{"id":2161,"date":"2022-10-14T21:45:52","date_gmt":"2022-10-14T13:45:52","guid":{"rendered":"https:\/\/dodomachine.com\/?p=2161"},"modified":"2026-01-08T14:03:35","modified_gmt":"2026-01-08T06:03:35","slug":"4-%d8%b7%d8%b1%d9%82-%d9%84%d8%aa%d8%ad%d8%af%d9%8a%d8%af-%d8%ae%d8%b7%d8%a3-%d8%a7%d9%84%d8%b5%d9%85%d8%a7%d9%85-%d8%a7%d9%84%d8%b9%d9%83%d8%b3%d9%8a-%d9%88%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%a7%d9%84","status":"publish","type":"post","link":"https:\/\/www.dodomachine.com\/ar\/4-way-reversing-valve-fault-identification-and-cause-analysis\/","title":{"rendered":"\u062a\u062d\u062f\u064a\u062f \u062e\u0637\u0623 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0639\u0643\u0633\u064a \u0641\u064a 4 \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0648\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0633\u0628\u0628"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u0648\u0627\u062d\u062f. \u0647\u064a\u0643\u0644 \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 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Structure and use of four-way valve The four-way valve consists of three parts: pilot valve main valve solenoid coil The solenoid coil can be removed. The pilot valve and the main valve are welded together. A brief introduction to the working principle of the four-way valve: When the electromagnetic coil is in a power-off [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1935,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hvac-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4-way Reversing Valve fault identification and cause analysis - Automatic Brazing Machine Induction Brazin-DoDo Machine<\/title>\n<meta name=\"description\" content=\"This article describes the principle of the 4-way reversing valve in detail, as well as the failure analysis.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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