{"id":60122,"date":"2026-06-01T03:52:27","date_gmt":"2026-06-01T03:52:27","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=60122"},"modified":"2026-06-01T03:52:29","modified_gmt":"2026-06-01T03:52:29","slug":"the-span-of-seamless-pipe-expansion-joint","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/the-span-of-seamless-pipe-expansion-joint\/","title":{"rendered":"How To Calculate The Span of A Seamless Pipe Expansion Joint for High-temperature Steam?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"60122\" class=\"elementor elementor-60122\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c73816a e-flex e-con-boxed e-con e-parent\" data-id=\"c73816a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e7378d elementor-widget elementor-widget-text-editor\" data-id=\"1e7378d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tInstalling a premium <strong>seamless pipe expansion joint<\/strong> protects industrial steam systems from catastrophic structural failures due to thermal growth.High-temperature steam piping undergoes massive dimensional changes during startup cycles.These movements create immense stress on rigid anchors and support structures.This 2026 professional guide provides a complete calculation solution based on the latest international piping standards.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fa86408 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fa86408\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fda3c43\" data-id=\"fda3c43\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-547d376 elementor-widget elementor-widget-heading\" data-id=\"547d376\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Understanding the Seamless Pipe Expansion Joint Mechanics<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70c9b84 elementor-widget elementor-widget-text-editor\" data-id=\"70c9b84\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tA high-temperature <a href=\"https:\/\/www.kaysuns.com\/fr\/tube-en-acier-inoxydable-sans-soudure-2\/\" target=\"_blank\" rel=\"noopener\">tuyau sans soudure en acier inoxydable<\/a> expansion joint absorbs axial movement safely.High-pressure steam transfers intense thermal energy to the surrounding stainless steel pipe wall.As the metal temperature rises,the entire pipeline expands linearly.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15268e1 elementor-widget elementor-widget-text-editor\" data-id=\"15268e1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tBellows-type joints compress or extend to neutralize these thermal changes smoothly.However,you must restrict the pipeline movement within safe engineering boundaries.If the anchor span is too wide, the joint will overextend and fail.Conversely,short spans increase your overall project hardware procurement costs needlessly.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1edb86 elementor-widget elementor-widget-heading\" data-id=\"b1edb86\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Thermal Expansion Coefficients (\u03b1) at 300\u00b0C<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5c45cc elementor-widget elementor-widget-text-editor\" data-id=\"a5c45cc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Qualit\u00e9 des mat\u00e9riaux<\/th>\n<th>Coefficient(\u00d7 10<sup>-6<\/sup> \/ \u2103)<\/th>\n<th>Average Expansion per 100 Meters (mm)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\"><a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tube-en-acier-inoxydable-304-304l\/\" target=\"_blank\">Tube en acier inoxydable 304\/304L<\/a><\/td>\n<td>17.8<\/td>\n<td>498<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\"><a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tube-en-acier-inoxydable-316-316l\/\" target=\"_blank\">Tube en acier inoxydable 316\/316L<\/a><\/td>\n<td>18.2<\/td>\n<td>510<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\"><a href=\"https:\/\/www.kaysuns.com\/fr\/2205-2507-duplex-pipe-supplier\/\" target=\"_blank\">Tuyau en Duplex 2205 \/ 2507<\/a><\/td>\n<td>14.5<\/td>\n<td>406<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">ASTM A106B Carbon Steel<\/td>\n<td>13.0<\/td>\n<td>364<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-501283d elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"501283d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-78231cc\" data-id=\"78231cc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d10033 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"7d10033\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ce que nous faisons<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b59072 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"6b59072\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Plaque<\/li><li>Feuille<\/li><li>Forgeage<\/li><li>Barre ronde<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0bf187 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"b0bf187\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Bride<\/li><li>Tuyaux<\/li><li>Raccords<\/li><li>Sur mesure<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-f068af6\" data-id=\"f068af6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9a7150c elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9a7150c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Contactez-nous pour plus d'informations\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f94f987 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"f94f987\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nous contacter<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1340f12 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1340f12\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-036194b\" data-id=\"036194b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a290c29 elementor-widget elementor-widget-heading\" data-id=\"a290c29\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Step 1: Calculate Thermal Expansion in Steam Systems<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0e427f elementor-widget elementor-widget-text-editor\" data-id=\"a0e427f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tFirst,you must determine the exact thermal growth of your pipeline segment.Engineers calculate the total expansion before sizing a seamless pipe expansion joint.You can find the linear expansion by using a standard thermodynamic formula:\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-994d04c elementor-widget elementor-widget-text-editor\" data-id=\"994d04c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"text-align: center; margin: 30px 0; overflow-x: auto;\">\n  <svg xmlns=\"http:\/\/w3.org\" viewbox=\"0 0 460 70\" width=\"410\" height=\"60\" style=\"display: inline-block; vertical-align: middle;\">\n    <style>\n      .math-text { font-family: 'Times New Roman', Times, serif; font-size: 24px; fill: currentColor; }\n      .math-italic { font-family: 'Times New Roman', Times, serif; font-style: italic; font-size: 24px; fill: currentColor; }\n      .math-sub { font-family: 'Times New Roman', Times, serif; font-style: italic; font-size: 14px; fill: currentColor; }\n    <\/style>\n    \n    <!-- \u5de6\u4fa7: \u0394L = -->\n    <text x=\"10\" y=\"42\" class=\"math-text\">\u0394<\/text>\n    <text x=\"30\" y=\"42\" class=\"math-italic\">L<\/text>\n    <text x=\"52\" y=\"42\" class=\"math-text\">=<\/text>\n    \n    <!-- \u4e2d\u95f4: \u03b1 \u00b7 L \u00b7 -->\n    <text x=\"78\" y=\"42\" class=\"math-text\">\u03b1<\/text>\n    <text x=\"100\" y=\"42\" class=\"math-text\">\u00b7<\/text>\n    <text x=\"115\" y=\"42\" class=\"math-italic\">L<\/text>\n    <text x=\"135\" y=\"42\" class=\"math-text\">\u00b7<\/text>\n    \n    <!-- \u53f3\u4fa7\u62ec\u53f7\u4e0e\u51cf\u6cd5: (T_operating - T_installation) -->\n    <text x=\"150\" y=\"42\" class=\"math-text\">(<\/text>\n    \n    <!-- T_operating -->\n    <text x=\"162\" y=\"42\" class=\"math-italic\">T<\/text>\n    <text x=\"175\" y=\"49\" class=\"math-sub\">operating<\/text>\n    \n    <!-- \u51cf\u53f7 -->\n    <text x=\"242\" y=\"42\" class=\"math-text\">\u2212<\/text>\n    \n    <!-- T_installation -->\n    <text x=\"265\" y=\"42\" class=\"math-italic\">T<\/text>\n    <text x=\"278\" y=\"49\" class=\"math-sub\">installation<\/text>\n    \n    <text x=\"355\" y=\"42\" class=\"math-text\">)<\/text>\n  <\/svg>\n<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82a783f elementor-widget elementor-widget-text-editor\" data-id=\"82a783f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tIn this equation,&#8221;\u0394L&#8221; represents the total thermal growth in millimeters.&#8221;\u03b1&#8221; represents the material expansion coefficient taken from engineering datasheets.The variable &#8220;L&#8221; equals the total pipe length between your main structural anchors.Finally,you subtract the installation temperature from the maximum operating steam temperature.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a35ca78 elementor-widget elementor-widget-text-editor\" data-id=\"a35ca78\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tSuperheated steam lines often operate above 250\u00b0C in modern processing plants.Therefore,this temperature delta creates substantial structural movement that requires careful management.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-352a345 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"352a345\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f507077\" data-id=\"f507077\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8c24727 elementor-widget elementor-widget-heading\" data-id=\"8c24727\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Step 2: Determine Max Anchor Span for a Seamless Pipe Expansion Joint<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-087ea91 elementor-widget elementor-widget-text-editor\" data-id=\"087ea91\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEach manufacturer rates the maximum movement capacity for their specific seamless pipe expansion joint design.This rated capacity is usually expressed in millimeters of allowable axial compression.This value determines the maximum distance or span between anchors for a single seamless pipe expansion joint.You can rearrange the thermal growth formula to isolate the maximum allowable span length:\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-901e27d elementor-widget elementor-widget-text-editor\" data-id=\"901e27d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"text-align: center; margin: 30px 0; overflow-x: auto;\">\n  <svg xmlns=\"http:\/\/w3.org\" viewbox=\"0 0 460 80\" width=\"410\" height=\"70\" style=\"display: inline-block; vertical-align: middle;\">\n    <style>\n      .math-text { font-family: 'Times New Roman', Times, serif; font-size: 24px; fill: currentColor; }\n      .math-italic { font-family: 'Times New Roman', Times, serif; font-style: italic; font-size: 24px; fill: currentColor; }\n      .math-sub { font-family: 'Times New Roman', Times, serif; font-style: italic; font-size: 14px; fill: currentColor; }\n      .fraction-line { stroke: currentColor; stroke-width: 1.5; }\n    <\/style>\n    \n    <!