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Hydraulic Rotators & Links
Worm Drives Units & Rotary Manifolds
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Aber Pneumatic Cab Control Units
Key Features
Tipper & PTO Cab Control Unit
Tipper Cab Control Unit (Tip Only)
Support for Hydra Part Cab Control Units
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.
PTO Switch - Panel/Dash Mounted Air Control Valve (Electrical Release)
PTO Switch - Panel/Dash Mounted Air Control Valve (Manual Air Release)
Support for ABER ABCD Cab Control Units
At Approved Hydraulics, you’ll find a fantastic range of cab and tipper controls. From dash-mounted control valves to tipper PTO pumps, we stock a wide selection of high-quality, durable components for fitting to various industrial and commercial vehicles. For more products, check out our full range of PTO equipment
Modern truck cabs deserve the best possible performance, efficiency and longevity when it comes to the perfect tipper PTO pump. At Approved Hydraulics, we offer a superb range of parts from industry-leading manufacturers such as Hydra Part that deliver just that.
With our PTO tipper controls, you’re investing in products that perform reliably, and thanks to premium materials and rigorous testing, they’re incredibly hard-wearing too. Precisely the confidence that you need when working long hours, load after load.
You’ll find a selection of components from our stock for your cab. From dash-mounted PTO switches to complete PTO cab control units and even cab control housing. For additional products, browse the rest of our PTO equipment and standard hydraulic equipment.
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.
