{"id":49186,"date":"2025-06-16T19:27:00","date_gmt":"2025-06-16T19:27:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=49186"},"modified":"2026-03-30T17:11:53","modified_gmt":"2026-03-30T17:11:53","slug":"moog-631-102c","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-102c\/","title":{"rendered":"MOOG 631-102C"},"content":{"rendered":"<div id=\"wb-what-we-do\" class=\"wordbank-container\">\n<h2>Inspection and Repair Process<\/h2>\n<p>Our repair process for the MOOG 631-102C begins with teardown and mineral bath cleaning to assess all components.<\/p>\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>Specializing in MOOG 631-102C 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 it possible to repair a unit without full labeling or ID?<\/button><\/h3>\n<div id=\"faq-content-0\" 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<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">Is it okay to send a dirty or used unit?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>Send the unit in whatever condition it&#8217;s in. We clean everything during teardown before inspection begins.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">What happens if you can&#8217;t fix my unit?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>If a unit is beyond repair, we explain why and can discuss replacement or exchange options.<\/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\">Should I send pictures before shipping the unit?<\/button><\/h3>\n<div id=\"faq-content-4\" 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<\/p><\/div>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>How We Rebuild This Valve<\/h2>\n<p>The repair process for the MOOG 631-102C includes disassembly, diagnostic review, and replacement of failed seals, spools, or other elements. Final assembly includes leak and function testing.<\/p>\n<ul>\n<li>In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.<\/li>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/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>Complete Disassembly: The unit is disassembled and all parts are laid out for individual inspection.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Testing and Bench Verification<\/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 operational testing verifies consistent performance.<\/p>\n<\/div>\n<div id=\"wb-tech-overview\" class=\"wordbank-container new-dynamic-section\">\n<h2>MOOG 631-102C Specifications<\/h2>\n<p>Every MOOG 631-102C we service is tested under real-world conditions. Our diagnostics verify performance against published specifications. Specification sheets and Cycle life data are available for purchase upon request.<\/p>\n<\/div>\n<div id=\"wb-service-offerings\" class=\"wordbank-container new-dynamic-section\">\n<h2>Additional MOOG 631-102C Services<\/h2>\n<p>Beyond standard maintenance, we offer specialized overhauls for your MOOG 631-102C unit. Our teardown process includes pressure testing and leak testing, using only new replacement components.<\/p>\n<\/div>\n<div id=\"wb-inventory\" class=\"wordbank-container new-dynamic-section\">\n<h2>Parts and Inventory<\/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-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>Document all maintenance activities to track performance trends over time.<\/li>\n<li>Perform fluid analysis to detect contamination early and prevent system damage.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Start Your MOOG 631-102C Reconditioning Process<\/h2>\n<p>Request pricing, availability, and turnaround for your MOOG 631-102C. NC Servo Tech provides experienced 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\/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 Tech<\/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>Your MOOG 631-102C is essential equipment. Our technicians repair and test every unit on dedicated hydraulic test stands before it ships back to you.<\/p>\n<\/div>\n","protected":false},"featured_media":57707,"template":"","meta":[],"product_brand":[494],"product_cat":[139],"product_tag":[152],"class_list":{"0":"post-49186","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-moog","7":"product_cat-moog","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>MOOG 631-102C Valve Troubleshooting &amp; Repair<\/title>\n<meta name=\"description\" content=\"Need trusted, cost-effective servo valve repair for your MOOG 631-102C. 50+ years of hydraulic repair experience. 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