{"id":13955,"date":"2024-02-06T11:34:29","date_gmt":"2024-02-06T10:34:29","guid":{"rendered":"https:\/\/mag.ebmpapst.com\/en\/?p=13955"},"modified":"2024-12-13T15:00:40","modified_gmt":"2024-12-13T14:00:40","slug":"team-players-for-efficient-cooling-towers","status":"publish","type":"post","link":"https:\/\/mag.ebmpapst.com\/en\/industries\/refrigeration-ventilation\/team-players-for-efficient-cooling-towers_13955\/","title":{"rendered":"FanGrid for an effi\u00adcient cooling tower"},"content":{"rendered":"\n<p>Fans in cooling towers are respon\u00adsible for effi\u00adciently dissi\u00adpating heat to the envi\u00adron\u00adment; in partic\u00adular, heat gener\u00adated when a process, system or building is cooled using water. At the same time, the fans that are used must be extremely rugged because they have to with\u00adstand high humidity levels, various envi\u00adron\u00admental influ\u00adences and rapid changes in temper\u00ada\u00adture. And last but not least, they must be as quiet as possible \u2013 partic\u00adu\u00adlarly if the cooling towers are located near resi\u00adden\u00adtial areas or mixed-use zones. Several smaller fans provide bene\u00adfits: flex\u00adibly arranged for a compact design and consis\u00adtant air distri\u00adb\u00adu\u00adtion.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull mgznkr-cta-retrofit-banner\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<style>\n.mgznkr-cta-retrofit-banner .alignwide.banner-width {\n  max-width: 100%;\n  width: 1240px;\n  margin: 0 auto;\n--mark-bgcolor: #00a633;\n--mark-color: white;\n}\n@media (max-width: 781px) {\n.mgznkr-cta-retrofit-banner .wp-block-cover .wp-block-cover__image-background {\nobject-position: 17% 50%!important;\n}\n.mgznkr-column-spacer p {display: none; }\n}\n@media (min-width: 782px) {\n.mgznkr-column-spacer p a {\n  min-height: 290px;\n  min-width: 100%;\n  display: block;\n  border-radius: 50px;\nfont-size: 0;\n}\n}\n<\/style>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:350px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#e0e6e6\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-36590\" alt src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2024\/12\/2412_Banner-Retrofit-1.jpg\" data-object-fit=\"cover\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-columns alignwide banner-width is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:560px\">\n<h2 class=\"wp-block-heading mgznkr-click has-white-color has-text-color has-link-color wp-elements-98ef17eb21ecd509a55e5e5eacc3f4f6\" id=\"retrofit-banner-head\" style=\"font-size:1.6em;text-transform:uppercase\"><mark><a href=\"https:\/\/www.ebmpapst.com\/de\/en\/industries\/fanupgrade.html#download\" target=\"_blank\" rel=\"noreferrer noopener\">More effi\u00adciency, less costs: Retrofit<\/a><\/mark><\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading no-margin-top\" style=\"font-size:1em\">Retrofit of fans with ebm-papst<\/h3>\n\n\n\n<p>Retro\u00adfitting existing fans in venti\u00adlation and cooling systems with effi\u00adcient EC fans and demand-based oper\u00ada\u00adtion can save up to 60 % energy and costs \u2013 and protect the envi\u00adron\u00adment at the same time.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size is-style-fill mgznkr-click\" id=\"retrofit-banner-button\" style=\"font-size:18px\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.ebmpapst.com\/de\/en\/industries\/fanupgrade.html#download\" style=\"background-color:#0072bb\" target=\"_blank\" rel=\"noreferrer noopener\">Find more infor\u00adma\u00adtion here <i class=\"mgznkr-icon fa fa-chevron-right fas\"><\/i><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column mgznkr-column-spacer is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:55%\">\n<p class=\"mgznkr-click\" id=\"retrofit-banner-img\"><a href=\"https:\/\/www.ebmpapst.com\/de\/en\/industries\/fanupgrade.html#download\" target=\"_blank\" rel=\"noreferrer noopener\">More effi\u00adciency, less costs: Retro\u00adfitting fans with ebm-papst<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:36px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">See what an effi\u00adcient retrofit of a cooling tower can look like at KINFIT:<\/h3>\n\n\n\n<div class=\"wp-block-group alignwide mgznkr-elements mgznkr-box\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"video-container\"><iframe loading=\"lazy\" width=\"660\" height=\"374\" data-youtube=\"o51S-iyX7RQ\" src=\"\/\/www.youtube-nocookie.com\/embed\/o51S-iyX7RQ?rel=0&amp;theme=dark&amp;autohide=1&amp;showinfo=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/div>\n\n\n\n\n<p>The