{"id":47518,"date":"2025-06-16T19:15:00","date_gmt":"2025-06-16T19:15:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=47518"},"modified":"2026-03-25T17:37:10","modified_gmt":"2026-03-25T17:37:10","slug":"rexroth-krauss-maffei-6438716-r90972657","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-krauss-maffei-6438716-r90972657\/","title":{"rendered":"REXROTH KRAUSS MAFFEI 6438716 R90972657"},"content":{"rendered":"<div id=\"wb-what-we-do\" class=\"wordbank-container\">\n<h2>Repair Procedure<\/h2>\n<p>Our process involves a teardown of your REXROTH KRAUSS MAFFEI 6438716 R90972657, ultrasonic cleaning, and reassembly with quality parts to restore operation.<\/p>\n<\/div>\n<div id=\"wb-overview\" class=\"wordbank-container\">\n<h2>About This Unit<\/h2>\n<p>NC Servo Technology provides repair and reconditioning for the REXROTH KRAUSS MAFFEI 6438716 R90972657. With in-house tooling and stocked parts, we keep turnaround times short.<\/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 send pictures before shipping the unit?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>We recommend sending pictures, especially if the model number is unclear or there is visible damage.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">Do I need to clean the unit before sending it in?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>You can send it as-is. We handle all cleaning and preparation as part of our standard process.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Can you tell me what caused the failure?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>Part of our intake includes troubleshooting to determine the failure point. We report findings before proceeding.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">Will I be contacted if the unit is beyond repair?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>Yes. If the unit can&#8217;t be repaired, we contact you with options before doing anything further.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Do you back your repairs with a warranty?<\/button><\/h3>\n<div id=\"faq-content-4\" 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<\/p><\/div>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Experience and Warranty<\/h2>\n<p>Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.<\/p>\n<p>17,000+ valves in stock including REXROTH KRAUSS MAFFEI 6438716 R90972657 exchange units<\/p>\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>Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.<\/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>Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.<\/li>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Testing and Bench Verification<\/h2>\n<p>NC Servo Technology operates our 13-stand test facility, including setups for proportional and servo valves. Every valve goes through performance and leak testing using industry-standard fluids including MIL-5606 and Skydrol. Our functional testing verifies consistent performance.<\/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 REXROTH KRAUSS MAFFEI 6438716 R90972657 services, NC Servo Technology targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our responsive technical support to keep your systems running smoothly.<\/p>\n<\/div>\n<div id=\"wb-product-data\" class=\"wordbank-container new-dynamic-section\">\n<h2>Product Data Available<\/h2>\n<p>For transparent insights into your REXROTH KRAUSS MAFFEI 6438716 R90972657, we can provide access to service logs and repair records. This transparency offers you peace of mind 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>Replace inline filters according to maintenance schedules to maintain proper flow rates.<\/li>\n<li>Schedule preventive maintenance intervals based on duty cycle, not just calendar time.<\/li>\n<li>Inspect REXROTH KRAUSS MAFFEI 6438716 R90972657 seals regularly to prevent leaks and maintain performance.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Let Us Repair Your REXROTH KRAUSS MAFFEI 6438716 R90972657<\/h2>\n<p>Request pricing, availability, and turnaround for your REXROTH KRAUSS MAFFEI 6438716 R90972657. NC Servo Technology provides independent repair with a 1-year warranty. Contact us to set up 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 Technology<\/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>When your REXROTH KRAUSS MAFFEI 6438716 R90972657 valve fails, production stops. subject to availability. NC Servo Tech offers expert repair services.<\/p>\n<\/div>\n","protected":false},"featured_media":58015,"template":"","meta":[],"product_brand":[560],"product_cat":[2463],"product_tag":[152],"class_list":{"0":"post-47518","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-rexroth-krauss-maffei","7":"product_cat-rexroth-krauss-maffei","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 KRAUSS MAFFEI 6438716 R90972657 Servo Valve Repair &amp; Testing<\/title>\n<meta name=\"description\" content=\"NC Servo repairs your professional, cost-effective valve repair for your REXROTH KRAUSS MAFFEI 6438716 R90972657. 17,000+ valves in stock for fast turnaround. 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