{"id":3127,"date":"2022-05-16T07:34:33","date_gmt":"2022-05-16T07:34:33","guid":{"rendered":"https:\/\/mafpump.se\/?p=3127"},"modified":"2022-05-16T07:34:37","modified_gmt":"2022-05-16T07:34:37","slug":"troubleshooting-in-the-hjorttorp-pumping-station","status":"publish","type":"post","link":"https:\/\/mafpump.se\/en\/felsokning-i-pumpstationen-hjorttorp\/","title":{"rendered":"Troubleshooting in the pumping station, Hjorttorp"},"content":{"rendered":"<p>A pumping station equipped with Swedish-made eccentric screw pumps model AHLEX 752BA is installed in the basement.<\/p>\n\n\n\n<p>According to the flow meter, the pumps were delivering too low flows.<br>A reference measurement in which we clocked the lowering of the pumping pump also gave a signal that the pumps were emptying too slowly.<br>Two independent measurements showing the same thing are usually enough to look for causes on the pumps themselves.<\/p>\n\n\n\n<p>We still chose to measure the flow with an external, surface-mounted flow meter provided by Gustav Fagerberg.<br>We closed the main line out of the pumping station and circulated the flow inside the station, while creating different back pressures by throttling a valve and monitoring the back pressure.<\/p>\n\n\n\n<p>A series of measurements were taken at different back pressures and flows and the bee now got the correct flows according to spec.<br>Now everything pointed to the flow meter not working as intended. An overhaul was carried out and the flowmeter was fixed.<br>The fact that the pump indicated a slow emptying was due to the fact that the inflow was not switched off.<br>It happened to give the same false indication as the flowmeter.<br>All's well that ends well!<\/p>\n\n\n\n<p>Experience in service and systematic troubleshooting pays off.<br>- Well done Mr Carlsson!<\/p>","protected":false},"excerpt":{"rendered":"<p>En pumpstation utrustad med svensktillverkade excenterskruvpumpar modell AHLEX 752BA sitter installerad i k\u00e4llaren. Enligt fl\u00f6desm\u00e4taren levererade pumparna f\u00f6r l\u00e5ga fl\u00f6den.En referensm\u00e4tning d\u00e4r vi klockade s\u00e4nkningen av pumpsump gav ocks\u00e5 en signal om att pumparna t\u00f6mde f\u00f6r l\u00e5ngsamt.Tv\u00e5 oberoende m\u00e4tningar visar samma sak \u00e4r ju oftast tillr\u00e4ckligt f\u00f6r att leta orsaker p\u00e5 sj\u00e4lva pumparna. Vi valde [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3128,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nyheter"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fels\u00f6kning i pumpstationen, Hjorttorp | MAF Pump\u00ae<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mafpump.se\/en\/troubleshooting-in-the-hjorttorp-pumping-station\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fels\u00f6kning i pumpstationen, Hjorttorp | MAF Pump\u00ae\" \/>\n<meta property=\"og:description\" content=\"En pumpstation utrustad med svensktillverkade excenterskruvpumpar modell AHLEX 752BA sitter installerad i k\u00e4llaren. Enligt fl\u00f6desm\u00e4taren levererade pumparna f\u00f6r l\u00e5ga fl\u00f6den.En referensm\u00e4tning d\u00e4r vi klockade s\u00e4nkningen av pumpsump gav ocks\u00e5 en signal om att pumparna t\u00f6mde f\u00f6r l\u00e5ngsamt.Tv\u00e5 oberoende m\u00e4tningar visar samma sak \u00e4r ju oftast tillr\u00e4ckligt f\u00f6r att leta orsaker p\u00e5 sj\u00e4lva pumparna. Vi valde [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mafpump.se\/en\/troubleshooting-in-the-hjorttorp-pumping-station\/\" \/>\n<meta property=\"og:site_name\" content=\"Mafpump\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-16T07:34:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-05-16T07:34:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1244\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alexander Ahlb\u00e4ck\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alexander Ahlb\u00e4ck\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/\"},\"author\":{\"name\":\"Alexander