{"id":1275,"date":"2023-11-09T21:32:56","date_gmt":"2023-11-09T21:32:56","guid":{"rendered":"https:\/\/spiralisfahan.com\/?post_type=product&#038;p=1275"},"modified":"2023-11-21T21:50:26","modified_gmt":"2023-11-21T21:50:26","slug":"dual-wall-spiral-ducts","status":"publish","type":"product","link":"https:\/\/spiralisfahan.ir\/en\/product\/dual-wall-spiral-ducts\/","title":{"rendered":"Dual wall spiral ducts"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1275\" class=\"elementor elementor-1275\">\r\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-98511ec elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"98511ec\" data-element_type=\"section\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ac5f074\" data-id=\"ac5f074\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-08bc407 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"08bc407\" data-element_type=\"section\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ea41df2\" data-id=\"ea41df2\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f3b3a60 elementor-widget elementor-widget-heading\" data-id=\"f3b3a60\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h5 class=\"elementor-heading-title elementor-size-default\">Double wall spiral ducts, also known as dual wall spiral ducts, are a type of ductwork used in HVAC systems.<\/br> They are designed to offer several advantages over traditional rectangular ducts, including improved efficiency, noise reduction, and thermal insulation.<\/br> Here are some key points about dual wall spiral ducts:<\/h5>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-e83506e elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"e83506e\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<link rel=\"stylesheet\" href=\"https:\/\/spiralisfahan.com\/wp-content\/plugins\/elementor\/assets\/css\/widget-icon-box.min.css\">\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tKey Features and Benefits of Dual Wall Spiral Ducts Efficiency:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tDual wall spiral ducts are more efficient than traditional rectangular ducts, offering improved airflow and consistent temperature delivery\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-cb1324c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"cb1324c\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#0c0d0e;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon .elementor-divider-separator,.elementor-widget-divider--view-line_text .elementor-divider-separator{align-items:center}.elementor-widget-divider--view-line_icon .elementor-divider-separator:after,.elementor-widget-divider--view-line_icon .elementor-divider-separator:before,.elementor-widget-divider--view-line_text .elementor-divider-separator:after,.elementor-widget-divider--view-line_text .elementor-divider-separator:before{display:block;content:\"\";border-bottom:0;flex-grow:1;border-top:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--element-align-left .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-left .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-left .elementor-divider__element{margin-left:0}.elementor-widget-divider--element-align-right .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-right .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-right .elementor-divider__element{margin-right:0}.elementor-widget-divider:not(.elementor-widget-divider--view-line_text):not(.elementor-widget-divider--view-line_icon) .elementor-divider-separator{border-top:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--separator-type-pattern{--divider-border-style:none}.elementor-widget-divider--separator-type-pattern.elementor-widget-divider--view-line .elementor-divider-separator,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:after,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:before,.elementor-widget-divider--separator-type-pattern:not([class*=elementor-widget-divider--view]) .elementor-divider-separator{width:100%;min-height:var(--divider-pattern-height);-webkit-mask-size:var(--divider-pattern-size) 100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-7537134 elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"7537134\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tNoise Reduction:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tThe double walls of these ducts help reduce airflow noise, making them suitable for environments where quiet operation is essential, such as call centers, offices, and retail locations\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-867c9ff elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"867c9ff\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-f281da1 elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"f281da1\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tThermal Insulation:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tThe double walls of the ducts provide thermal insulation, helping to maintain consistent airflow temperature during delivery\n\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-4610b6b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4610b6b\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-b529dd6 elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"b529dd6\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tAesthetics:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tDual wall spiral ducts have a clean and aesthetically pleasing look, especially when internally insulated, making them suitable for exposed duct settings in hospitals, schools, and laboratories\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-bad98c4 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bad98c4\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-8835b0d elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"8835b0d\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tCost-Effectiveness:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tWhile the initial material costs of dual wall spiral ducts may be higher, their installation and maintenance costs are lower, making them a cost-effective long-term solution\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-5d356ae elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5d356ae\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-ef2f96d elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"ef2f96d\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tApplications of Dual Wall Spiral Ducts Noise-Sensitive Environments:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tThese ducts are commonly used in environments where noise reduction is a priority, such as call centers, offices, and retail locations\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-1145220 