{"id":2800,"date":"2025-11-18T16:11:24","date_gmt":"2025-11-18T16:11:24","guid":{"rendered":"https:\/\/re.leffer.de\/qualitat-sicherheit\/zertifikate\/whg\/"},"modified":"2026-01-30T09:59:51","modified_gmt":"2026-01-30T09:59:51","slug":"whg","status":"publish","type":"page","link":"https:\/\/re.leffer.de\/en\/our-competencies\/certifications\/whg\/","title":{"rendered":"WHG"},"content":{"rendered":"\n<p>We are a <strong>certified WHG specialist company<\/strong> and therefore meet all legal requirements for the protection of water bodies when handling substances hazardous to water. Our qualified employees and tested work processes ensure that all activities are carried out safely, professionally, and in an environmentally compliant manner. <strong>For our customers, this means maximum safety, legal certainty, and trust in our facilities and services.<\/strong><\/p>\n\n\n\n<p><strong>Activities:<\/strong> Construction; repair; decommissioning<\/p>\n\n\n\n<p><strong>Types of systems\/parts:<\/strong> Containers, pipelines including pumps, fittings, seals; protective measures (e.g., leak protection lining, collection chamber, surface sealing)<\/p>\n\n\n\n<p><strong>Materials: <\/strong>Structural steel, stainless steel, other metals<\/p>\n\n\n\n<p><strong>Substances: <\/strong>Water-polluting substances<\/p>\n\n\n\n<p><strong>Field of work: <\/strong>Welding, screwing, pressing, laying pipelines<\/p>\n\n\n\n<p><strong>Validity:<\/strong> 04\/2026<\/p>\n\n\n\n<p><strong>Certificate No.: <\/strong>100.8.021<\/p>\n\n\n\n<p><strong>Certifying body:<\/strong> SGS-T\u00dcV Saar GmbH<\/p>\n\n\n\n    <div class=\"singlepost wp-block-fbo-singlepost\" id=\"69c3c88f43daa\">\n\n        \n<a href=\"https:\/\/re.leffer.de\/wp-content\/uploads\/2025\/10\/WHG_Fachbetriebsurkunde_dt.pdf\" target=\"_blank\"  class=\"postarchive__download icon icon-download\">\n   <p class=\"download__title\">WHG Fachbetrieb<\/p>\n   <div class=\"download__data\">\n        <span class=\"download__size\">551.82 KB<\/span>\n        <span class=\"download__type\">(pdf)<\/span>\n    <\/div>\n\n<\/a>\n    <\/div>\n\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/re.leffer.de\/en\/kompetenzen\/zertifikate\/\"><span class=\"button-text icon icon-arrow-stroke\">Back to Certifications<\/span><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>We are a certified WHG specialist company and therefore meet all legal requirements for the protection of water bodies when handling substances hazardous to water. Our qualified employees and tested work processes ensure that all activities are carried out safely, professionally, and in an environmentally compliant manner. For our customers, this means maximum safety, legal [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":2735,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"featuredimage_focalpoint":[],"footnotes":""},"tags":[],"class_list":["post-2800","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WHG - Leffer - Stahl- und Apparatebau<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WHG - Leffer - Stahl- und Apparatebau\" \/>\n<meta property=\"og:description\" content=\"We are a certified WHG specialist company and therefore meet all legal requirements for the protection of water bodies when handling substances hazardous to water. Our qualified employees and tested work processes ensure that all activities are carried out safely, professionally, and in an environmentally compliant manner. 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