Ahlb\u00e4ck\",\"@id\":\"https:\/\/mafpump.se\/#\/schema\/person\/e65444762b9f9d0eed5cf6c2d31038c6\"},\"headline\":\"Fels\u00f6kning i pumpstationen, Hjorttorp\",\"datePublished\":\"2022-05-16T07:34:33+00:00\",\"dateModified\":\"2022-05-16T07:34:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/\"},\"wordCount\":218,\"publisher\":{\"@id\":\"https:\/\/mafpump.se\/#organization\"},\"image\":{\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg\",\"articleSection\":[\"Nyheter\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/\",\"url\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/\",\"name\":\"Fels\u00f6kning i pumpstationen, Hjorttorp | MAF Pump\u00ae\",\"isPartOf\":{\"@id\":\"https:\/\/mafpump.se\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg\",\"datePublished\":\"2022-05-16T07:34:33+00:00\",\"dateModified\":\"2022-05-16T07:34:37+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage\",\"url\":\"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg\",\"contentUrl\":\"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg\",\"width\":2560,\"height\":1244,\"caption\":\"H\u00e4r ser man H\u00e5kan Carlsson utf\u00f6ra service p\u00e5 AHLEX 752BA excenterskruvpumpar. Han kollar fl\u00f6det med hj\u00e4lp av fl\u00f6desm\u00e4ttare.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Hem\",\"item\":\"https:\/\/mafpump.se\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fels\u00f6kning i pumpstationen, Hjorttorp\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mafpump.se\/#website\",\"url\":\"https:\/\/mafpump.se\/\",\"name\":\"MAF Pump\",\"description\":\"Vi pumpar Sverige fram\u00e5t\",\"publisher\":{\"@id\":\"https:\/\/mafpump.se\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mafpump.se\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mafpump.se\/#organization\",\"name\":\"MAF Pump\",\"url\":\"https:\/\/mafpump.se\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/mafpump.se\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mafpump.se\/wp-content\/uploads\/2019\/12\/mafpump-logo.png\",\"contentUrl\":\"https:\/\/mafpump.se\/wp-content\/uploads\/2019\/12\/mafpump-logo.png\",\"width\":415,\"height\":251,\"caption\":\"MAF Pump\"},\"image\":{\"@id\":\"https:\/\/mafpump.se\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/mafpump.se\/#\/schema\/person\/e65444762b9f9d0eed5cf6c2d31038c6\",\"name\":\"Alexander Ahlb\u00e4ck\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/8e23cb7e71e1c214fdcfe4ddc602dafe3f4dc9dff6173a930cc5c8bdea653bd5?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8e23cb7e71e1c214fdcfe4ddc602dafe3f4dc9dff6173a930cc5c8bdea653bd5?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8e23cb7e71e1c214fdcfe4ddc602dafe3f4dc9dff6173a930cc5c8bdea653bd5?s=96&d=mm&r=g\",\"caption\":\"Alexander Ahlb\u00e4ck\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Troubleshooting in the pumping station, Hjorttorp | MAF Pump\u00ae","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mafpump.se\/en\/troubleshooting-in-the-hjorttorp-pumping-station\/","og_locale":"en_GB","og_type":"article","og_title":"Fels\u00f6kning i pumpstationen, Hjorttorp | MAF Pump\u00ae","og_description":"En pumpstation utrustad med svensktillverkade excenterskruvpumpar modell AHLEX 752BA sitter installerad i k\u00e4llaren. Enligt fl\u00f6desm\u00e4taren levererade pumparna f\u00f6r l\u00e5ga fl\u00f6den.En referensm\u00e4tning d\u00e4r vi klockade s\u00e4nkningen av pumpsump gav ocks\u00e5 en signal om att pumparna t\u00f6mde f\u00f6r l\u00e5ngsamt.Tv\u00e5 oberoende m\u00e4tningar visar samma sak \u00e4r ju oftast tillr\u00e4ckligt f\u00f6r att leta orsaker p\u00e5 sj\u00e4lva pumparna. Vi valde [&hellip;]","og_url":"https:\/\/mafpump.se\/en\/troubleshooting-in-the-hjorttorp-pumping-station\/","og_site_name":"Mafpump","article_published_time":"2022-05-16T07:34:33+00:00","article_modified_time":"2022-05-16T07:34:37+00:00","og_image":[{"width":2560,"height":1244,"url":"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg","type":"image\/jpeg"}],"author":"Alexander