{"id":3524,"date":"2026-08-04T14:00:00","date_gmt":"2026-08-04T06:00:00","guid":{"rendered":"https:\/\/prancehydraulic.com\/blog\/how-to-select-proportional-hydraulic-valve\/"},"modified":"2026-10-30T22:33:25","modified_gmt":"2026-10-30T14:33:25","slug":"how-to-select-proportional-hydraulic-valve","status":"publish","type":"post","link":"https:\/\/prancehydraulic.com\/ar\/blog\/how-to-select-proportional-hydraulic-valve\/","title":{"rendered":"\u0643\u064a\u0641 \u064a\u0646\u0628\u063a\u064a \u0644\u0641\u0631\u064a\u0642 \u0627\u0644\u0639\u0645\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0635\u0645\u0627\u0645 \u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a \u062a\u0646\u0627\u0633\u0628\u064a \u0644\u0645\u062d\u0648\u0631 \u0645\u062d\u0643\u0648\u0645\u061f"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Proportional hydraulic valve selection for a controlled axis begins with the motion task, not with a familiar valve code.<\/strong> Collect axis, hydraulic and electronics inputs together so the RFQ can be reviewed against real model limits.<\/p>\n<figure class=\"prance-original-photo\" style=\"margin:24px 0\"><img src=\"https:\/\/prancehydraulic.com\/wp-content\/uploads\/2026\/05\/4WRAE10W60-2X-G24K31F1V-1.webp\" alt=\"Original catalog photograph: Proportional Valve 4WRAE\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:auto\"\/><figcaption>Proportional Valve 4WRAE. Original catalog photograph; exterior reference only. This is not a photograph of the test, fault or installation described. Confirm the exact configuration from its documentation.<\/figcaption><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">\u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#part-1-what-axis-behavior-must-the-valve-support\">Part 1. What axis behavior must the valve support?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-which-hydraulic-duty-values-belong-in-the-first-worksheet\">Part 2. Which hydraulic duty values belong in the first worksheet?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-how-should-command-and-feedback-needs-be-stated\">Part 3. How should command and feedback needs be stated?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-when-does-pilot-operated-proportional-construction-enter-the-shortlist\">Part 4. When does pilot-operated proportional construction enter the shortlist?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-which-documentation-closes-the-selection-loop\">Part 5. Which documentation closes the selection loop?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-what-product-route-package-should-the-buyer-send\">Part 6. What product-route package should the buyer send?<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-what-axis-behavior-must-the-valve-support\">Part 1. What axis behavior must the valve support?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Describe whether the axis needs speed control, positioning assistance, force control support or smooth acceleration. Note cycle rate and whether several axes share one manifold or supply.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-which-hydraulic-duty-values-belong-in-the-first-worksheet\">Part 2. Which hydraulic duty values belong in the first worksheet?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Record required flow, load pressure, supply pressure, fluid type, temperature range and filtration expectations. Separate continuous and peak values so sizing is not based on a single snapshot.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-how-should-command-and-feedback-needs-be-stated\">Part 3. How should command and feedback needs be stated?<\/h2>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Input<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Example detail<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0623\u0631\u0633\u0644 \u0645\u0639 \u0627\u0642\u062a\u0628\u0627\u0633<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Command type<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">+\/-10 V, 4-20 mA, fieldbus, etc.<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yes<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Feedback need<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">None, spool, or axis feedback handled elsewhere<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yes<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Amplifier location<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">On-board or external<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yes<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Axis sensors<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">What already exists on the machine<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Do not assume every proportional valve includes the electronics or feedback device you expect.<\/p>\n<figure class=\"prance-original-photo\" style=\"margin:24px 0\"><img src=\"https:\/\/prancehydraulic.com\/wp-content\/uploads\/2026\/05\/4WRAE10W60-2X-G24K31F1V-2.webp\" alt=\"Original catalog photograph: Proportional Valve 4WRAE\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:auto\"\/><figcaption>Proportional Valve 4WRAE. Original catalog photograph; exterior reference only. This is not a photograph of the test, fault or installation described. Confirm the exact configuration from its documentation.<\/figcaption><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-when-does-pilot-operated-proportional-construction-enter-the-shortlist\">Part 4. When does pilot-operated proportional construction enter the shortlist?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Higher flow or higher force requirements often push the review toward pilot-operated proportional constructions. Confirm pilot supply and drain needs at the same time.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-which-documentation-closes-the-selection-loop\">Part 5. Which documentation closes the selection loop?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Request the datasheet, outline drawing, connector pinout, recommended fluid cleanliness and any commissioning notes required by the project. Performance adjectives without numbers are not enough.