{"id":71,"date":"2022-08-25T14:50:54","date_gmt":"2022-08-25T14:50:54","guid":{"rendered":"https:\/\/shriank.com\/blog\/?p=71"},"modified":"2023-02-18T08:43:24","modified_gmt":"2023-02-18T08:43:24","slug":"proportional-valves-functions-and-applications","status":"publish","type":"post","link":"https:\/\/shriank.com\/blog\/proportional-valves-functions-and-applications\/","title":{"rendered":"Proportional valves: Functions and Applications"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Proportional control valves are devices that control and vary the fluid flow, pressure and direction in hydraulic systems. When the electrical input changes, these valves enable changing the output accordingly. They have a closed loop system and are controlled by electrical inputs from the sensor. They are also used as direction control valves or pressure control valves.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Working Principle:<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">When an external signal passes through a device, the electrical currents are passed to the valve drive and ultimately to the spool, which shifts and creates a path. The coils in the valve carry varying voltages and create a proportional force that in turn leads to a shift in the spool.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The function of proportional valves is to provide a smooth and continuous variation in flow or pressure in response to an electrical input, thus being termed high-performance valves. They quickly achieve stable pressures through accurate and precise responses.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-73 size-medium aligncenter\" src=\"https:\/\/shriank.com\/blog\/wp-content\/uploads\/2022\/08\/proportional-solenoid-valve-functional-principle-en-300x285.png\" alt=\"Functional Principle of Proportional Valves\" width=\"300\" height=\"285\" srcset=\"https:\/\/shriank.com\/blog\/wp-content\/uploads\/2022\/08\/proportional-solenoid-valve-functional-principle-en-300x285.png 300w, https:\/\/shriank.com\/blog\/wp-content\/uploads\/2022\/08\/proportional-solenoid-valve-functional-principle-en.png 550w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: right;\"><a href=\"https:\/\/tameson.com\/proportional-solenoid-control-valve.html\">Source<\/a><\/p>\n<h2><span style=\"font-weight: 400;\">Applications:<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Proportional valves have varied uses-<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Basic machinery processes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hydro-pneumatic systems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tensioning, spraying<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Analytical instrumentation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spot welding, tire balancing, PET blowing<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Press systems, molding machines<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flight simulators, airframe testing, etc.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h4><b>\u00a0<\/b><\/h4>\n<h2><span style=\"font-weight: 400;\">Types of Proportional Control Valves:<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Directional control valves<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pressure control valves<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flow control valves<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">At Shri Ank Enterprise, we provide hydraulic <a href=\"https:\/\/shriank.com\/proportional-valves\"><strong>proportional valves<\/strong><\/a> of the Hydrank brand as a one-to-one replacement for the Yuken brand-<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a01. <a href=\"https:\/\/shriank.com\/proportional-valves-efbg-series-proportional-pressure-and-flow-control-valve\" target=\"_blank\" rel=\"noopener\">EFBG series proportional pressure and flow control valves<\/a><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">These valves adopt two electrical loops to control the system&#8217;s pressure and flow and use slight pressure drops to track the load pressure, which saves energy and controls the pump pressure.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These are interchangeable with Yuken&#8217;s EFBG valves and are available with two pressure settings. <\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<table style=\"height: 361px;\" width=\"813\">\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\">Maximum pressure<\/p>\n<\/td>\n<td style=\"text-align: center;\">210 BAR<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\">Coil voltage<\/p>\n<\/td>\n<td>\n<p style=\"text-align: center;\">24V DC<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Pressure settings<\/td>\n<td>\n<p style=\"text-align: center;\">140 BAR<\/p>\n<p style=\"text-align: center;\">210 BAR<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a02. <a href=\"https:\/\/shriank.com\/proportional-valves-edg-series-proportional-directly-operated-relief-valve\" target=\"_blank\" rel=\"noopener\">EDG series proportional directly operated relief valves<\/a><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">The Hydrank EDG series leads to controlling the pressure in the hydraulic system. They are replacements for the Yuken EDG valves. Available in two pressure settings, the valves operate the system with high accuracy.<\/span><\/p>\n<p>&nbsp;<\/p>\n<table style=\"height: 359px;\" width=\"806\">\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">Maximum pressure<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">250 BAR<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">Coil voltage<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">24V DC<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Pressure settings<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">160 BAR<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">250 BAR\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Before buying proportional control valves, one needs to consider the flow and pressure, the operating system temperature, and the required reverse sensitivity.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">With Shri Ank Enterprise, you can be assured of the products&#8217; quality, standards and cost-effectiveness.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Proportional control valves are devices that control and vary the fluid flow, pressure and direction in hydraulic systems. When the electrical input changes, these valves enable changing the output accordingly. They have a closed loop system and are controlled by electrical inputs from the sensor. They are also used as direction control valves or pressure [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":81,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[7],"class_list":["post-71","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydraulic-pumps","tag-proportional-valves"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.5.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Proportional valves: Functions and Applications<\/title>\n<meta name=\"description\" content=\"Proportional valves are devices that control and vary the fluid flow, pressure and direction in hydraulic systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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