{"id":2802,"date":"2020-06-01T16:40:59","date_gmt":"2020-06-01T08:40:59","guid":{"rendered":"http:\/\/www.itcpower.com.cn\/?p=2802"},"modified":"2021-04-02T14:01:48","modified_gmt":"2021-04-02T06:01:48","slug":"what-are-the-reasons-why-centrifugal-pumps-cannot-pump-water","status":"publish","type":"post","link":"https:\/\/www.itcpowergenerator.com\/what-are-the-reasons-why-centrifugal-pumps-cannot-pump-water\/","title":{"rendered":"What are the reasons why centrifugal pumps cannot pump water?"},"content":{"rendered":"<p><span style=\"color: #333333;\"><\/span><\/p>\r\n<ol class=\"wp-block-list\">\r\n<li><span style=\"color: #333333;\">The inside of the <a style=\"color: #333333;\" href=\"https:\/\/www.itcpowergenerator.com\/product-category\/water-pump\/\"><em><strong>pump<\/strong><\/em><\/a> is not filled with water or the air in the inlet pipe is not pumped clean; the solution for the <em><strong>centrifugal pump<\/strong><\/em> not to discharge water: continue to fill the water or pump the air in the inlet pipe clean.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The head required for the actual working conditions is too high, and the low head of the centrifugal pump cannot reach the working condition requirements; solution: replace the water pump with a higher head.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The air leakage of the suction pipe or the sealing device is serious; the solution: block or repair the leaking part, compress or replace the seal.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">In the field use, the direction of the inlet and outlet of the centrifugal pump is reversed or the wiring of the motor is incorrect, or the rotation direction of the pump is wrong; Solution: replace the wiring of the motor in the direction of the inlet and outlet, change any two of the wiring to change the rotation direction<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The pump speed is too low; the solution for the centrifugal pump without water: increase the pump speed.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The bottom valve is severely corroded, the inlet or impeller channel is blocked; solution: repair the bottom valve, remove debris, and add a trash rack at the inlet.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The inlet pipeline is too long and the suction stroke is too large; the solution: reduce the installation height of the pump, or reduce the elbow valve parts on the suction pipeline, and shorten the length of the pipeline.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The impeller is seriously damaged, and the gap of the leakage reduction ring is worn out; the solution: replace the impeller and the leakage reduction ring.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">Impeller nut and key come out; solution: repair and tighten.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">Improper installation of the suction pipe, resulting in the existence of air bags in the pipe; solution: modify the suction pipe.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">Impeller is reversed; solution: reinstall the impeller.<\/span><\/li>\r\n<li><span style=\"color: #333333;\">The submerged depth of the suction pipe mouth is insufficient, and the air is sucked into the pump; solution: increase the submerged depth, or put a wooden board around the water surface of the suction pipe.<\/span><\/li>\r\n<\/ol>\r\n<p><span style=\"color: #333333;\"><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>The inside of the pump is not filled with water or the air in the inlet pipe is not pumped clean; the solution for the centrifugal pump not to discharge water: continue to fill the water or pump the air in the inlet pipe clean. The head required for the actual working conditions is too [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2806,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[71],"tags":[],"class_list":["post-2802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-water-pump"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why centrifugal pumps cannot pump water? - ITCPOWER<\/title>\n<meta name=\"description\" content=\"The inside of the pump is not filled with water or the air in the inlet pipe is not pumped clean; the solution for the centrifugal pump........\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.itcpowergenerator.com\/what-are-the-reasons-why-centrifugal-pumps-cannot-pump-water\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why centrifugal pumps cannot pump water? - ITCPOWER\" \/>\n<meta property=\"og:description\" content=\"The inside of the pump is not filled with water or the air in the inlet pipe is not pumped clean; 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