-- \u5de6\u4fa7: L_max = -->\n    <text x=\"10\" y=\"45\" class=\"math-italic\">L<\/text>\n    <text x=\"24\" y=\"52\" class=\"math-sub\">max<\/text>\n    <text x=\"60\" y=\"45\" class=\"math-text\">=<\/text>\n    \n    <!-- \u3010\u6807\u51c6\u8bd5\u5377\u6a2a\u7ebf\u5206\u5f0f\u7ed3\u6784\u3011 -->\n    <!-- \u5206\u5b50: \u0394L_allowable -->\n    <text x=\"140\" y=\"26\" class=\"math-text\">\u0394<\/text>\n    <text x=\"160\" y=\"26\" class=\"math-italic\">L<\/text>\n    <text x=\"173\" y=\"33\" class=\"math-sub\">allowable<\/text>\n    \n    <!-- \u5206\u5f0f\u4e2d\u95f4\u7684\u6c34\u5e73\u5206\u5272\u7ebf -->\n    <line x1=\"90\" y1=\"36\" x2=\"410\" y2=\"36\" class=\"fraction-line\"><\/line>\n    \n    <!-- \u5206\u6bcd: \u03b1 \u00b7 (T_operating - T_installation) -->\n    <text x=\"105\" y=\"60\" class=\"math-text\">\u03b1<\/text>\n    <text x=\"125\" y=\"60\" class=\"math-text\">\u00b7<\/text>\n    <text x=\"140\" y=\"60\" class=\"math-text\">(<\/text>\n    \n    <!-- T_operating -->\n    <text x=\"152\" y=\"60\" class=\"math-italic\">T<\/text>\n    <text x=\"165\" y=\"67\" class=\"math-sub\">operating<\/text>\n    \n    <!-- \u51cf\u53f7 -->\n    <text x=\"232\" y=\"60\" class=\"math-text\">\u2212<\/text>\n    \n    <!-- T_installation -->\n    <text x=\"255\" y=\"60\" class=\"math-italic\">T<\/text>\n    <text x=\"268\" y=\"67\" class=\"math-sub\">installation<\/text>\n    \n    <text x=\"345\" y=\"60\" class=\"math-text\">)<\/text>\n  <\/svg>\n<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23fae10 elementor-widget elementor-widget-text-editor\" data-id=\"23fae10\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEnsure that you include a safety margin of at least 15% during these calculations.For instance,do not exceed 80% of the maximum rated bellows movement.This safety buffer accounts for unexpected steam temperature spikes or extreme environmental ambient shifts.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdf4836 elementor-widget elementor-widget-heading\" data-id=\"fdf4836\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">304\/304L Stainless Steel Pipe:Max. Anchoring Span at 250\u00b0C<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f2e63f elementor-widget elementor-widget-text-editor\" data-id=\"6f2e63f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Taille nominale du tuyau<\/th>\n<th>Bellows Capacity(\u0394L<sub>allowable<\/sub>)<\/th>\n<th>Calculated Maximum Anchor Span(L<sub>max<\/sub>)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">3 Inches (DN80)<\/td>\n<td>\u00b1 25 mm<\/td>\n<td>31.3 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">6 Inches (DN150)<\/td>\n<td>\u00b1 40 mm<\/td>\n<td>50.1 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 Inches (DN300)<\/td>\n<td>\u00b1 60 mm<\/td>\n<td>75.2 Meters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dea0922 elementor-widget elementor-widget-heading\" data-id=\"dea0922\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">316\/316L Stainless Steel Pipe:Max. Anchoring Span at 250\u00b0C<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-654a46e elementor-widget elementor-widget-text-editor\" data-id=\"654a46e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Taille nominale du tuyau<\/th>\n<th>Bellows Capacity(\u0394L<sub>allowable<\/sub>)<\/th>\n<th>Calculated Maximum Anchor Span(L<sub>max<\/sub>)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">3 Inches (DN80)<\/td>\n<td>\u00b1 25 mm<\/td>\n<td>30.6 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">6 Inches (DN150)<\/td>\n<td>\u00b1 40 mm<\/td>\n<td>49.0 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 Inches (DN300)<\/td>\n<td>\u00b1 60 mm<\/td>\n<td>73.5 Meters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0fd7c9 elementor-widget elementor-widget-heading\" data-id=\"a0fd7c9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2205 \/ 2507 Duplex Pipe:Max. Anchoring Span at 250\u00b0C<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9da580 elementor-widget elementor-widget-text-editor\" data-id=\"d9da580\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Taille nominale du tuyau<\/th>\n<th>Bellows Capacity(\u0394L<sub>allowable<\/sub>)<\/th>\n<th>Calculated Maximum Anchor Span(L<sub>max<\/sub>)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">3 Inches (DN80)<\/td>\n<td>\u00b1 25 mm<\/td>\n<td>38.4 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">6 Inches (DN150)<\/td>\n<td>\u00b1 40 mm<\/td>\n<td>61.5 