{"id":18488,"date":"2018-12-14T16:39:25","date_gmt":"2018-12-14T20:39:25","guid":{"rendered":"https:\/\/www.equilibar.com\/support\/assembly-rebuild-instructions\/"},"modified":"2026-03-02T15:45:26","modified_gmt":"2026-03-02T19:45:26","slug":"maintenance-spare-parts-rebuild-instructions","status":"publish","type":"page","link":"https:\/\/www.equilibar.com\/fr\/support\/maintenance-spare-parts-rebuild-instructions\/","title":{"rendered":"Maintenance, Spare Parts and Rebuild Information"},"content":{"rendered":"<h3>MAINTENANCE NOTES<\/h3> <p>Equilibar recommends the following for improved product longevity and performance:<\/p> <ul> <li>Maintain a strainer or filter upstream of the back pressure regulator.<\/li> <li>Conduct an annual inspection of the diaphragm integrity, especially for applications where there is strong or regular pulsing (i.e. reciprocating pump, etc.). Increased inspection frequency may be necessary for extreme condition applications.<\/li> <li>After inspection, it is recommended to clean the regulator prior to reassembly. (Follow assembly instructions in the <em><strong>Installation &amp; Maintenance Guide<\/strong> <\/em>shipped with the product, or <a href=\"https:\/\/www.equilibar.com\/support\/downloads\/\">download the Installation &amp; Maintenance Guide<\/a> from our website).<\/li> <\/ul> <h3>REPLACEMENT PARTS<\/h3> <p>It is recommended to order spare parts prior to performing maintenance. The following replacement part kits are available for order:<\/p> <ul> <li>RBK &#8211; Rebuild Kits &#8211; replacement parts for <em><strong>O-rings AND diaphragms<\/strong><\/em><\/li> <li>DI &#8211; Diaphragm Kit &#8211; replacement parts for <em><strong>diaphragms only<\/strong><\/em><\/li> <li>OR &#8211; O-ring Kit &#8211; replacement parts for the <em><strong>O-rings only<\/strong><\/em><\/li> <\/ul> <p> <a href=\"https:\/\/www.equilibar.com\/contact\/\">Contact Us<\/a> to place an order<\/p> <p><strong>Special product circumstances<\/strong><\/p> <ul> <li>The Ultra Low Flow <strong>UxL<\/strong> Series and The Zero Flow <strong>ZF<\/strong> back pressure regulators have extra internal parts that may need to be replaced on an infrequent basis.<\/li> <\/ul> <p> <a href=\"https:\/\/www.equilibar.com\/contact\/\">Contact an application engineer<\/a> to discuss what type of replacement parts you require.<\/p> <h3>INSTALLATION &amp; REBUILD INSTRUCTIONAL VIDEOS<\/h3> <p style=\"text-align: left;\">The videos below demonstrate how simple it is to rebuild an Equilibar back pressure regulator.<\/p> <div class=\"grid\"><div class=\"c-one-half \"> <h4>How to Rebuild an Equilibar Research or GS Series regulator<\/h4> <p>The regulator in this video is a <strong>research series back pressure regulator<\/strong>, but the process is similar for our GS series back pressure regulators.<br \/> <iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gD7CD8OA8CE?si=hGniDRzqp_GUhFFV\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div> <div class=\"c-one-half \"> <h4>Tips for installing an O-Ring in an Equilibar GSD6 back pressure regulator<\/h4> <p>In certain cases, it may be tricky to insert the O-Ring into the<strong> GSD6<\/strong> back pressure regulator. For tips from our engineers, watch the video below.<br \/> <iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/nTF_EGDhtcI\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><\/div><br \/> <div class=\"grid\"><div class=\"c-one-half \"> <h4>How to remove &#8220;removable seat&#8221; in the UxL or ZF<\/h4> <p>The Equilibar <strong>UxL<\/strong> and <strong>ZF<\/strong> back pressure regulators have a different design with a &#8220;removable seat.&#8221; The rebuild instructions include an additional step for that seat. The video below demonstrates <strong>how to replace a &#8220;removable seat&#8221; in a UxL<\/strong> or <strong>ZF<\/strong> back pressure regulator.<\/p> <p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/qMCV-c_tPm0?si=gzIS_6IUB4mySx6N\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><div class=\"c-one-half \"> <h4>How to rebuild an Equilibar ZF back pressure regulator<\/h4> <p>The <strong>ZF<\/strong> back pressure regulator has additional parts for zero flow performance. The video below demonstrates <strong>how to rebuild a ZF<\/strong> back pressure regulator. Watch the &#8220;removable seat&#8221; video with this one to learn how to use the &#8220;removable seat&#8221; tool. <a href=\"https:\/\/www.equilibar.com\/contact\/\">Contact us<\/a> if you need a tool.<\/p> <p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/hLJS5jfc2_4\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><\/div><br \/> <div class=\"grid\"><div class=\"c-one-half \"> <h4>Tips for installing an O-ring in an Equilibar LF<\/h4> <p>If the O-ring in your repair kit appears to be too small, we recommend gently stretching out the O-ring as shown in this video with an Equilibar LF back pressure regulator.<\/p> <p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/2rs7AnYBxWc\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><div class=\"c-one-half \"> <h4>How to Assemble an Equilibar BD Back Pressure Valve<\/h4> <p>The Equilibar BD Series valves are much larger than the research and general series (GS) regulators. This video gives tips for assembling these large BD back pressure valves.<\/p> <p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/ULWxAOjFHS0\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div><\/div><br \/> <div class=\"grid\"><div class=\"c-one-half \"> <h4>How to Insert an O-Ring in an Equilibar BD Valve<\/h4> <p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/vdr2jvzhitA\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p> <\/div><div class=\"c-one-half \"> <h4>How to Assemble an Equilibar SD Single Use Valve<\/h4> <p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/qz55ZHGUb0E?si=RN2gt5c2zG7Qkg-I\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/> <\/div><\/div><\/p> ","protected":false},"excerpt":{"rendered":"<p>MAINTENANCE NOTES Equilibar recommends the following for improved product longevity and performance: Maintain a strainer or filter upstream of the back pressure regulator. Conduct an annual inspection of the diaphragm integrity, especially for applications where there is strong or regular pulsing (i.e. reciprocating pump, etc.). Increased inspection frequency may be necessary for extreme condition applications.&nbsp;<a class=\"button excerpt-more\" style=\"padding:0 10px !important; margin:0;\" href=\"https:\/\/www.equilibar.com\/fr\/support\/maintenance-spare-parts-rebuild-instructions\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1625,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-sidebar-left.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-18488","page","type-page","status-publish","hentry","btp_relation_tag-s-techarticle"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Maintenance, Spare Parts and Rebuild Information -<\/title>\n<meta name=\"description\" content=\"Customer maintenance tips and notes for caring for an Equilibar Back Pressure Regulator. 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