{"id":51943,"date":"2025-06-16T19:57:00","date_gmt":"2025-06-16T19:57:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=51943"},"modified":"2026-03-31T18:55:28","modified_gmt":"2026-03-31T18:55:28","slug":"moog-631-345c","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/","title":{"rendered":"MOOG 631-345C"},"content":{"rendered":"<div id=\"wb-overview\" class=\"wordbank-container\">\n<h2>Valve Overview<\/h2>\n<p>We handle a wide range of MOOG 631-345C 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>About Our Shop<\/h2>\n<p>NC Servo Tech operates independently, so we&#8217;re not tied to manufacturer delays or restrictions. That means more flexibility when your system is down.<\/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 better to refurbish or buy a new unit?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>In most cases, repair costs less than replacement, especially for legacy or OEM-specific models. We evaluate every unit and let you know what makes sense.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">How quickly can you return a repaired unit?<\/button><\/h3>\n<div id=\"faq-content-1\" 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-2\">Will I be contacted if the unit is beyond repair?<\/button><\/h3>\n<div id=\"faq-content-2\" 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-3\">Do you offer emergency or expedited repairs?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>We can often prioritize urgent jobs. Note it on your request form and we&#8217;ll let you know what&#8217;s possible.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Do I need to clean the unit before sending it in?<\/button><\/h3>\n<div id=\"faq-content-4\" 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<\/p><\/div>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>Rebuild Steps<\/h2>\n<p>We rebuild every valve from the inside out: cleaning, inspection, parts replacement, reassembly, and bench testing.<\/p>\n<ul>\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<li>Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.<\/li>\n<li>Teardown: Every valve is disassembled for internal inspection.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Diagnostic 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 performance testing verifies proper functionality.<\/p>\n<\/div>\n<div id=\"wb-tech-overview\" class=\"wordbank-container new-dynamic-section\">\n<h2>MOOG 631-345C Specifications<\/h2>\n<p>Every MOOG 631-345C we service is tested under typical applications. Our diagnostics verify performance against published specifications. Cycle life data and Technical diagrams are available for purchase upon request.<\/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 specialist for MOOG 631-345C services, NC Servo Tech targets quick resolution with typical lead times of 1 to 2 weeks. Benefit from our dedicated support team 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>Document all maintenance activities to track performance trends over time.<\/li>\n<li>Conduct thorough visual inspections for wear or leaks during routine maintenance.<\/li>\n<li>Check system pressure regularly to verify it stays within the MOOG 631-345C rated operating range.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Let Us Repair Your MOOG 631-345C<\/h2>\n<p>Request pricing, availability, and turnaround for your MOOG 631-345C. NC Servo Tech provides warrantied 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\/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 631-345C 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-51943","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 631-345C Valve Repair &amp; Rebuild<\/title>\n<meta name=\"description\" content=\"Hydraulic valve repair: Documented, warrantied service for your MOOG 631-345C. 1-year warranty on parts and labor. Call today!\" \/>\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=\"MOOG 631-345C Valve Repair &amp; Rebuild\" \/>\n<meta property=\"og:description\" content=\"Hydraulic valve repair: Documented, warrantied service for your MOOG 631-345C. 1-year warranty on parts and labor. Call today!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/\" \/>\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=\"2026-03-31T18:55:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-62-102-image-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1850\" \/>\n\t<meta property=\"og:image:height\" content=\"1780\" \/>\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\\\/moog-631-345c\\\/\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/\",\"name\":\"MOOG 631-345C Valve Repair &amp; Rebuild\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/moog-62-102-image-1.webp\",\"datePublished\":\"2025-06-16T19:57:00+00:00\",\"dateModified\":\"2026-03-31T18:55:28+00:00\",\"description\":\"Hydraulic valve repair: Documented, warrantied service for your MOOG 631-345C. 1-year warranty on parts and labor. Call today!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/moog-62-102-image-1.webp\",\"contentUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/moog-62-102-image-1.webp\",\"width\":1850,\"height\":1780},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/moog-631-345c\\\/#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\":\"MOOG 631-345C Valve Support\"}]},{\"@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":"MOOG 631-345C Valve Repair &amp; Rebuild","description":"Hydraulic valve repair: Documented, warrantied service for your MOOG 631-345C. 1-year warranty on parts and labor. Call today!","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":"MOOG 631-345C Valve Repair &amp; Rebuild","og_description":"Hydraulic valve repair: Documented, warrantied service for your MOOG 631-345C. 1-year warranty on parts and labor. Call today!","og_url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/","og_site_name":"Nc Servo Technology","article_publisher":"https:\/\/www.facebook.com\/NCServo\/","article_modified_time":"2026-03-31T18:55:28+00:00","og_image":[{"width":1850,"height":1780,"url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-62-102-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\/moog-631-345c\/","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/","name":"MOOG 631-345C Valve Repair &amp; Rebuild","isPartOf":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/#primaryimage"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/#primaryimage"},"thumbnailUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-62-102-image-1.webp","datePublished":"2025-06-16T19:57:00+00:00","dateModified":"2026-03-31T18:55:28+00:00","description":"Hydraulic valve repair: Documented, warrantied service for your MOOG 631-345C. 1-year warranty on parts and labor. Call today!","breadcrumb":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/#primaryimage","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-62-102-image-1.webp","contentUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/moog-62-102-image-1.webp","width":1850,"height":1780},{"@type":"BreadcrumbList","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/moog-631-345c\/#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":"MOOG 631-345C Valve Support"}]},{"@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\/51943","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\/57707"}],"wp:attachment":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media?parent=51943"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_brand?post=51943"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_cat?post=51943"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_tag?post=51943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}