{"id":1812,"date":"2017-01-31T11:59:22","date_gmt":"2017-01-31T10:59:22","guid":{"rendered":"https:\/\/laser.tecnoma.fr\/criteres-de-choix-dune-pompe-de-surface\/"},"modified":"2017-09-08T15:44:56","modified_gmt":"2017-09-08T14:44:56","slug":"selection-criteria-for-a-surface-pump","status":"publish","type":"page","link":"https:\/\/www.laser-industrie.com\/en\/selection-criteria-for-a-surface-pump\/","title":{"rendered":"Selection criteria for a surface pump"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_section-851e2153aa100a3f6abe304ebe0ec05c\">\n.avia-section.av-av_section-851e2153aa100a3f6abe304ebe0ec05c .av-parallax .av-parallax-inner{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/www.laser-industrie.com\/wp-content\/uploads\/sites\/5\/2017\/01\/garden.jpg);\nbackground-position:0% 100%;\nbackground-attachment:scroll;\n}\n.avia-section.av-av_section-851e2153aa100a3f6abe304ebe0ec05c .av-section-color-overlay{\nopacity:0.2;\nbackground-color:#b9ca00;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-av_section-851e2153aa100a3f6abe304ebe0ec05c main_color avia-section-huge avia-no-border-styling  avia-builder-el-0  el_before_av_heading  avia-builder-el-first  avia-full-stretch av-parallax-section avia-bg-style-parallax av-section-color-overlay-active  av-minimum-height av-minimum-height-25  container_wrap fullsize'  data-section-bg-repeat='stretch' data-av_minimum_height_pc='25'><div class='av-parallax' data-avia-parallax-ratio='0.3' ><div class='av-parallax-inner main_color avia-full-stretch'><\/div><\/div><div class='av-section-color-overlay-wrap'><div class=\"av-section-color-overlay\"><\/div><a href='#next-section' title='' class='scroll-down-link ' aria-hidden='true' data-av_icon='\ue877' data-av_iconfont='entypo-fontello'><\/a><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-1812'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-a5526f5f1772a5d8812736cd83e5ebe6\">\n#top .av-special-heading.av-av_heading-a5526f5f1772a5d8812736cd83e5ebe6{\npadding-bottom:10px;\ncolor:#ffffff;\n}\n.av-special-heading.av-av_heading-a5526f5f1772a5d8812736cd83e5ebe6 .special-heading-inner-border{\nborder-color:#ffffff;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-a5526f5f1772a5d8812736cd83e5ebe6 av-special-heading-h1 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-1  avia-builder-el-no-sibling  '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Selection criteria for a surface pump<\/h1><div class='special-heading-border'><div class='special-heading-inner-border'><\/div><\/div><\/div>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-1812'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-57f32d6d1e7ac09ae0bf600672fe97a7\">\n#top .av-special-heading.av-av_heading-57f32d6d1e7ac09ae0bf600672fe97a7{\npadding-bottom:10px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-57f32d6d1e7ac09ae0bf600672fe97a7 av-special-heading-h2 blockquote modern-quote  avia-builder-el-2  el_after_av_section  el_before_av_hr  avia-builder-el-first  '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >CHOOSING THE RIGHT SURFACE PUMP<\/h2><div class='special-heading-border'><div class='special-heading-inner-border'><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-b78666757bbc0a6e3517f1755ebca87a\">\n#top .hr.av-av_hr-b78666757bbc0a6e3517f1755ebca87a{\nmargin-top:30px;\nmargin-bottom:30px;\n}\n.hr.av-av_hr-b78666757bbc0a6e3517f1755ebca87a .hr-inner{\nwidth:50px;\nborder-color:#eeeeee;\n}\n<\/style>\n<div  class='hr av-av_hr-b78666757bbc0a6e3517f1755ebca87a hr-custom  avia-builder-el-3  el_after_av_heading  el_before_av_heading  hr-left hr-icon-no '><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-5b6b68c72549fc78719b3b6508f98396\">\n#top .av-special-heading.av-av_heading-5b6b68c72549fc78719b3b6508f98396{\npadding-bottom:10px;\n}\n.av-special-heading.av-av_heading-5b6b68c72549fc78719b3b6508f98396 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-5b6b68c72549fc78719b3b6508f98396 av-special-heading-h3 blockquote modern-quote  avia-builder-el-4  el_after_av_hr  el_before_av_one_half  '><div class='av-subheading av-subheading_above '><p>Step 1<\/p>\n<\/div><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Just answer the following four questions<\/h3><div class='special-heading-border'><div class='special-heading-inner-border'><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-6126cab7d8fab8d08143dd2dacdf673c\">\n.flex_column.av-av_one_half-6126cab7d8fab8d08143dd2dacdf673c{\nborder-radius:0px 0px 0px 0px;\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-6126cab7d8fab8d08143dd2dacdf673c av_one_half  avia-builder-el-5  el_after_av_heading  el_before_av_one_half  first flex_column_div av-zero-column-padding '   ><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p><strong><em>Question 1 : <\/em>What is the suction depth ? <\/strong><br \/>\n <em>Answer :<\/em> 4 m<br \/>\n <em>Example : <\/em>The water is roughly 4 m lower than the pump<\/p>\n<\/div><\/section><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p><strong><em>Question 2 : <\/em>How long is the sprinkler pipe ? <\/strong><br \/>\n <em>Answer :<\/em> 6 m<br \/>\n <em>Example : <\/em>60 meters of pipe<br \/>\n Head loss* is estimated at 10 % of the overall pipe length, so count<\/p>\n<\/div><\/section><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p><strong><em>Question 3 : <\/em>What is the height difference between the pump and the water outlet ? <\/strong><br \/>\n <em>Answer :<\/em> 8 m<br \/>\n <em>Example : <\/em>The water outlet(s) are roughly 8 meters higher than the pump 8 m<br \/>\n No matter how many water outlets there are**, we consider at least 2 bar of outlet pressure necessary for proper working.<br \/>\n 2 bar is the equivalent of 20 m head, so count<\/p>\n<p>YOU THEREFORE REQUIRE A TOTAL DELIVERY HEAD OF : 3.8 bars \/ 38 m<\/p>\n<\/div><\/section><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p> <strong><em>Question 4 : <\/em>How many water outlets are in use ? <\/strong><br \/>\n (garden sprinkler and\/or hosepipe, tap, WC, shower, washing machine, etc.)<br \/>\n <em>Example : <\/em>2 water outlets<br \/>\n Assuming a water outlet delivers an average 1 cubic meter per hour (m<sup>3<\/sup>\/h)<\/p>\n<p>YOUR OUTPUT REQUIREMENT IS 2 m<sup>3<\/sup>\/h &#8211; 2 000 l\/h<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-0aa7055fe62c3622faec82866afbaeb2\">\n.flex_column.av-av_one_half-0aa7055fe62c3622faec82866afbaeb2{\nborder-radius:0px 0px 0px 0px;\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_half-0aa7055fe62c3622faec82866afbaeb2 av_one_half  avia-builder-el-10  el_after_av_one_half  el_before_av_heading  flex_column_div av-zero-column-padding '   ><p><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p> <strong>PLEASE NOTE<\/strong> : For a pump at the bottom of a well, the calculation is the same but with a suction height of zero.<\/p>\n<p><em>* : water flowing in a pipe loses pressure (frictional head loss). The estimated loss in a 19 mm (3\/4 &#8221;) pipe is 10 %. <\/em><br \/>\n <em> ** : A pressure of 2 bar (20 m head) is considered necessary for a water outlet to work properly. <\/em><br \/>\n <em> No matter how many outlets there are, the required pressure will always be 2 bar, as pressure is not additive. <\/em><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-6640f88107a629a7265ca79ebfc8eadc\">\n.avia-image-container.av-av_image-6640f88107a629a7265ca79ebfc8eadc .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-6640f88107a629a7265ca79ebfc8eadc av-styling- avia-align-left  avia-builder-el-12  el_after_av_textblock  avia-builder-el-last  '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-3496 avia-img-lazy-loading-not-3496 avia_image' src=\"https:\/\/www.laser-industrie.com\/wp-content\/uploads\/sites\/5\/2017\/01\/notions_pompe_arrosage-1.jpg\" alt='' title='notions_pompe_arrosage'  height=\"179\" width=\"227\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-0cb0af0bbbf3ea501a673dd7cd373c39\">\n#top .av-special-heading.av-av_heading-0cb0af0bbbf3ea501a673dd7cd373c39{\npadding-bottom:10px;\n}\n.av-special-heading.av-av_heading-0cb0af0bbbf3ea501a673dd7cd373c39 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-0cb0af0bbbf3ea501a673dd7cd373c39 