{"id":1760,"date":"2021-10-27T15:22:19","date_gmt":"2021-10-27T15:22:19","guid":{"rendered":"https:\/\/globalgeotech.co.uk\/?page_id=1760"},"modified":"2021-10-28T11:35:19","modified_gmt":"2021-10-28T11:35:19","slug":"412f-airflush-core-barrel","status":"publish","type":"page","link":"https:\/\/globalgeotech.co.uk\/index.php\/412f-airflush-core-barrel\/","title":{"rendered":"412F Airflush Core Barrel"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1760\" class=\"elementor elementor-1760\">\n\t\t\t\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"ob-is-breaking-bad elementor-section elementor-top-section elementor-element elementor-element-6ada9977 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ada9977\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ob_bbad_use_it&quot;:&quot;yes&quot;,&quot;_ob_bbad_sssic_use&quot;:&quot;no&quot;,&quot;_ob_glider_is_slider&quot;:&quot;no&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\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-32599b62\" data-id=\"32599b62\" data-element_type=\"column\" data-settings=\"{&quot;_ob_bbad_is_stalker&quot;:&quot;no&quot;,&quot;_ob_teleporter_use&quot;:false,&quot;_ob_column_hoveranimator&quot;:&quot;no&quot;,&quot;_ob_column_has_pseudo&quot;:&quot;no&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"ob-is-breaking-bad elementor-section elementor-top-section elementor-element elementor-element-28ae4621 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"28ae4621\" data-element_type=\"section\" data-settings=\"{&quot;_ob_bbad_use_it&quot;:&quot;yes&quot;,&quot;_ob_bbad_sssic_use&quot;:&quot;no&quot;,&quot;_ob_glider_is_slider&quot;:&quot;no&quot;}\">\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-50 elementor-top-column elementor-element elementor-element-22222eb0\" data-id=\"22222eb0\" data-element_type=\"column\" data-settings=\"{&quot;_ob_bbad_is_stalker&quot;:&quot;no&quot;,&quot;_ob_teleporter_use&quot;:false,&quot;_ob_column_hoveranimator&quot;:&quot;no&quot;,&quot;_ob_column_has_pseudo&quot;:&quot;no&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-43c92ce5 ob-harakiri-inherit elementor-widget elementor-widget-heading\" data-id=\"43c92ce5\" data-element_type=\"widget\" data-settings=\"{&quot;_ob_harakiri_writing_mode&quot;:&quot;inherit&quot;,&quot;_ob_perspektive_use&quot;:&quot;no&quot;,&quot;_ob_shadough_use&quot;:&quot;no&quot;,&quot;_ob_allow_hoveranimator&quot;:&quot;no&quot;,&quot;_ob_widget_stalker_use&quot;:&quot;no&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.3 - 12-04-2022 *\/\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><h2 class=\"elementor-heading-title elementor-size-default\">412F Airflush Core Barrel\n<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-183fe881 ob-harakiri-inherit elementor-widget elementor-widget-text-editor\" data-id=\"183fe881\" data-element_type=\"widget\" data-settings=\"{&quot;_ob_harakiri_writing_mode&quot;:&quot;inherit&quot;,&quot;_ob_perspektive_use&quot;:&quot;no&quot;,&quot;_ob_shadough_use&quot;:&quot;no&quot;,&quot;_ob_allow_hoveranimator&quot;:&quot;no&quot;,&quot;_ob_widget_stalker_use&quot;:&quot;no&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.3 - 12-04-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;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>The 412F airflush core barrel is designed for coring in soft to medium hard rocks using air as the flushing medium. It is often used for open-cast coal exploration and general geotechnical coring in situations where it is not desirable to use air as the flushing medium.<\/p><p>The large annular space between the inner and outer tubes, in combination with face-discharge core bit designs, allows a large volume of air to reach the face of the bit . This is essential for cooling the bit and uplifting rock cuttings from the borehole.