retrofit was completed in just seven hours. One belt-driven AC fan was replaced by two effi\u00adcient AxiBlade fans. The result: energy savings of more than 50 percent. (Video | ebm-papst)<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">More fans, more bene\u00adfits: the FanGrid<\/h2>\n\n\n\n<p>With conven\u00adtion\u00adally struc\u00adtured cooling towers, it is becoming more and more diffi\u00adcult to satisfy these require\u00adments completely. In order to generate high air flow, very large fans are typi\u00adcally used. They are driven by trans\u00admis\u00adsions or belts from an AC motor. Due to the weight of the large single fans, they have a solid design and cannot be installed until they reach the construc\u00adtion site. This makes it virtu\u00adally impos\u00adsible to precisely balance the rotating impeller, which frequently leads to prema\u00adture fail\u00adures in oper\u00ada\u00adtion. Such fans often run in two-phase, star\/delta or on\/off oper\u00ada\u00adtion.<\/p>\n\n\n\n<p>In addi\u00adtion, the corners of the cooling tower do not have uniform through-flow and the towers also end up being very high because to achieve even through-flow, there must be a large space between the fan and the heat exchanger nozzles. The ebm-papst approach includes replacing the large fan with several smaller fans running in parallel oper\u00ada\u00adtion (a FanGrid), which trans\u00adlates into several bene\u00adfits in prac\u00adtice.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full text-on-image text-on-image-right\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design.jpg\" alt class=\"wp-image-13968\" srcset=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design.jpg 1024w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design-260x147.jpg 260w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design-660x373.jpg 660w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design-960x542.jpg 960w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design-450x254.jpg 450w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_2_Compact-design-300x169.jpg 300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\"><mark>Several smaller fans provide bene\u00adfits: they can be flex\u00adibly arranged next to each other and the intake-side distance can be reduced, enabling a more compact design.<\/mark><\/figcaption><\/figure>\n\n\n\n<p class=\"has-text-align-right like-figcaption alignwide\">(Graphic | ebm-papst)<\/p>\n\n\n\n<p>The indi\u00advidual fans can be stacked or arranged in rows to use the avail\u00adable space to maximum advan\u00adtage (see graphic above). Due to the fans\u2019 small diam\u00ade\u00adters, cooling towers can be built more compactly and depending on the floor space, have a rectan\u00adgular or square cross-section. Smaller fans are easier to handle than one large fan. The latter benefit makes trans\u00adport and instal\u00adla\u00adtion easier, but is also a major advan\u00adtage when replacing the fans.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">EC fans for effi\u00adcient cooling towers<\/h2>\n\n\n\n<p>And until a fan is replaced, the cooling tower can operate normally. The speed of the other fans is simply adjusted to main\u00adtain constant air perfor\u00admance. During the design process, the rele\u00advant redun\u00addancy require\u00adments can be taken into account. In addi\u00adtion, the air distri\u00adb\u00adu\u00adtion is much more even when several fans are used (see graphic below). Flow-through is more uniform for all compo\u00adnents and disad\u00advan\u00adta\u00adgeous dead zone are reduced.<\/p>\n\n\n<div class=\"wp-block-image xxtra wp-image-13969 size-full\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"284\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN-660x284.jpg\" alt class=\"wp-image-13969\" srcset=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN-660x284.jpg 660w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN-260x112.jpg 260w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN-960x413.jpg 960w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN-450x193.jpg 450w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN-300x129.jpg 300w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Fig_3_Velocity_EN.jpg 1024w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\"><figcaption class=\"wp-element-caption\">Air flow compar\u00adison: The air distri\u00adb\u00adu\u00adtion in a FanGrid (right) is much more even; all compo\u00adnents receive a more uniform flow-through. (Graphic | ebm-papst)<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Today, the bene\u00adfits of a FanGrid can be lever\u00adaged in a wide range of appli\u00adca\u00adtions. Motor and fan specialist ebm-papst provides FanGrid fans for cooling towers in axial or centrifugal design, for example. This means that different require\u00adments for pres\u00adsure increase and air flow can be satis\u00adfied.