{"id":2981,"date":"2018-02-05T11:50:38","date_gmt":"2018-02-05T11:50:38","guid":{"rendered":"http:\/\/nastec.eu\/en\/?page_id=2981"},"modified":"2022-08-22T07:49:23","modified_gmt":"2022-08-22T07:49:23","slug":"pump-selection","status":"publish","type":"page","link":"https:\/\/nastec.eu\/en\/products-for-grid\/4hs\/pump-selection\/","title":{"rendered":"Pump selection"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-f374da8a99e5d16ac34160eec3d05e1c\">\n.flex_column.av-av_one_half-f374da8a99e5d16ac34160eec3d05e1c{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-f374da8a99e5d16ac34160eec3d05e1c av_one_half  avia-builder-el-0  el_before_av_one_half  avia-builder-el-first  first no_margin flex_column_div av-animated-generic bottom-to-top av-zero-column-padding  '     ><section  class='av_textblock_section av-av_textblock-2de302bf1aa3cf4c9157dbe6f50ac7eb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Pump selection<\/h1>\n<p>Variable speed allows 4HS to cover a wide range of water flow and heads with just a few models; selecting the proper pump model for an application will help maximise performance and overall efficiency. Use the diagram below to select the most suitable 4HS pump model for your application.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8\">\n.flex_column.av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8 av_one_half  avia-builder-el-2  el_after_av_one_half  el_before_av_hr  no_margin flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-bc6d915c992adf111615d8f74900e886\">\n.avia-image-container.av-av_image-bc6d915c992adf111615d8f74900e886 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-bc6d915c992adf111615d8f74900e886 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-bc6d915c992adf111615d8f74900e886 av-styling- avia-align-center  avia-builder-el-3  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-5371 avia-img-lazy-loading-not-5371 avia_image ' src=\"https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection.jpg\" alt='4HS-pump-selection' title='4HS-pump-selection'  height=\"996\" width=\"1200\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection.jpg 1200w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-300x249.jpg 300w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-768x637.jpg 768w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-1030x855.jpg 1030w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-705x585.jpg 705w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-450x374.jpg 450w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-24x20.jpg 24w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-36x30.jpg 36w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/02\/4HS-pump-selection-48x40.jpg 48w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-d3b73fb4b2c73c29926cb878186f8db1\">\n#top .hr.av-av_hr-d3b73fb4b2c73c29926cb878186f8db1{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-av_hr-d3b73fb4b2c73c29926cb878186f8db1 .hr-inner{\nwidth:100%;\nborder-color:#ebebeb;\n}\n<\/style>\n<div  class='hr av-av_hr-d3b73fb4b2c73c29926cb878186f8db1 hr-custom  avia-builder-el-4  el_after_av_one_half  el_before_av_one_half  hr-left hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><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_one_half-15d750bd1b332b34c6e70b077ebbccdf\">\n.flex_column.av-av_one_half-15d750bd1b332b34c6e70b077ebbccdf{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-15d750bd1b332b34c6e70b077ebbccdf av_one_half  avia-builder-el-5  el_after_av_hr  el_before_av_one_half  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-av_textblock-2de302bf1aa3cf4c9157dbe6f50ac7eb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Energy saving<\/h1>\n<p>If the water demand decreses, 4HS will reduce the speed (proportional to the frequency) to maintain constant pressure. As you can see from the chart, a speed reduction corresponds a significant decrease of the power consumption. For example, maintaining constant the 6 bar (197 psi), if speed drops from 4800 rpm to 4200 rpm, input power decreases from 1600W to 700W.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8\">\n.flex_column.av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8 av_one_half  avia-builder-el-7  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-av_textblock-2de302bf1aa3cf4c9157dbe6f50ac7eb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Thousand pumps<\/h1>\n<p>4HS can be used at a fixed speed by setting the operational frequency. To each frequency curve corresponds a different hydraulic performance and power consumption. This means that each 4HS model covers the performance offered by several standard pumps at fixed speed.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-d3b73fb4b2c73c29926cb878186f8db1\">\n#top .hr.av-av_hr-d3b73fb4b2c73c29926cb878186f8db1{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-av_hr-d3b73fb4b2c73c29926cb878186f8db1 .hr-inner{\nwidth:100%;\nborder-color:#ebebeb;\n}\n<\/style>\n<div  class='hr av-av_hr-d3b73fb4b2c73c29926cb878186f8db1 hr-custom  avia-builder-el-9  el_after_av_one_half  el_before_av_one_half  hr-left hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-15d750bd1b332b34c6e70b077ebbccdf\">\n.flex_column.av-av_one_half-15d750bd1b332b34c6e70b077ebbccdf{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-15d750bd1b332b34c6e70b077ebbccdf av_one_half  avia-builder-el-10  el_after_av_hr  el_before_av_one_half  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-av_textblock-2de302bf1aa3cf4c9157dbe6f50ac7eb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Performance adapting<\/h1>\n<p>Among the parameters to be set in the CM control module, particularly useful is the possibility of limiting the maximum current absorbed by the pump. If this threshold is exceeded, for example in the even of a drop in input voltage, the control will reduce the 4HS pump speed to always ensure its operation.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8\">\n.flex_column.av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-c8fc129dc35fd1ae2a1e410224d39ea8 av_one_half  avia-builder-el-12  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-176e9287c7d826e88e3bb6ebfc4ef613\">\n.avia-image-container.av-av_image-176e9287c7d826e88e3bb6ebfc4ef613 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-176e9287c7d826e88e3bb6ebfc4ef613 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-176e9287c7d826e88e3bb6ebfc4ef613 av-styling- avia-align-center  avia-builder-el-13  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-5372 avia-img-lazy-loading-not-5372 avia_image ' src=\"https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection.jpg\" alt='4HS-05-04-pump-selection' title='4HS-05-04-pump-selection'  height=\"1334\" width=\"1200\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection.jpg 1200w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-270x300.jpg 270w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-768x854.jpg 768w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-927x1030.jpg 927w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-634x705.jpg 634w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-450x500.jpg 450w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-22x24.jpg 22w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-32x36.jpg 32w, https:\/\/nastec.eu\/en\/wp-content\/uploads\/2018\/03\/4HS-05-04-pump-selection-43x48.jpg 43w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":10279,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[41],"tags":[17,42],"class_list":["post-2981","page","type-page","status-publish","hentry","category-focus-4hs","tag-4hs","tag-focus-4hs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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