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About
HP-20C type Group 2 Pump Seal Kit
Key Features
45L & 50L Control Valve Lever Box (Without Lever) (G)
Aluminum Flange For Mounting kit for frame 90 B14 AC motor
2 Way High Pressure Ball Valves
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.
63mm Glycerine Hydraulic Pressure Gauge 0-6000 Psi (400 Bar) 1/4" Rear Entry
63mm Glycerine Hydraulic Pressure Gauge 0-2300 Psi (160 Bar) 1/4" Rear Entry
63mm Glycerine Hydraulic Pressure Gauge 0-1400 Psi (100 Bar) 1/4" Rear Entry
1" Port, 90°, 3 Hole, 51mm PCD, Female Gear Pump Adaptors
4L Plastic Hydraulic Tank 123mm (AC) Neck Flange
Cylinder Seal kit 25-40/50 series 201/301/401/501
45L & 50L Control Valve Protection Cap SLCZ (When Lever Assy Removed) (G-S)
45L Monobloc Valve Double Acting Spool Type 1 (G)
80L TIE ROD KIT (4 Rods / kit) 6 Bank M8x1.25 339mm long
80L TIE ROD KIT (4 Rods / kit) 5 Bank M8x1.25 298mm long
90L Monobloc Valve 3/4" High Pressure Carry Over Plug
50L TIE ROD KIT (3 Rods / kit) 7 Bank M8x1.25 356 mm long
63mm Glycerine Hydraulic Pressure Gauge 0-9000 Psi (600 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-3500 Psi (250 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-2300 Psi (160 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-1400 Psi (100 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-1000 Psi (70 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-580 Psi (40 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-170 Psi (12 Bar) 1/4" Bottom Entry
63mm Glycerine Hydraulic Pressure Gauge 0-100 Psi (7 Bar) 1/4" Bottom Entry
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.
