{"id":10574,"date":"2026-01-21T11:53:04","date_gmt":"2026-01-21T10:53:04","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/stauff-sf-pressure-filters\/"},"modified":"2026-01-27T15:17:39","modified_gmt":"2026-01-27T14:17:39","slug":"stauff-sf-pressure-filters","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/stauff-sf-pressure-filters\/","title":{"rendered":"Stauff SF Pressure Filters"},"content":{"rendered":"<h3>SF Series High-Pressure In-Line Filters: Performance and Robustness<\/h3>\n<p>The Stauff SF series represents a premium solution for pressure filtration in hydraulic circuits.<\/p>\n<p>These filters are designed for in-line assembly, providing superior protection of system components while operating at maximum working pressures of up to 420 bar (6,000 PSI).<\/p>\n<p>When combined with Stauff SE series filter elements, they ensure high contaminant removal efficiency and long service life, significantly reducing maintenance costs.<\/p>\n<h3>Design Features and Materials<\/h3>\n<p>The construction of SF filters is engineered to withstand the most demanding operating conditions:<\/p>\n<ul>\n<li><strong>Filter head:<\/strong> Made of spheroidal graphite cast iron, ensuring dimensional stability and high mechanical strength.<\/li>\n<li><strong>Filter bowl:<\/strong> Manufactured from cold drawn steel.<\/li>\n<li><strong>Seals:<\/strong> Standard NBR (Buna-N\u00ae), with FKM (Viton\u00ae) or EPDM options available for specific fluids.<\/li>\n<\/ul>\n<h3>Filter Elements and Media<\/h3>\n<p>SF filters use SE series elements, available with different filter media technologies and collapse pressure ratings (according to ISO 2941):<\/p>\n<ul>\n<li><strong>Inorganic glass fiber:<\/strong> For fine filtration (3, 5, 10, 20 \u00b5m), available with collapse pressure ratings of 25 bar or 210 bar.<\/li>\n<li><strong>Stainless steel fiber:<\/strong> For special applications, with a collapse pressure of 210 bar.<\/li>\n<li><strong>Stainless steel wire mesh:<\/strong> For coarse filtration (25, 50, 100, 200 \u00b5m), with a collapse pressure of 30 bar.<\/li>\n<\/ul>\n<p>The <strong>bypass valve<\/strong>, when required, is integrated into the <strong>filter head<\/strong>, allowing fluid to bypass the element in case of clogging to protect the system (standard setting $6^{+0.5}$ bar).<\/p>\n<h3>Technical Specifications and Connections<\/h3>\n<p>The range covers a wide variety of application requirements:<\/p>\n<ul>\n<li><strong>Flow rate:<\/strong> Up to 1,135 l\/min (300 US GPM).<\/li>\n<li><strong>Operating temperature:<\/strong> From \u221210\u00b0C to +100\u00b0C.<\/li>\n<li><strong>Connections:<\/strong> BSP and NPT threads, SAE flanges (Code 61 and Code 62), and SAE O-ring threads.<\/li>\n<\/ul>\n<h3>Accessories and Monitoring<\/h3>\n<p>For continuous performance monitoring, Stauff SF pressure filters can be equipped with HI series clogging indicators.<\/p>\n<p>Available options include visual, electrical, or combined visual-electrical indicators, providing timely notification when filter element replacement is required.<\/p>\n<h3>Technical summary table of the main features of Stauff SF Pressure Filters<\/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;\">Construction Type<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">High-pressure in-line filter<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Max Operating Pressure<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">420 bar (6,000 PSI)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Max Flow Rate<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1,135 l\/min (300 US GPM)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Head Material<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Spheroidal graphite cast iron<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Bowl Material<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Cold drawn steel<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Operating Temperature<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">From \u221210\u00b0C to +100\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Connection Options<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">BSP, NPT, SAE flange, SAE O-ring<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Available Filter Media<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Glass fiber, stainless steel fiber, stainless steel mesh<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Element Collapse Pressure<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25 bar, 30 bar or 210 bar (depending on model)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Bypass Valve<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Integrated in the head (optional)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Stauff SF Pressure Filters<\/strong> are designed for high-pressure in-line hydraulic applications, supporting operating pressures of up to 420 bar (6,000 PSI).<br \/>\nBuilt with a spheroidal graphite cast iron head and a cold drawn steel bowl, they provide exceptional robustness and reliability.<br \/>\nUsed in combination with SE series filter elements, they ensure high contaminant holding capacity and flow rates up to 1,135 l\/min.<br \/>\nThey offer multiple connection options and compatibility with visual and electrical clogging indicators.<\/p>\n","protected":false},"featured_media":10184,"template":"","meta":[],"product_brand":[],"product_cat":[103,191,417],"product_tag":[281],"class_list":{"0":"post-10574","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-pressure-filters","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 SF In-Line Pressure Filters 420 bar \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Stauff SF pressure filters for in-line mounting. Max 420 bar, flow rate up to 1,135 l\/min. Cast iron and steel housing with high-efficiency filter elements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lubeteam.it\/en\/product\/stauff-sf-pressure-filters\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stauff SF Pressure Filters\" \/>\n<meta property=\"og:description\" content=\"Stauff SF pressure filters for in-line mounting. Max 420 bar, flow rate up to 1,135 l\/min. 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