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 Inches (DN300)<\/td>\n<td>\u00b1 60 mm<\/td>\n<td>92.3 Meters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aee09eb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aee09eb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-54a16c4\" data-id=\"54a16c4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-711c789 elementor-widget elementor-widget-heading\" data-id=\"711c789\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Step 3: Calculate Pipe Guide Spacing Spans<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af1012d elementor-widget elementor-widget-text-editor\" data-id=\"af1012d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tNext,you must design a rigid pipe guiding system along the calculated span.Proper alignment prevents a seamless pipe expansion joint from buckling under high steam pressures.Internal fluid pressure creates squirm forces inside the flexible bellows component.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c3fff3 elementor-widget elementor-widget-text-editor\" data-id=\"7c3fff3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tAccording to standard EJMA regulations,position the first guide within four pipe diameters from the joint.Next,place the second guide within fourteen pipe diameters from the first guide.Finally,use standard structural spacing charts to lay out all subsequent pipe guides across the remaining span.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd25280 elementor-widget elementor-widget-heading\" data-id=\"bd25280\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Recommended Pipe Guide Spacing Intervals<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aab5401 elementor-widget elementor-widget-text-editor\" data-id=\"aab5401\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Taille nominale du tuyau<\/th>\n<th>First Guide Distance (Max)<\/th>\n<th>Second Guide Distance (Max)<\/th>\n<th>Subsequent Guide Spacing<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">3 Inches (DN80)<\/td>\n<td>0.30 Meters<\/td>\n<td>1.05 Meters<\/td>\n<td>9.0 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">6 Inches (DN150)<\/td>\n<td>0.60 Meters<\/td>\n<td>2.10 Meters<\/td>\n<td>14.0 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 Inches (DN300)<\/td>\n<td>1.20 Meters<\/td>\n<td>4.20 Meters<\/td>\n<td>22.0 Meters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49f49ba elementor-widget elementor-widget-heading\" data-id=\"49f49ba\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Compliance with EJMA Standard Specifications<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebd9ba4 elementor-widget elementor-widget-text-editor\" data-id=\"ebd9ba4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe Expansion Joint Manufacturers Association (EJMA) sets international design codes for these industrial installations.Specifically,EJMA standards ensure that flexible metal bellows do not buckle under shifting pressure loads.If you ignore these regulations,internal fluid forces will distort the bellows elements immediately.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60728b6 elementor-widget elementor-widget-text-editor\" data-id=\"60728b6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEngineers must calculate maximum intermediate guide spacing using precise EJMA stability criteria.Higher operational steam pressures require much closer guide intervals to prevent column buckling.Let us examine the core EJMA maximum intermediate guide spacing limits for steam piping below.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa07a32 elementor-widget elementor-widget-heading\" data-id=\"aa07a32\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">EJMA Maximum Intermediate Guide Spacing Based on Steam Pressure<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72e1f54 elementor-widget elementor-widget-text-editor\" data-id=\"72e1f54\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>NPS<\/th>\n<th>Operating Steam Pressure<\/th>\n<th>Maximum Allowed Intermediate Spacing<\/th>\n<th>EJMA Stability Safety Factor<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">3 Inches (DN80)<\/td>\n<td>10 Bar<\/td>\n<td>11.5 Meters<\/td>\n<td rowspan=\"6\">4.0<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">3 Inches (DN80)<\/td>\n<td>20 Bar<\/td>\n<td>8.2 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">6 Inches (DN150)<\/td>\n<td>10 Bar<\/td>\n<td>18.4 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">6 Inches (DN150)<\/td>\n<td>20 Bar<\/td>\n<td>13.1 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 Inches (DN300)<\/td>\n<td>10 Bar<\/td>\n<td>29.6 Meters<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 Inches (DN300)<\/td>\n<td>20 Bar<\/td>\n<td>21.2 Meters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19c7083 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19c7083\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3a07fb2\" data-id=\"3a07fb2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9602330 elementor-widget elementor-widget-heading\" data-id=\"9602330\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Troubleshooting Your Seamless Pipe Expansion Joint Span<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04413a2 elementor-widget elementor-widget-accordion\" data-id=\"04413a2\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-4461\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-4461\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What happens if the calculated anchor span is too long?