{"id":1164,"date":"2014-06-26T12:58:05","date_gmt":"2014-06-26T19:58:05","guid":{"rendered":"http:\/\/www.rbdinstruments.com\/blog\/?p=1164"},"modified":"2023-09-29T12:09:47","modified_gmt":"2023-09-29T19:09:47","slug":"pfeiffer-duo-1-5-pump-rebuild-procedure","status":"publish","type":"post","link":"https:\/\/www.rbdinstruments.com\/blog\/pfeiffer-duo-1-5-pump-rebuild-procedure\/","title":{"rendered":"Pfeiffer Duo 1.5 pump rebuild procedure"},"content":{"rendered":"\n<p>If you have an older Balzers Pfeiffer Duo 1.5 mechanical pump that needs to be rebuilt and want to do it yourself, here is a link to a detailed procedure:<\/p>\n\n\n\n<p><a href=\"http:\/\/www.rtftechnologies.org\/general\/pfeiffer-duo15a.html\">http:\/\/www.rtftechnologies.org\/general\/pfeiffer-duo15a.html<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft\"><a href=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?ssl=1\"><img data-attachment-id=\"1165\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/pfeiffer-duo-1-5-pump-rebuild-procedure\/pfeiffer-duo-mechanical-pump\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&amp;ssl=1\" data-orig-size=\"300,300\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"pfeiffer-duo-mechanical-pump\" data-image-description=\"&lt;p&gt;pfeiffer-duo-mechanical-pump&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;pfeiffer-duo-mechanical-pump&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"300\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=300%2C300&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg\" alt=\"pfeiffer-duo-mechanical-pump\" class=\"lazy wp-image-1165\" data-recalc-dims=\"1\"\/><noscript><img data-attachment-id=\"1165\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/pfeiffer-duo-1-5-pump-rebuild-procedure\/pfeiffer-duo-mechanical-pump\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&amp;ssl=1\" data-orig-size=\"300,300\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"pfeiffer-duo-mechanical-pump\" data-image-description=\"&lt;p&gt;pfeiffer-duo-mechanical-pump&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;pfeiffer-duo-mechanical-pump&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"300\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?resize=300%2C300&#038;ssl=1\" alt=\"pfeiffer-duo-mechanical-pump\" class=\"wp-image-1165\" data-recalc-dims=\"1\"\/><\/noscript><\/a><figcaption class=\"wp-element-caption\">pfeiffer-duo-mechanical-pump<\/figcaption><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>For parts or rebuilding of Pfeiffer Duo 1.5 mechanical and turbo pumps, here are some companies that we have used with success:<\/p>\n\n\n\n<p><a href=\"http:\/\/www.pchemlabs.com\/services.asp\">http:\/\/www.pchemlabs.com\/services.asp<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.ajvs.com\/new\/product_info.php?products_id=12557&amp;category_id=0\">https:\/\/www.ajvs.com\/new\/product_info.php?products_id=12557&amp;category_id=0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you have an older Balzers Pfeiffer Duo 1.5 mechanical pump that needs to be rebuilt and want to do it yourself, here is a link to a detailed procedure: http:\/\/www.rtftechnologies.org\/general\/pfeiffer-duo15a.html For parts or rebuilding of Pfeiffer Duo 1.5 mechanical &hellip; <a href=\"https:\/\/www.rbdinstruments.com\/blog\/pfeiffer-duo-1-5-pump-rebuild-procedure\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1165,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[164],"tags":[145,146,14],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/06\/pfeiffer-duo-mechanical-pump-e1403812137254.jpg?fit=300%2C300&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p2DEXo-iM","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":4200,"url":"https:\/\/www.rbdinstruments.com\/blog\/balzers-pfeiffer-turbo-pump-compatibility-chart\/","url_meta":{"origin":1164,"position":0},"title":"Balzers Pfeiffer Turbo pump compatibility chart","author":"Randy","date":"May 6, 2025","format":false,"excerpt":"This Balzers \/ Pfeiffer Turbo pump and controller compatibility chart was given to me by Dick Hagen of HSD Engineering about 25 years ago. It comes in handy when you are scrounging for turbo pumps or controllers on Ebay.","rel":"","context":"In &quot;General Optics and Vacuum&quot;","block_context":{"text":"General Optics and Vacuum","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/general-optics-and-vacuum\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2025\/05\/Compatibility-chart.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2025\/05\/Compatibility-chart.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2025\/05\/Compatibility-chart.