{"id":1655,"date":"2026-07-14T13:12:11","date_gmt":"2026-07-14T11:12:11","guid":{"rendered":"https:\/\/neu.isoflanges.de\/knowledge\/"},"modified":"2026-09-01T09:06:55","modified_gmt":"2026-09-01T07:06:55","slug":"knowledge","status":"publish","type":"page","link":"https:\/\/www.isoflanges.de\/en\/services-knowledge\/knowledge\/","title":{"rendered":"Knowledge"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1655\" class=\"elementor elementor-1655 elementor-673\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-de0b71c e-con-full e-flex e-con e-parent\" data-id=\"de0b71c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7407e11 elementor-align-left elementor-widget elementor-widget-breadcrumbs\" data-id=\"7407e11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e5802d7 e-flex e-con-boxed e-con e-parent\" data-id=\"e5802d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-71daf18 e-con-full e-flex e-con e-child\" data-id=\"71daf18\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ccb49cf elementor-widget elementor-widget-heading\" data-id=\"ccb49cf\" data-element_type=\"widget\" data-e-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\">Knowledge<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1dee241 elementor-widget elementor-widget-heading\" data-id=\"1dee241\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Real-world questions.<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfc4b2e elementor-widget elementor-widget-text-editor\" data-id=\"cfc4b2e\" data-element_type=\"widget\" data-e-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>Which insulating flange connection is best suited for which application? What should be kept in mind during installation? How do HP2 and HQ2 differ in practice? And what does CCP protection specifically mean for my system?   <\/p><p>In our Knowledge Center, we compile the questions we\u2019re asked most frequently by operators, designers, and installers\u2014and answer them clearly and with technical precision. This is supplemented by articles and technical papers that delve deeper into the topics: regulations, material suitability, testing procedures, H\u2082 compatibility, and more. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\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<div class=\"elementor-element elementor-element-b783214 e-flex e-con-boxed e-con e-parent\" data-id=\"b783214\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1bea771 elementor-hidden-widescreen elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-heading\" data-id=\"1bea771\" data-element_type=\"widget\" data-e-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\">Subject Area<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd709f9 elementor-widget elementor-widget-n-accordion\" data-id=\"bd709f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1980\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1980\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the difference between an ISOFLANGES block flange connection and conventional flanges? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1980\" class=\"elementor-element elementor-element-0d370ef e-con-full e-flex e-con e-child\" data-id=\"0d370ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1980\" class=\"elementor-element elementor-element-e9be368 e-flex e-con-boxed e-con e-child\" data-id=\"e9be368\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d629f7 elementor-widget elementor-widget-text-editor\" data-id=\"3d629f7\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">ISOFLANGES&#8217; HP2 is designed as a heavy-duty block flange connection. Compensating rings and gaskets fit into precise grooves, forming a gap-free assembly. <\/div><div> <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Unlike many conventional insulating flanges, in which sealing and insulating elements often merely rest on the surface or make contact only at specific points, HP2 features a closed-block design. This design allows it to withstand higher compressive, shear, bending, and torsional forces than conventional insulating flange connections. <\/div><div> <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">For the plant, this means that the separation point is designed for maximum tightness and mechanical stability, reducing testing and maintenance requirements to a minimum.<\/div>\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<div class=\"elementor-element elementor-element-d9da3e7 elementor-widget elementor-widget-image\" data-id=\"d9da3e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"506\" src=\"https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_BLOCK-FLANGE-CONNECTION-1-1024x648.png\" class=\"attachment-large size-large wp-image-2167\" alt=\"BLOCK FLANGE CONNECTION\" srcset=\"https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_BLOCK-FLANGE-CONNECTION-1-1024x648.png 1024w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_BLOCK-FLANGE-CONNECTION-1-300x190.png 300w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_BLOCK-FLANGE-CONNECTION-1-768x486.png 768w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_BLOCK-FLANGE-CONNECTION-1-1536x971.png 1536w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_BLOCK-FLANGE-CONNECTION-1-2048x1295.