PageSourceSearch

https://muellerwaterproducts.com/news/understanding-butterfly-valves-data-center-cooling-applications

html muellerwaterproducts.com collected 2026-09-25 20:49:33 UTC 39,981 bytes, 323 lines download raw bytes

1<!DOCTYPE html>
2<!--[if IEMobile 7]><html class="iem7" lang="en" dir="ltr"><![endif]-->
3<!--[if lte IE 6]><html class="lt-ie9 lt-ie8 lt-ie7" lang="en" dir="ltr"><![endif]-->
4<!--[if (IE 7)&(!IEMobile)]><html class="lt-ie9 lt-ie8" lang="en" dir="ltr"><![endif]-->
5<!--[if IE 8]><html class="lt-ie9" lang="en" dir="ltr"><![endif]-->
6<!--[if (gte IE 9)|(gt IEMobile 7)]><!-->
7<html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema#"><!--<![endif]-->
8
9  <head>
10    
10<script type="text/javascript"  id="Cookiebot" src="https://consent.cookiebot.com/uc.js" data-cbid="f132ebed-bce2-4fec-91ba-82541fc39c93" data-blockingmode="auto"></script>
10
11<meta charset="utf-8" />
12<link rel="shortcut icon" href="https://muellerwaterproducts.com/sites/default/files/favicon_0.ico" type="image/vnd.microsoft.icon" />
13<meta name="viewport" content="width=device-width, initial-scale=1" />
14<meta name="description" content="Why it’s critical to use the proper industrial valves for this harsh environment for the safety of operations and equipment.LARGE DATA CENTERS ARE DENSE, POWER-HUNGRY ENVIRONMENTS where GPU-laden racks can draw 50 kW or more per cabinet, resulting in heat loads that conventional air cooling simply cannot manage." />
15<meta name="MobileOptimized" content="width" />
16<meta name="HandheldFriendly" content="true" />
17<meta name="apple-mobile-web-app-capable" content="yes" />
18<meta name="generator" content="Drupal 7 (https://www.drupal.org)" />
19<link rel="canonical" href="https://muellerwaterproducts.com/news/understanding-butterfly-valves-data-center-cooling-applications" />
20<link rel="shortlink" href="https://muellerwaterproducts.com/node/1558" />
21    <title>Understanding Butterfly Valves in Data Center Cooling Applications | Mueller Water Products</title>
22    <meta http-equiv="X-UA-Compatible" content="IE=9" />
23    <link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css" media="all" />
24<link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_-4n9UexiY4CdjTmlSGgFSZ8qmLVhMYSGr5ewEXTXfM8.css" media="all" />
25<link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_lI8ow4L94hXWytr8U9UidRHARg4wIQZnx-dNF7gN4ZU.css" media="all" />
26<link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_Q0f0mZmKekkDxUuE0rUMaDgKggCAQo8l6YUDgbGT1Rc.css" media="screen" />
27<link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_5sbDZ7lMu9VFJvpWHiOC-Pv4D4WDKViAWzDqph6vzm0.css" media="all" />
28<link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_H2wPUeRQWJCnNBixlpSFVQ17rtD1_tHEC8fnWHNEr5w.css" media="only screen" />
29<link type="text/css" rel="stylesheet" href="https://muellerwaterproducts.com/sites/default/files/css/css_S2BTXxkKTveMMKVUZS7HiUnqmhzq21UTQ3BGxP_1iVU.css" media="all" />
30<link type="text/css" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:700&amp;subset=latin" media="all" />
31    <link rel="stylesheet" href="https://muellerwaterproducts.com/sites/all/modules/custom/mueller-ribbon/css/ribbon.css">
32    <!-- For Multiview Advertising, DO NOT REMOVE - place this code in the header of your domain -->
33    
33<script src="https://assets.adobedtm.com/175f7caa2b90/bfaec38c3593/launch-31d9b3eea18c.min.js" async></script>
33
34    
34<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_jVVLcsVqvM5e7Z9GpUK4u1N5sH_2-YRHMn094L0Talg.js"></script>
vendor: 1 bytes, line 34
34
35<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_YD9ro0PAqY25gGWrTki6TjRUG8TdokmmxjfqpNNfzVU.js"></script>
vendor: 1 bytes, line 35
35
36<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_OleKOf9_B3i8KMuL1Hw42y0CdgVBVJBkK2f0bnCIGKY.js"></script>
vendor: 1 bytes, line 36
36
37<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_H4cLI1G_0G_POVnWiEdfJq6oSwOGf24qJnZVrlNaKxg.js"></script>
vendor: 1 bytes, line 37
37
38<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_jv5eubMyKgSmMgiMQ9hSIXkLLsCCYA3j4oprIFZKuk8.js"></script>
vendor: 81 bytes, lines 38-39
38
39<script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=
39G-387584500
vendor: 12 bytes, line 39
39"></script>
40<script type="text/javascript">
41<!--//--><![CDATA[//><!--
42window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments)};gtag("js", new Date());gtag("set", "developer_id.dMDhkMT", true);gtag("config", "G-387584500", {"groups":"default","anonymize_ip":true});gtag("config", "UA-33630600-1", {"groups":"default","anonymize_ip":true});
43//--><!]]>
44</script>
vendor: 1 bytes, line 44
44
45<script type="text/javascript" src="https://use.typekit.com/nao4qeb.js"></script>
vendor: 1 bytes, line 45
45
46<script type="text/javascript">
47<!--//--><![CDATA[//><!--
48try{Typekit.load();}catch(e){}
49//--><!]]>
50</script>
vendor: 1 bytes, line 50
50
51<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_4ZCOmlI8gER19maduu9RbYONca3c2vH3wkPcoOP2zpg.js"></script>
