{"id":2884,"date":"2024-03-07T09:21:14","date_gmt":"2024-03-07T08:21:14","guid":{"rendered":"https:\/\/www.bf-hydraulik.com\/encyclopedia\/hydraulic-system\/"},"modified":"2026-04-15T11:54:05","modified_gmt":"2026-04-15T09:54:05","slug":"hydraulic-system","status":"publish","type":"encyclopedia","link":"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/","title":{"rendered":"Hydraulic system"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2884\" class=\"elementor elementor-2884 elementor-600\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-735b55f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"735b55f8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2820cb8b\" data-id=\"2820cb8b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9fb9997 elementor-widget elementor-widget-text-editor\" data-id=\"9fb9997\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1>Hydraulic system: design &amp; applications explained simply<\/h1><p>A <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle is simple, but it requires particularly high-quality materials. If correctly designed and well maintained, a <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> can operate reliably for many years.   <\/p><h2>The hydraulic principle is also used in hydraulic systems<\/h2><p>The hydraulic principle is based on the law of nature that liquids are not compressible. This means that applied pressure is transmitted to any point within the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> with virtually no loss. This can be used to generate large forces.  <\/p><p>The simplest <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> consists of two <a href=\"https:\/\/www.bf-hydraulik.com\/hydraulikzylinder.html\">hydraulic cylinders<\/a> connected by an oil line. When a piston moves into its cylinder, the piston in the connected cylinder moves out&mdash;and vice versa. If both pistons have the same effective area, the force, speed and travel of the extending and retracting piston are the same. It becomes interesting when the cross-sections of the effective areas of the two pistons differ. The change in force and speed is proportional to the size ratio of the effective areas. This is why the smaller piston can be retracted with little force, while the large piston extends with a much greater force, as in a car jack, for example.     <\/p><h3>The components of a hydraulic system<\/h3><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">Hydraulic system<\/a>s consist of at least the following components:<\/p><ul><li>Pressure source or pump<\/li><li>Closed piping system<\/li><li>Tank<\/li><li>Actuator<\/li><\/ul><p>Actuators are the modules that are moved by <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-pressure\/\" target=\"_self\" title=\"Hydraulic Pressure ExplainedPressure is generally a force acting on a surface. Hydraulic pressure is accordingly a force transmitted through a fluid that acts on the internal walls of a hydraulic&hellip;\" class=\"encyclopedia\">hydraulic pressure<\/a>. A distinction is made between linear and radial motors. <\/p><p>Depending on the size and range of tasks the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> is intended to perform, the number of its components increases. Additional components may therefore include the following: <\/p><ul><li>Valves<\/li><li>Sensors<\/li><li>Cooler<\/li><li>Filter<\/li><\/ul><p>Valves control the volumetric flow in the lines. Sensors monitor the condition of the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a>. Coolers protect the oil from overheating. Filters retain suspended particles and thus prevent internal damage to the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a>.   <\/p><h3>Applications of a hydraulic system<\/h3><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">Hydraulic system<\/a>s are used wherever high forces need to be applied flexibly, in a targeted manner, and with minimal effort. Competing systems include levers, block and tackle systems, electromagnetic actuators, or pneumatic systems. Disadvantages of a <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> are the high cost of its components, the high maintenance requirements, and severe contamination in the event of a leak. In addition, <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a>s operate very slowly. However, they also offer major advantages. Thanks to the flexible arrangement of their components and lines, they can be used in a particularly versatile manner. Using hoses instead of rigid lines also makes the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> capable of motion. This is especially evident in mobile equipment such as excavators, forklifts, or loaders. Above a certain force requirement, the <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-system\/\" target=\"_self\" title=\"Hydraulic system: design &amp; applications explained simplyA hydraulic system is used to apply large forces in a targeted manner over a defined distance with minimal effort. The underlying hydraulic principle&hellip;\" class=\"encyclopedia\">hydraulic system<\/a> is the only way to meet that demand. This makes this technology an indispensable part of engineering in the future as well.         <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-17578f6\" data-id=\"17578f6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-18d5d30 elementor-widget elementor-widget-sidebar\" data-id=\"18d5d30\" data-element_type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"display:none;\">Search<\/div><form role=\"search\" method=\"get\" class=\"encyclopedia search-form\" action=\"https:\/\/www.bf-hydraulik.com\/en\/encyclopedia\/\">\n    \n    \n    <label class=\"screen-reader-text\" for=\"encyclopedia-search-term\">Search<\/label>\n    <input type=\"text\" 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