{"id":2726,"date":"2026-10-26T16:10:51","date_gmt":"2026-10-26T15:10:51","guid":{"rendered":"https:\/\/www.ludwig-hunger.de\/product-ranges\/marine\/repairing-valves-and-valve-seats\/"},"modified":"2026-11-13T09:41:41","modified_gmt":"2026-11-13T08:41:41","slug":"repairing-valves-and-valve-seats","status":"publish","type":"page","link":"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/repairing-valves-and-valve-seats\/","title":{"rendered":"Reconditioning Valves and Valve Seats"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2726\" class=\"elementor elementor-2726 elementor-564\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16b658b2 e-flex e-con-boxed e-con e-parent\" data-id=\"16b658b2\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4915e4cf e-con e-atomic-element e-flexbox-base e-default-div e-4915e4cf-f3c2b03 \" data-id=\"4915e4cf\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"4915e4cf\">\n    <div class=\"elementor-element elementor-element-74700409 e-con e-atomic-element e-flexbox-base e-default-div e-74700409-ac22f16 \" data-id=\"74700409\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"74700409\">\n    \t\t<div class=\"elementor-element elementor-element-4e971e07 elementor-view-stacked elementor-position-inline-start elementor-mobile-position-inline-start elementor-shape-circle elementor-widget elementor-widget-icon-box\" data-id=\"4e971e07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-cogs\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M512.1 191l-8.2 14.3c-3 5.3-9.4 7.5-15.1 5.4-11.8-4.4-22.6-10.7-32.1-18.6-4.6-3.8-5.8-10.5-2.8-15.7l8.2-14.3c-6.9-8-12.3-17.3-15.9-27.4h-16.5c-6 0-11.2-4.3-12.2-10.3-2-12-2.1-24.6 0-37.1 1-6 6.2-10.4 12.2-10.4h16.5c3.6-10.1 9-19.4 15.9-27.4l-8.2-14.3c-3-5.2-1.9-11.9 2.8-15.7 9.5-7.9 20.4-14.2 32.1-18.6 5.7-2.1 12.1.1 15.1 5.4l8.2 14.3c10.5-1.9 21.2-1.9 31.7 0L552 6.3c3-5.3 9.4-7.5 15.1-5.4 11.8 4.4 22.6 10.7 32.1 18.6 4.6 3.8 5.8 10.5 2.8 15.7l-8.2 14.3c6.9 8 12.3 17.3 15.9 27.4h16.5c6 0 11.2 4.3 12.2 10.3 2 12 2.1 24.6 0 37.1-1 6-6.2 10.4-12.2 10.4h-16.5c-3.6 10.1-9 19.4-15.9 27.4l8.2 14.3c3 5.2 1.9 11.9-2.8 15.7-9.5 7.9-20.4 14.2-32.1 18.6-5.7 2.1-12.1-.1-15.1-5.4l-8.2-14.3c-10.4 1.9-21.2 1.9-31.7 0zm-10.5-58.8c38.5 29.6 82.4-14.3 52.8-52.8-38.5-29.7-82.4 14.3-52.8 52.8zM386.3 286.1l33.7 16.8c10.1 5.8 14.5 18.1 10.5 29.1-8.9 24.2-26.4 46.4-42.6 65.8-7.4 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2.8-15.7 9.5-7.9 20.4-14.2 32.1-18.6 5.7-2.1 12.1.1 15.1 5.4l8.2 14.3c10.5-1.9 21.2-1.9 31.7 0l8.2-14.3c3-5.3 9.4-7.5 15.1-5.4 11.8 4.4 22.6 10.7 32.1 18.6 4.6 3.8 5.8 10.5 2.8 15.7l-8.2 14.3c6.9 8 12.3 17.3 15.9 27.4h16.5c6 0 11.2 4.3 12.2 10.3 2 12 2.1 24.6 0 37.1-1 6-6.2 10.4-12.2 10.4h-16.5c-3.6 10.1-9 19.4-15.9 27.4l8.2 14.3c3 5.2 1.9 11.9-2.8 15.7-9.5 7.9-20.4 14.2-32.1 18.6-5.7 2.1-12.1-.1-15.1-5.4l-8.2-14.3c-10.4 1.9-21.2 1.9-31.7 0zM501.6 431c38.5 29.6 82.4-14.3 52.8-52.8-38.5-29.6-82.4 14.3-52.8 52.8z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tReconditioning Valves and Valve Seats\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-235585a1 e-con e-atomic-element e-flexbox-base e-default-div e-235585a1-6ef0dd6 \" data-id=\"235585a1\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"235585a1\">\n    \t\t<div class=\"elementor-element elementor-element-7567b830 elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-eael-breadcrumbs\" data-id=\"7567b830\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"eael-breadcrumbs\">\n\t\t\t<div class=\"eael-breadcrumbs__content\"><a href=\"https:\/\/www.ludwig-hunger.de\/en\/\">Home<\/a> <span class=\"eael-breadcrumb-separator\">\/<\/span> <span class = \"eael-current\">Page<\/span><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c470b55 e-flex e-con-boxed e-con e-parent\" data-id=\"7c470b55\" 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-6ae96261 elementor-widget elementor-widget-heading\" data-id=\"6ae96261\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">UDM4E<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c42024 e-con e-atomic-element e-flexbox-base e-default-div e-c60e409 \" data-id=\"1c42024\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"1c42024\">\n    <div class=\"elementor-element elementor-element-385907f e-con e-atomic-element e-flexbox-base e-default-div e-8c1cd4b \" data-id=\"385907f\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"385907f\">\n    \t\t<div class=\"elementor-element elementor-element-319610fc elementor-widget elementor-widget-text-editor\" data-id=\"319610fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The NEW mobile HUNGER UDM4E universal lathe is a versatile machine with modular components for refinishing the seating surfaces of valves and valve seats, as well as for boring out seat ring holes and facing the sealing surfaces of cylinder heads, liners, and engine blocks of large diesel and gas engines.