vendor: 1 bytes, line 51
51
52<script type="text/javascript" src="https://muellerwaterproducts.com/sites/default/files/js/js_k0Lp5aEHhz4mb2TPsQmjDA3pH_R1vGYhSJS3CR7BFVo.js"></script>
vendor: 1 bytes, line 52
52
53<script type="text/javascript">
54<!--//--><![CDATA[//><!--
55jQuery.extend(Drupal.settings, {"basePath":"\/","pathPrefix":"","setHasJsCookie":0,"ajaxPageState":{"theme":"mueller","theme_token":"emNZRAERBF-r995bufCLQtg66CC9WBi8xW9yBlfck-8","js":{"https:\/\/muellerwaterproducts.com\/sites\/default\/files\/google_tag\/www_muellerlwaterproducts_com\/google_tag.script.js":1,"misc\/jquery.js":1,"misc\/jquery-extend-3.4.0.js":1,"misc\/jquery-html-prefilter-3.5.0-backport.js":1,"misc\/jquery.once.js":1,"misc\/drupal.js":1,"misc\/jquery.cookie.js":1,"misc\/form-single-submit.js":1,"sites\/all\/modules\/admin_menu\/admin_devel\/admin_devel.js":1,"sites\/all\/modules\/entityreference\/js\/entityreference.js":1,"sites\/all\/modules\/jcaption\/jcaption.js":1,"sites\/all\/modules\/lightbox2\/js\/lightbox_video.js":1,"sites\/all\/modules\/lightbox2\/js\/lightbox.js":1,"sites\/all\/modules\/responsive_menus\/styles\/responsive_menus_simple\/js\/responsive_menus_simple.js":1,"sites\/all\/modules\/cookiebot\/js\/cookiebot.js":1,"sites\/all\/modules\/google_analytics\/googleanalytics.js":1,"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-387584500":1,"0":1,"https:\/\/use.typekit.com\/nao4qeb.js":1,"1":1,"sites\/all\/libraries\/superfish\/jquery.hoverIntent.minified.js":1,"sites\/all\/libraries\/superfish\/sftouchscreen.js":1,"sites\/all\/libraries\/superfish\/sfsmallscreen.js":1,"sites\/all\/libraries\/superfish\/superfish.js":1,"sites\/all\/libraries\/superfish\/supersubs.js":1,"sites\/all\/modules\/superfish\/superfish.js":1,"sites\/all\/themes\/mueller-theme\/js\/mueller-script.js":1},"css":{"modules\/system\/system.base.css":1,"modules\/system\/system.menus.css":1,"modules\/system\/system.messages.css":1,"modules\/system\/system.theme.css":1,"modules\/comment\/comment.css":1,"modules\/field\/theme\/field.css":1,"sites\/all\/modules\/footer_sitemap\/footer_sitemap.css":1,"sites\/all\/modules\/logintoboggan\/logintoboggan.css":1,"sites\/all\/modules\/custom\/mueller-ribbon\/css\/mueller_sites.css":1,"modules\/node\/node.css":1,"modules\/search\/search.css":1,"modules\/user\/user.css":1,"sites\/all\/modules\/views\/css\/views.css":1,"sites\/all\/modules\/cookiebot\/css\/cookiebot.css":1,"sites\/all\/modules\/media\/modules\/media_wysiwyg\/css\/media_wysiwyg.base.css":1,"sites\/all\/modules\/ctools\/css\/ctools.css":1,"sites\/all\/modules\/lexicon\/css\/lexicon.css":1,"sites\/all\/modules\/lightbox2\/css\/lightbox.css":1,"sites\/all\/modules\/panels\/css\/panels.css":1,"sites\/all\/modules\/panels\/plugins\/layouts\/onecol\/onecol.css":1,"sites\/all\/modules\/date\/date_api\/date.css":1,"sites\/all\/modules\/responsive_menus\/styles\/responsive_menus_simple\/css\/responsive_menus_simple.css":1,"sites\/all\/libraries\/superfish\/css\/superfish.css":1,"sites\/all\/libraries\/superfish\/style\/default.css":1,"sites\/all\/themes\/adaptivetheme\/at_core\/css\/at.layout.css":1,"sites\/all\/themes\/mueller-theme\/css\/global.base.css":1,"sites\/all\/themes\/mueller-theme\/css\/global.styles.css":1,"sites\/all\/themes\/mueller-theme\/css\/font-awesome-4.3\/css\/font-awesome.min.css":1,"public:\/\/adaptivetheme\/mueller_files\/mueller.responsive.layout.css":1,"public:\/\/adaptivetheme\/mueller_files\/mueller.responsive.styles.css":1,"sites\/default\/files\/fontyourface\/font.css":1,"https:\/\/fonts.googleapis.com\/css?family=Open+Sans:700\u0026subset=latin":1}},"jcaption":{"jcaption_selectors":[".field-name-body img"],"jcaption_alt_title":"title","jcaption_requireText":1,"jcaption_copyStyle":1,"jcaption_removeStyle":0,"jcaption_removeClass":0,"jcaption_removeAlign":0,"jcaption_copyAlignmentToClass":0,"jcaption_copyFloatToClass":1,"jcaption_copyClassToClass":1,"jcaption_autoWidth":1,"jcaption_keepLink":0,"jcaption_styleMarkup":"font-size: 12px; color: #6B7B84; text-align: left; margin-top: 10px; margin-bottom: 0px;","jcaption_animate":0,"jcaption_showDuration":"200","jcaption_hideDuration":"200"},"lightbox2":{"rtl":0,"file_path":"\/(\\w\\w\/)public:\/","default_image":"\/sites\/all\/modules\/lightbox2\/images\/brokenimage.jpg","border_size":10,"font_color":"000","box_color":"fff","top_position":"","overlay_opacity":"0.8","overlay_color":"000","disable_close_click":1,"resize_sequence":0,"resize_speed":400,"fade_in_speed":400,"slide_down_speed":600,"use_alt_layout":0,"disable_resize":1,"disable_zoom":1,"force_show_nav":0,"show_caption":1,"loop_items":0,"node_link_text":"View Image Details","node_link_target":0,"image_count":"","video_count":"Video !current of !total","page_count":"Page !current of !total","lite_press_x_close"