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1145220\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-e7edd80 elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"e7edd80\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tThermal Control:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tDual wall spiral ducts are suitable for applications where consistent airflow temperature delivery is essential, such as hospitals, schools, and laboratories\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-529b809 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"529b809\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-divider\">\r\n\t\t\t<span class=\"elementor-divider-separator\">\r\n\t\t\t\t\t\t<\/span>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-29a4ad5 elementor-view-stacked elementor-position-left elementor-shape-circle elementor-mobile-position-top elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"29a4ad5\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\r\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i>\t\t\t\t<\/span>\r\n\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\r\n\t\t\t\t<h5 class=\"elementor-icon-box-title\">\r\n\t\t\t\t\t<span  >\r\n\t\t\t\t\t\tGrease Ducts:\t\t\t\t\t<\/span>\r\n\t\t\t\t<\/h5>\r\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\r\n\t\t\t\t\t\tThey are also used for grease ducts that are in close proximity to combustible materials, where thermal insulation and safety are crucial\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b09b522\" data-id=\"b09b522\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4badbfd elementor-widget elementor-widget-image\" data-id=\"4badbfd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image 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https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-1-85x85.png 85w, https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-1-80x80.png 80w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-0139a16 elementor-widget elementor-widget-spacer\" data-id=\"0139a16\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-column .elementor-spacer-inner{height:var(--spacer-size)}.e-con{--container-widget-width:100%}.e-con-inner>.elementor-widget-spacer,.e-con>.elementor-widget-spacer{width:var(--container-widget-width,var(--spacer-size));--align-self:var(--container-widget-align-self,initial);--flex-shrink:0}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container,.e-con>.elementor-widget-spacer>.elementor-widget-container{height:100%;width:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer{height:100%}.e-con-inner>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner,.e-con>.elementor-widget-spacer>.elementor-widget-container>.elementor-spacer>.elementor-spacer-inner{height:var(--container-widget-height,var(--spacer-size))}.e-con-inner>.elementor-widget-spacer.elementor-widget-empty,.e-con>.elementor-widget-spacer.elementor-widget-empty{position:relative;min-height:22px;min-width:22px}.e-con-inner>.elementor-widget-spacer.elementor-widget-empty .elementor-widget-empty-icon,.e-con>.elementor-widget-spacer.elementor-widget-empty .elementor-widget-empty-icon{position:absolute;top:0;bottom:0;left:0;right:0;margin:auto;padding:0;width:22px;height:22px}<\/style>\t\t<div class=\"elementor-spacer\">\r\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-90a48a5 elementor-widget elementor-widget-image\" data-id=\"90a48a5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"721\" height=\"500\" src=\"https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-2.png\" class=\"attachment-large size-large wp-image-1480\" alt=\"\" srcset=\"https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-2.png 721w, https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-2-300x208.png 300w, https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-2-211x146.png 211w, https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-2-50x35.png 50w, https:\/\/spiralisfahan.ir\/en\/wp-content\/uploads\/2023\/11\/Dual-wall-spiral-ducts-2-108x75.png 108w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t<div class=\"elementor-element elementor-element-c729ce2 e-flex e-con-boxed e-con e-parent\" data-id=\"c729ce2\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\r\n\t\t\t\t\t<div class=\"e-con-inner\">\r\n\t\t<div class=\"elementor-element elementor-element-666ecc3 e-con-full e-flex e-con e-child\" data-id=\"666ecc3\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;full&quot;}\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-dc4cd3a elementor-widget elementor-widget-text-editor\" data-id=\"dc4cd3a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>In summary, dual wall spiral ducts offer improved efficiency, noise reduction, and thermal insulation, making them a versatile and effective choice for various HVAC applications.<\/p><p><em>When would you use double wall spiral ducts in an HVAC system?<\/em><\/p><p>Dual wall spiral ducts are ideal for use in HVAC systems in the following scenarios:<\/p><p>In noise-sensitive environments where reducing airflow noise is essential.<\/p><p>In applications where consistent airflow temperature delivery and thermal insulation are required, such as hospitals, schools, and laboratories.<\/p><p>For grease ducts that are in close proximity to combustible materials, where thermal insulation and safety are crucial<\/p>\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t","protected":false},"excerpt":{"rendered":"<p>Double wall spiral ducts, also known as dual wall spiral ducts, are a type of ductwork used in HVAC systems.<\/p>\n","protected":false},"featured_media":1477,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[140,17],"product_tag":[325],"class_list":["post-1275","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-bestselling-en","product_cat-spiral-ducts-en","product_tag-dual-wall-spiral-ducts-en"],"_links":{"self":[{"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/product\/1275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/comments?post=1275"}],"version-history":[{"count":14,"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/product\/1275\/revisions"}],"predecessor-version":[{"id":2122,"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/product\/1275\/revisions\/2122"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/media\/1477"}],"wp:attachment":[{"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/media?parent=1275"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/product_cat?post=1275"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spiralisfahan.ir\/en\/wp-json\/wp\/v2\/product_tag?post=1275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}