{"id":51426,"date":"2025-06-16T19:52:00","date_gmt":"2025-06-16T19:52:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=51426"},"modified":"2026-03-31T18:34:12","modified_gmt":"2026-03-31T18:34:12","slug":"bosch-0811402052","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/","title":{"rendered":"BOSCH 0811-402-052"},"content":{"rendered":"<div id=\"wb-overview\" class=\"wordbank-container\">\n<h2>Overview<\/h2>\n<p>Whether the issue is age, wear, or contamination, the BOSCH 0811-402-052 can often be restored. NC Servo applies the same structured approach to every rebuild.<\/p>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Why Repair With NC Servo<\/h2>\n<p>NC Servo specializes in both valves and electronic controls, which lets us operate without the delays of OEM service centers.<\/p>\n<p>17,000+ valves in stock including BOSCH 0811-402-052 exchange units<\/p>\n<\/div>\n<div id=\"wb-faq\" class=\"wordbank-container\">\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq-accordion\">\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-0\">Should I degrease or rinse the unit first?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">When should I repair a unit versus replacing it?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>We give you a straight assessment after inspection. If repair doesn&#8217;t make sense, we&#8217;ll let you know and discuss alternatives.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Do you offer expedited repair services?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>Yes, rush service is available for an additional fee. Let us know your deadline when you submit your request.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">Is there a warranty on repairs?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>Warranty coverage of a 12-month warranty on parts and labor is included with every repair we complete.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Do you inspect units before starting service?<\/button><\/h3>\n<div id=\"faq-content-4\" class=\"faq-content\">\n<p>Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>How We Rebuild This Valve<\/h2>\n<p>We disassemble every valve, inspect it inside and out, and clean all moving parts. Components that fail inspection are swapped out before the valve is rebuilt and tested.<\/p>\n<ul>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/li>\n<li>Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.<\/li>\n<li>Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.<\/li>\n<li>Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Hydraulic Testing Process<\/h2>\n<p>With over a dozen dedicated flow test stands and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our performance testing verifies proper functionality.<\/p>\n<\/div>\n<div id=\"wb-industry-focus\" class=\"wordbank-container new-dynamic-section\">\n<h2>Where the BOSCH 0811-402-052 Is Used<\/h2>\n<p>Our professional repair services for the BOSCH 0811-402-052 are trusted across various sectors including Plastics &#038; Injection Molding, Industrial Machinery, and Power Generation. We understand the unique demands of valves in these environments.<\/p>\n<\/div>\n<div id=\"wb-tech-overview\" class=\"wordbank-container new-dynamic-section\">\n<h2>Technical Specifications<\/h2>\n<p>Every BOSCH 0811-402-052 we service is tested under typical applications. Our diagnostics verify performance against published specifications. Specification sheets and Technical diagrams are available for purchase upon request.<\/p>\n<\/div>\n<div id=\"wb-service-offerings\" class=\"wordbank-container new-dynamic-section\">\n<h2>Additional BOSCH 0811-402-052 Services<\/h2>\n<p>Beyond standard maintenance, we offer specialized overhauls for your BOSCH 0811-402-052 unit. Our disassembly process includes reassembly to spec and disassembly, using only replacement replacement components.<\/p>\n<\/div>\n<div id=\"wb-logistics-support\" class=\"wordbank-container new-dynamic-section\">\n<h2>Lead Times and Support<\/h2>\n<p>As a dedicated source for BOSCH 0811-402-052 services, NC Servo targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.<\/p>\n<\/div>\n<div id=\"wb-tips\" class=\"wordbank-container\">\n<h2>Maintenance Tips<\/h2>\n<ul>\n<li>Replace inline filters according to maintenance schedules to maintain proper flow rates.<\/li>\n<li>Check system pressure regularly to verify it stays within the BOSCH 0811-402-052 rated operating range.<\/li>\n<li>Flush the hydraulic system after any major repair to remove debris before reinstalling the BOSCH 0811-402-052.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Start Your BOSCH 0811-402-052 Reconditioning Process<\/h2>\n<p>Request pricing, availability, and turnaround for your BOSCH 0811-402-052. NC Servo provides independent repair with a 1-year warranty. Contact us to request your repair.<\/p>\n<div class=\"cta-buttons\"><a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/contact-us\/\" class=\"button quote-button\">Request a Quote<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/bosch\/\" class=\"button brand-button\">View All BOSCH Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/bosch\/\" class=\"button inventory-button\">Shop BOSCH Inventory<\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"disclaimer-section\">\n<p class=\"disclaimer\"><strong>NC Servo<\/strong> is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by BOSCH or any original equipment manufacturer (OEM), nor do we claim to be a BOSCH service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div id=\"wb-short-description\" class=\"short-description-container\">\n<p>Trust your BOSCH 0811-402-052 repair to a shop that understands servo and proportional valve technology. We repair, test, and document every unit before it leaves.