{"id":14998,"date":"2025-08-05T09:23:20","date_gmt":"2025-08-05T01:23:20","guid":{"rendered":"https:\/\/www.lneya.com\/?p=14998"},"modified":"2025-12-03T10:54:00","modified_gmt":"2025-12-03T02:54:00","slug":"closed-loop-coolant-circuits-in-chillers","status":"publish","type":"post","link":"https:\/\/tw.lneya.com\/fr\/blog\/closed-loop-coolant-circuits-in-chillers.html","title":{"rendered":"Circuits ferm\u00e9s de fluide frigorig\u00e8ne dans les refroidisseurs"},"content":{"rendered":"\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#ffffff;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:1025px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1025px\">\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_537b6b-7c, .wp-block-kadence-advancedheading.kt-adv-heading14998_537b6b-7c[data-kb-block=\"kb-adv-heading14998_537b6b-7c\"]{text-align:center;font-size:36px;font-style:normal;font-family:Arial, Helvetica, sans-serif;text-transform:none;letter-spacing:0.2px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_537b6b-7c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_537b6b-7c[data-kb-block=\"kb-adv-heading14998_537b6b-7c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_537b6b-7c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_537b6b-7c[data-kb-block=\"kb-adv-heading14998_537b6b-7c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h1 class=\"kt-adv-heading14998_537b6b-7c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_537b6b-7c\">Closed Loop Coolant Circuits in Chillers<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_823186-a1, .wp-block-kadence-advancedheading.kt-adv-heading14998_823186-a1[data-kb-block=\"kb-adv-heading14998_823186-a1\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_823186-a1 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_823186-a1[data-kb-block=\"kb-adv-heading14998_823186-a1\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_823186-a1 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_823186-a1[data-kb-block=\"kb-adv-heading14998_823186-a1\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14998_823186-a1 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_823186-a1\">A loop is the path that the coolant circulates in the cooling system. The coolant exits from the evaporator of the chiller, flows through the equipment or process that needs to be cooled, and then returns to the evaporator. The flow pattern of the coolant, the water quality, and the stability of the cooling system are all related to the type of loop. Common cooling loops include open loops and closed loops. This article explains everything about closed loop chillers.<br><\/p>\n\n\n<style>.kb-row-layout-id14998_2ea174-69 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id14998_2ea174-69 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id14998_2ea174-69 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:var(--wp--style--global--content-size);padding-top:var(--global-kb-spacing-xxs, 0.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-xxs, 0.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}.kb-row-layout-id14998_2ea174-69{border-top:40px solid var(--global-palette8, #F7FAFC);border-bottom:40px solid var(--global-palette8, #F7FAFC);}.kb-row-layout-id14998_2ea174-69{background-image:url('https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/direct-cooling-chiller-banner.jpg');background-size:cover;background-position:76% 56.00000000000001%;background-attachment:scroll;background-repeat:repeat;}.kb-row-layout-id14998_2ea174-69 > .kt-row-layout-overlay{opacity:1;background:linear-gradient(90deg,var(--global-palette8,#F7FAFC) 30%,rgba(255,255,255,0) 30%);}@media all and (max-width: 1024px){.kb-row-layout-id14998_2ea174-69 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 1024px){.kb-row-layout-id14998_2ea174-69{border-top:40px solid var(--global-palette8, #F7FAFC);border-bottom:40px solid var(--global-palette8, #F7FAFC);}}@media all and (max-width: 767px){.kb-row-layout-id14998_2ea174-69 > .kt-row-column-wrap{padding-top:var(--global-kb-spacing-lg, 3rem);padding-bottom:var(--global-kb-spacing-lg, 3rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id14998_2ea174-69{border-top:40px solid var(--global-palette8, #F7FAFC);border-bottom:40px solid var(--global-palette8, #F7FAFC);}.kb-row-layout-id14998_2ea174-69 > .kt-row-layout-overlay{opacity:0.00;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id14998_2ea174-69 alignfull has-cyan-bluish-gray-background-color kt-row-has-bg wp-block-kadence-rowlayout\"><div class=\"kt-row-layout-overlay