{"id":46681,"date":"2025-06-16T19:10:00","date_gmt":"2025-06-16T19:10:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=46681"},"modified":"2026-03-25T14:59:00","modified_gmt":"2026-03-25T14:59:00","slug":"moog-d631-336ca","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-d631-336ca\/","title":{"rendered":"MOOG D631-336CA"},"content":{"rendered":"<div id=\"wb-what-we-do\" class=\"wordbank-container\">\n<h2>Repair Procedure<\/h2>\n<p>We specialize in the overhaul of your MOOG D631-336CA, including the replacement of all necessary gaskets and worn components.<\/p>\n<\/div>\n<div id=\"wb-overview\" class=\"wordbank-container\">\n<h2>Key Details<\/h2>\n<p>At NC Servo Technology, our shop is equipped to service the MOOG D631-336CA. We use a consistent process to restore each unit to working condition.<\/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\">How quickly can you return a repaired unit?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>Turnaround time varies by model and condition. Contact us for a timeline specific to your unit.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">Is it helpful if I include photos before sending the unit in?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>Helpful but not required. If you can photograph the label, connectors, and overall unit, it gives our team a head start.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">What if the model number is missing or unreadable&#8212;can you still service the unit?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>We regularly work on units with missing labels. Send us a few images and any visible part numbers, and we can usually match it.<\/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>Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">What&#8217;s your guarantee on repaired units?<\/button><\/h3>\n<div id=\"faq-content-4\" class=\"faq-content\">\n<p>Yes, a 12-month warranty on parts and labor is standard on all repairs. Details are provided with your service report.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>About Our Shop<\/h2>\n<p>NC Servo Technology specializes in both valves and electronic controls, which lets us operate without the delays of OEM service centers.<\/p>\n<p>Specializing in MOOG D631-336CA servo valve technology for over five decades<\/p>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>Repair Process<\/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>Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.<\/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>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>Hydraulic Testing Process<\/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 standard test fluids to match your operational needs. Our operational testing verifies proper functionality.<\/p>\n<\/div>\n<div id=\"wb-service-offerings\" class=\"wordbank-container new-dynamic-section\">\n<h2>Additional MOOG D631-336CA Services<\/h2>\n<p>Beyond standard refurbishment, we offer specialized overhauls for your MOOG D631-336CA unit. Our overhaul process includes internal inspection and seal replacement, using only new replacement components.<\/p>\n<\/div>\n<div id=\"wb-inventory\" class=\"wordbank-container new-dynamic-section\">\n<h2>Stock Availability<\/h2>\n<p>With over 17,000 valves in stock, 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 documented insights into your MOOG D631-336CA, we can provide access to service logs and reports. This transparency offers you record-keeping 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>Keep a spare MOOG D631-336CA on hand to minimize downtime during unplanned failures.<\/li>\n<li>Inspect MOOG D631-336CA seals regularly to prevent leaks and maintain performance.<\/li>\n<li>Conduct thorough visual inspections for wear or leaks during routine maintenance.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Need Your MOOG D631-336CA Back Online?<\/h2>\n<p>Request pricing, availability, and turnaround for your MOOG D631-336CA. NC Servo Technology provides experienced 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\/moog\/\" class=\"button brand-button\">View All MOOG Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/moog\/\" class=\"button inventory-button\">Shop MOOG 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 MOOG or any original equipment manufacturer (OEM), nor do we claim to be a MOOG 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>Don&#8217;t let a faulty MOOG D631-336CA valve slow you down. Our technicians specialize in diagnosing and repairing these components, restoring them to working condition.<\/p>\n<\/div>\n","protected":false},"featured_media":57759,"template":"","meta":[],"product_brand":[494],"product_cat":[2425],"product_tag":[152],"class_list":{"0":"post-46681","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-moog","7":"product_cat-moog-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>MOOG D631-336CA Valve Repair \u2014 1-Year Warranty<\/title>\n<meta name=\"description\" content=\"NC Servo repairs your reliable, cost-effective hydraulic valve repair for your MOOG D631-336CA. 50+ years of hydraulic repair experience. 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