<\/p>\n<\/div>\n","protected":false},"featured_media":57638,"template":"","meta":[],"product_brand":[294],"product_cat":[140],"product_tag":[152],"class_list":{"0":"post-51426","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-bosch","7":"product_cat-bosch","8":"product_tag-valve","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BOSCH 0811-402-052 Hydraulic Valve Repair Service<\/title>\n<meta name=\"description\" content=\"Servo valve repair: Fast, certified service for your BOSCH 0811-402-052. 50+ years of hydraulic repair experience. Schedule now!\" \/>\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=\"BOSCH 0811-402-052 Hydraulic Valve Repair Service\" \/>\n<meta property=\"og:description\" content=\"Servo valve repair: Fast, certified service for your BOSCH 0811-402-052. 50+ years of hydraulic repair experience. Schedule now!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/\" \/>\n<meta property=\"og:site_name\" content=\"Nc Servo Technology\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NCServo\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-31T18:34:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/bosch-0811402165-image-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1386\" \/>\n\t<meta property=\"og:image:height\" content=\"2194\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@NcServo\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/\",\"name\":\"BOSCH 0811-402-052 Hydraulic Valve Repair Service\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/bosch-0811402165-image-1.webp\",\"datePublished\":\"2025-06-16T19:52:00+00:00\",\"dateModified\":\"2026-03-31T18:34:12+00:00\",\"description\":\"Servo valve repair: Fast, certified service for your BOSCH 0811-402-052. 50+ years of hydraulic repair experience. Schedule now!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/bosch-0811402165-image-1.webp\",\"contentUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/bosch-0811402165-image-1.webp\",\"width\":1386,\"height\":2194},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/bosch-0811402052\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inventory\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/inventory\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"BOSCH 0811-402-052 Valve Repair\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"name\":\"NC Servo Technology\",\"description\":\"We Buy &amp; Repair Servo Valves\",\"publisher\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\",\"name\":\"NC Servo\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"NC Servo\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/NCServo\\\/\",\"https:\\\/\\\/x.com\\\/NcServo\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"BOSCH 0811-402-052 Hydraulic Valve Repair Service","description":"Servo valve repair: Fast, certified service for your BOSCH 0811-402-052. 50+ years of hydraulic repair experience. Schedule now!","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"BOSCH 0811-402-052 Hydraulic Valve Repair Service","og_description":"Servo valve repair: Fast, certified service for your BOSCH 0811-402-052. 50+ years of hydraulic repair experience. Schedule now!","og_url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/","og_site_name":"Nc Servo Technology","article_publisher":"https:\/\/www.facebook.com\/NCServo\/","article_modified_time":"2026-03-31T18:34:12+00:00","og_image":[{"width":1386,"height":2194,"url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/bosch-0811402165-image-1.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_site":"@NcServo","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/","name":"BOSCH 0811-402-052 Hydraulic Valve Repair Service","isPartOf":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/#primaryimage"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/#primaryimage"},"thumbnailUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/bosch-0811402165-image-1.webp","datePublished":"2025-06-16T19:52:00+00:00","dateModified":"2026-03-31T18:34:12+00:00","description":"Servo valve repair: Fast, certified service for your BOSCH 0811-402-052. 50+ years of hydraulic repair experience. Schedule now!","breadcrumb":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/#primaryimage","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/bosch-0811402165-image-1.webp","contentUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/bosch-0811402165-image-1.webp","width":1386,"height":2194},{"@type":"BreadcrumbList","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/bosch-0811402052\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/"},{"@type":"ListItem","position":2,"name":"Inventory","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/inventory\/"},{"@type":"ListItem","position":3,"name":"BOSCH 0811-402-052 Valve Repair"}]},{"@type":"WebSite","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","name":"NC Servo Technology","description":"We Buy &amp; Repair Servo Valves","publisher":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ncservo.com\/.wp-toolkit_m\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization","name":"NC Servo","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"NC Servo"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/NCServo\/","https:\/\/x.com\/NcServo"]}]}},"_links":{"self":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product\/51426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media\/57638"}],"wp:attachment":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media?parent=51426"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_brand?post=51426"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_cat?post=51426"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_tag?post=51426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}