kt-row-overlay-gradient\"><\/div><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-left-golden kt-mobile-layout-row kt-row-valign-top kb-theme-content-width\">\n<style>.kadence-column14998_6958d6-33 > .kt-inside-inner-col{padding-top:var(--global-kb-spacing-xl, 4rem);padding-right:var(--global-kb-spacing-xl, 4rem);padding-bottom:var(--global-kb-spacing-xl, 4rem);padding-left:var(--global-kb-spacing-xl, 4rem);}.kadence-column14998_6958d6-33 > .kt-inside-inner-col,.kadence-column14998_6958d6-33 > .kt-inside-inner-col:before{border-top-left-radius:7px;border-top-right-radius:7px;border-bottom-right-radius:7px;border-bottom-left-radius:7px;}.kadence-column14998_6958d6-33 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column14998_6958d6-33 > .kt-inside-inner-col{flex-direction:column;}.kadence-column14998_6958d6-33 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column14998_6958d6-33 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column14998_6958d6-33 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column14998_6958d6-33{position:relative;}@media all and (max-width: 1024px){.kadence-column14998_6958d6-33 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column14998_6958d6-33 > .kt-inside-inner-col{padding-top:var(--global-kb-spacing-md, 2rem);padding-right:var(--global-kb-spacing-md, 2rem);padding-bottom:var(--global-kb-spacing-md, 2rem);padding-left:var(--global-kb-spacing-md, 2rem);flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column14998_6958d6-33\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading14998_0faad1-43, .wp-block-kadence-advancedheading.kt-adv-heading14998_0faad1-43[data-kb-block=\"kb-adv-heading14998_0faad1-43\"]{text-align:left;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_0faad1-43 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_0faad1-43[data-kb-block=\"kb-adv-heading14998_0faad1-43\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_0faad1-43 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_0faad1-43[data-kb-block=\"kb-adv-heading14998_0faad1-43\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_0faad1-43 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_0faad1-43\"><strong>What is a closed cooling loop?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_1747b8-97, .wp-block-kadence-advancedheading.kt-adv-heading14998_1747b8-97[data-kb-block=\"kb-adv-heading14998_1747b8-97\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_1747b8-97 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_1747b8-97[data-kb-block=\"kb-adv-heading14998_1747b8-97\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_1747b8-97 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_1747b8-97[data-kb-block=\"kb-adv-heading14998_1747b8-97\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14998_1747b8-97 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_1747b8-97\">A closed cooling loop means that the coolant always circulates in a closed system and does not come into contact with the outside air. Closed loop chillers are often used in applications that require high temperature control accuracy and coolant quality, such as semiconductors, medical equipment, and laser equipment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns14998_621f99-ff{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns14998_621f99-ff .kt-button{font-weight:normal;font-style:normal;}.kt-btns14998_621f99-ff .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns14998_621f99-ff .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns14998_621f99-ff .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns14998_621f99-ff .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns14998_621f99-ff .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns14998_621f99-ff .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns14998_621f99-ff .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns14998_621f99-ff\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn14998_0b0c70-ed.