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-what-product-route-package-should-the-buyer-send\">Part 6. What product-route package should the buyer send?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Include axis description, flow, pressure, fluid, command interface, feedback expectations, mounting and required documents.<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Product-family route: proportional valve family after axis inputs are complete<\/li>\n<li style=\"margin:0 0 8px\">Send with quote: command, feedback and duty worksheet<\/li>\n<li style=\"margin:0 0 8px\">Fit boundary: dynamic performance is model- and setup-specific<\/li>\n<\/ul>\n<figure class=\"prance-original-photo\" style=\"margin:24px 0\"><img src=\"https:\/\/prancehydraulic.com\/wp-content\/uploads\/2026\/05\/4WRAE10W60-2X-G24K31F1V-4.webp\" alt=\"Original catalog photograph: Proportional Valve 4WRAE\" width=\"800\" height=\"800\" loading=\"lazy\" decoding=\"async\" style=\"display:block;max-width:100%;height:auto;margin:auto\"\/><figcaption>Proportional Valve 4WRAE. Original catalog photograph; exterior reference only. This is not a photograph of the test, fault or installation described. Confirm the exact configuration from its documentation.<\/figcaption><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>\u0645\u0647\u0645:<\/strong> Do not claim closed-loop performance from a valve family name; confirm command, feedback and dynamic limits in the model documentation. \u2014 <a href=\"https:\/\/www.parker.com\/content\/dam\/Parker-com\/Literature\/PMDE\/Catalogs\/Truck_Hydraulics\/MSG30-8200_UK.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Parker basic hydraulic formulas<\/a><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Use the following related guidance during the review:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/prancehydraulic.com\/ar\/blog\/hydraulic-proportional-valve-position-feedback-guide\/\">Proportional Valve Position Feedback Guide<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/prancehydraulic.com\/ar\/blog\/ng6-vs-ng10-hydraulic-valve\/\">NG6 vs NG10 Hydraulic Valve<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/prancehydraulic.com\/ar\/hydraulic-valves\/\">Hydraulic Valves<\/a><\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">For a product-family review, start with the <a href=\"https:\/\/prancehydraulic.com\/ar\/hydraulic-valves\/\">hydraulic valves range<\/a>, review the <a href=\"https:\/\/prancehydraulic.com\/ar\/product\/proportional-valve-4wrae\/\">proportional valve 4WRAE<\/a> route when relevant, then submit the full application through the <a href=\"https:\/\/prancehydraulic.com\/ar\/contact-us\/\">\u0635\u0641\u062d\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644<\/a>. A model recommendation requires the applicable datasheet and complete operating inputs.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faqs\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3 style=\"margin:28px 0 12px\">What is the first input for proportional valve selection?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">The controlled-axis motion requirement and the hydraulic duty that supports it.<\/p>\n<h3 style=\"margin:28px 0 12px\">Do all proportional valves include onboard electronics?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Confirm amplifier location and connector details in the model documentation.<\/p>\n<h3 style=\"margin:28px 0 12px\">Is position feedback always required?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Only when the control strategy needs it. State the requirement explicitly.<\/p>\n<h3 style=\"margin:28px 0 12px\">When should pilot-operated proportional valves be reviewed?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">When flow or force needs exceed what a suitable direct-operated option can support per datasheet review.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can a directional on\/off valve replace a proportional valve?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Only if the axis no longer needs modulated control. That is a design change, not a drop-in assumption.<\/p>\n<h3 style=\"margin:28px 0 12px\">What should a buyer provide in the RFQ?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Axis behavior, duty data, command interface, feedback needs, fluid and mounting details.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.parker.com\/content\/dam\/Parker-com\/Literature\/PMDE\/Catalogs\/Truck_Hydraulics\/MSG30-8200_UK.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Parker basic hydraulic formulas<\/a> \u2014 flow and pressure inputs needed before proportional axis valve selection.<\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/assets.danfoss.com\/documents\/latest\/406066\/BC152886483301en-000805.pdf\" rel=\"nofollow noopener\" target=\"_blank\">\u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0644\u0633\u0644\u0633\u0644\u0629 \u062f\u0627\u0646\u0641\u0648\u0633 40<\/a> \u2014 displacement and speed context that parallels controlled-axis duty definition.<\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Proportional hydraulic valve selection for a controlled axis begins with the motion task, not with a familiar valve code. Collect axis, hydraulic and electronics inputs together so the RFQ can be reviewed against real model limits. Proportional Valve 4WRAE. Original catalog photograph; exterior reference only. This is not a photograph of the test, fault or [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2468,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/posts\/3524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/comments?post=3524"}],"version-history":[{"count":1,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/posts\/3524\/revisions"}],"predecessor-version":[{"id":4978,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/posts\/3524\/revisions\/4978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/media\/2468"}],"wp:attachment":[{"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/media?parent=3524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/categories?post=3524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prancehydraulic.com\/ar\/wp-json\/wp\/v2\/tags?post=3524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}