{"id":1872,"date":"2020-09-03T12:53:12","date_gmt":"2020-09-03T10:53:12","guid":{"rendered":"https:\/\/www.tcomp.dk\/?page_id=1872"},"modified":"2026-04-27T13:17:16","modified_gmt":"2026-04-27T11:17:16","slug":"one-time-expansion-joint","status":"publish","type":"page","link":"https:\/\/www.tcomp.dk\/index.php\/products-districtheating\/one-time-expansion-joint\/","title":{"rendered":"One-Time Expansion Joint"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row full_width_row=&#8221;true&#8221; padding_left=&#8221;30&#8243; padding_right=&#8221;30&#8243;][vc_column][vc_custom_heading text=&#8221;ONE-TIME EXPANSION JOINT&#8221; google_fonts=&#8221;font_family:Roboto%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&#8221;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.dt-breadcrumbs-id-a7f75ac5b55208c9dc878372ded87e8e .breadcrumbs {\n  display: inline-block;\n  margin: 0;\n  padding: 2px 0px 2px 0px;\n  border: 0px solid ;\n  border-radius: 0px;\n}\n.dt-breadcrumbs-id-a7f75ac5b55208c9dc878372ded87e8e .breadcrumbs * {\n  color: #a2a5a6;\n}<\/style><div class=\"dt-breadcrumbs-shortcode dt-breadcrumbs-id-a7f75ac5b55208c9dc878372ded87e8e align-left\"><div class=\"assistive-text\">You are here:<\/div><ol class=\"breadcrumbs text-small\" itemscope itemtype=\"https:\/\/schema.org\/BreadcrumbList\"><li itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"><a itemprop=\"item\" href=\"https:\/\/www.tcomp.dk\/\" title=\"Home\"><span itemprop=\"name\">Home<\/span><\/a><meta itemprop=\"position\" content=\"1\" \/><\/li><li class=\"current\" itemprop=\"itemListElement\" itemscope itemtype=\"https:\/\/schema.org\/ListItem\"><span itemprop=\"name\">Page<\/span><meta itemprop=\"position\" content=\"2\" \/><\/li><\/ol><\/div>[vc_empty_space height=&#8221;20px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_separator color=&#8221;custom&#8221; border_width=&#8221;3&#8243; accent_color=&#8221;#f07924&#8243;][\/vc_column][\/vc_row][vc_row full_width_row=&#8221;true&#8221; padding_left=&#8221;30&#8243;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1599122861093{margin-top: 30px !important;padding-right: 20px !important;}&#8221;][vc_single_image image=&#8221;1258&#8243; img_size=&#8221;550&#215;354&#8243; alignment=&#8221;center&#8221; image_hovers=&#8221;false&#8221;][vc_single_image image=&#8221;1257&#8243; img_size=&#8221;550&#215;354&#8243; alignment=&#8221;center&#8221; image_hovers=&#8221;false&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1599123035618{margin-top: 20px !important;margin-right: 20px !important;}&#8221;][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;1281&#8243; img_size=&#8221;80&#215;80&#8243; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; css_animation=&#8221;none&#8221; css=&#8221;&#8221; image_hovers=&#8221;false&#8221; link=&#8221;https:\/\/www.tcomp.dk\/wp-content\/uploads\/2026\/04\/District-Heating-Rev.-9.pdf&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<p style=\"text-align: center;\"><a class=\"bluegradient\" href=\"https:\/\/www.tcomp.dk\/wp-content\/uploads\/2026\/04\/District-Heating-Rev.-9.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Details data sheet<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;1281&#8243; img_size=&#8221;80&#215;80&#8243; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; image_hovers=&#8221;false&#8221; link=&#8221;https:\/\/www.tcomp.dk\/wp-content\/uploads\/2026\/04\/District-Heating-Installation-Guide-Rev.-4.pdf&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<p style=\"text-align: center;\"><a class=\"bluegradient\" href=\"https:\/\/www.tcomp.dk\/wp-content\/uploads\/2026\/04\/District-Heating-Installation-Guide-Rev.-4.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Installation<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">#default-btn-f816eb550ce328a180f82121a03b88a7.ico-right-side > i {\n  margin-right: 0px;\n  margin-left: 10px;\n}\n#default-btn-f816eb550ce328a180f82121a03b88a7 > i {\n  margin-right: 10px;\n}<\/style><div class=\"btn-align-center\"><a href=\"https:\/\/www.tcomp.dk\/index.php\/en\/inquiry-sheet\/\" class=\"default-btn-shortcode dt-btn dt-btn-m link-hover-off  vc_custom_1589363076217\" id=\"default-btn-f816eb550ce328a180f82121a03b88a7\" title=\"Send Inquiry\"><i class=\"Defaults-paper-plane\"><\/i><span>Send Inquiry<\/span><\/a><\/div>[vc_empty_space height=&#8221;50px&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><a class=\"bluegradient\" href=\"m&#97;&#105;&#x6c;&#x74;o&#58;&#116;&#x63;&#x6f;&#x6d;p&#64;&#116;&#x63;&#x6f;mp&#46;&#x64;&#x6b;\">&#116;&#x63;&#111;&#x6d;p&#64;&#x74;&#99;&#x6f;m&#x70;&#46;&#100;&#x6b;<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner css=&#8221;.vc_custom_1599122726556{margin-top: 20px !important;}&#8221;][vc_column_inner][vc_column_text css=&#8221;.vc_custom_1599132519575{padding-right: 50px !important;}&#8221;]<strong>One-Time<\/strong> Expansion Joint is a one-off axial exspansion joint as used in district heating pipelines during start up. Variations in the temperature causes tensions and movement in the pipeline. Once the One-time exspansion joint have absorbed the movement, it has a normal function as a pipe. It is used to absorb the tensile and compresive stresses in the pipeline.