55:"press \u003Ca href=\u0022#\u0022 onclick=\u0022hideLightbox(); return FALSE;\u0022\u003E\u003Ckbd\u003Ex\u003C\/kbd\u003E\u003C\/a\u003E to close","download_link_text":"","enable_login":false,"enable_contact":false,"keys_close":"c x 27","keys_previous":"p 37","keys_next":"n 39","keys_zoom":"z","keys_play_pause":"32","display_image_size":"original","image_node_sizes":"()","trigger_lightbox_classes":"","trigger_lightbox_group_classes":"","trigger_slideshow_classes":"","trigger_lightframe_classes":"","trigger_lightframe_group_classes":"","custom_class_handler":0,"custom_trigger_classes":"","disable_for_gallery_lists":true,"disable_for_acidfree_gallery_lists":true,"enable_acidfree_videos":true,"slideshow_interval":5000,"slideshow_automatic_start":true,"slideshow_automatic_exit":true,"show_play_pause":true,"pause_on_next_click":false,"pause_on_previous_click":true,"loop_slides":false,"iframe_width":600,"iframe_height":400,"iframe_border":1,"enable_video":1,"useragent":"Mozilla\/5.0 (compatible; MJ12bot\/v2.0.7; http:\/\/mj12bot.com\/)","flvPlayer":"\/","flvFlashvars":""},"responsive_menus":[{"toggler_text":"\u2630 Our Brands","selectors":["#block-menu-menu-ribbon"],"media_size":"1025","media_unit":"px","absolute":"1","remove_attributes":"1","responsive_menus_style":"responsive_menus_simple"}],"cookiebot":{"message_placeholder_cookieconsent_optout_marketing_show":false,"message_placeholder_cookieconsent_optout_marketing":"\u003Cdiv class=\u0022cookiebot cookieconsent-optout-marketing\u0022\u003E\r\n\t\u003Cdiv class=\u0022cookieconsent-optout-marketing__inner\u0022\u003E\r\n\t\t\u003Cp\u003EPlease \u003Ca href=\u0022!cookiebot_renew\u0022 class=\u0022cookieconsent-optout-marketing__cookiebot-renew\u0022\u003Eaccept marketing-cookies\u003C\/a\u003E to view this embedded content from \u003Ca href=\u0022!cookiebot_from_src_url\u0022 target=\u0022_blank\u0022 class=\u0022cookieconsent-optout-marketing__from-src-url\u0022\u003E!cookiebot_from_src_url\u003C\/a\u003E\u003C\/p\u003E\n\t\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n"},"googleanalytics":{"account":["G-387584500","UA-33630600-1"],"trackOutbound":1,"trackMailto":1,"trackDownload":1,"trackDownloadExtensions":"7z|aac|arc|arj|asf|asx|avi|bin|csv|doc(x|m)?|dot(x|m)?|exe|flv|gif|gz|gzip|hqx|jar|jpe?g|js|mp(2|3|4|e?g)|mov(ie)?|msi|msp|pdf|phps|png|ppt(x|m)?|pot(x|m)?|pps(x|m)?|ppam|sld(x|m)?|thmx|qtm?|ra(m|r)?|sea|sit|tar|tgz|torrent|txt|wav|wma|wmv|wpd|xls(x|m|b)?|xlt(x|m)|xlam|xml|z|zip"},"urlIsAjaxTrusted":{"\/search\/node":true,"\/news\/understanding-butterfly-valves-data-center-cooling-applications":true},"superfish":{"1":{"id":"1","sf":{"animation":{"opacity":"show"},"speed":"\u0027fast\u0027","autoArrows":false,"dropShadows":true,"disableHI":false},"plugins":{"touchscreen":{"mode":"useragent_custom","useragent":"iphone|android|ipad"},"smallscreen":{"mode":"window_width","breakpoint":751,"addSelected":false,"menuClasses":false,"hyperlinkClasses":false,"title":"Main menu"},"supposition":false,"bgiframe":false,"supersubs":{"minWidth":"12","maxWidth":"27","extraWidth":1}}}},"adaptivetheme":{"mueller":{"layout_settings":{"bigscreen":"three-col-grail","tablet_landscape":"three-col-grail","tablet_portrait":"one-col-vert","smalltouch_landscape":"one-col-vert","smalltouch_portrait":"one-col-stack"},"media_query_settings":{"bigscreen":"only screen and (min-width:1025px)","tablet_landscape":"only screen and (min-width:769px) and (max-width:1024px)","tablet_portrait":"only screen and (min-width:481px) and (max-width:768px)","smalltouch_landscape":"only screen and (min-width:321px) and (max-width:480px)","smalltouch_portrait":"only screen and (max-width:320px)"}}}});
56//--><!]]>
57</script>
57
58
59    <!-- Ntara GTM Script -->
60    <!-- Google Tag Manager -->
61    
61<script>
vendor: 506 bytes, lines 61-75
61
62      (function(w, d, s, l, i) {
63        w[l] = w[l] || [];
64        w[l].push({
65          'gtm.start': new Date().getTime(),
66          event: 'gtm.js'
67        });
68        var f = d.getElementsByTagName(s)[0],
69          j = d.createElement(s),
70          dl = l != 'dataLayer' ? '&l=' + l : '';
71        j.async = true;
72        j.src =
73          'https://www.googletagmanager.com/gtm.js?id=' + i + dl;
74        f.parentNode.insertBefore(j, f);
75      })(window, document, 'script', 'dataLayer', '
75GTM-PWNRNW3R
vendor: 9 bytes, lines 75-76
75');
76    
76</script>
76
77    <!-- End Google Tag Manager -->"
78
79    <!--[if lt IE 9]>
80<script src="https://muellerwaterproducts.com/sites/all/themes/adaptivetheme/at_core/scripts/html5.js?tf3gwh"></script>
vendor: 1 bytes, line 80
80
81<script src="https://muellerwaterproducts.com/sites/all/themes/adaptivetheme/at_core/scripts/respond.js?tf3gwh"></script>
81
82<![endif]-->
83  </head>
84
85  <body class="html not-front not-logged-in no-sidebars page-node page-node- page-node-1558 node-type-news page-two-column atr-7.x-3.x atv-7.x-3.1" >
86    <div id="skip-link">
87      <a href="#main-content" class="element-invisible element-focusable">Skip to main content</a>
88    </div>
89    <div class="region region-page-top"><div class="region-inner clearfix"><noscript aria-hidden="true"><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MNST6ND" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
