{"id":2649,"date":"2024-03-07T14:54:24","date_gmt":"2024-03-07T13:54:24","guid":{"rendered":"https:\/\/www.bf-hydraulik.com\/encyclopedia\/solenoid-valves\/"},"modified":"2026-04-15T10:54:20","modified_gmt":"2026-04-15T08:54:20","slug":"solenoid-valves","status":"publish","type":"encyclopedia","link":"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/","title":{"rendered":"Solenoid Valves"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2649\" class=\"elementor elementor-2649 elementor-921\">\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>Solenoid Valves<\/h1><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">Solenoid valves<\/a> are standard components used in electronically controlled <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, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition to conventional hydraulics, <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">solenoid valves<\/a> are also of great importance in open <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.  <\/p><h2>How a Solenoid Valve Works<\/h2><p>A solenoid valve consists of any <a href=\"https:\/\/www.bf-hydraulik.com\/en\/hydraulic-valve\/\" target=\"_self\" title=\"Hydraulic valve: Universal component in fluid systemsHydraulics is the study of power transmission through fluids. It is based on the fact that fluids are incompressible. Applied pressure is therefore distributed&hellip;\" class=\"encyclopedia\">hydraulic valve<\/a> and an electromagnetic connection. When the electromagnet is closed, a piston pulls the valve spool in a desired direction. The mode of operation can be freely chosen. Practically all valve types can be electromagnetically controlled in this way.   <\/p><p><strong>Typical <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">Solenoid Valves<\/a>:<\/strong><\/p><ul><li>Normally Open Valves<\/li><li>Normally Closed Valves<\/li><li>4\/2-Way Valves<\/li><\/ul><h3>Connecting a Solenoid Valve<\/h3><p>The connection of the solenoid valve depends on its size and the <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> applied. Small, mobile systems can be adequately controlled with 5-12 volts. For large applications, <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">solenoid valves<\/a> requiring a 400-volt power supply may be necessary. <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">Solenoid valves<\/a> are connected using standard plugs.   <\/p><h3>Required Sensor Technology for Solenoid Valves<\/h3><p>Malfunctions in <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">solenoid valves<\/a> are redundantly checked depending on their relevance. A proximity switch can verify whether the piston is truly extended or retracted. This redundancy is indispensable in particularly sensitive areas, such as cooling systems of power plants, etc.  <\/p><h3>Testing Solenoid Valves<\/h3><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">Solenoid valves<\/a> can be tested with a simple ohm measurement. The coil located in the electromagnet must always have a defined resistance; otherwise, a defect is present. A check of <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">solenoid valves<\/a> also always includes an inspection of the contacts. These can quickly be affected by corrosion, especially in water-carrying systems.   <\/p><h3>Areas of Application for Solenoid Valves<\/h3><p><a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">Solenoid valves<\/a> are available in all sizes and designs. Their particular advantage is that the operator does not have to be near 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> to redirect the volume flow in the desired manner. <\/p><p>Typical applications for <a href=\"https:\/\/www.bf-hydraulik.com\/en\/solenoid-valves\/\" target=\"_self\" title=\"Solenoid ValvesSolenoid valves are standard components used in electronically controlled hydraulic systems, ensuring reliable control of hydraulic flows. They operate by switching electromagnetic linear motors on and off. In addition&hellip;\" class=\"encyclopedia\">solenoid valves<\/a>:<\/p><ul><li>Controlled Heating Systems<\/li><li>Electromagnetic Hydraulic Controls<\/li><li>Servo Control<\/li><\/ul>\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\" 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