<\/p>\n\n\n\n<p><strong>Axial fans<\/strong> show their strengths when high air flow and moderate pres\u00adsure increase are required: for inlet oper\u00ada\u00adtion, for example. <strong>Centrifugal fans <\/strong>are designed for high back pres\u00adsure and are recom\u00admended for pres\u00adsure oper\u00ada\u00adtion. A wide range of sizes with a variety of diam\u00ade\u00adters is also avail\u00adable. ebm-papst has a flex\u00adible selec\u00adtion tool to help customers find the optimal combi\u00adna\u00adtion of fans for a wide range of appli\u00adca\u00adtions: the ebm-papst FanScout. <\/p>\n\n\n<div class=\"wp-block-image wp-image-13966 size-article-450\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"372\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac-660x372.jpg\" alt class=\"wp-image-13966\" srcset=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac-660x372.jpg 660w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac-260x147.jpg 260w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac-960x541.jpg 960w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac-450x254.jpg 450w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac-300x169.jpg 300w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2019\/10\/Bild_4_AxiBlade-RadiPac.jpg 1023w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\"><figcaption class=\"wp-element-caption\">FanGrid fans for cooling tower appli\u00adca\u00adtions come in either axial or centrifugal design. (Image | ebm-papst)<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">The flex\u00adible selec\u00adtion tool: FanScout<\/h2>\n\n\n\n<div class=\"wp-block-group mgznkr-elements mgznkr-box mgznkr-box-right\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h4 class=\"wp-block-heading no-clear\">Check out the new FanScout: now in the browser!<\/h4>\n\n\n<div class=\"wp-block-image no-clear\">\n<figure class=\"aligncenter size-thumbnail is-resized\"><a href=\"https:\/\/www.ebmpapst.com\/de\/en\/campaigns\/industry-campaigns\/fanscout.html\"><img loading=\"lazy\" decoding=\"async\" width=\"260\" height=\"260\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/11\/ebm-papst_FanScout_mockup_laptop_EN_600-600-260x260.jpg\" alt class=\"wp-image-18339\" style=\"width:206px;height:auto\" srcset=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/11\/ebm-papst_FanScout_mockup_laptop_EN_600-600-260x260.jpg 260w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/11\/ebm-papst_FanScout_mockup_laptop_EN_600-600-300x300.jpg 300w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/11\/ebm-papst_FanScout_mockup_laptop_EN_600-600-450x450.jpg 450w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/11\/ebm-papst_FanScout_mockup_laptop_EN_600-600.jpg 600w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\"><\/a><\/figure>\n<\/div>\n\n\n<p>Are you looking for the right fan for your appli\u00adca\u00adtion? Then use the new FanScout.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ebmpapst.com\/de\/en\/campaigns\/industry-campaigns\/fanscout.html\">The easiest way to the best result.<\/a><\/p>\n<\/div><\/div>\n\n\n\n<p>Based on up to five appli\u00adca\u00adtion-specific oper\u00adating points and the antic\u00adi\u00adpated oper\u00adating times, this soft\u00adware deter\u00admines the most effi\u00adcient FanGrid solu\u00adtion. The amount of instal\u00adla\u00adtion space avail\u00adable, maximum number of fans required and redun\u00addancy require\u00adments can also be taken into account. And there is also an option to deter\u00admine the life cycle costs of the best combi\u00adna\u00adtion. <\/p>\n\n\n\n<p>In this way, users receive a reli\u00adable, robust cost break\u00addown upon which they can base their invest\u00adment and modern\u00adiza\u00adtion deci\u00adsions. Sustain\u00adability factors can also be taken into account in FanScout. With the sustain\u00adability report, CO<sub>2<\/sub> emis\u00adsions are deter\u00admined and compared using the auto\u00admat\u00adi\u00adcally calcu\u00adlated energy consump\u00adtion of the fans.