90</div></div>    
91<div id="page" class="container page">
92
93  <!-- region: Leaderboard -->
94  
95  <header id="header" class="clearfix" role="banner">
96
97          <!-- start: Branding -->
98      <div id="branding" class="branding-elements clearfix">
99
100                  <!-- start: Site name and Slogan hgroup -->
101          <hgroup class="h-group" id="name-and-slogan">
102
103                          <h1 id="site-name"><a href="/" title="Home page">Mueller Water Products</a></h1>
104            
105          </hgroup><!-- /end #name-and-slogan -->
106        
107      </div><!-- /end #branding -->
108    
109    <!-- region: Header -->
110    <div class="region region-header"><div class="region-inner clearfix"><div id="block-search-form" class="block block-search no-title odd first last block-count-1 block-region-header block-form"  role="search"><div class="block-inner clearfix">  
111  
112  <div class="block-content content"><form action="/news/understanding-butterfly-valves-data-center-cooling-applications" method="post" id="search-block-form" accept-charset="UTF-8"><div><div class="mobile_toggle"><a href="javascript:;" class="mobile-search-toggle">X</a></div>
113<div class="container-inline search_elements">
114			<h2 class="element-invisible">Search form</h2>
115  	  	<div class="form-item form-type-textfield form-item-search-block-form">
116  <label class="element-invisible" for="edit-search-block-form--2">Search </label>
117 <input title="Enter the terms you wish to search for." type="search" id="edit-search-block-form--2" name="search_block_form" value="" size="15" maxlength="128" class="form-text" />
118</div>
119<div class="form-actions form-wrapper" id="edit-actions"><input type="submit" id="edit-submit" name="op" value="Search" class="form-submit" /></div><input type="hidden" name="form_build_id" value="form-OuRV8MLMPRZ7XQoxL3-r6_ApN1sJZYsK5ngAHg1tZPM" />
120<input type="hidden" name="form_id" value="search_block_form" />
121</div></div></form></div>
122  </div></div></div></div>
123  </header>
124
125  <!-- Navigation elements -->
126  <div id="menu-bar" class="nav clearfix"><nav id="block-superfish-1" class="block block-superfish no-title menu-wrapper menu-bar-wrapper clearfix odd first last block-count-2 block-region-menu-bar block-1" >  
127  
128  <ul id="superfish-1" class="menu sf-menu sf-main-menu sf-horizontal sf-style-default sf-total-items-6 sf-parent-items-4 sf-single-items-2"><li id="menu-507-1" class="first odd sf-item-1 sf-depth-1 sf-total-children-5 sf-parent-children-0 sf-single-children-5 menuparent"><a href="http://www.muellerwaterproducts.com/about-mueller-water-products" class="sf-depth-1 menuparent">About</a><ul><li id="menu-847-1" class="first odd sf-item-1 sf-depth-2 sf-no-children"><a href="http://www.muellerwaterproducts.com/our-core-values" class="sf-depth-2">Our Core Values</a></li><li id="menu-509-1" class="middle even sf-item-2 sf-depth-2 sf-no-children"><a href="http://www.muellerwaterproducts.com/leadership" class="sf-depth-2">Leadership</a></li><li id="menu-524-1" class="middle odd sf-item-3 sf-depth-2 sf-no-children"><a href="https://ir.muellerwaterproducts.com/corporate-governance/board-of-directors" class="sf-depth-2">Board of Directors</a></li><li id="menu-849-1" class="middle even sf-item-4 sf-depth-2 sf-no-children"><a href="https://www.muellerwaterproducts.com/environmental-social-and-governance" class="sf-depth-2">Sustainability</a></li><li id="menu-511-1" class="last odd sf-item-5 sf-depth-2 sf-no-children"><a href="http://www.muellerwaterproducts.com/history" class="sf-depth-2">History</a></li></ul></li><li id="menu-526-1" class="middle even sf-item-2 sf-depth-1 sf-total-children-1 sf-parent-children-0 sf-single-children-1 menuparent"><a href="http://www.muellerwaterproducts.com/our-brands" class="sf-depth-1 menuparent">Brands</a><ul><li id="menu-878-1" class="firstandlast odd sf-item-1 sf-depth-2 sf-no-children"><a href="http://mwppat.com/" class="sf-depth-2">Patents &amp; Trademarks</a></li></ul></li><li id="menu-533-1" class="middle odd sf-item-3 sf-depth-1 sf-total-children-7 sf-parent-children-0 sf-single-children-7 menuparent"><a href="http://ir.muellerwaterproducts.com/" class="sf-depth-1 menuparent">Investor Relations</a><ul><li id="menu-1134-1" class="first odd sf-item-1 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/press-releases" class="sf-depth-2">Press Releases</a></li><li id="menu-1135-1" class="middle even sf-item-2 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/events-and-presentations" class="sf-depth-2">Events &amp; Presentations</a></li><li id="menu-1144-1" class="middle odd sf-item-3 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/financial-information/annual-reports-and-proxies" class="sf-depth-2">Annual Reports</a></li><li id="menu-1137-1" class="middle even sf-item-4 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/financial-information/sec-filings" class="sf-depth-2">Financial Information</a></li><li