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4461\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-4461\"><p>An excessive span generates more thermal expansion than the bellows can absorb safely.As a result,the metal suffers from rapid fatigue cracking.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-4462\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-4462\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Can internal steam velocity cause expansion bellows failure?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4462\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-4462\"><p><strong>Oui<\/strong>,high-velocity steam causes severe bellows vibration and localized erosion.You must specify an internal flow sleeve for steam velocities exceeding <strong>15 m\/s<\/strong>.This sleeve prevents the steam from damaging the internal bellows of your seamless pipe expansion joint.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-4463\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-4463\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How does high pressure affect the pipe guide layout?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4463\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-4463\"><p>High internal pressure increases the risk of column buckling along the piping span.You must reduce the guide spacing intervals significantly at higher pressures.Always consult updated EJMA tables when choosing a seamless pipe expansion joint for superheated steam.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-4464\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-4464\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Is a 2205 \/ 2507 duplex pipe safer than standard grades?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4464\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-4464\"><p><strong>Absolument<\/strong>,2205 \/ 2507 duplex pipes offer much higher mechanical yield strength and excellent chloride resistance.They possess a lower thermal expansion coefficient than standard austenitic steel.Utilizing duplex alloys allows you to design longer anchor spans safely.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What happens if the calculated anchor span is too long?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<p>An excessive span generates more thermal expansion than the bellows can absorb safely.As a result,the metal suffers from rapid fatigue cracking.<\\\/p>\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can internal steam velocity cause expansion bellows failure?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<p><strong>Yes<\\\/strong>,high-velocity steam causes severe bellows vibration and localized erosion.You must specify an internal flow sleeve for steam velocities exceeding <strong>15 m\\\/s<\\\/strong>.This sleeve prevents the steam from damaging the internal bellows of your seamless pipe expansion joint.<\\\/p>\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does high pressure affect the pipe guide layout?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<p>High internal pressure increases the risk of column buckling along the piping span.You must reduce the guide spacing intervals significantly at higher pressures.Always consult updated EJMA tables when choosing a seamless pipe expansion joint for superheated steam.<\\\/p>\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is a 2205 \\\/ 2507 duplex pipe safer than standard grades?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<p><strong>Absolutely<\\\/strong>,2205 \\\/ 2507 duplex pipes offer much higher mechanical yield strength and excellent chloride resistance.They possess a lower thermal expansion coefficient than standard austenitic steel.Utilizing duplex alloys allows you to design longer anchor spans safely.<\\\/p>\"\n            }\n        }\n    ]\n}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ebf91f0 elementor-section-boxed 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https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Calculate The Span of A Seamless Pipe Expansion Joint for Steam<\/title>\n<meta name=\"description\" content=\"Installing a seamless pipe expansion joint protects industrial steam systems from catastrophic structural failures due to thermal growth.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/fr\/blog\/the-span-of-seamless-pipe-expansion-joint\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculate The Span of A Seamless Pipe Expansion Joint for Steam\" \/>\n<meta property=\"og:description\" content=\"Installing a seamless pipe expansion joint protects industrial steam systems from catastrophic structural failures due to thermal growth.\" \/>\n<meta property=\"og:url\" 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