<\/p>\n<h3>Advantages:<\/h3>\n<ul>\n<li>No dust<\/li>\n<li>No noise<\/li>\n<li>Compact and mobile<\/li>\n<li>Fast machining<\/li>\n<li>Low voltage to avoid electrical hazards<\/li>\n<\/ul>\n<h3>Key Features:<\/h3>\n<ul>\n<li>No grinding dust, ensuring a clean working method<\/li>\n<li>Handy and compact design<\/li>\n<li>Modular design with components optimally matched to the respective reconditioning task<\/li>\n<li>Operation with safety extra-low voltage for protection against electric shock<\/li>\n<li>Power supply unit with wide-range input for all common mains voltages<\/li>\n<li>Fast setup at the workplace<\/li>\n<li>Easy handling<\/li>\n<li>The economical alternative for on-site or workshop use<\/li>\n<\/ul>\n<p><b>\u201cRoundness, concentricity, and surface quality of the refinished surfaces are within manufacturer specifications or even better\u201d<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a1b095 elementor-widget elementor-widget-text-editor\" data-id=\"1a1b095\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table class=\"list object-left\" border=\"0\" cellpadding=\"2\" cellspacing=\"0\" width=\"100%\" style=\"width: 100%\">\n<tr>\n<td valign=\"top\" style=\"vertical-align: top\">  <a name=\"eztoc617_0_2\" id=\"eztoc617_0_2\"><\/a><h3><b>Technical Data:<\/b><\/h3>\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &nbsp;\n  <\/td>\n\n<\/tr>\n\n<tr>\n<td valign=\"top\" style=\"vertical-align: top\">  <b>Operating range:<\/b>\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &nbsp;\n  <\/td>\n\n<\/tr>\n\n<tr>\n<td class=\" text-center\" colspan=\"2\" valign=\"top\" style=\"vertical-align: top\">  <b>Valve Machining<\/b>\n  <\/td>\n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Valves with stem diameter\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  16 &#8211; 37 mm\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Valves with seat diameter\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  60 &#8211; 230 mm\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Valves with seat angle\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  45\u00b0 &#8211; 20\u00b0\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Valves with minimum length\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &gt; 400 mm\n  <\/td> \n\n<\/tr>\n\n<tr>\n<td class=\" text-center\" colspan=\"2\" valign=\"top\" style=\"vertical-align: top\">  <b>Valve Seat Machining<\/b>\n  <\/td>\n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Valve seats with diameter\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  60 &#8211; 230 mm\n  <\/td> \n\n<\/tr>\n\n <tr>\n<td valign=\"top\" style=\"vertical-align: top\">   Valve seats with seat angle\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  19.5\u00b0 &#8211; 45\u00b0\n  <\/td>\n\n<\/tr>\n\n<tr>\n<td colspan=\"2\" valign=\"top\" style=\"vertical-align: top\">  <sub>further information can be found in our catalog\/brochure<\/sub>\n  <\/td>\n\n<\/tr> \n\n<tr>\n<td valign=\"top\" style=\"vertical-align: top\">  <b>Feed:<\/b>\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &nbsp;\n  <\/td>\n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Speed range\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  120 &#8211; 350 rpm\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Facing feed\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  0.12 mm\/rev\n  <\/td> \n\n<\/tr>\n\n<tr>\n<td valign=\"top\" style=\"vertical-align: top\">  <b>Electrical equipment:<\/b>\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &nbsp;\n  <\/td>\n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Power supply input voltage\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  100 &#8211; 300 VAC\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Power consumption\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  0.5 kW\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Machine operating voltage\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  max. 58 VDC\n  <\/td> \n\n<\/tr>\n\n<tr>\n<td valign=\"top\" style=\"vertical-align: top\">  <b>Dimensions and Weight:<\/b>\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &nbsp;\n  <\/td>\n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Drive unit &#8211; Length\/Width\/Height\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  approx. 485 \/ 175 \/ 450 mm\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Power supply unit &#8211; Length\/Width\/Height\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  approx. 