id="menu-1138-1" class="middle odd sf-item-5 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/stock-information/stock-quote-and-chart" class="sf-depth-2">Stock Information</a></li><li id="menu-1136-1" class="middle even sf-item-6 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/corporate-governance/governance-documents" class="sf-depth-2">Corporate Governance</a></li><li id="menu-1139-1" class="last odd sf-item-7 sf-depth-2 sf-no-children"><a href="http://ir.muellerwaterproducts.com/ir-resources/investor-faqs" class="sf-depth-2">IR Resources</a></li></ul></li><li id="menu-534-1" class="middle even sf-item-4 sf-depth-1 sf-total-children-2 sf-parent-children-0 sf-single-children-2 menuparent"><a href="http://www.muellerwaterproducts.com/newsroom" class="sf-depth-1 menuparent">News</a><ul><li id="menu-1499-1" class="first odd sf-item-1 sf-depth-2 sf-no-children"><a href="http://www.muellerwaterproducts.com/smart-water-handbook" class="sf-depth-2">Smart Water Handbook</a></li><li id="menu-862-1" class="last even sf-item-2 sf-depth-2 sf-no-children"><a href="http://www.muellerwaterproducts.com/case-studies" class="sf-depth-2">Case Studies</a></li></ul></li><li id="menu-535-1" class="middle odd sf-item-5 sf-depth-1 sf-no-children"><a href="/careers" class="sf-depth-1">Careers</a></li><li id="menu-664-1" class="last even sf-item-6 sf-depth-1 sf-no-children"><a href="http://www.muellerwaterproducts.com/contact" class="sf-depth-1">Contact</a></li></ul>
129  </nav></div>    
130  <!-- Breadcrumbs -->
131  
132  <!-- Messages and Help -->
133    
134  <!-- region: Secondary Content -->
135  
136  <div id="columns" class="columns clearfix">
137    <div id="content-column" class="content-column" role="main">
138      <div class="content-inner">
139
140        <!-- region: Highlighted -->
141        
142        <section id="main-content">
143
144          
145                      <header id="main-content-header" class="clearfix">
146
147                              <h1 id="page-title">
148                  Understanding Butterfly Valves in Data Center Cooling Applications                </h1>
149              
150              
151            </header>
152          
153          <!-- region: Main Content -->
154                      <div id="content" class="region">
155              <div id="block-system-main" class="block block-system no-title odd first last block-count-3 block-region-content block-main" >  
156  
157  <div class="panel-display panel-1col clearfix" id="newsroom">
158  <div class="panel-panel panel-col">
159    <div><section class="panel-pane pane-entity-field pane-node-field-date block">
160  <div class="block-inner clearfix">
161    
162              <h2 class="pane-title block-title">Date:</h2>
163        
164    
165    <div class="block-content">
166      <div class="field field-name-field-date field-type-datetime field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even"><span  property="dc:date" datatype="xsd:dateTime" content="2026-08-01T00:00:00-04:00" class="date-display-single">08/01/2026</span></div></div></div>    </div>
167
168    
169    
170  </div>
171</section>
172<div class="panel-separator"></div><section class="panel-pane pane-entity-field pane-node-field-publication-url block">
173  <div class="block-inner clearfix">
174    
175              <h2 class="pane-title block-title">Publication: </h2>
176        
177    
178    <div class="block-content">
179      <div class="field field-name-field-publication-url field-type-link-field field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even"><a href="https://flipbooks.bigredm.com/VMA-2026-Summer/24/#zoom=true" rel="nofollow">Valve Magazine</a></div></div></div>    </div>
180
181    
182    
183  </div>
184</section>
185<div class="panel-separator"></div><div class="panel-pane pane-node-body no-title block">
186  <div class="block-inner clearfix">
187    
188            
189    
190    <div class="block-content">
191      <div class="field field-name-body field-type-text-with-summary field-label-hidden view-mode-_custom_display"><div class="field-items"><div class="field-item even" property="content:encoded"><p><b>Why it’s critical to use the proper industrial valves for this harsh environment for the safety of operations and equipment.</b></p>
192<p><b>LARGE DATA CENTERS ARE DENSE, POWER-HUNGRY ENVIRONMENTS</b> where GPU-laden racks can draw 50 kW or more per cabinet, resulting in heat loads that conventional air cooling simply cannot manage. The industry’s response has been a pivot to liquid-based hydronic systems: chilled water loops, condenser water circuits and cooling distribution units (CDUs) that circulate water/glycol mixtures at scale around the clock.</p>
193<p>Within those loops, butterfly valves isolate chillers for maintenance, balancing flow across distributed cooling units and throttling to match thermal demand. The problem is that some engineers still reach for the same light-commercial butterfly valve when they should be using industrial standard valves.</p>
