{"id":1968,"date":"2021-05-31T14:42:19","date_gmt":"2021-05-31T12:42:19","guid":{"rendered":"https:\/\/passivpump.se\/?page_id=1968"},"modified":"2026-08-03T09:45:03","modified_gmt":"2026-08-03T07:45:03","slug":"what-is-pps","status":"publish","type":"page","link":"https:\/\/passivpump.se\/en\/what-is-pps\/","title":{"rendered":"What is PPS?"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.27.7″ _module_preset=”default” custom_padding=”0px|||||” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][et_pb_row _builder_version=”4.27.7″ _module_preset=”default” background_enable_color=”off” custom_margin=”||||false|false” custom_padding=”||5px||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”Vanliga fr\u00e5gor” _builder_version=”4.27.4″ _module_preset=”default” header_2_line_height=”1.2em” custom_margin=”||0px|15px|false|false” custom_margin_tablet=”” custom_margin_phone=”||0px|0px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”||23px|0px|false|false” global_colors_info=”{}”]<\/p>\n

Frequently Asked Questions about the Passive Pump System (PPS)<\/span><\/span>\u00a0<\/span><\/h2>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.7″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

What is a Passive Pump System (PPS)?<\/span><\/span><\/h3>\n

A Passive Pump System \u2013 PPS \u2013 is a siphon pipeline with an automatic cleaning function, where natural laws do most of the work, improving and simplifying operation and maintenance.<\/span><\/span>\u00a0<\/span><\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.7″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

How does a PPS work?<\/span><\/span><\/h3>\n

A PPS consists of a siphon pipeline, a pumping unit (a compressed air\u2013driven mammoth pump), a liquid reservoir, and a technical cabinet housing the compressor, air tank, and control system.\u00a0<\/p>\n

The liquid flows by gravity through the siphon pipeline since the inlet at M2 is higher than the outlet at PE.\u00a0<\/p>\n

Automatic cleaning occurs once per day for about one minute, when the compressed air\u2013driven mammoth pump lowers the pressure line at PE, increasing flow to self-cleaning velocity.\u00a0<\/p>\n

To ensure sufficient flushing volume, a reservoir is installed between M1 and M2 \u2013 after each cleaning cycle, the system returns to passive mode.\u00a0<\/p>\n

[\/et_pb_text][et_pb_image src=”https:\/\/passivpump.se\/wp-content\/uploads\/2021\/06\/Vattendrag-med-styrd-borrning-och-PPS.gif” alt=”Illustration av vattendrag med styrd borrning och PPS” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

What is a siphon pipeline?<\/span><\/span><\/h3>\n

When a gravity pipeline\u00a0encounters\u00a0an obstacle, it is rerouted beneath it using a siphon pipeline.<\/span>\u00a0<\/span><\/p>\n

Such obstacles may include:<\/span><\/p>\n

    \n
  • Watercourses<\/span>\u00a0<\/span><\/li>\n
  • Road or pedestrian underpasses<\/span>\u00a0<\/span><\/li>\n
  • Railway tunnels<\/span>\u00a0<\/span><\/li>\n
  • Stormwater culverts<\/span><\/li>\n<\/ul>\n

    A siphon pipeline requires no external energy, as it relies on gravity.\u00a0However, it has a weakness: in practice, it is difficult to\u00a0maintain\u00a0design flow rates that keep the pipe self-cleaning.<\/span>\u00a0<\/span><\/p>\n

    Over time, sediment builds up in the low point of the siphon due to varying flows in the sewer network. When high flow eventually occurs, the pipe may already be clogged \u2014 a well-known issue typically solved with a traditional pumping station.<\/span>\u00a0<\/span><\/p>\n

    [\/et_pb_text][et_pb_image src=”https:\/\/passivpump.se\/wp-content\/uploads\/2024\/11\/Vattendrag-med-dykarledning-utan-PPS-passivpump.se_stor-scaled.jpg” alt=”Illustration av vattendrag med styrd borrning och Passiv Pump System” title_text=”Vattendrag med dykarledning utan PPS passivpump.se_stor” _builder_version=”4.27.7″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_image][et_pb_text _builder_version=”4.27.7″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

    Traditional<\/span>\u00a0<\/span><\/span>pumping<\/span>\u00a0<\/span>station \u2013 the common\u00a0<\/span><\/span>response<\/span>\u00a0<\/span>to the\u00a0<\/span><\/span>siphon<\/span>\u00a0<\/span><\/span>pipeline\u2019s<\/span>\u00a0<\/span>limitations<\/span><\/h3>\n