380 \/ 180 \/ 210 mm\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Base machine &#8211; Net weight\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  approx. 18 kg\n  <\/td> \n\n<\/tr>\n\n<tr>\n <td valign=\"top\" style=\"vertical-align: top\">   Drive unit &#8211; Net weight\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  approx. 8 kg\n  <\/td> \n\n<\/tr>\n\n<tr>\n<td valign=\"top\" style=\"vertical-align: top\">  <sub>Technical changes reserved<\/sub>\n  <\/td>\n<td valign=\"top\" style=\"vertical-align: top\">  &nbsp;\n  <\/td>\n\n<\/tr>\n\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-821b4c2 e-con e-atomic-element e-flexbox-base e-default-div e-141d06c \" data-id=\"821b4c2\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"821b4c2\">\n    \t\t<div class=\"elementor-element elementor-element-9985a52 elementor-widget elementor-widget-image\" data-id=\"9985a52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"510\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/Ventile-und-Ventilsitze-instandsetzen_large-1.png\" class=\"attachment-large size-large wp-image-2727\" alt=\"\" srcset=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/Ventile-und-Ventilsitze-instandsetzen_large-1.png 300w, https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/Ventile-und-Ventilsitze-instandsetzen_large-1-176x300.png 176w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-265f39dc e-con-full e-flex e-con e-child\" data-id=\"265f39dc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-278a5fe9 elementor-widget elementor-widget-heading\" data-id=\"278a5fe9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Download UDM4E Brochure\n\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6567656e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6567656e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/UDM4EProspekt3.0.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-download\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M216 0h80c13.3 0 24 10.7 24 24v168h87.7c17.8 0 26.7 21.5 14.1 34.1L269.7 378.3c-7.5 7.5-19.8 7.5-27.3 0L90.1 226.1c-12.6-12.6-3.7-34.1 14.1-34.1H192V24c0-13.3 10.7-24 24-24zm296 376v112c0 13.3-10.7 24-24 24H24c-13.3 0-24-10.7-24-24V376c0-13.3 10.7-24 24-24h146.7l49 49c20.1 20.1 52.5 20.1 72.6 0l49-49H488c13.3 0 24 10.7 24 24zm-124 88c0-11-9-20-20-20s-20 9-20 20 9 20 20 20 20-9 20-20zm64 0c0-11-9-20-20-20s-20 9-20 20 9 20 20 20 20-9 20-20z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Download PDF<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\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-9ed7ab3 elementor-widget elementor-widget-heading\" data-id=\"9ed7ab3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Content<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0cfc96d e-con-full e-flex e-con e-child\" data-id=\"0cfc96d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-54d5e0e elementor-widget elementor-widget-heading\" data-id=\"54d5e0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Retro-Fit action<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4262c03 elementor-widget elementor-widget-text-editor\" data-id=\"4262c03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img decoding=\"async\" class=\"alignleft wp-image-2417\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/11\/Retro-Fit-Aktion_productthumbnail.jpg\" alt=\"\" width=\"70\" height=\"57\">With the Retrofit Promotion from Hunger, you can get your &#8220;old&#8221; machine ready for daily repair work again: (Applies to VDS2.3E, VDS2.5E, and VD4E) Your Advantages: Flexible supply voltage from 100-300VAC Price savings of up to 46% compared to a new unit More powerful motors and more efficient control result in 50% higher power transmission during turning Ecologically sensible, as only the necessary parts are replaced.<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/latest-news\/retrofit-promotion\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c27265 e-con-full e-flex e-con e-child\" data-id=\"2c27265\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fc16ff0 elementor-widget elementor-widget-heading\" data-id=\"fc16ff0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Clamping Cylinder Heads\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a93ca8f elementor-widget elementor-widget-text-editor\" data-id=\"a93ca8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/Zylinderkoepfe-aufspannen_productthumbnail-150x150.jpg\" alt=\"\" width=\"70\" height=\"70\">Application: Heavy cylinder heads from large diesel engines can be clamped securely and easily on the extremely robust WV assembly stand for maintenance and repair work.