194<p align="center"><img height="180" src="/sites/default/files/large_Feeding%20critical%20cooling%20systems%20with%20Pratt%20BF%20Series%20valves%20on%20primary%20water%20intake%20lines.jpg" width="180" /></p>
195<p><b>What glycol does to a valve</b></p>
196<p>Most closed-loop data center cooling systems run on a water/glycol mixture, typically propylene or ethylene glycol blended to provide freeze protection and corrosion inhibition. The choice of glycol matters: propylene glycol is higher viscosity and preferred in applications with human exposure risk, while ethylene glycol offers better thermal performance in lower temperature applications.</p>
197<p>What both formulations have in common is their effect on valve components over time. Glycol mixtures are chemically aggressive toward elastomers not explicitly formulated for the service. Seats made from standard rubber compounds may experience swelling, hardening or chemical creep that compromise shutoff. In a commercial HVAC butterfly valve, where the design life assumption is periodic use in a comfort cooling system, this is a manageable issue. In a data center cooling loop operating continuously at elevated pressure, seat degradation is a failure mode with serious consequences.</p>
198<p>The most common failure point in butterfly valves exposed to long-term water/glycol service is seat deterioration. Combating this requires three disciplines working together: Specifying a seat elastomer, such as EPDM, that is chemically compatible with the specific glycol and concentration in service; Implementing a valve cycling schedule to prevent rubber setting in a single position over extended periods; and, Selecting a valve design that minimizes stress concentration on the seat when closed.</p>
199</p>
200<p><b>Why API 609 and API 598 set the right bar</b></p>
201<p>The American Water Works Association (AWWA) standards govern water distribution service; Manufacturers Standardization Society (MSS) standards cover general industrial piping; and the American Petroleum Institute (API) standards were developed for the demanding, continuous-duty environments of refineries and petrochemical plants. This makes API the appropriate reference for modern data center cooling infrastru
201cture.</p>
202<p><b>API 609</b> establishes the design and performance requirements for butterfly valves in industrial service, addressing seat integrity, pressure ratings, end-connection dimensions, and actuation mounting. <b>API 598</b> covers valve inspection and testing, with requirements that ensure a valve is drip-tight before it leaves the factory and before it is installed in a system.</p>
203<p>For engineering firms and EPC contractors, specifying API 609/598-compliant valves simplifies the entire procurement process: fewer submittal exceptions, shorter review cycles and less engineering rework. A valve that arrives already tested to a recognized standard does not require the project team to verify performance assumptions.</p>
204<p>A common question is, could an AWWA-rated valve be adapted to data center HVAC service with appropriate material upgrades? Technically, yes, but the economics are prohibitive. Specifying AWWA valves with the materials necessary to match an API-compliant valve’s performance would more than triple the valve cost.</p>
205<p><b>Where butterfly valves do the work</b></p>
206<p>In a modern data center hydronic system, butterfly valves appear at several critical junctures:</p>
207<ul type="disc">
208<li><b>Chiller and CDU isolation:</b> Industrial butterfly valves allow operators to take individual chillers or cooling distribution units offline for maintenance without interrupting the broader cooling loop. This is essential in a facility that requires thermal continuity.</li>
209<li><b>Flow balancing:</b> Large hydronic networks require precise flow distribution across multiple CRAC/CRAH units. Industrial butterfly valves provide the low-pressure-drop characteristics and good Cv values necessary for efficient pumping across extended pipe networks.</li>
210<li><b>Zone control:</b> As data centers scale and add capacity, butterfly valves enable modular expansion of the hydronic system without wholesale reconfiguration.</li>
211</ul>
212<p>Space is another variable that favors butterfly valves. Data centers are usually constrained environments that must accommodate increasingly dense equipment in fixed footprints. Industrial butterfly valves, in both lug and wafer body styles, require significantly less lay length than gate or globe valves.</p>
213<p>Actuation integration is also important. Modern data centers rely on Building Management Systems (BMS) to monitor and control thermal conditions in real time. Butterfly valves with ISO 5211-compliant top flanges accommodate the full range of actuators (electric, pneumatic, gear-operated) and can be integrated into BMS platforms without requiring custom interface hardware.</p>
214<p><b>Industrial performance in hydronic service</b></p>