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":2839,"url":"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/","url_meta":{"origin":1164,"position":1},"title":"Putting Together a Compact UHV (Ultra-high Vacuum) Chamber for Spectroscopy","author":"Joe Caterinicchio","date":"May 22, 2020","format":false,"excerpt":"Small, inexpensive UHV chambers have been the backbone of many commercial labs and universities for decades. The cost of larger, feature-rich systems has gone up dramatically in recent years, making compact, DIY chambers even more cost-effective for specialized applications and education. RBD has a range of products available to add\u2026","rel":"","context":"In &quot;General Optics and Vacuum&quot;","block_context":{"text":"General Optics and Vacuum","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/general-optics-and-vacuum\/"},"img":{"alt_text":"small vacuum chamber","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=900%2C1100&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=900%2C1100&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=900%2C1100&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2388,"url":"https:\/\/www.rbdinstruments.com\/blog\/avc-up-to-air-relay-update\/","url_meta":{"origin":1164,"position":2},"title":"AVC Up to Air relay update","author":"Randy","date":"July 31, 2018","format":false,"excerpt":"The Auto Valve Controller (AVC) is used to open and close valves on PHI surface analysis systems such as the 5000 series XPS and 660 scanning Auger systems.\u00a0 The AVC has a small built in microprocessor and so it also has the ability to protect the user from inadvertently opening\u2026","rel":"","context":"In &quot;Operation and Calibration Procedures&quot;","block_context":{"text":"Operation and Calibration Procedures","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/operation-and-calibration-procedures\/"},"img":{"alt_text":"Up to Air relay inside AVC","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/07\/Up-to-Air-relay-inside-AVC.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/07\/Up-to-Air-relay-inside-AVC.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/07\/Up-to-Air-relay-inside-AVC.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2018\/07\/Up-to-Air-relay-inside-AVC.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":647,"url":"https:\/\/www.rbdinstruments.com\/blog\/removing-oil-from-a-turbo-pump\/","url_meta":{"origin":1164,"position":3},"title":"Removing oil from a turbo pump","author":"Randy","date":"June 24, 2013","format":false,"excerpt":"This post will explain the procedure for removing oil from a turbo pump if the vent valve failed and oil was sucked up into the blades. Under normal conditions, when an oil rotary vane mechanical backed turbo pump is turned off it should be vented (preferably with dry nitrogen) to\u2026","rel":"","context":"In &quot;General Optics and Vacuum&quot;","block_context":{"text":"General Optics and Vacuum","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/general-optics-and-vacuum\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2013\/06\/turbo-pump-oil.jpg?fit=464%2C337&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3860,"url":"https:\/\/www.rbdinstruments.com\/blog\/ion-pump-elements-flip-the-plates-part-ii\/","url_meta":{"origin":1164,"position":4},"title":"Ion pump elements \u2013 Flip the plates part II","author":"Randy","date":"October 25, 2023","format":false,"excerpt":"This blog post will explain how you can modify the ion pump element Tantalum and Titanium plates to expose a fresh surface area which functionally is the same thing as replacing the plates.","rel":"","context":"In &quot;General Optics and Vacuum&quot;","block_context":{"text":"General Optics and Vacuum","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/general-optics-and-vacuum\/"},"img":{"alt_text":"new sputter area","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/10\/new-sputter-area.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/10\/new-sputter-area.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/10\/new-sputter-area.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2023\/10\/new-sputter-area.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":962,"url":"https:\/\/www.rbdinstruments.com\/blog\/planned-power-outage-procedures-scanning-auger\/","url_meta":{"origin":1164,"position":5},"title":"Planned power outage procedures for scanning Auger","author":"Randy","date":"January 14, 2014","format":false,"excerpt":"This planned power outage procedure is written for a Physical Electronics (PHI) 600 scanning Auger system, but it applies to all older PHI systems including the 5000 series X-ray photoelectron spectrometers. At many companies and universities the facilities departments occasionally have planned power outages for maintenance purposes. The following procedures\u2026","rel":"","context":"In &quot;Operation and Calibration Procedures&quot;","block_context":{"text":"Operation and Calibration Procedures","link":"https:\/\/www.rbdinstruments.com\/blog\/category\/operation-and-calibration-procedures\/"},"img":{"alt_text":"scanning-auger-electronic-console","src":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2014\/01\/scanning-auger-electronics-console.png?fit=524%2C480&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/1164"}],"collection":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/comments?post=1164"}],"version-history":[{"count":1,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/1164\/revisions"}],"predecessor-version":[{"id":3856,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/1164\/revisions\/3856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media\/1165"}],"wp:attachment":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media?parent=1164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/categories?post=1164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/tags?post=1164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}