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1981\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1981\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Why does ISOFLANGES use full-contact screw seats instead of insulating U-washers for most of its products? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1981\" class=\"elementor-element elementor-element-c962672 e-con-full e-flex e-con e-child\" data-id=\"c962672\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1981\" class=\"elementor-element elementor-element-c7f5bd0 e-flex e-con-boxed e-con e-child\" data-id=\"c7f5bd0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-79f7ff7 elementor-widget elementor-widget-text-editor\" data-id=\"79f7ff7\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Instead of U-shaped insulating washers that provide localized support, ISOFLANGES uses insulating rings with a continuous contact surface across the entire flange diameter. This distributes the bolt tightening torque over a much larger area. <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">This allows for higher tightening torques, a deformation-free joint, and\u2014as intended by the design\u2014up to 100% bolt utilisation. The result: The bolted joint is utilized more effectively, and the connection remains stable and leak-tight even under load. <\/div><\/div>\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-ff03837 elementor-widget elementor-widget-image\" data-id=\"ff03837\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"336\" src=\"https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_FULL-SURFACE-BOLT-CONTACT-AREA-1-1024x430.png\" class=\"attachment-large size-large wp-image-2166\" alt=\"FULL-SURFACE BOLT CONTACT AREA\" srcset=\"https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_FULL-SURFACE-BOLT-CONTACT-AREA-1-1024x430.png 1024w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_FULL-SURFACE-BOLT-CONTACT-AREA-1-300x126.png 300w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_FULL-SURFACE-BOLT-CONTACT-AREA-1-768x323.png 768w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_FULL-SURFACE-BOLT-CONTACT-AREA-1-1536x645.png 1536w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken_FULL-SURFACE-BOLT-CONTACT-AREA-1-2048x860.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\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<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1982\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1982\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What versions of ISOFLANGES's best-selling HP2 are available\u2014and what are they suitable for? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1982\" class=\"elementor-element elementor-element-41a7a92 e-con-full e-flex e-con e-child\" data-id=\"41a7a92\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1982\" class=\"elementor-element elementor-element-383e646 e-flex e-con-boxed e-con e-child\" data-id=\"383e646\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0fc5b81 elementor-widget elementor-widget-text-editor\" data-id=\"0fc5b81\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><p>HP2 is available in several versions that cater to different applications:<\/p><ul><li>HP2 \u2013 Liquids and Gases (including H2 and CO2)<br\/>Maintenance-free, pressure-resistant insulation and corrosion protection for liquid and gaseous media\u2014from natural gas to 100% hydrogen and CO2.<\/li><\/ul><p> <\/p><ul><li>HP2 KKS5 Conversion System<br\/>Turns existing ASME and DIN flange connections into a code-compliant, 100% CCP-effective insulating point with an installation length of just 5 mm\u2014without requiring any modifications to the pipe fittings.<\/li><\/ul><p> <\/p><ul><li>ISO\u2011KonneX<br\/>Applies HP2 technology to clamp and cutting-ring connections, enabling electrical isolation and CCP concepts even in screw-type connection systems.<\/li><\/ul><p> <\/p><ul><li>HP2 B Version (limited installation space)<br\/>A version optimized for minimal overall length with a single-sided insulating pressure ring combination\u2014for full-featured insulation points directly on valves and in tight installation spaces.<\/li><\/ul><p> <\/p><ul><li>HP2 \u2013 Drinking Water and Tap Water<br\/>Specialized materials and sealing systems for permanently leak-proof, hygienically safe, and code-compliant water applications.<\/li><\/ul><p> <\/p><ul><li>HP2 \u2013 aggressive and corrosive fluids<br\/>Version with precisely fitting inliners that protect the flange and flange facing surfaces and safely guide the fluid through the separation point.<\/li><\/ul><p> <\/p><ul><li>HP2 HTG (High Temperature)<br\/>For high temperatures and continuous thermal stress, when standard solutions reach their limits in terms of leak tightness.<\/li><\/ul><\/div>\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<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1983\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1983\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the advantage of the tapered reduction in the HP2 flange? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1983\" class=\"elementor-element elementor-element-360de0e e-con-full e-flex e-con e-child\" data-id=\"360de0e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1983\" class=\"elementor-element elementor-element-b4b8eb4 e-flex e-con-boxed e-con e-child\" data-id=\"b4b8eb4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f2c741 elementor-widget elementor-widget-text-editor\" data-id=\"6f2c741\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">In the HP2, a flanged cone reduces the cross-sectional area at the separation point. This increases the flow velocity of the medium, reliably prevents deposits, and extends the service life of the separation point. <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Especially in critical pipelines\u2014from long-distance pipelines to drinking water applications\u2014this conical guide reduces the risk of the medium settling at the insulation point and putting stress on the connection over time.<\/div><\/div>\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<div class=\"elementor-element elementor-element-5ddf24d elementor-widget elementor-widget-image\" data-id=\"5ddf24d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"677\" src=\"https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken__Konische-Reduzierung-1024x867.png\" class=\"attachment-large size-large wp-image-2125\" alt=\"Konische Reduzierung\" srcset=\"https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken__Konische-Reduzierung-1024x867.png 1024w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken__Konische-Reduzierung-300x254.png 300w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken__Konische-Reduzierung-768x650.png 768w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken__Konische-Reduzierung-1536x1300.png 1536w, https:\/\/www.isoflanges.de\/wp-content\/uploads\/2026\/08\/IF_Vorteilsgrafiken__Konische-Reduzierung-2048x1734.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1984\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1984\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What does the gap-free transition from the weld neck flange to the insulating flange mean? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1984\" class=\"elementor-element elementor-element-1ab739b e-con-full e-flex e-con e-child\" data-id=\"1ab739b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1984\" class=\"elementor-element elementor-element-d34c2d6 e-flex e-con-boxed e-con e-child\" data-id=\"d34c2d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f44db8 elementor-widget elementor-widget-text-editor\" data-id=\"9f44db8\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">ISOFLANGES block flanges are designed so that the transition from the weld neck flange to the insulating flange is gap-free. There are no gaps at the interface between the pipe, the weld neck flange, and the insulating flange. <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">In combination with the conical reducer, this gap-free transition promotes a deposit-free flow and helps ensure that the separation point remains mechanically and hydraulically stable throughout the system&#8217;s service life.<\/div><\/div><\/div>\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<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1985\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1985\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What tests do HP2 insulating flanges undergo before shipment? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1985\" class=\"elementor-element elementor-element-d7ea448 e-con-full e-flex e-con e-child\" data-id=\"d7ea448\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1985\" class=\"elementor-element elementor-element-5cb7f71 e-flex e-con-boxed e-con e-child\" data-id=\"5cb7f71\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cbb048c elementor-widget elementor-widget-text-editor\" data-id=\"cbb048c\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">HP2 insulating flanges are tested as a complete unit and certified in accordance with the relevant regulations. These include, among others: <\/div><div> <\/div><ul class=\"RichTextList-bulleted\"><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><strong>FAT (final acceptance testing)<\/strong><\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">The connection is tested as a complete insulating flange and certified in accordance with DIN EN 1594, DIN EN 12007-3, DVGW G 462 \/ G 463, DVGW GW 24, and TRFL \u00a7 9, para. 5, Part 2. <\/div><\/li><\/ul><p> <\/p><ul class=\"RichTextList-bulleted\"><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><strong>Leak Tests<\/strong><\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Multi-stage leak tests with test pressures exceeding 1.1 \u00d7 DP and graduated hold times demonstrate that the connection remains permanently leak-tight even under operating pressure.<\/div><\/li><\/ul><p> <\/p><ul class=\"RichTextList-bulleted\"><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><strong>Strength Test<\/strong><\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">A triple pressure test on the seal between 10 bar and 85% STP, followed by a strength test at 1.5\u00d7 DP (holding time of 30 minutes, using deaerated water), confirms the mechanical reserves of the joint.<\/div><\/li><\/ul><p> <\/p><ul class=\"RichTextList-bulleted\"><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><strong>High-Voltage Testing<\/strong><\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">A high-voltage test at 5,000 V \/ 50 Hz for 1 minute, with a threshold of 10 mA, ensures electrical insulation strength.