{"id":47693,"date":"2025-06-16T19:16:00","date_gmt":"2025-06-16T19:16:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=47693"},"modified":"2026-03-25T17:38:13","modified_gmt":"2026-03-25T17:38:13","slug":"rexroth-4wrdu16-51m","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-4wrdu16-51m\/","title":{"rendered":"REXROTH 4WRDU16-51\/M"},"content":{"rendered":"<div id=\"wb-overview\" class=\"wordbank-container\">\n<h2>About This Unit<\/h2>\n<p>We handle a wide range of REXROTH 4WRDU16-51\/M units. Each one receives inspection, internal cleaning, and reconditioning before it ships.<\/p>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Experience and Warranty<\/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>Specializing in REXROTH 4WRDU16-51\/M servo valve technology for over five decades<\/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\">Is any kind of warranty included with the service?<\/button><\/h3>\n<div id=\"faq-content-0\" 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-1\">Can I request rush service on a repair?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>Rush and priority service options exist. Availability depends on current workload, so contact us early.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Do you let me know if the unit isn&#8217;t salvageable?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>We confirm next steps with you if a unit can&#8217;t be rebuilt. No work proceeds without your approval.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">Can you tell me what caused the failure?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>Inspection and root-cause analysis are part of our standard process. We identify the issue before starting any repair work.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">What if the model number is missing or unreadable&#8212;can you still service the unit?<\/button><\/h3>\n<div id=\"faq-content-4\" class=\"faq-content\">\n<p>Even if the tag is worn off, we can often match the unit based on shape, size, and internal configuration.<\/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>Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.<\/p>\n<ul>\n<li>Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.<\/li>\n<li>Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.<\/li>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/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>Leak and Performance Testing<\/h2>\n<p>We carry out full diagnostics on every valve, including flow gain, leakage, pressure shift, and frequency testing. Our test facility supports performance logging and report generation. Our pre-shipment testing verifies spec-level operation.<\/p>\n<\/div>\n<div id=\"wb-service-offerings\" class=\"wordbank-container new-dynamic-section\">\n<h2>Additional REXROTH 4WRDU16-51\/M Services<\/h2>\n<p>Beyond standard maintenance, we offer specialized repairs for your REXROTH 4WRDU16-51\/M unit. Our teardown process includes disassembly and flow verification, using only new replacement components.<\/p>\n<\/div>\n<div id=\"wb-inventory\" class=\"wordbank-container new-dynamic-section\">\n<h2>In-House Inventory for REXROTH 4WRDU16-51\/M<\/h2>\n<p>With an extensive stock of 17,000+ valves, we can often provide faster turnaround by sourcing parts in-house rather than waiting on OEM lead times.<\/p>\n<\/div>\n<div id=\"wb-product-data\" class=\"wordbank-container new-dynamic-section\">\n<h2>Data Sheets &#038; Reports<\/h2>\n<p>For detailed insights into your REXROTH 4WRDU16-51\/M, we can provide access to service logs and reports. This transparency offers you compliance assurance and aids in long-term maintenance planning.<\/p>\n<\/div>\n<div id=\"wb-tips\" class=\"wordbank-container\">\n<h2>Maintenance Tips<\/h2>\n<ul>\n<li>Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.<\/li>\n<li>Inspect REXROTH 4WRDU16-51\/M seals regularly to prevent leaks and maintain performance.<\/li>\n<li>Replace inline filters according to maintenance schedules to maintain proper flow rates.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Get an Expert Repair for Your REXROTH 4WRDU16-51\/M<\/h2>\n<p>Request pricing, availability, and turnaround for your REXROTH 4WRDU16-51\/M. NC Servo provides hands-on repair with a 1-year warranty. Contact us to start 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\/rexroth\/\" class=\"button brand-button\">View All REXROTH Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/rexroth\/\" class=\"button inventory-button\">Shop REXROTH 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 REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH 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>Every minute your REXROTH 4WRDU16-51\/M is down costs your operation. We offer expedited repair turnaround and exchange units to keep production moving.<\/p>\n<\/div>\n","protected":false},"featured_media":57966,"template":"","meta":[],"product_brand":[562],"product_cat":[2464],"product_tag":[152],"class_list":{"0":"post-47693","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-rexroth","7":"product_cat-rexroth-hydraulic-valves","8":"product_tag-valve","10":"first","11":"outofstock","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>REXROTH 4WRDU16-51\/M Servo Valve Repair &amp; Testing<\/title>\n<meta name=\"description\" content=\"NC Servo repairs your independent, documented hydraulic valve repair for your REXROTH 4WRDU16-51\/M. 1-year warranty on parts and labor. 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