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn14998_0b0c70-ed.kb-button{color:#2a619b;font-family:Arial, Helvetica, sans-serif;font-weight:400;border-top-color:#2a619b;border-top-style:solid;border-right-color:#2a619b;border-right-style:solid;border-bottom-color:#2a619b;border-bottom-style:solid;border-left-color:#2a619b;border-left-style:solid;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn14998_0b0c70-ed.kb-button{border-top-color:#2a619b;border-top-style:solid;border-right-color:#2a619b;border-right-style:solid;border-bottom-color:#2a619b;border-bottom-style:solid;border-left-color:#2a619b;border-left-style:solid;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn14998_0b0c70-ed.kb-button{border-top-color:#2a619b;border-top-style:solid;border-right-color:#2a619b;border-right-style:solid;border-bottom-color:#2a619b;border-bottom-style:solid;border-left-color:#2a619b;border-left-style:solid;}}<\/style><a class=\"kb-button kt-button button kb-btn14998_0b0c70-ed kt-btn-size-large kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-false wp-block-kadence-singlebtn\" href=\"https:\/\/tw.lneya.com\/contact\"><span class=\"kt-btn-inner-text\">Get Product Catalogs<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col,.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col{flex-direction:column;}.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column14998_7d0cd0-3e{position:relative;}@media all and (max-width: 1024px){.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column14998_7d0cd0-3e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column14998_7d0cd0-3e\"><div class=\"kt-inside-inner-col\"><\/div><\/div>\n\n<\/div><\/div><\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#ffffff;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:1025px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\"><style>.wp-block-kadence-advancedheading.kt-adv-heading14998_a3a82f-e3, .wp-block-kadence-advancedheading.kt-adv-heading14998_a3a82f-e3[data-kb-block=\"kb-adv-heading14998_a3a82f-e3\"]{text-align:left;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_a3a82f-e3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_a3a82f-e3[data-kb-block=\"kb-adv-heading14998_a3a82f-e3\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_a3a82f-e3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_a3a82f-e3[data-kb-block=\"kb-adv-heading14998_a3a82f-e3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_a3a82f-e3 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_a3a82f-e3\"><strong>Structure of a closed loop<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-themecolor-1-color has-alpha-channel-opacity has-themecolor-1-background-color has-background is-style-default\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_39e14d-23, .wp-block-kadence-advancedheading.kt-adv-heading14998_39e14d-23[data-kb-block=\"kb-adv-heading14998_39e14d-23\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_39e14d-23 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_39e14d-23[data-kb-block=\"kb-adv-heading14998_39e14d-23\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_39e14d-23 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_39e14d-23[data-kb-block=\"kb-adv-heading14998_39e14d-23\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14998_39e14d-23 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_39e14d-23\">A closed loop is mainly composed of a chiller, a sealed reservoir, a pump, and an expansion tank. The position and function of an <a href=\"https:\/\/tw.lneya.com\/blog\/chiller-tank-design-buffer-vs-non-buffer-systems.htmlhttps:\/\/tw.lneya.com\/blog\/chiller-tank-design-buffer-vs-non-buffer-systems.html\">open reservoir and a sealed reservoir<\/a> within the entire circulation path differ. The open reservoir used in an <a href=\"https:\/\/tw.lneya.com\/blog\/what-is-an-open-loop-circuit-in-chiller.html\">open-loop system<\/a> is located after the cooling target and before returning to the chiller.<br>&nbsp;<br>It stores high-temperature coolant after absorbing heat, and handles makeup coolant and air-side heat exchange and heat exchange with air. The sealed reservoir in the closed loop is between the evaporator outlet and the process that needs to be cooled. It stores the cooled coolant for pressure stabilization and buffering.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#ffffff;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:1025px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1025px\"><style>.wp-block-kadence-advancedheading.kt-adv-heading14998_53c5c3-b7, .wp-block-kadence-advancedheading.kt-adv-heading14998_53c5c3-b7[data-kb-block=\"kb-adv-heading14998_53c5c3-b7\"]{text-align:left;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_53c5c3-b7 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_53c5c3-b7[data-kb-block=\"kb-adv-heading14998_53c5c3-b7\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_53c5c3-b7 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_53c5c3-b7[data-kb-block=\"kb-adv-heading14998_53c5c3-b7\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_53c5c3-b7 