    In a\u00a0traditional\u00a0pumping\u00a0station, the\u00a0outgoing\u00a0pressure\u00a0pipe\u00a0can\u00a0be\u00a0laid\u00a0as a\u00a0siphon,\u00a0while\u00a0the pump\u00a0ensures\u00a0sufficient\u00a0velocity\u00a0for\u00a0cleaning.\u00a0However,\u00a0this\u00a0setup has\u00a0several\u00a0drawbacks:<\/span>\u00a0<\/span><\/p>\n

      \n
    • High\u00a0energy\u00a0consumption\u00a0<\/li>\n
    • Power\u00a0outages\u00a0can\u00a0cause\u00a0flooding\u00a0<\/li>\n
    • Backup\u00a0power\u00a0is\u00a0required\u00a0to\u00a0prevent\u00a0overflow\u00a0during\u00a0outages\u00a0<\/li>\n
    • If backup\u00a0power\u00a0fails, the station must\u00a0have\u00a0an\u00a0overflow\u00a0outlet,\u00a0discharging\u00a0untreated\u00a0wastewater\u00a0\u2014\u00a0often\u00a0into\u00a0a\u00a0nearby\u00a0watercourse\u00a0<\/li>\n<\/ul>\n

       <\/p>\n

        <\/ul>\n

        [\/et_pb_text][et_pb_image src=”https:\/\/passivpump.se\/wp-content\/uploads\/2024\/11\/Vattendrag-med-traditionell-pumpstation-utan-PPS-passivpump.se-20241101-e1730885387743.png” title_text=”Vattendrag med traditionell pumpstation utan PPS passivpump.se 20241101″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.7″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

        PPS \u2013 the solution that simplifies and improves<\/h3>\n

        This system functions as a siphon pipeline, but\u00a0<\/span><\/span><\/span>without its disadvantages<\/span><\/span>.<\/span><\/span>
        A PPS means that:<\/span><\/span>\u00a0<\/span>
        <\/b><\/p>\n

          \n
        • Water flows by gravity\u00a0<\/span><\/span><\/span>99.9% of the time<\/span><\/span>\u00a0<\/span><\/li>\n
        • Energy consumption is minimal<\/span><\/span>, as cleaning occurs only about one minute per day<\/span><\/span>\u00a0<\/span><\/li>\n
        • Power outages have no consequences<\/span><\/span>, since the system resumes operation automatically<\/span><\/span>\u00a0<\/span><\/li>\n
        • The system cannot overflow<\/span><\/span>\u00a0<\/span><\/li>\n
        • A PPS is not sensitive to ground settlement<\/span><\/span>\u00a0<\/span>\u2013 the siphon can settle freely without affecting function<\/span><\/span>\u00a0<\/span><\/span><\/li>\n<\/ul>\n

          However, a PPS\u00a0<\/span><\/span><\/span>cannot raise water levels. F<\/span><\/span>or that purpose, a traditional pumping station is the right solution.<\/span><\/span>\u00a0<\/span><\/p>\n

          [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ _module_preset=”default” custom_margin=”20px||||false|false” custom_padding=”||5px||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_cta title=”Common Applications for Passive Pump Systems ” button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6Ijk2NiJ9fQ==@” button_text=”Find Out More About Common Applications for Passive Pump Systems ” admin_label=”Rubrik & Text” _builder_version=”4.27.7″ _dynamic_attributes=”button_url” _module_preset=”default” use_background_color=”off” text_orientation=”left” background_layout=”light” custom_margin=”||0px|15px|false|false” custom_margin_tablet=”” custom_margin_phone=”||0px|0px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”||0px||false|false” hover_enabled=”0″ locked=”off” global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_cta][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

          Frequently Asked Questions about the Passive Pump System (PPS)\u00a0What is a Passive Pump System (PPS)? A Passive Pump System \u2013 PPS \u2013 is a siphon pipeline with an automatic cleaning function, where natural laws do most of the work, improving and simplifying operation and maintenance.\u00a0How does a PPS work? A PPS consists of a siphon […]<\/p>\n","protected":false},"author":1,"featured_media":1967,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"[et_pb_section fb_built=\"1\" _builder_version=\"4.16\" _module_preset=\"default\" custom_padding=\"0px|||||\" global_colors_info=\"{}\"][et_pb_row _builder_version=\"4.27.2\" _module_preset=\"default\" background_enable_color=\"off\" custom_margin=\"||||false|false\" custom_padding=\"||5px||false|false\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.16\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text admin_label=\"Vanliga fr\u00e5gor\" _builder_version=\"4.27.4\" _module_preset=\"default\" header_2_line_height=\"1.2em\" custom_margin=\"||0px|15px|false|false\" custom_margin_tablet=\"\" custom_margin_phone=\"||0px|0px|false|false\" custom_margin_last_edited=\"on|phone\" custom_padding=\"||23px|0px|false|false\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]