<\/p>\n\n\n\n<h2 class=\"wp-block-heading no-clear\">Save energy and monitor consump\u00adtion<\/h2>\n\n\n\n<p>The driving force behind cooling tower fans are modern EC drives that func\u00adtion highly energy effi\u00adciently in full and partial-load oper\u00ada\u00adtion, are designed for long service lives and feature infi\u00adnitely vari\u00adable speed control. This ensures a constant air perfor\u00admance under all condi\u00adtions. With over 90% effi\u00adciency, the motors deliver much more than the values required in effi\u00adciency class IE4. The flow machine design also contributes to increased effi\u00adciency and quiet oper\u00ada\u00adtion. Prob\u00adlems due to noise protec\u00adtion regu\u00adla\u00adtions are a thing of the past.<\/p>\n\n\n\n<p>An example appli\u00adca\u00adtion shows that the energy savings pay in prac\u00adtice. Instead of one large fan with a diam\u00adeter of 2,100 mm, four axial fans with a diam\u00adeter of 910 mm each were installed in a cooling tower to generate the same air flow of 87,040 m\u00b3\/h at a static pres\u00adsure of 100 Pa. This enabled power consump\u00adtion to drop from 7.8 kW to just under 5.3 kW (four times 1.32 kW). In total, the retrofit meant annual energy savings of almost 22,000 kWh for the oper\u00adator.<\/p>\n\n\n\n<p>For rota\u00adtion moni\u00adtoring, the fans can be contin\u00adu\u00adously moni\u00adtored via an ebm-papst cloud connec\u00adtion. In the process, internal measured values such as speed, motor temper\u00ada\u00adture and vibra\u00adtion values are read out and trans\u00admitted to the ebm-papst cloud. Users always have an eye on the FanGrid fans and if neces\u00adsary, can plan preven\u00adtive main\u00adte\u00adnance on their cooling towers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Success\u00adfully tested under extreme condi\u00adtions<\/h2>\n\n\n\n<p>To with\u00adstand the high humidity and rapid changes in temper\u00ada\u00adture common for use in cooling towers, the fans have extremely rugged designs. All compo\u00adnents are protected by special coat\u00adings. The fan series have proven their resis\u00adtance under extreme test condi\u00adtions. In the ebm-papst testing center they pass through salt spray tests, vibra\u00adtion and shock tests, propri\u00adetary corro\u00adsion and mois\u00adture tests for qual\u00adi\u00adfi\u00adca\u00adtion. This also includes specially devel\u00adoped tests that take over six months to complete.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Find out how this envi\u00adron\u00admental simu\u00adla\u00adtion works in our series about the ebm-papst testing center:<\/h3>\n\n\n\n<div class=\"wp-block-group mgznkr-elements mgznkr-box prueffelder-box\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading\">Exclu\u00adsive insights into all test fields<\/h4>\n\n\n\n<p>Learn more about how ebm-papst puts fans to the test in the indi\u00advidual test fields. Each article with exciting insights, videos and pictures!<\/p>\n\n\n\n<div class=\"wp-block-group teaser-box\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centergive-it-a-shake-test-field-shock-and-vibration_17802\/\"><img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"440\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/08\/ebm-papst_Eprobungszentrum_Station_Vibration_660-440.jpg\" alt class=\"wp-image-17849\" srcset=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/08\/ebm-papst_Eprobungszentrum_Station_Vibration_660-440.jpg 660w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/08\/ebm-papst_Eprobungszentrum_Station_Vibration_660-440-260x173.jpg 260w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/08\/ebm-papst_Eprobungszentrum_Station_Vibration_660-440-450x300.jpg 450w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/08\/ebm-papst_Eprobungszentrum_Station_Vibration_660-440-300x200.jpg 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\"><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centergive-it-a-shake-test-field-shock-and-vibration_17802\/\" data-type=\"URL\" data-id=\"https:\/\/mag.ebmpapst.com\/de\/?p=28213\">Shock and vibra\u00adtion<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insights-into-our-testing-centerfrom-the-tropics-to-the-arctic-and-back-climate-test-bay_17860\/\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/06\/00_Erprobungszentrum_Hollenbach_ebm-papst_Klima_960-640-660x440.jpg\" alt class=\"wp-image-28331\"><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insights-into-our-testing-centerfrom-the-tropics-to-the-arctic-and-back-climate-test-bay_17860\/\">Climate<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centerfeeling-giddy-test-bay-impeller-strength-spin-and-cycle-test_17862\/\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/06\/00_Erprobungszentrum_Hollenbach_ebm-papst_Radfestigkeit_Schleuder-Zyklustest_960-640-660x440.jpg\" alt