High pressure is usually achieved by creating a power pack or HPU, where a pump generates the pressure. This solution requires a high-pressure system. It is also possible to add an intensifier to a system that was designed for lower pressure, thereby saving energy and space and getting the higher pressure where it is needed.
Whenever Hydraulic intensifiers are used, the full pump flow will initially be supplied to the high pressure side, for example, to move a cylinder rod. As soon as the pump pressure is reached, the intensifier kicks in and increases the pressure in the cylinder.
When operating a clamping cylinder, the intensifier is placed between the directional valve and the cylinder. By integrating check valves in the intensifier, full pump flow can pass directly through the P-port of the intensifier and the T-port to the tank, allowing the cylinder rod to move into position at pump speed. Once the cylinder has been moved into position and pump pressure has been established inside the cylinder, the intensifier automatically raises the pressure to the required end pressure. With the cylinder now filled with oil, the pressure increases rapidly, usually within a few seconds. Pressure will be maintained automatically by the intensifier in this situation. Reversing a cylinder rod The pump pressure is connected to the intensifier T-port and the tank P-port by activating the directional valve on the pump side. When a pilot signal is received, a pilot-operated check valve (dump valve or POV) opens, allowing a direct passage from the cylinder to the intensifier.
Hydraulic intensifiers can work with any kind of fluid, including aggressive fluids such as Skydrol. They cannot be used with gases.
Hydraulic pressure intensifier specifications
There are four parameters to consider when specifying a hydraulic pressure intensifier:
- What is the actual output pressure required in psi?
- What is the inlet flow in gallons per minute?
- How high is the supply pressure?
- How should the intensifier solution be mounted (flange, brackets, pipe clamp, etc.)?
- How will you integrate it into your hydraulic system?
Advantages:
- Water-powered intensifiers are small, easy-to-use devices.
- Water-driven apparatuses can be directly connected to it wherever needed.
- Besides being small, the device is also energy-efficient.
- Due to their simple and practical operation, they are less expensive gadgets. Working here is straightforward, safe, and sparing.
- As a result of its rapid activity, we can easily start and stop it as needed.
- The siphon can be used without much of a stretch, which is why it might be attached between the siphon and the pressure driven apparatus.
- Work and control are not difficult.
- As the siphon can be used without much stretch, it might be attached between the siphon and the pressure driven apparatus.
- There is no difficulty in controlling and working.
- Power and weight are consistent throughout the entire process.
Disadvantages:
- There is an inherent weakness to all pressure driven intensifiers, and that is spillage.
- Occasionally, the pressure driven liquid used may cause damage to out-of-the-box hardware.
- Additionally, spilled liquids can ignite, so it is important to do the job properly and keep a strategic distance from any potential leaks.
- This framework requires a high level of support.
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