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    What is Hydraulic Hand Pump?

    One of the main components of any hydraulic drive system is the hydraulic pump. Without some sort of hydraulic pump, the fluid in a hydraulic system would just sit there. The pump is the component that converts mechanical energy into hydraulic pressure, which in turn moves the fluid to create force in the cylinder.

    What is a hydraulic hand pump?Hydraulic hand pump

    A hydraulic hand pump uses human power as an input to generate a combination of pressure and flow, which then produces hydraulic energy. Based on the simple principle of a handle providing leverage to an internal piston, hydraulic fluid is delivered directly under manually applied pressure. The piston then forces the hydraulic fluid into the cylinder port. Water and hydraulic fluid are the most common fluids, but a variety of pressure media can be used.

    The hydraulic pressure generated can be used to provide pressure for testing, adjusting and calibrating different types of measuring instruments or tools. Hydraulic hand pumps are commonly used to load and test mechanical components, especially when the user needs fine adjustments. They are also used in material handling machinery to lift and lower heavy objects, which also requires fine control of the movement of the items.

    Features of hydraulic hand pump

    1. It is suitable for flammable and explosive places, and no sparks are generated during the operation;
    2. It has two-stage pressure output of high and low pressure, which can automatically change and speed up the rescue time;
    3. Hydraulic hand pump can be connected to any hydraulic tool;
    4. The hydraulic hand pump has wide range of use;
    5. Using aviation hydraulic oil, it can work under the ambient temperature of -30°C ~ 55°C;
    6. The hydraulic hand pump operate without noise.

    Types of hydraulic hand pumps

    There are two types of hydraulic hand pumps available:

    • Single-acting hydraulic hand pump
    • Double-acting hydraulic hand pumps

    Single-acting hand pumps apply force only on the downstroke, while double-acting hand pumps apply force on both the downstroke and upstroke. For speed, a double-acting hand pump is the better choice. Not everyone thinks these are the better choice because they are more complicated to maintain and repair if there is a problem. Single-acting hand pumps are simpler and easier to maintain, but they take twice as long to produce the same amount of pressure and movement as double-acting hand pumps.

    Single-action pumps are commonly used in hydraulic jacks. Double-acting hand pumps are used in a much wider range of applications. They are used in some aircraft hydraulic systems as a source of hydraulic power in emergencies, to test certain subsystems during preventive maintenance checks, and also to determine the cause of hydraulic system failures. Both types of pumps are designed to reduce operational risk, but double-acting hand pumps are more commonly used to improve safety and minimize downtime.

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