{"id":13362,"date":"2026-07-30T11:09:38","date_gmt":"2026-07-30T09:09:38","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/stauff-extended-weld-plate-for-single-clamps-type-spal-dueb-heavy-series\/"},"modified":"2026-08-07T12:27:07","modified_gmt":"2026-08-07T10:27:07","slug":"stauff-extended-weld-plate-for-single-clamps-type-spal-dueb-heavy-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/stauff-extended-weld-plate-for-single-clamps-type-spal-dueb-heavy-series\/","title":{"rendered":"STAUFF Extended Weld Plate for Single Clamps (Type SPAL-DUEB &#8211; Heavy Series)"},"content":{"rendered":"<h3>Operating Principle and Application<\/h3>\n<p>The <strong>STAUFF Extended Weld Plate for Single Clamps (Type SPAL-DUEB &#8211; Heavy Series)<\/strong> is an excellent solution for fastening pipework in high-pressure hydraulic systems. Specifically designed to support Heavy Series single clamps, this plate provides a solid and durable anchoring base, essential for preventing vibration, wear and structural failure in industrial systems. Compliance with DIN 3015 (Part 2) confirms its suitability for the most demanding applications.<\/p>\n<h3>Construction Specifications and Design<\/h3>\n<p>The Extended Weld Plate design of the SPAL-DUEB variant is engineered to provide a larger welding surface, optimally distributing mechanical and thermal stresses. This configuration significantly improves the stability of the installed single clamp, especially in the presence of dynamic loads or pressure fluctuations typical of complex hydraulic circuits. The threaded components are manufactured with high dimensional precision to ensure perfect engagement with the fastening bolts.<\/p>\n<h3>Materials and Surface Treatments<\/h3>\n<p>To meet different environmental and operating requirements, the plate is available in a wide range of materials and finishes, identified by specific codes:<\/p>\n<ul>\n<li><strong>W1 (Carbon Steel, uncoated):<\/strong> Uncoated carbon steel, ideal for direct welding where surface protection is applied after installation.<\/li>\n<li><strong>W2 (Carbon Steel, phosphated):<\/strong> Phosphated carbon steel, providing basic corrosion resistance and excellent preparation for subsequent painting.<\/li>\n<li><strong>W3 (Carbon Steel, zinc\/nickel-plated):<\/strong> Zinc\/nickel-plated carbon steel, ideal for environments with humidity or moderate corrosive agents.<\/li>\n<li><strong>W4 (Stainless Steel V2A):<\/strong> 1.4301\/1.4305 stainless steel (AISI 304\/303), ideal for the food and chemical industries or for use in outdoor environments.<\/li>\n<li><strong>W5 (Stainless Steel V4A):<\/strong> 1.4401\/1.4571 stainless steel (AISI 316\/316 Ti), the optimum choice for the most extreme conditions, including marine and offshore applications.<\/li>\n<\/ul>\n<h3>Available Threads and Dimensions<\/h3>\n<p>Installation flexibility is ensured by the availability of two thread types:<\/p>\n<ul>\n<li><strong>M:<\/strong> ISO Metric Thread (from M10 to M30, depending on the dimensional group).<\/li>\n<li><strong>U:<\/strong> Unified Coarse Thread UNC (from 3\/8-16 UNC to 1-1\/4-7 UNC).<\/li>\n<\/ul>\n<p>The plates cover STAUFF Groups 3S to 12S (corresponding to DIN Groups 1 to 10), allowing support for pipework of various diameters. The physical dimensions vary proportionally according to the group, with lengths starting from 113 mm for Group 3S and reaching 750 mm for Group 12S, ensuring perfect scalability for every type of hydraulic project.<\/p>\n<h3>Summary Technical Table of the Main Features of the STAUFF Extended Weld Plate for Single Clamps (Type SPAL-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 (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;\">Metric Threads (M)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10, M12, M16, M20, M24, M30<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">UNC Threads (U)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16, 7\/16-14, 5\/8-11, 3\/4-10, 7\/8-9, 1-1\/8-7, 1-1\/4-7<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Carbon Steel Options<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Uncoated (W1), Phosphated (W2), Zinc\/Nickel-Plated (W3)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Stainless Steel Options<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">V2A AISI 304\/303 (W4), V4A AISI 316\/316 Ti (W5)<\/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;\">STAUFF Group<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Metric Thread Code (Standard)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">UNC Thread Code (Standard)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Thread Size (M)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #F2F2F2;\">Thread Size (U)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-3S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-3S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-4S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-4S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-5S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-5S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-6S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-6S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/16-14 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-7S-M-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-7S-U-W2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/8-11 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-8S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-8S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/4-10 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-9S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-9S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/8-9 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-10S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-10S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/8-7 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-11S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-11S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/4-7 UNC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12S<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-12S-M-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">SPAL-DUEB-12S-U-W1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-1\/4-7 UNC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n","protected":false},"excerpt":{"rendered":"<p id=\"p-rc_6196f719cae3bf36-88\" data-path-to-node=\"10\">Designed for demanding hydraulic applications in accordance with DIN 3015 Part 2, the STAUFF Extended Weld Plate for Single Clamps (Type SPAL-DUEB &#8211; Heavy Series) ensures robust and durable fastening. It supports metric and UNC threads and is available in carbon steel and stainless steel (V2A\/V4A). Ideal for the secure installation of high-pressure pipework in the most demanding industrial environments. The available product codes (with the corresponding M\/U thread and W1-W5 material variants) are: SPAL-DUEB-3S, SPAL-DUEB-4S, SPAL-DUEB-5S, SPAL-DUEB-6S, SPAL-DUEB-7S, SPAL-DUEB-8S, SPAL-DUEB-9S, SPAL-DUEB-10S, SPAL-DUEB-11S, SPAL-DUEB-12S.<\/p>\n","protected":false},"featured_media":12784,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[101,470],"product_tag":[281],"class_list":{"0":"post-13362","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 Single Clamps (Type SPAL-DUEB - Heavy Series) \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Designed in accordance with DIN 3015 Part 2, the STAUFF Extended Weld Plate for Single Clamps (Type SPAL-DUEB - 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