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_53c5c3-b7\"><strong>Advantages of closed loop<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-themecolor-1-color has-alpha-channel-opacity has-themecolor-1-background-color has-background is-style-default\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_464074-3a, .wp-block-kadence-advancedheading.kt-adv-heading14998_464074-3a[data-kb-block=\"kb-adv-heading14998_464074-3a\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_464074-3a mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_464074-3a[data-kb-block=\"kb-adv-heading14998_464074-3a\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_464074-3a img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_464074-3a[data-kb-block=\"kb-adv-heading14998_464074-3a\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14998_464074-3a wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_464074-3a\"><strong>\u2022 Prevent pollution<\/strong><br>The circulation system of the closed loop is completely closed, and the coolant has no direct contact with the air. Therefore, it will not absorb dust, moisture and other impurities in the air and be polluted and deteriorated.<br>&nbsp;<br><strong>\u2022 Reduce coolant loss<\/strong><br>Because the loop is sealed, the coolant will not evaporate or produce oil mist after absorbing heat. Compared with the open loop, the loss of coolant is reduced and it does not need to be replenished frequently. If you use expensive <a href=\"https:\/\/tw.lneya.com\/blog\/chiller-fluids-water-glycol-oil-and-more.html\">thermal oil<\/a>, this can save you a lot of operating costs.<br>&nbsp;<br><strong>\u2022 Constant pressure operation<\/strong><br>Most closed loops are equipped with an expansion tank to absorb the volume change of the coolant caused by temperature changes. The coolant absorbs and releases heat in the system, and its volume changes as the temperature changes. When the temperature rises, its volume increases.<br>&nbsp;<br>However, the closed system cannot release the extra volume to the outside, which may cause the components to be damaged due to overpressure. The expansion tank contains compressible gas, and the coolant will enter the expansion tank after expansion, and the compressed gas will buffer the rising pressure. After the coolant has been cooled, its volume will shrink, and the expansion tank will release part of the coolant into the pipeline to prevent negative pressure or air inhalation in the pipeline.<br>&nbsp;<br><strong>\u2022 Compact<\/strong><br>The closed circuit does not require an open reservoir, and the cooling system can be designed to be more compact, so that all components can be integrated in one space.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#ffffff;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:1025px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1025px\"><style>.wp-block-kadence-advancedheading.kt-adv-heading14998_b09afa-ab, .wp-block-kadence-advancedheading.kt-adv-heading14998_b09afa-ab[data-kb-block=\"kb-adv-heading14998_b09afa-ab\"]{text-align:left;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_b09afa-ab mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_b09afa-ab[data-kb-block=\"kb-adv-heading14998_b09afa-ab\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_b09afa-ab img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_b09afa-ab[data-kb-block=\"kb-adv-heading14998_b09afa-ab\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_b09afa-ab wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_b09afa-ab\"><strong>Limitations of closed circuits<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-themecolor-1-color has-alpha-channel-opacity has-themecolor-1-background-color has-background is-style-default\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_6bef3f-75, .wp-block-kadence-advancedheading.kt-adv-heading14998_6bef3f-75[data-kb-block=\"kb-adv-heading14998_6bef3f-75\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_6bef3f-75 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_6bef3f-75[data-kb-block=\"kb-adv-heading14998_6bef3f-75\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_6bef3f-75 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_6bef3f-75[data-kb-block=\"kb-adv-heading14998_6bef3f-75\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14998_6bef3f-75 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_6bef3f-75\">In order to prevent air from entering, a large number of seals are used in closed circuits. If the joints, pipes, valves or water tanks are not sealed well, air will be mixed into the system. Therefore, it is necessary to check and replace the seals regularly. In addition, the closed circuit needs to manage the system expansion pressure, and an expansion tank, gas separation device and high-grade sealing materials are required, so the initial cost is higher.