<\/div><\/li><\/ul><p> <\/p><ul class=\"RichTextList-bulleted\"><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><strong>DC Voltage Test<\/strong><\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">An insulation resistance test using 500 V DC and a minimum threshold of 0.1 M\u03a9 verifies that electrical isolation is secure.<\/div><\/li><\/ul><\/div><\/div><\/div>\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<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1986\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1986\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What documentation do operators receive when purchasing insulating flanges? <\/div><\/span>\n\t\t\t\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1986\" class=\"elementor-element elementor-element-2a20a7f e-con-full e-flex e-con e-child\" data-id=\"2a20a7f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1986\" class=\"elementor-element elementor-element-8d1f715 e-flex e-con-boxed e-con e-child\" data-id=\"8d1f715\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6325fe7 elementor-widget elementor-widget-text-editor\" data-id=\"6325fe7\" data-element_type=\"widget\" data-e-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 class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\"><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Every HP2 insulating flange connection is delivered with specified tests and complete project documentation. The connection is accepted as a prefabricated component, has been mechanically and electrically tested, and is accompanied by all necessary certification. In this way, separation points become transparent safety features of a system that can be verified at any time.  <\/div><div> <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">The documentation includes, in particular:<\/div><ul class=\"RichTextList-bulleted\"><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Acceptance Test Certificate APZ 3.1 in accordance with DIN EN 10204<\/div><\/li><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Declaration of Conformity and CE Marking in accordance with the Machinery Directive 2014\/68\/EU (Module H)<\/div><\/li><li><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">Documents for FAT (final acceptance testing)<\/div><\/li><\/ul><div> <\/div><div class=\"TypographyPresentation_31345133_root TypographyPresentation_31345133_root--medium RichText3-paragraph--withVSpacingNormal RichText3-paragraph HighlightSol_1625403506_highlightSol HighlightSol_1625403506_buildingBlock\">The materials used are designed in accordance with DIN 30690 and AD 2000; the required tightening torque is indicated on the nameplate. The achieved leak-tightness values meet at least the requirements of the TA Luft and are therefore clearly verifiable by testing and approval authorities. <\/div><\/div><\/div><\/div><\/div>\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<\/div>\n\t\t\t\t\t<\/details>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5c2144c1 e-flex e-con-boxed e-con e-parent\" data-id=\"5c2144c1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18c6747d elementor-tablet-align-justify elementor-mobile-align-justify elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"18c6747d\" data-element_type=\"widget\" data-e-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\" href=\"https:\/\/www.isoflanges.de\/en\/services-knowledge\/training-courses\/\">\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\">Training Courses<\/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<div class=\"elementor-element elementor-element-27ed038a elementor-tablet-align-justify elementor-mobile-align-justify elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"27ed038a\" data-element_type=\"widget\" data-e-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\" href=\"https:\/\/www.isoflanges.de\/en\/products\/\">\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\">Products<\/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<div class=\"elementor-element elementor-element-40a2ce53 elementor-tablet-align-justify elementor-mobile-align-justify elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"40a2ce53\" data-element_type=\"widget\" data-e-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\" href=\"https:\/\/www.isoflanges.de\/en\/solutions\/\">\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\">Solutions<\/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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Knowledge Real-world questions. Which insulating flange connection is best suited for which application? What should be kept in mind during installation? How do HP2 and HQ2 differ in practice? And what does CCP protection specifically mean for my system? In our Knowledge Center, we compile the questions we\u2019re asked most frequently by operators, designers, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1674,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"folder":[],"class_list":["post-1655","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Knowledge - ISOFLANGES<\/title>\n<meta name=\"description\" content=\"Which insulating flange connection is suitable for which application? What should be kept in mind during installation? 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What should be kept in mind during installation? 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