av-special-heading-h3 blockquote modern-quote  avia-builder-el-13  el_after_av_one_half  el_before_av_one_full  '><div class='av-subheading av-subheading_above '><p>Step 2<\/p>\n<\/div><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Now look at the product performance graphs<\/h3><div class='special-heading-border'><div class='special-heading-inner-border'><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_full-6126cab7d8fab8d08143dd2dacdf673c\">\n.flex_column.av-av_one_full-6126cab7d8fab8d08143dd2dacdf673c{\nborder-radius:0px 0px 0px 0px;\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-av_one_full-6126cab7d8fab8d08143dd2dacdf673c av_one_full  avia-builder-el-14  el_after_av_heading  el_before_av_section  avia-builder-el-last  first flex_column_div av-zero-column-padding '   ><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p> <strong><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3493 alignright\" src=\"https:\/\/www.tecnoma.fr\/wp-content\/uploads\/sites\/5\/2017\/01\/courbe_performance1-1.jpg\" alt=\"\" width=\"183\" height=\"156\" \/>Once you have established the flow rate and pressure, all you have to do is look at the graphs for each TECNOMA pump<\/strong> and choose the pump whose curve passes through or close to the point where your two values intersect.<\/p>\n<p><em>Example :<\/em> head 38 m, output 2 m<sup>3<\/sup>\/h<br \/>\n The PULSAR 1300 pump curve goes though this point.<\/p>\n<p>This calculation does not affect your choice of whether to use a manual start-stop, top-up, or automatic booster pump ; the type of pump is purely dependent on the use you make of it (automatic or not, domestic use, etc.).<\/p>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_section-d8cde92e763476d739ea06afeeabeaec\">\n.avia-section.av-av_section-d8cde92e763476d739ea06afeeabeaec .av-parallax .av-parallax-inner{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/www.laser-industrie.com\/wp-content\/uploads\/sites\/5\/2016\/12\/histoire-3.jpg);\nbackground-position:50% 0%;\nbackground-attachment:scroll;\n}\n.avia-section.av-av_section-d8cde92e763476d739ea06afeeabeaec .av-section-color-overlay{\nopacity:0.4;\nbackground-color:#619714;\n}\n<\/style>\n<div id='sign-up'  class='avia-section av-av_section-d8cde92e763476d739ea06afeeabeaec main_color avia-section-default avia-no-shadow  avia-builder-el-16  el_after_av_one_full  avia-builder-el-last  avia-full-stretch av-parallax-section avia-bg-style-parallax av-section-color-overlay-active  container_wrap fullsize'  data-section-bg-repeat='stretch'><div class='av-parallax' data-avia-parallax-ratio='0.3' ><div class='av-parallax-inner main_color avia-full-stretch'><\/div><\/div><div class='av-section-color-overlay-wrap'><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-1812'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-82b2255cac8ccfcb841d3127399628aa\">\n#top .av-special-heading.av-av_heading-82b2255cac8ccfcb841d3127399628aa{\npadding-bottom:10px;\ncolor:#ffffff;\nfont-size:30px;\n}\n.av-special-heading.av-av_heading-82b2255cac8ccfcb841d3127399628aa .special-heading-inner-border{\nborder-color:#ffffff;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-82b2255cac8ccfcb841d3127399628aa av-special-heading-h3 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-17  avia-builder-el-no-sibling  av-inherit-size '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Tecnoma, pleasure part of gardening<\/h3><div class='special-heading-border'><div class='special-heading-inner-border'><\/div><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1812","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/pages\/1812","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/comments?post=1812"}],"version-history":[{"count":23,"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/pages\/1812\/revisions"}],"predecessor-version":[{"id":4265,"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/pages\/1812\/revisions\/4265"}],"wp:attachment":[{"href":"https:\/\/www.laser-industrie.com\/en\/wp-json\/wp\/v2\/media?parent=1812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}