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#ffffff;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:1025px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1025px\"><style>.wp-block-kadence-advancedheading.kt-adv-heading14998_de4e18-6c, .wp-block-kadence-advancedheading.kt-adv-heading14998_de4e18-6c[data-kb-block=\"kb-adv-heading14998_de4e18-6c\"]{text-align:left;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_de4e18-6c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_de4e18-6c[data-kb-block=\"kb-adv-heading14998_de4e18-6c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_de4e18-6c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_de4e18-6c[data-kb-block=\"kb-adv-heading14998_de4e18-6c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_de4e18-6c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_de4e18-6c\"><strong>Open loop circuits vs closed loop circuits<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-themecolor-1-color has-alpha-channel-opacity has-themecolor-1-background-color has-background is-style-default\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Item<\/td><td>Closed Cooling Loop<\/td><td>Open Cooling Loop<\/td><\/tr><tr><td>Reservoir Type<\/td><td>Sealed Tank<\/td><td>Open Reservoir<\/td><\/tr><tr><td>Fluid Exposure<\/td><td>No<\/td><td>Yes<\/td><\/tr><tr><td>Evaporation Risk<\/td><td>No<\/td><td>Yes<\/td><\/tr><tr><td>Cleanliness Requirement<\/td><td>High<\/td><td>Moderate<\/td><\/tr><tr><td>Typical Applications<\/td><td>Precision cooling, industrial processes<\/td><td>General cooling, low-cost applications<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#ffffff;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"max-width:1025px;\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1025px\"><style>.wp-block-kadence-advancedheading.kt-adv-heading14998_acebbb-1f, .wp-block-kadence-advancedheading.kt-adv-heading14998_acebbb-1f[data-kb-block=\"kb-adv-heading14998_acebbb-1f\"]{text-align:left;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_acebbb-1f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_acebbb-1f[data-kb-block=\"kb-adv-heading14998_acebbb-1f\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_acebbb-1f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_acebbb-1f[data-kb-block=\"kb-adv-heading14998_acebbb-1f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_acebbb-1f wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_acebbb-1f\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-themecolor-1-color has-alpha-channel-opacity has-themecolor-1-background-color has-background is-style-default\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_6bcce6-5b, .wp-block-kadence-advancedheading.kt-adv-heading14998_6bcce6-5b[data-kb-block=\"kb-adv-heading14998_6bcce6-5b\"]{font-size:18px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;letter-spacing:0.2px;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_6bcce6-5b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_6bcce6-5b[data-kb-block=\"kb-adv-heading14998_6bcce6-5b\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_6bcce6-5b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_6bcce6-5b[data-kb-block=\"kb-adv-heading14998_6bcce6-5b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14998_6bcce6-5b wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_6bcce6-5b\">Looking for a closed loop chiller? LNEYA is an <a href=\"https:\/\/tw.lneya.com\/industrial-chillers\">industrial chiller<\/a> manufacturer with 15 years of experience in designing and manufacturing temperature control equipment, providing <a href=\"https:\/\/tw.lneya.com\/closed-loop-chillers\">closed loop chillers<\/a> for industrial applications such as semiconductors, new energy, aerospace, and medicine. If the standard model does not meet your requirements, we also support OEM. <a href=\"https:\/\/tw.lneya.com\/contact\">Discuss your temperature control needs with our chiller experts now.