{"id":10551,"date":"2026-01-19T15:37:25","date_gmt":"2026-01-19T14:37:25","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/stauff-heavy-fuel-filter-elements-sfk-439-series\/"},"modified":"2026-01-27T15:25:42","modified_gmt":"2026-01-27T14:25:42","slug":"stauff-heavy-fuel-filter-elements-sfk-439-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/stauff-heavy-fuel-filter-elements-sfk-439-series\/","title":{"rendered":"Stauff Heavy Fuel Filter Elements \u2013 SFK-439 Series"},"content":{"rendered":"<h3><strong>Stauff Heavy Fuel Filter Elements \u2013 SFK-439 Series: Safety Filtration for Injection Systems<\/strong><\/h3>\n<p>The SFK-439 series filter elements represent Stauff\u2019s engineered solution for Heavy Fuel applications, specifically designed to ensure maximum fluid cleanliness during the most critical phases of the operating process. These components perform the vital function of separating contaminant particles from the fluid flow, acting as the final filtration stage immediately before direct injection into the engine room or combustor.<\/p>\n<h3><strong>Design Features and Materials<\/strong><\/h3>\n<p>The SFK-439 series is built to withstand demanding operating conditions typical of heavy fuel supply systems.<\/p>\n<ul>\n<li><strong>Filter Media:<\/strong> The element uses stainless steel mesh. As specified in Stauff\u2019s general material guidelines for hydraulic applications, stainless steel wire meshes provide excellent chemical and thermal resistance, along with low flow resistance due to their large-pore screening surface.<\/li>\n<li><strong>Structure:<\/strong> The end caps are made of stainless steel, providing the entire assembly with the structural robustness required to maintain integrity even under severe operating stress.<\/li>\n<\/ul>\n<h3><strong>Dimensional Specifications and Variants<\/strong><\/h3>\n<p>Dimensional accuracy is essential to ensure proper installation and sealing within dedicated housings.<\/p>\n<ul>\n<li><strong>Dimensions:<\/strong> Each element in the SFK-439 series has a fixed length of <strong>439 mm<\/strong> (17.28 in) and an outer diameter of <strong>48 mm<\/strong> (1.89 in).<\/li>\n<li><strong>Filtration Rating:<\/strong> The series is available in two specific filtration grades to meet different system cleanliness requirements: <strong>6 \u00b5m<\/strong> or <strong>10 \u00b5m<\/strong>.<\/li>\n<\/ul>\n<h3><strong>Applications<\/strong><\/h3>\n<p>The primary application of these elements is particle separation in Heavy Fuel circuits. Their strategic position within the system\u2014as the final barrier before injection\u2014is critical for protecting sensitive engine room and combustor components from damage caused by solid contaminants, ensuring operational continuity and efficient combustion.<\/p>\n<h3>Technical summary table of the main features of the Stauff Heavy Fuel Filter Elements \u2013 SFK-439 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; background-color: #f2f2f2; text-align: left;\">Feature<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; background-color: #f2f2f2; text-align: left;\">Value \/ Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Product Series<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Heavy Fuel Elements Type SFK-439<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Primary Function<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Final pre-injection filtration (engine room\/combustor)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Length<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">439 mm (17.28 in)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Diameter<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">48 mm (1.89 in)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Filter Media<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Stainless mesh<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">End Cap Material<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Stainless steel<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Available Micron Ratings<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6 \u00b5m, 10 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Fluid Application<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Heavy fuel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Stauff Heavy Fuel Filter Elements \u2013 SFK-439 Series<\/strong> are critical components designed to separate particles from the fluid flow, serving as the final filtration stage before direct injection into the engine room or combustor. Featuring a length of 439 mm and a diameter of 48 mm, these elements use stainless steel mesh filter media with stainless steel end caps, ensuring reliability in Heavy Fuel applications. Available with filtration ratings of 6 \u00b5m or 10 \u00b5m.<\/p>\n","protected":false},"featured_media":10466,"template":"","meta":[],"product_brand":[],"product_cat":[103,191,421],"product_tag":[281],"class_list":{"0":"post-10551","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-filters","7":"product_cat-stauff-filters","8":"product_cat-stauff-replacement-filter-elements","9":"product_tag-stauff","10":"yith_product_brand-stauff","12":"first","13":"instock","14":"shipping-taxable","15":"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 Heavy Fuel Elements \u2013 SFK-439 Series \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Stauff SFK-439 filter elements for Heavy Fuel. Final pre-injection filtration (6\u201310 \u00b5m) for engine\/combustor protection. 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