configuration per Baltrotors spec
    • Support: data sheet available from manufacturer

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  • Baltrotors CPR 8 Rotator - Approved Hydraulics

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    CPR 8 Rotator

    Key Features

    • Type: rigid industrial rotator
    • Capacity: 8 tonne class
    • Ports: grapple connections through the base
    • Design: axial boxer-type piston motor for high torque
    • Use: poly-grapples; sorting grabs; high capacity tools

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  • Baltrotors CPR 8-01 Rotator - Approved Hydraulics

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    CPR 8-01 Rotator

    Key Features

    • Type: rigid industrial rotator variant
    • Capacity: 8 tonne class
    • Ports: grapple connections through the side
    • Use: applications needing side-port plumbing
    • Support: data sheet available from manufacturer

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  • Baltrotors CPR 9 Rotator - Approved Hydraulics

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    CPR 9 Rotator

    Key Features

    • Type: rigid industrial rotator
    • Capacity: 9 tonne class
    • Ports: grapple connections through the base
    • Performance: torque around 3000 Nm at 25 MPa (manufacturer data)
    • Use: heavy-duty sorting and demolition grapples

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  • Baltrotors CPR 9-01 Rotator - Approved Hydraulics

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    CPR 9-01 Rotator

    Key Features

    • Type: rigid industrial rotator variant
    • Capacity: 9 tonne class
    • Ports: variant with side-port hose connections
    • Performance: 30 rpm max rotation; relief valves fitted (series)
    • Use: rigid mount industrial grapples

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  • CPR/15 adaptor plate - Approved Hydraulics Limited
    Regular price £158.76
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    CPR/15 adaptor plate

    Key Features

    • Type: adaptor plate for CPR15 family
    • Pattern: CPR15 bolt and pilot geometry
    • Material: precision machined steel
    • Use: rigid mounting to industrial grapples
    • Service: check gasket/O-ring groove and surface finish
    Regular price £158.76
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  • Out of Stock
    CPR8 3/4" Base Adaptor Plate - Approved Hydraulics Limited
    Regular price £150.06
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    CPR8 3/4" Base Adaptor Plate

    Key Features

    • Type: base adaptor plate for CPR8 with 3/4" porting
    • Function: mates rotator to grapple/tool frame
    • Material: machined steel with locating pilot
    • Pattern: CPR8 bolt circle
    • Note: verify gasket and fastener torque
    Regular price £150.06
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  • CPR9-04ST Adaptor Plate - Approved Hydraulics Limited
    Regular price £150.06
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    CPR9-04ST Adaptor Plate

    Key Features

    • Type: adaptor plate for CPR9-04ST rotators
    • Pattern: CPR9 bolt circle and pilot register
    • Use: mounts flat-body CPR rotator to grapple frame
    • Material: machined steel with countersunk/through holes
    • Note: verify fastener grade and torque
    Regular price £150.06
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  • CR/CRE Hydraulic Shear - Approved Hydraulics Limited

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    CR/CRE Hydraulic Shear

    Key Features

    • Frame: Robust Hardox 450 / Strenx 700 structure
    • 360° rotation: Continuous hydraulic rotation (reinforced motor)
    • Rotation control: Adjustable rotation speed
    • Blades: Reversible cutting blades for longer service life
    • aw guidance: Double-guide mobile jaw for stable alignment
    • Wear protection: Anti-wear plate on the fixed jaw front
    • Speed valve: Faster working cycles / improved productivity

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  • CRR20 Rail Cutters (Used & Refurbished) - Approved Hydraulics Limited

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    CRR20 Rail Cutters (Used & Refurbished)

    Key Features

    • Application: cutting european rail ; tram tracks
    • Rotation: 360° continuous hydraulic
    • Frame: strenx 700; mobile jaw hytaf
    • Blades: reversible ; turnable
    • Operating pressure: ≈260 bar typical
    • Carrier: 20-35 t excavators

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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £38.29
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    Cylinder Seal kit 30-70/80 standard

    Key Features

    • Compatibility: Hydra Part standard double acting cylinders ; bores 30 ; 40 ; 50 ; 60/70 ; 80 mm
    • Intended use: routine reseal kit for compact and mid size standard cylinders
    • Typical kit contents: dynamic piston and rod seals ; wiper and static sealing elements typical for rebuild
    • Applications: compact machinery ; auxiliary rams ; attachments
    • Fitment check: verify bore and rod combo to select the correct sub option within the range
    • Service note: install with clean fluid and avoid sharp edges to protect sealing lips
    Regular price £38.29
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £27.20
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    Cylinder Seal kit 35-60/70 standard