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14998_e106d3-c9, .wp-block-kadence-advancedheading.kt-adv-heading14998_e106d3-c9[data-kb-block=\"kb-adv-heading14998_e106d3-c9\"]{text-align:center;font-size:30px;font-weight:400;font-style:normal;font-family:Arial, Helvetica, sans-serif;color:#4a4a4a;}.wp-block-kadence-advancedheading.kt-adv-heading14998_e106d3-c9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14998_e106d3-c9[data-kb-block=\"kb-adv-heading14998_e106d3-c9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14998_e106d3-c9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14998_e106d3-c9[data-kb-block=\"kb-adv-heading14998_e106d3-c9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14998_e106d3-c9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14998_e106d3-c9\"><strong>Related chillers<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item{border-top:1px solid;border-right:1px solid;border-bottom:1px solid;border-left:1px solid;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-portfolio-loop14998_bf4ed3-d6 .kb-portfolio-overlay-color{background-color:rgba(23, 104, 234, 0);}.kb-portfolio-loop14998_bf4ed3-d6 .kb-portfolio-overlay-border{border-top:1px solid;border-right:1px solid;border-bottom:1px solid;border-left:1px solid;}.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item:hover .kb-portfolio-overlay-color{background-color:rgba(23, 104, 234, 0.5);}.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item:hover .kb-portfolio-overlay-border{border-top:1px solid rgba(255, 255, 255, 0.8);border-right:1px solid rgba(255, 255, 255, 0.8);border-bottom:1px solid rgba(255, 255, 255, 0.8);border-left:1px solid rgba(255, 255, 255, 0.8);}.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item .entry-title{padding:5px 0px 10px 0px;margin:0px 0px 0px 0px;}.kb-portfolio-loop14998_bf4ed3-d6 .kb-filter-item{border-width:0px 0px 2px 0px;padding:5px 8px 5px 8px;margin:0px 10px 0px 0px;}.kb-portfolio-loop14998_bf4ed3-d6 .kb-portfolio-grid-pause-button{color:#fff;background-color:rgba(0, 0, 0, 0.5);border:1px solid transparent;}@media all and (max-width: 1024px){.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item{border-top:1px solid;border-right:1px solid;border-bottom:1px solid;border-left:1px solid;}}@media all and (max-width: 1024px){.kb-portfolio-loop14998_bf4ed3-d6 .kb-portfolio-overlay-border{border-top:1px solid;border-right:1px solid;border-bottom:1px solid;border-left:1px solid;}}@media all and (max-width: 1024px){.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item:hover .kb-portfolio-overlay-border{border-top:1px solid rgba(255, 255, 255, 0.8);border-right:1px solid rgba(255, 255, 255, 0.8);border-bottom:1px solid rgba(255, 255, 255, 0.8);border-left:1px solid rgba(255, 255, 255, 0.8);}}@media all and (max-width: 767px){.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item{border-top:1px solid;border-right:1px solid;border-bottom:1px solid;border-left:1px solid;}.kb-portfolio-loop14998_bf4ed3-d6 .kb-portfolio-overlay-border{border-top:1px solid;border-right:1px solid;border-bottom:1px solid;border-left:1px solid;}.kb-portfolio-loop14998_bf4ed3-d6 .kb-blocks-portfolio-grid-item:hover .kb-portfolio-overlay-border{border-top:1px solid rgba(255, 255, 255, 0.8);border-right:1px solid rgba(255, 255, 255, 0.8);border-bottom:1px solid rgba(255, 255, 255, 0.8);border-left:1px solid rgba(255, 255, 255, 0.8);}}<\/style><div class=\" wp-block-kadence-portfoliogrid kb-blocks-portfolio-loop-block alignnone kb-portfolio-loop14998_bf4ed3-d6 kb-portfolio-grid-layout-carousel kt-blocks-carousel \"><div class=\" kb-portfolio-grid-layout-carousel-wrap kt-post-grid-layout-carousel-wrap kt-carousel-arrowstyle-whiteondark kt-carousel-dotstyle-dark splide kb-blocks-portfolio-img-hover-zoomout kb-blocks-portfolio-content-hover-zoomin\" data-columns-xxl=\"2\" data-columns-xl=\"2\" data-columns-md=\"2\" data-columns-sm=\"2\" data-columns-xs=\"1\" data-columns-ss=\"1\" data-slider-center-mode=\"false\" data-slider-type=\"carousel\" data-slider-anim-speed=\"400\" data-slider-scroll=\"1\" data-slider-dots=\"true\" data-slider-arrows=\"true\" data-slider-hover-pause=\"false\" data-slider-auto=\"true\" data-slider-center-mode=\"false\" data-slider-speed=\"7000\" data-show-pause-button=\"false\" data-slider-gap=\"30\" data-slider-gap-tablet=\"30\" data-slider-gap-mobile=\"30\" data-slider-gap-unit=\"px\" data-item-selector=\".kb-portfolio-masonry-item\"><div class=\"kadence-splide-slider-init splide__track\"><ul><li class=\"kb-portfolio-slider-item kb-slide-item\"><div class=\"kb-blocks-portfolio-grid-item\"><div class=\"kb-blocks-portfolio-grid-item-inner-wrap kb-feat-image-align-none\"><div class=\"kadence-portfolio-image\"><div class=\"kadence-portfolio-image-intrisic kt-image-ratio-50\" style=\"padding-bottom:50%\"><div class=\"kadence-portfolio-image-inner-intrisic\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"560\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/07\/LG-seires-screw-chillers-e1752129307707-1024x560.jpg\" class=\"attachment-large size-large wp-post-image\" alt=\"screw chiller\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/07\/LG-seires-screw-chillers-e1752129307707-1024x560.jpg 1024w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/07\/LG-seires-screw-chillers-e1752129307707-300x164.