class=\"wp-image-28333\"><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centerfeeling-giddy-test-bay-impeller-strength-spin-and-cycle-test_17862\/\">impeller strength, spin and cycle test<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centerits-getting-wet-ip-protection-class-water-test-bay_17870\/\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/06\/00_Erprobungszentrum_Hollenbach_ebm-papst_Wasser-IP_960-640-660x440.jpg\" alt class=\"wp-image-28334\"><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centerits-getting-wet-ip-protection-class-water-test-bay_17870\/\" data-type=\"post\" data-id=\"17870\">IP protec\u00adtion class Water<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centereliminating-corrosion-test-bay-for-salt-spray_17943\/\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/06\/00_Erprobungszentrum_Hollenbach_ebm-papst_Salznebel_960-640-660x440.jpg\" alt class=\"wp-image-28335\"><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centereliminating-corrosion-test-bay-for-salt-spray_17943\/\" data-type=\"post\" data-id=\"17943\">Salt spray<\/a><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centertested-to-the-max-accelerated-service-life-tests_17969\/\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/06\/00_Erprobungszentrum_Hollenbach_ebm-papst_Lebensdauertest_960-640-660x440.jpg\" alt class=\"wp-image-28336\"><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/mag.ebmpapst.com\/en\/insights\/insight-into-our-testing-centertested-to-the-max-accelerated-service-life-tests_17969\/\" data-type=\"post\" data-id=\"17969\">Accel\u00ader\u00adated service life tests<\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<style>\n.prueffelder-box .wp-block-image:not(.alignfull) figcaption::after,\n.prueffelder-box .wp-block-image:not(.alignfull) a + figcaption::before{\n  background: transparent;\n}\n.prueffelder-box{\n  counter-reset: section;\n}\n\n.prueffelder-box figure.wp-block-image:not(.alignfull),\n.prueffelder-box .wp-block-image img + figcaption::before{\n  position: relative;\n}\n\n.prueffelder-box figure.wp-block-image:not(.alignfull)::before{\n  counter-increment: section;\n  font-family: \"NeueHelvetica67CondensedMedium\";\n  font-size: 1em;\n  padding-left: 0.5em;\n  padding-top: .4em;\n  content:counter(section);\n  display:inline;\n  position: absolute;\n  text-decoration: none;\n  top: -0.5em;\n  left: -0.5em;\n  background-color: #007dc6;\n  color: #fff;\n  border-radius: 50%;\n  width: 1.5em;\n  height: 1.5em;\n  z-index: 20;\n  line-height: 1;\n  \n}\n\n.prueffelder-box .wp-block-image:not(.alignfull) figcaption a::after{\n  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-5em;\n  text-align: center;\n}\n.prueffelder-box .teaser-box > .wp-block-group__inner-container{\n  padding: 12px;\n}\n.prueffelder-box .teaser-box > div{\n  display: flex;\n  flex-wrap: wrap;\n  gap: 1em;\n  justify-content: space-evenly;\n}\n.prueffelder-box .teaser-box figure{\n  flex-basis: calc(33.33% - 1em);\n  flex-grow: 1;\n  flex-shrink: 1;\n  max-width: 225px;\n  min-width: 170px;\n}\n<\/style>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Fans in cooling towers are respon\u00adsible for effi\u00adciently dissi\u00adpating heat to the envi\u00adron\u00adment; in partic\u00adular, heat gener\u00adated when a process, system or building is cooled using water. At the same time, the fans that are used must be extremely rugged because they have to with\u00adstand high humidity levels, various envi\u00adron\u00admental influ\u00adences and rapid changes in [\u2026]<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"wp_typography_post_enhancements_disabled":false,"footnotes":""},"categories":[16,9],"tags":[144,216,31,146],"class_list":["post-13955","post","type-post","status-publish","format-standard","hentry","category-fans","category-refrigeration-ventilation","tag-cooling","tag-cooling-tower","tag-ec-fan","tag-fangrid"],"acf":[],"_links":{"self":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts\/13955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/comments?post=13955"}],"version-history":[{"count":28,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts\/13955\/revisions"}],"predecessor-version":[{"id":21112,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts\/13955\/revisions\/21112"}],"wp:attachment":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/media?parent=13955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/categories?post=13955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/tags?post=13955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}