Ahlb\u00e4ck","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Alexander Ahlb\u00e4ck","Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#article","isPartOf":{"@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/"},"author":{"name":"Alexander Ahlb\u00e4ck","@id":"https:\/\/mafpump.se\/#\/schema\/person\/e65444762b9f9d0eed5cf6c2d31038c6"},"headline":"Fels\u00f6kning i pumpstationen, Hjorttorp","datePublished":"2022-05-16T07:34:33+00:00","dateModified":"2022-05-16T07:34:37+00:00","mainEntityOfPage":{"@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/"},"wordCount":218,"publisher":{"@id":"https:\/\/mafpump.se\/#organization"},"image":{"@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage"},"thumbnailUrl":"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg","articleSection":["Nyheter"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/","url":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/","name":"Troubleshooting in the pumping station, Hjorttorp | MAF Pump\u00ae","isPartOf":{"@id":"https:\/\/mafpump.se\/#website"},"primaryImageOfPage":{"@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage"},"image":{"@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage"},"thumbnailUrl":"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg","datePublished":"2022-05-16T07:34:33+00:00","dateModified":"2022-05-16T07:34:37+00:00","breadcrumb":{"@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#primaryimage","url":"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg","contentUrl":"https:\/\/mafpump.se\/wp-content\/uploads\/2022\/05\/hjorttorp-3-scaled.jpg","width":2560,"height":1244,"caption":"H\u00e4r ser man H\u00e5kan Carlsson utf\u00f6ra service p\u00e5 AHLEX 752BA excenterskruvpumpar. Han kollar fl\u00f6det med hj\u00e4lp av fl\u00f6desm\u00e4ttare."},{"@type":"BreadcrumbList","@id":"https:\/\/mafpump.se\/felsokning-i-pumpstationen-hjorttorp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Hem","item":"https:\/\/mafpump.se\/"},{"@type":"ListItem","position":2,"name":"Fels\u00f6kning i pumpstationen, Hjorttorp"}]},{"@type":"WebSite","@id":"https:\/\/mafpump.se\/#website","url":"https:\/\/mafpump.se\/","name":"MAF Pump","description":"We are pumping Sweden forward","publisher":{"@id":"https:\/\/mafpump.se\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mafpump.se\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/mafpump.se\/#organization","name":"MAF Pump","url":"https:\/\/mafpump.se\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/mafpump.se\/#\/schema\/logo\/image\/","url":"https:\/\/mafpump.se\/wp-content\/uploads\/2019\/12\/mafpump-logo.png","contentUrl":"https:\/\/mafpump.se\/wp-content\/uploads\/2019\/12\/mafpump-logo.png","width":415,"height":251,"caption":"MAF Pump"},"image":{"@id":"https:\/\/mafpump.se\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/mafpump.se\/#\/schema\/person\/e65444762b9f9d0eed5cf6c2d31038c6","name":"Alexander Ahlb\u00e4ck","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/8e23cb7e71e1c214fdcfe4ddc602dafe3f4dc9dff6173a930cc5c8bdea653bd5?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e23cb7e71e1c214fdcfe4ddc602dafe3f4dc9dff6173a930cc5c8bdea653bd5?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e23cb7e71e1c214fdcfe4ddc602dafe3f4dc9dff6173a930cc5c8bdea653bd5?s=96&d=mm&r=g","caption":"Alexander Ahlb\u00e4ck"}}]}},"_links":{"self":[{"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/posts\/3127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/comments?post=3127"}],"version-history":[{"count":0,"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/posts\/3127\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/media\/3128"}],"wp:attachment":[{"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/media?parent=3127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/categories?post=3127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mafpump.se\/en\/wp-json\/wp\/v2\/tags?post=3127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}