          Vanliga fr\u00e5gor om passivpump system<\/h2>[\/et_pb_text][et_pb_text _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"]

          Vad \u00e4r ett passivpump system (PPS)?<\/h3>\r\n

          Ett passivpump system \u2013 PPS \u2013 \u00e4r en dykarledning med automatisk rensningsfunktion d\u00e4r naturlagarna g\u00f6r en stor del av jobbet och s\u00e5v\u00e4l f\u00f6rb\u00e4ttrar som f\u00f6renklar hanteringen.<\/p>[\/et_pb_text][et_pb_text _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"]

          Hur fungerar ett PPS?<\/h3>\r\n

          Ett PPS best\u00e5r av en dykarledning, en pumpenhet (tryckluftsdriven mammutpump), v\u00e4tskemagasin och ett teknikhus som inneh\u00e5ller kompressor, lufttank och styrsystem.<\/p>\r\n

            \r\n
          • V\u00e4tskan rinner med hj\u00e4lp av gravitation genom dykarledningen eftersom inloppet vid M2 \u00e4r h\u00f6gre \u00e4n utloppet vid PE<\/li>\r\n
          • Automatisk rensning sker under 1 minut en g\u00e5ng per dygn genom att \u00f6ka fl\u00f6det till sj\u00e4lvrensningshastighet d\u00e5 den tryckluftsdrivna mammutpumpen s\u00e4nker trycklinjen vid PE<\/li>\r\n
          • F\u00f6r att volym ska finnas f\u00f6r spolning anl\u00e4ggs ett magasin mellan M1 och M2 \u2013 efter avslutad rensningssekvens \u00e5terg\u00e5r systemet i passivt l\u00e4ge<\/li>\r\n<\/ul>\r\n

            \u00a0<\/p>[\/et_pb_text][et_pb_image src=\"https:\/\/passivpump.se\/wp-content\/uploads\/2021\/06\/Vattendrag-med-styrd-borrning-och-PPS.gif\" alt=\"Illustration av vattendrag med styrd borrning och PPS\" _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"][\/et_pb_image][et_pb_text _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"]

            Vad \u00e4r en dykarledning?<\/h3>\r\n

            N\u00e4r en sj\u00e4lvfallsledning kolliderar med ett hinder vill man v\u00e4ja f\u00f6r hindret och passerar d\u00e5 under detta med en dykarledning.<\/span><\/p>\r\n

            Ett s\u00e5dant hinder kan bland annat vara:<\/p>\r\n

              \r\n
            • Vattendrag<\/li>\r\n
            • V\u00e4gport eller GC-port<\/li>\r\n
            • J\u00e4rnv\u00e4gstunnel<\/li>\r\n
            • Dagvattenkulvert<\/li>\r\n<\/ul>\r\n

              En dykarledning kr\u00e4ver ingen energitillf\u00f6rsel d\u00e5 den arbetar med gravitationen. Dock har den en svaghet i att det i praktiken \u00e4r sv\u00e5rt att uppr\u00e4tth\u00e5lla dimensionerade fl\u00f6den f\u00f6r att ledningen ska vara sj\u00e4lvrensande.<\/p>\r\n

              D\u00e5 en dykarledning med tiden avlagrar slam i l\u00e5gpunkten p\u00e5 grund av ett varierande fl\u00f6de i VA-n\u00e4tet kommer den att vara igenslammad n\u00e4r ett h\u00f6gt fl\u00f6de kommer, vilket det f\u00f6rr eller senare g\u00f6r. Detta \u00e4r en k\u00e4nd problematik och den vanliga l\u00f6sningen \u00e4r oftast en traditionell pumpstation.<\/p>[\/et_pb_text][et_pb_image src=\"https:\/\/passivpump.se\/wp-content\/uploads\/2024\/11\/Vattendrag-med-dykarledning-utan-PPS-passivpump.se_stor-scaled.jpg\" alt=\"Illustration av vattendrag med styrd borrning och Passiv Pump System\" title_text=\"Vattendrag med dykarledning utan PPS passivpump.se_stor\" _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"][\/et_pb_image][et_pb_text _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"]

              Traditionell pumpstation \u2013 svaret p\u00e5 dykarledningens begr\u00e4nsning<\/h3>\r\n