<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/clamping-cylinder-heads\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d26aec6 e-con-full e-flex e-con e-child\" data-id=\"d26aec6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f8210e elementor-widget elementor-widget-heading\" data-id=\"2f8210e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">VD4HD<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6add6e7 elementor-widget elementor-widget-text-editor\" data-id=\"6add6e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-882 \" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/VD4HD_productthumbnail.jpg\" alt=\"\" width=\"71\" height=\"53\">Valve seat turning machine for seat diameters 60 &#8211; 230mm.<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/valve-seat-reconditioning-by-turning\/vd4hd\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9ffa858 e-con-full e-flex e-con e-child\" data-id=\"9ffa858\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-241543b elementor-widget elementor-widget-heading\" data-id=\"241543b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">VD4HD-RC<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7c5722 elementor-widget elementor-widget-text-editor\" data-id=\"c7c5722\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-898\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/VD4HD-RC_productthumbnail.jpg\" alt=\"\" width=\"70\" height=\"54\">Facing lathe for diameters up to 650 mm.<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/facing\/vd4hd-rc\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4a50bd e-con-full e-flex e-con e-child\" data-id=\"f4a50bd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed5cfd5 elementor-widget elementor-widget-heading\" data-id=\"ed5cfd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Boring Seat Ring Holes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4f7513 elementor-widget elementor-widget-text-editor\" data-id=\"e4f7513\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-902 alignleft\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/Sitzringbohrung-ausdrehen_productthumbnail.jpg\" alt=\"\" width=\"70\" height=\"75\">Application: With the VD4HD-ADM boring machine, valve seat ring holes in the cylinder head can be bored out for the installation of oversized seat rings.<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/boring-out-valve-seat-ring-bores\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-361f8d3 e-con-full e-flex e-con e-child\" data-id=\"361f8d3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b69d5b elementor-widget elementor-widget-heading\" data-id=\"1b69d5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Repairing Conical Surfaces<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-915a254 elementor-widget elementor-widget-text-editor\" data-id=\"915a254\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-912\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/Konusflaeche-instandsetzen_productthumbnail.jpg\" alt=\"\" width=\"70\" height=\"96\">Application: With the VD4HD\/-30\u00b0 cone lathe, the conical surface on the valve cage can be repaired.<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/reconditioning-the-tapered-surface\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f033bd5 e-con-full e-flex e-con e-child\" data-id=\"f033bd5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a923686 elementor-widget elementor-widget-heading\" data-id=\"a923686\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">VDS2E\/2.5HD<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b2c539 elementor-widget elementor-widget-text-editor\" data-id=\"6b2c539\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-916\" src=\"https:\/\/www.ludwig-hunger.de\/wp-content\/uploads\/2026\/10\/VDS2.3E-2.5HD_productthumbnail.jpg\" alt=\"\" width=\"70\" height=\"52\">Valve seat lathe for seat diameters 35 &#8211; 120\/140 mm<br\/><a href=\"https:\/\/www.ludwig-hunger.de\/en\/product-ranges\/marine\/valve-seat-reconditioning-by-turning\/vds2-3e-2-5hd\/\">View details<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Reconditioning Valves and Valve Seats Home \/ Seite \/ Reconditioning Valves and Valve Seats UDM4E The NEW mobile HUNGER UDM4E universal lathe is a versatile machine with modular components for refinishing the seating surfaces of valves and valve seats, as well as for boring out seat ring holes and facing the sealing surfaces of cylinder [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2672,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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