    Key Features

    • Compatibility: Hydra Part standard cylinders ; bores 35 ; 40 ; 50 ; 60/70 mm
    • Intended use: reseal kit to address external leaks ; internal bypass and poor cylinder holding
    • Typical kit contents: piston seal ; rod seal ; wiper ; static seals as typically included in kits
    • Applications: light plant ; agricultural implements ; compact handling equipment
    • Sizing note: measure bore and rod to ensure correct option under the 35 ; 60/70 set
    • Install tip: use appropriate assembly sleeves to avoid cutting PTFE or elastomer lips
    Regular price £27.20
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £39.05
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    Cylinder Seal kit 40-80/90 series 205/305/405/505/593/612/632/642/651

    Key Features

    • Compatibility: Hydra Part cylinder series 205 ; 305 ; 405 ; 505 ; 593 ; 612 ; 632 ; 642 ; 651
    • Bore sizes: 40 ; 50 ; 63 ; 70 ; 80/90 mm
    • Intended use: service kit for resealing listed series cylinders to prevent leakage and drift
    • Typical kit contents: rod seal ; piston seal ; wiper ; backup rings and o rings as required
    • Applications: mobile hydraulic cylinders across ag ; municipal and light construction machinery
    • Selection note: match series and bore markings to ensure compatibility across the variant list
    Regular price £39.05
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £45.41
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    Cylinder Seal kit 45-80/90 standard

    Key Features

    • Compatibility: Hydra Part standard double acting cylinders ; bores 45 ; 80/90 mm
    • Intended use: rebuild and reseal standard cylinders to restore pressure integrity and stop external leakage
    • Typical kit contents: piston ; rod ; buffer and wiper seals plus associated o rings for cylinder service
    • Applications: general mobile hydraulics ; loaders ; attachments ; ag and industrial equipment
    • Maintenance note: verify bore ; rod ; and series before ordering to match correct seal sizes
    • Fluid compatibility: formulated for use with mineral hydraulic oils common to mobile machinery
    Regular price £45.41
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £48.35
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    Cylinder Seal kit 50-90/100 series 206/306/406/506

    Key Features

    • Compatibility: Hydra Part cylinder series 206 ; 306 ; 406 ; 506
    • Bore sizes: 50 ; 63 ; 70 ; 80/90 ; 100 mm range
    • Intended use: resealing of medium bore cylinders in the specified series to recover performance
    • Typical kit contents: piston ; rod ; wiper and related static seals typical to cylinder service kits
    • Applications: suitable for rams on trailers ; loaders ; compact equipment within these series
    • Fitment check: use the series code stamped on the cylinder to select the correct kit
    Regular price £48.35
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £23.96
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    Cylinder Seal kit 20-32/40 series 200/300/400/500

    Key Features

    • Compatibility: Hydra Part cylinder series 200 ; 300 ; 400 ; 500
    • Bore sizes: 20 ; 25 ; 30/32 ; 40 mm
    • Intended use: reseal kit for small bore standard cylinders used on compact equipment
    • Typical kit contents: piston ; rod ; wiper seals and static rings typically supplied for rebuild
    • Applications: small actuators on trailers ; clamps ; light duty machinery
    • Selection note: use bore size and series number to choose correct kit option
    Regular price £23.96
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £19.68
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    Cylinder Seal kit 25-40/50 series 201/301/401/501

    Key Features

    • Compatibility: Hydra Part cylinder series 201 ; 301 ; 401 ; 501
    • Bore sizes: 25 ; 30 ; 35 ; 40/50 mm options in one kit family
    • Intended use: reseal of small bore cylinders within listed series to restore function
    • Typical kit contents: piston ; rod ; wiper seals with static o rings used in cylinder rebuilds
    • Applications: compact hydraulic rams on implements ; compact plant ; attachments
    • Selection note: match cylinder series and bore at time of order to ensure fit
    Regular price £19.68
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  • Cylinder Seal Kit for Intermercato TG 12, 16, 19, 16 PRO, 16 EG - Approved Hydraulics Limited
    Regular price £26.36
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    Cylinder Seal kit 30-60/70 series 203/303/403/503

    Key Features

    • Compatibility: Hydra Part cylinder series 203 ; 303 ; 403 ; 503
    • Bore sizes: 30 ; 40 ; 50 ; 60/70 mm range options
    • Intended use: complete reseal kit for the listed cylinder families
    • Typical kit contents: seals for piston ; rod ; and wiper plus static rings as used in cylinder rebuild
    • Applications: compact loaders ; attachments ; light industrial rams within these series
    • Selection note: confirm series and bore from cylinder ID to match the correct kit option
    Regular price £26.36
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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.