              D\u00e5 den utg\u00e5ende tryckavloppsledningen \u00e4r av mindre dimension kan den f\u00f6rl\u00e4ggas som dykarledning och pumpen s\u00e4kerst\u00e4ller tillr\u00e4cklig hastighet (renshastighet) p\u00e5 v\u00e4tskan i ledningen. Dock finns en del nackdelar med denna l\u00f6sning, vilka bland annat \u00e4r:<\/span><\/p>\r\n

                \r\n
              • H\u00f6g energif\u00f6rbrukning<\/li>\r\n
              • Att ett str\u00f6mbortfall kan f\u00e5 stora konsekvenser i\u00a0form av \u00f6versv\u00e4mningar<\/li>\r\n
              • Att det kr\u00e4vs n\u00e5gon form av reservkraft f\u00f6r att f\u00f6rebygga \u00f6versv\u00e4mning vid str\u00f6mbortfall<\/li>\r\n
              • Att om en reservkraft fallerar m\u00e5ste pumpstationen vara utrustad med br\u00e4ddning (ett n\u00f6dutlopp) som g\u00f6r att avlopp leds ut orenat \u2013 ofta till n\u00e5got n\u00e4rliggande vattendrag<\/li>\r\n<\/ul>[\/et_pb_text][et_pb_image src=\"https:\/\/passivpump.se\/wp-content\/uploads\/2024\/11\/Vattendrag-med-traditionell-pumpstation-utan-PPS-passivpump.se-20241101-e1730885387743.png\" title_text=\"Vattendrag med traditionell pumpstation utan PPS passivpump.se 20241101\" _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"][\/et_pb_image][et_pb_text _builder_version=\"4.27.4\" _module_preset=\"default\" global_colors_info=\"{}\"]

                PPS \u2013 l\u00f6sningen som f\u00f6renklar och f\u00f6rb\u00e4ttrar<\/h3>\r\n

                Detta system fungerar som en dykarledning, men utan dykarledningens nackdelar!
                Ett PPS inneb\u00e4r att:<\/b><\/p>\r\n

                  \r\n
                • Vattnet rinner av sig sj\u00e4lv 99,9% av tiden<\/li>\r\n
                • Energif\u00f6rbrukningen \u00e4r minimal genom att rensningen sker under 1 minut per dygn<\/li>\r\n
                • Ett str\u00f6mbortfall f\u00e5r inga konsekvenser d\u00e5 systemet forts\u00e4tter d\u00e4r det slutade n\u00e4r str\u00f6mmen \u00e4r tillbaka<\/li>\r\n
                • Systemet kan aldrig br\u00e4dda<\/li>\r\n<\/ul>\r\n

                  Ett PPS \u00e4r inte k\u00e4nsligt f\u00f6r s\u00e4ttningar \u2013 dykarledningen kan s\u00e5ledes s\u00e4tta sig b\u00e4st den vill. En djupare dykarledning p\u00e5verkar inte funktionen.<\/p>\r\n

                  Ett PPS kan dock inte lyfta vattenniv\u00e5n \u2013 f\u00f6r detta \u00e4r ist\u00e4llet en traditionell pumpstation l\u00f6sningen.<\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.16\" _module_preset=\"default\" custom_margin=\"20px||||false|false\" custom_padding=\"||5px||false|false\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.16\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_cta title=\"Vanliga applikationer\" button_url=\"@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6Ijk2NiJ9fQ==@\" button_text=\"L\u00e4s mer om vanliga applikationer\" admin_label=\"Rubrik & Text\" _builder_version=\"4.16\" _dynamic_attributes=\"button_url\" _module_preset=\"default\" use_background_color=\"off\" text_orientation=\"left\" background_layout=\"light\" custom_margin=\"||0px|15px|false|false\" custom_margin_tablet=\"\" custom_margin_phone=\"||0px|0px|false|false\" custom_margin_last_edited=\"on|phone\" custom_padding=\"||0px||false|false\" locked=\"off\" global_colors_info=\"{}\"][\/et_pb_cta][\/et_pb_column][\/et_pb_row][\/et_pb_section]","_et_gb_content_width":"","footnotes":""},"class_list":["post-1968","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nWhat is PPS? - Passivpump System<\/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:\/\/passivpump.se\/en\/what-is-pps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is PPS? - Passivpump System\" \/>\n<meta property=\"og:description\" content=\"Frequently Asked Questions about the Passive Pump System (PPS)\u00a0What is a Passive Pump System (PPS)? A Passive Pump System \u2013 PPS \u2013 is a siphon pipeline with an automatic cleaning function, where natural laws do most of the work, improving and simplifying operation and maintenance.\u00a0How does a PPS work? 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