<\/p><p>This core barrel has proved to be very effective when used with PCD core bits, giving a fast rate of penetration and good core recovery<\/p><p>Advantages:<\/p><ul><li>Optimized for the use of air flush<\/li><\/ul><h5>Technical Data<\/h5><table border=\"1\" summary=\"Technical data for T6 Metric Core Barrels\" width=\"544\" cellspacing=\"1\" cellpadding=\"1\"><tbody><tr><th rowspan=\"2\">Specification<\/th><th colspan=\"1\">Core Barrel Type<\/th><\/tr><tr><th>412F<\/th><\/tr><tr><td>Hole Diameter (mm)<\/td><td>107.2<\/td><\/tr><tr><td>Core Diameter (mm)<\/td><td>74.7<\/td><\/tr><tr><td>Kerf \/ Crown Thickness (mm)<\/td><td>16.25<\/td><\/tr><tr><td>Cutting Area (cm<sup>2<\/sup>)<\/td><td>46.5<\/td><\/tr><tr><td>Hole Area (cm<sup>2<\/sup>)<\/td><td>90.3<\/td><\/tr><tr><td>Cutting Area as % of Hole Area<\/td><td>51.4%<\/td><\/tr><tr><td>Core Area (cm<sup>2<\/sup>)<\/td><td>43.8<\/td><\/tr><tr><td>Thread Connection in Head*<\/td><td>HW<\/td><\/tr><tr><td>Recommended Casing<\/td><td>PW<\/td><\/tr><tr><td>Conversion to triple tube possible<\/td><td>Yes<\/td><\/tr><\/tbody><\/table><p>*Cross-over sub required for drill rods not matching the thread connection in core barrel head<\/p><h5>Key to Main Parts of 412F Core Barrel Assembly<\/h5><p><strong>Complete core barrel consists of:<\/strong><\/p><p>1. Core Barrel Head<\/p><p>2.\u00a0 Inner Tube 1.5m or 3.0m<\/p><p>3. Outer Tube 1.5m or 3.0m<\/p><p>4. Inner Tube Extension<\/p><p>5. Core Lifter<\/p><p>6. Core Lifter Case<\/p><p>Core Bit is not supplied as part of the core barrel assembly, but must be chosen correctly to match the particular application and rock formation. Please refer to our\u00a0<a href=\"https:\/\/globalgeotech.co.uk\/index.php\/core-bits-and-casing-shoes-2\/\">Core Bits<\/a>\u00a0page for further details.<\/p>\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-48554904\" data-id=\"48554904\" data-element_type=\"column\" data-settings=\"{&quot;_ob_bbad_is_stalker&quot;:&quot;no&quot;,&quot;_ob_teleporter_use&quot;:false,&quot;_ob_column_hoveranimator&quot;:&quot;no&quot;,&quot;_ob_column_has_pseudo&quot;:&quot;no&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-73e2d0f4 elementor-widget elementor-widget-image\" data-id=\"73e2d0f4\" data-element_type=\"widget\" data-settings=\"{&quot;_ob_photomorph_use&quot;:&quot;no&quot;,&quot;_ob_perspektive_use&quot;:&quot;no&quot;,&quot;_ob_shadough_use&quot;:&quot;no&quot;,&quot;_ob_allow_hoveranimator&quot;:&quot;no&quot;,&quot;_ob_widget_stalker_use&quot;:&quot;no&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.3 - 12-04-2022 *\/\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 img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" width=\"200\" height=\"887\" src=\"https:\/\/globalgeotech.co.uk\/wp-content\/uploads\/2021\/10\/WF-Core-Barrel-1.jpeg\" class=\"attachment-large size-large\" alt=\"\" \/>\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<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>412F Airflush Core Barrel The 412F airflush core barrel is designed for coring in soft to medium hard rocks using air as the flushing medium. It is often used for open-cast coal exploration and general geotechnical coring in situations where it is not desirable to use air as the flushing medium. The large annular space &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/globalgeotech.co.uk\/index.php\/412f-airflush-core-barrel\/\"> <span class=\"screen-reader-text\">412F Airflush Core Barrel<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>412F Airflush Core Barrel - Global Geotech<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/globalgeotech.co.uk\/index.php\/412f-airflush-core-barrel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"412F Airflush Core Barrel - Global Geotech\" \/>\n<meta property=\"og:description\" content=\"412F Airflush Core Barrel The 412F airflush core barrel is designed for coring in soft to medium hard rocks using air as the flushing medium. It is often used for open-cast coal exploration and general geotechnical coring in situations where it is not desirable to use air as the flushing medium. 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It is often used for open-cast coal exploration and general geotechnical coring in situations where it is not desirable to use air as the flushing medium. 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