215<p>Industrial butterfly valves are built for high flow, low operating torque, and reliable sealing across both bidirectional and end-of-line applications. The seat design is central to the valve’s performance in glycol service. Valves in these applications must operate at higher pressure ratings, with full vacuum service capability, and allowances for the rubber to compress and flow into the body groove during cycling rather than setting under sustained load. Secondary shaft seals in some models prevent leakage from the shaft area, a failure mode that standard commercial valves often under address.</p>
216<p>For engineers, the practical implications of these designs include lower flow resistance, higher Cv values that reduce system operating costs, and reduced operating torque that simplifies actuator sizing.</p>
217<p>From a procurement standpoint, a single large data center project can deplete a manufacturer’s or distributor’s inventory of a particular valve size in a single order. Be sure to check with valve suppliers early so they can plan their inventory well in advance and ensure delivery meets construction deadlines.</p>
218<p><b>Specifying right</b></p>
219<p>It’s important to consider the total cost of ownership for industrial-grade butterfly valves in data center cooling systems. Some butterfly valve designs are not optimized for data center cooling applications and may require more frequent maintenance/seat replacements, along with the associated costs of draining a cooling loop, scheduling a maintenance window around active server racks and sourcing replacement parts. This will result in higher overall lifecycle c
219osts.</p>
220<p>Conversely, an industrial butterfly valve with appropriate glycol-compatible seat materials, factory-tested to API 598, with a design that accommodates the actuation platform already deployed in the facility, represents infrastructure that can be relied on for many years.</p>
221<p>As data center construction continues its aggressive expansion, driven by AI compute demand, cloud infrastructure buildout and hyperscale deployments, the engineering community has an opportunity to set the specification baseline correctly.</p>
222<p><a href="https://flipbooks.bigredm.com/VMA-2026-Summer/24/#zoom=true">Click here to read the full article in Valve Magazine</a></p>
223</p>
224</div></div></div>    </div>
225
226    
227    
228  </div>
229</div>
230</div>
231  </div>
232</div>
233
234  </div>            </div>
235          
236          <!-- Feed icons (RSS, Atom icons etc -->
237          
238          
239        </section><!-- /end #main-content -->
240
241        <!-- region: Content Aside -->
242        
243      </div><!-- /end .content-inner -->
244    </div><!-- /end #content-column -->
245
246    <!-- regions: Sidebar first and Sidebar second -->
247        
248  </div><!-- /end #columns -->
249
250  <!-- region: Tertiary Content -->
251  
252  <!-- region: Footer -->
253      <footer id="footer" class="clearfix" role="contentinfo">
254    	<div class="foot-gradient">
255      		<div class="region region-footer"><div class="region-inner clearfix"><div id="block-footer-sitemap-footer-sitemap" class="block block-footer-sitemap no-title odd first last block-count-4 block-region-footer block-footer-sitemap" ><div class="block-inner clearfix">  
256  
257  <div class="block-content content"><div id="footer-sitemap" class="clearfix">
258  <div class="fs-block-content"><div class="main-menu"><ul class="footer_links_main-menu total-items-6 parent-items-0 single-items-0"><li class="menu-507 depth-1 total-children-5 parent-children-0 single-children-5  first"><a href="http://www.muellerwaterproducts.com/about-mueller-water-products" class="fs-root-link">About</a><ul class="footer_links_main-menu total-items-5 parent-items-0 single-items-0"><li class="menu-847 depth-1 fs-no-children  first"><a href="http://www.muellerwaterproducts.com/our-core-values">Our Core Values</a></li>
259<li class="menu-509 depth-1 fs-no-children"><a href="http://www.muellerwaterproducts.com/leadership">Leadership</a></li>
260<li class="menu-524 depth-1 fs-no-children"><a href="https://ir.muellerwaterproducts.com/corporate-governance/board-of-directors">Board of Directors</a></li>
261<li class="menu-849 depth-1 fs-no-children"><a href="https://www.muellerwaterproducts.com/environmental-social-and-governance">Sustainability</a></li>
262<li class="menu-511 depth-1 fs-no-children  last"><a href="http://www.muellerwaterproducts.com/history">History</a></li>
263</ul></li>
264<li class="menu-526 depth-1 total-children-1 parent-children-0 single-children-1"><a href="http://www.muellerwaterproducts.com/our-brands" class="fs-root-link">Brands</a><ul class="footer_links_main-menu total-items-1 parent-items-0 single-items-0"><li class="menu-878 depth-1 fs-no-children  first  last"><a href="http://mwppat.com/">Patents &amp; Trademarks</a></li>
265</ul></li>