[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1599129776039{padding-right: 50px !important;}&#8221;]When compensators are correctly installed, pipesystem has been filled with hot water, and design pressure, they should be locked by fully weld, the non-welded end of shroud. Always remember to check installation, has been done corectly according to EN13941.[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1599129781261{padding-right: 50px !important;}&#8221;]At inspection of pipeline, where One time Compensators are installed. They can be inspected trough the leak hole (Small screw in shroud), if any water is leaking trough the bellow.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_separator color=&#8221;custom&#8221; border_width=&#8221;3&#8243; accent_color=&#8221;#f07924&#8243;][vc_row_inner css=&#8221;.vc_custom_1599122980095{padding-top: 20px !important;padding-bottom: -5px !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1599129691411{padding-right: 30px !important;}&#8221;]<strong>ONE-TIME RANGE<\/strong><\/p>\n<ul>\n<li>Size: DN25 \u2013 DN700<\/li>\n<li>Temp: 120\u00b0C +<\/li>\n<li>Pressure: 25 BarG<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1599130208469{padding-right: 30px !important;}&#8221;]<strong>FEATURES<\/strong><\/p>\n<ul>\n<li>Maintenance free<\/li>\n<li>Sealing Shroud<\/li>\n<li>Easy installation and isolation<\/li>\n<li>Can be delivered with<br \/>\ncostumized pre-settin<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width_row=&#8221;true&#8221; padding_left=&#8221;30&#8243; padding_right=&#8221;30&#8243;][vc_column][vc_custom_heading text=&#8221;ONE-TIME EXPANSION JOINT&#8221; google_fonts=&#8221;font_family:Roboto%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&#8221;][vc_empty_space height=&#8221;20px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_separator color=&#8221;custom&#8221; border_width=&#8221;3&#8243; accent_color=&#8221;#f07924&#8243;][\/vc_column][\/vc_row][vc_row full_width_row=&#8221;true&#8221; padding_left=&#8221;30&#8243;][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1599122861093{margin-top: 30px !important;padding-right: 20px !important;}&#8221;][vc_single_image image=&#8221;1258&#8243; img_size=&#8221;550&#215;354&#8243; alignment=&#8221;center&#8221; image_hovers=&#8221;false&#8221;][vc_single_image image=&#8221;1257&#8243; img_size=&#8221;550&#215;354&#8243; alignment=&#8221;center&#8221; image_hovers=&#8221;false&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1599123035618{margin-top: 20px !important;margin-right: 20px !important;}&#8221;][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;1281&#8243; img_size=&#8221;80&#215;80&#8243; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; css_animation=&#8221;none&#8221; css=&#8221;&#8221; image_hovers=&#8221;false&#8221; link=&#8221;https:\/\/www.tcomp.dk\/wp-content\/uploads\/2026\/04\/District-Heating-Rev.-9.pdf&#8221;][vc_column_text css=&#8221;&#8221;] Details data sheet [\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;1281&#8243; img_size=&#8221;80&#215;80&#8243; alignment=&#8221;center&#8221;&hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":767,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1872","page","type-page","status-publish","hentry","description-off"],"_links":{"self":[{"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/pages\/1872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/comments?post=1872"}],"version-history":[{"count":3,"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/pages\/1872\/revisions"}],"predecessor-version":[{"id":4566,"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/pages\/1872\/revisions\/4566"}],"up":[{"embeddable":true,"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/pages\/767"}],"wp:attachment":[{"href":"https:\/\/www.tcomp.dk\/index.php\/wp-json\/wp\/v2\/media?parent=1872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}