{"id":13363,"date":"2026-07-30T11:09:39","date_gmt":"2026-07-30T09:09:39","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/stauff-extended-weld-plate-for-double-clamps-type-spas-dueb-heavy-series\/"},"modified":"2026-08-07T12:27:46","modified_gmt":"2026-08-07T10:27:46","slug":"stauff-extended-weld-plate-for-double-clamps-type-spas-dueb-heavy-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/stauff-extended-weld-plate-for-double-clamps-type-spas-dueb-heavy-series\/","title":{"rendered":"STAUFF Extended Weld Plate for Double Clamps (Type SPAS-DUEB &#8211; Heavy Series)"},"content":{"rendered":"<h3>Operating Principle and Application<\/h3>\n<p>The <strong>STAUFF Extended Weld Plate for Double Clamps (Type SPAS-DUEB &#8211; Heavy Series)<\/strong> is a fundamental component for the rigid and secure fastening of pipework in high-pressure hydraulic systems. Specifically designed to accommodate double clamps, this plate ensures stable anchoring to the base structure by welding, minimising vibrations and preventing structural damage to hydraulic lines. Its extended design provides a larger support and welding surface, increasing the mechanical retention of the complete assembly. The component is developed in strict accordance with DIN 3015, Part 2, which governs the requirements for the Heavy Series.<\/p>\n<h3>Construction Features and Dimensions<\/h3>\n<p>The SPAS-DUEB Series covers a wide range of sizes, making it suitable for different pipe sections. The plates are classified according to STAUFF Groups ranging from 3S to 12S, corresponding to DIN Groups 1 to 10. Depending on the selected group, the geometric dimensions (identified by parameters L1, L2, L3, B1, B2, S, and H) vary proportionally to support progressively higher loads. The dimensional design includes threaded holes prepared for the installation of the clamp bodies and corresponding cover plates. The thickness (S) and width (B1) are dimensioned to withstand the extreme shear and tensile forces typical of <em>heavy-duty<\/em> applications.<\/p>\n<h3>Thread Specifications and Material Options<\/h3>\n<p>To ensure maximum international compatibility, the plate is available with two different thread standards: ISO Metric (identified by code <strong>M<\/strong>) and Unified Coarse UNC (identified by code <strong>U<\/strong>). This allows seamless integration into both European and American-designed systems.<\/p>\n<p>To meet different environmental conditions and corrosion-resistance requirements, the product can be configured in five material and surface finish variants (Material code):<\/p>\n<ul>\n<li><strong>W1<\/strong>: Carbon Steel, uncoated.<\/li>\n<li><strong>W2<\/strong>: Carbon Steel, phosphated.<\/li>\n<li><strong>W3<\/strong>: Zinc\/Nickel-Plated Carbon Steel.<\/li>\n<li><strong>W4<\/strong>: V2A Stainless Steel, grades 1.4301\/1.4305 (AISI 304\/303), for humid environments.<\/li>\n<li><strong>W5<\/strong>: V4A Stainless Steel, grades 1.4401\/1.4571 (AISI 316\/316 Ti), for maximum chemical resistance and marine environments.<\/li>\n<\/ul>\n<h3>Summary Technical Table of the Main Features of the STAUFF Extended Weld Plate for Double Clamps (Type SPAS-DUEB &#8211; Heavy Series).<\/h3>\n<div style=\"width: 100%; overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Feature<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Reference Standard<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">DIN 3015, Part 2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Series<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Heavy Series<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Available STAUFF Groups<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">From 3S to 12S<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Corresponding DIN Groups<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">From 1 to 10<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Thread Options (Thread G)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">ISO Metric (M) \/ Unified Coarse UNC (U)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Material W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Material W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Material W3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Zinc\/Nickel-Plated Carbon Steel<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Material W4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">V2A Stainless Steel (1.4301\/1.4305 &#8211; AISI 304\/303)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Material W5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">V4A Stainless Steel (1.4401\/1.4571 &#8211; AISI 316\/316 Ti)<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h3>Product Codes<\/h3>\n<div style=\"width: 100%; overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Product Code<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">STAUFF Group<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">DIN Group<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Thread<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Example Material<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-3S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-3S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-4S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-4S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-5S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-5S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-6S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-6S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/16-14 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-7S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-7S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/8-11 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, phosphated (W2)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-8S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-8S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/4-10 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-9S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-9S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/8-9 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-10S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-10S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/8-7 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-11S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-11S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/4-7 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-12S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAS-DUEB-12S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/4-7 UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel, uncoated (W1)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Note on combinations: The table shows the standard catalogue codes for W1 and W2 materials. The complete product family allows configurations upon request by combining the dimensional groups (3S-12S), threads (M\/U) and all available materials (W1, W2, W3, W4, W5).<\/em><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p id=\"p-rc_6196f719cae3bf36-88\" data-path-to-node=\"10\">The STAUFF Extended Weld Plate for Double Clamps (Type SPAS-DUEB &#8211; Heavy Series) is designed for the secure installation of hydraulic pipework subjected to high loads and vibrations. Compliant with DIN 3015 (Part 2), this series covers STAUFF Groups 3S to 12S. It provides an extended high-strength base, ISO Metric or UNC thread variants, and different material options ranging from carbon steel to V2A and V4A stainless steel for demanding industrial applications. The available standard family product codes are: SPAS-DUEB-3S-M-W2, SPAS-DUEB-3S-U-W2, SPAS-DUEB-4S-M-W2, SPAS-DUEB-4S-U-W2, SPAS-DUEB-5S-M-W2, SPAS-DUEB-5S-U-W2, SPAS-DUEB-6S-M-W2, SPAS-DUEB-6S-U-W2, SPAS-DUEB-7S-M-W2, SPAS-DUEB-7S-U-W2, SPAS-DUEB-8S-M-W1, SPAS-DUEB-8S-U-W1, SPAS-DUEB-9S-M-W1, SPAS-DUEB-9S-U-W1, SPAS-DUEB-10S-M-W1, SPAS-DUEB-10S-U-W1, SPAS-DUEB-11S-M-W1, SPAS-DUEB-11S-U-W1, SPAS-DUEB-12S-M-W1, SPAS-DUEB-12S-U-W1.<\/p>\n","protected":false},"featured_media":12782,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[101,470],"product_tag":[281],"class_list":{"0":"post-13363","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-clamps","7":"product_cat-din-3015-clamps","8":"product_tag-stauff","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v26.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>STAUFF Extended Weld Plate for Double Clamps (Type SPAS-DUEB - Heavy Series) \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Buy the STAUFF Extended Weld Plate for Double Clamps (Type SPAS-DUEB - Heavy Series). 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DIN 3015 standard. 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