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/07\/LG-seires-screw-chillers-e1752129307707-768x420.jpg 768w, 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style=\"padding-bottom:50%\"><div class=\"kadence-portfolio-image-inner-intrisic\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/05\/How-to-Select-chiller-2.jpg\" class=\"attachment-large size-large wp-post-image\" alt=\"The cost of a chiller includes purchase cost, operating cost and maintenance cost\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/05\/How-to-Select-chiller-2.jpg 900w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/05\/How-to-Select-chiller-2-300x200.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/05\/How-to-Select-chiller-2-768x512.jpg 768w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/05\/How-to-Select-chiller-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/div><\/div><\/div><div class=\"kb-portfolio-grid-item-inner\"><a href=\"https:\/\/tw.lneya.com\/fr\/industrial-chillers\" aria-label=\"Industrial Chillers Characteristics\" class=\"portfolio-hover-item-link\"><\/a><div class=\"kb-portfolio-overlay-color\"><\/div><div class=\"kb-portfolio-overlay-border\"><\/div><div class=\"kb-portfolio-content-item-inner\"><h3 class=\"entry-title kb-portfolio-loop-title\">Industrial Chillers Characteristics<\/h3><\/div><\/div><\/div><\/div><\/li><li class=\"kb-portfolio-slider-item kb-slide-item\"><div class=\"kb-blocks-portfolio-grid-item\"><div class=\"kb-blocks-portfolio-grid-item-inner-wrap kb-feat-image-align-none\"><div class=\"kadence-portfolio-image\"><div class=\"kadence-portfolio-image-intrisic kt-image-ratio-50\" style=\"padding-bottom:50%\"><div class=\"kadence-portfolio-image-inner-intrisic\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"450\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/\u51b0\u7bb1-5.jpg\" class=\"attachment-large size-large wp-post-image\" alt=\"\" srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/\u51b0\u7bb1-5.jpg 450w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/\u51b0\u7bb1-5-300x300.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/\u51b0\u7bb1-5-150x150.jpg 150w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2025\/04\/\u51b0\u7bb1-5-12x12.jpg 12w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/div><\/div><\/div><div class=\"kb-portfolio-grid-item-inner\"><a href=\"https:\/\/tw.lneya.com\/fr\/industrial-freezers\" aria-label=\"\u5de5\u696d\u51b0\u7bb1\" class=\"portfolio-hover-item-link\"><\/a><div class=\"kb-portfolio-overlay-color\"><\/div><div class=\"kb-portfolio-overlay-border\"><\/div><div class=\"kb-portfolio-content-item-inner\"><h3 class=\"entry-title kb-portfolio-loop-title\">\u5de5\u696d\u51b0\u7bb1<\/h3><\/div><\/div><\/div><\/div><\/li><li class=\"kb-portfolio-slider-item kb-slide-item\"><div class=\"kb-blocks-portfolio-grid-item\"><div class=\"kb-blocks-portfolio-grid-item-inner-wrap kb-feat-image-align-none\"><div 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srcset=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2023\/07\/zlj02.jpg 880w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2023\/07\/zlj02-300x194.jpg 300w, https:\/\/tw.lneya.com\/wp-content\/uploads\/2023\/07\/zlj02-768x497.jpg 768w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><\/div><\/div><\/div><div class=\"kb-portfolio-grid-item-inner\"><a href=\"https:\/\/tw.lneya.com\/fr\/direct-expansion-chiller\" aria-label=\"direct expansion chiller\" class=\"portfolio-hover-item-link\"><\/a><div class=\"kb-portfolio-overlay-color\"><\/div><div class=\"kb-portfolio-overlay-border\"><\/div><div class=\"kb-portfolio-content-item-inner\"><h3 class=\"entry-title kb-portfolio-loop-title\">direct expansion chiller<\/h3><\/div><\/div><\/div><\/div><\/li><li class=\"kb-portfolio-slider-item kb-slide-item\"><div class=\"kb-blocks-portfolio-grid-item\"><div class=\"kb-blocks-portfolio-grid-item-inner-wrap kb-feat-image-align-none\"><div class=\"kadence-portfolio-image\"><div 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