266<li class="menu-533 depth-1 total-children-7 parent-children-0 single-children-7"><a href="http://ir.muellerwaterproducts.com/" class="fs-root-link">Investor Relations</a><ul class="footer_links_main-menu total-items-7 parent-items-0 single-items-0"><li class="menu-1134 depth-1 fs-no-children  first"><a href="http://ir.muellerwaterproducts.com/press-releases">Press Releases</a></li>
267<li class="menu-1135 depth-1 fs-no-children"><a href="http://ir.muellerwaterproducts.com/events-and-presentations">Events &amp; Presentations</a></li>
268<li class="menu-1144 depth-1 fs-no-children"><a href="http://ir.muellerwaterproducts.com/financial-information/annual-reports-and-proxies">Annual Reports</a></li>
269<li class="menu-1137 depth-1 fs-no-children"><a href="http://ir.muellerwaterproducts.com/financial-information/sec-filings">Financial Information</a></li>
270<li class="menu-1138 depth-1 fs-no-children"><a href="http://ir.muellerwaterproducts.com/stock-information/stock-quote-and-chart">Stock Information</a></li>
271<li class="menu-1136 depth-1 fs-no-children"><a href="http://ir.muellerwaterproducts.com/corporate-governance/governance-documents">Corporate Governance</a></li>
272<li class="menu-1139 depth-1 fs-no-children  last"><a href="http://ir.muellerwaterproducts.com/ir-resources/investor-faqs">IR Resources</a></li>
273</ul></li>
274<li class="menu-534 depth-1 total-children-2 parent-children-0 single-children-2"><a href="http://www.muellerwaterproducts.com/newsroom" class="fs-root-link">News</a><ul class="footer_links_main-menu total-items-2 parent-items-0 single-items-0"><li class="menu-1499 depth-1 fs-no-children  first"><a href="http://www.muellerwaterproducts.com/smart-water-handbook">Smart Water Handbook</a></li>
275<li class="menu-862 depth-1 fs-no-children  last"><a href="http://www.muellerwaterproducts.com/case-studies">Case Studies</a></li>
276</ul></li>
277<li class="menu-535 depth-1 fs-no-children"><a href="/careers" class="fs-root-link">Careers</a></li>
278<li class="menu-664 depth-1 total-children-0 parent-children-0 single-children-0  last"><a href="http://www.muellerwaterproducts.com/contact" class="fs-root-link">Contact</a></li>
279</ul></div>
280</div>
281</div>
282</div>
283  </div></div></div></div>    	</div>
284    </footer>
285  
286  <!-- region: Page bottom -->
287  <div class="region region-footer-bottom"><div class="region-inner clearfix"><div id="block-block-2" class="block block-block no-title odd first last block-count-5 block-region-footer-bottom block-2" ><div class="block-inner clearfix">  
288  
289  <div class="block-content content"><div id="footerBottomWrapper">
290<div id="footerBottom" class="clearfix">
291<div id="footerSocialicons" class="clearfix">
292<ul>
293<li class="linkedinFooter"><a href="http://www.linkedin.com/company/mueller-water-products">LinkedIn</a></li>
294<li class="twitterFooter"><a href="http://www.twitter.com/MuellerWaterPro">Twitter</a></li>
295<li class="youtubeFooter"><a href="http://www.youtube.com/MuellerWaterProducts">YouTube</a></li>
296<li class="googleFooter"><a href="https://plus.google.com/+Muellerwaterproducts/about">Google Plus<br /></a></li>
297</ul>
298</div>
299<div id="utilityLinks">
300<ul>
301<li><a href="/conflictmineralsdisclosure">Conflict Minerals Disclosure</a></li>
302<li><a href="/safe-harbor-statement">Safe Harbor Statement</a></li>
303<li><a href="/global-brand-legal-disclaimer">Global Brand Legal Disclaimer</a></li>
304<li><a href="/legal-statement">Legal Statement</a></li>
305<li><a href="/security">Security</a></li>
306<li class="last"><a href="/privacy">Website Privacy Statement
307<p></a></li>
308</ul>
309</div>
310</div>
311<div style="font-size: 10px; color: #ffffff; line-height: 14px; text-align: center;">© 2023 Mueller Water Products, Inc. All Rights Reserved. Mueller refers to one or more of Mueller Water Products, Inc., a Delaware corporation (“MWP”), and its subsidiaries. MWP and each of its subsidiaries are legally separate and independent entities when providing products and services.</div>
312<div style="font-size: 10px; color: #ffffff; line-height: 14px; text-align: center;">MWP does not provide products or services to third parties. MWP and each of its subsidiaries are liable only for their own acts and omissions and not those of each other.</div>
313<div style="font-size: 10px; color: #ffffff; line-height: 14px; text-align: center;">
313MWP brands include Mueller®, Echologics®, Hydro Gate®, Hydro-Guard®, HYMAX®,&nbsp; Krausz®, Jones®, Mi.Net®, Milliken®, Pratt®, Pratt Industrial®, Sentryx™, Singer®, and U.S. Pipe Valve &amp; Hydrant.</div>
314<div style="font-size: 10px; color: #ffffff; line-height: 14px; text-align: center; padding-bottom: 50px;">Please see <a href="https://www.muellerwaterproducts.com/our-brands" target="_blank">muellerwp.com/brands</a> to learn more.</p>
315</div>
316</div>
317</div>
318  </div></div></div></div>
319</div>
320        
320<script type="text/javascript" src="https://muellerwaterproducts.com/sites/all/modules/custom/mueller-ribbon/js/ribbon.js"></script>
320
321  </body>
322
323  </html>

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.