{"id":267,"date":"1970-01-01T00:00:00","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"http:\/\/equilibar.183-2.purplecat.net\/?page_id=267"},"modified":"2022-08-17T15:19:39","modified_gmt":"2022-08-17T19:19:39","slug":"low-dead-volume","status":"publish","type":"page","link":"https:\/\/www.equilibar.com\/ja\/back-pressure-regulators\/severe-services\/low-dead-volume\/","title":{"rendered":"Low Dead Volume Back Pressure Regulators"},"content":{"rendered":"

Equilibar offers back pressure regulators with extremely low dead volume for use in analytical applications such as High Performance Liquid Chromatography (HPLC). These regulators utilize the 1\/16″ HPLC industry standard tube fittings also known Valco-style fittings.<\/p>

The LVF Series back pressure regulator<\/a> is a very compact, low dead volume version of our Low Flow, LF series back pressure regulator. It comes exclusively in 1\/16″ size ports, either HPLC (10-32) style threads or HiP AF1 style. This unit has a maximum Cv of 0.01 and is available in pressures up to 2000 psig \/ 138 bar(g).<\/p>

The LF Low Flow back pressure regulator<\/a> with 1\/8″ NPT pipe fittings has approximately 3 ml of dead volume during normal operation. However, with optional 1\/16″ HPLC (Valco-style) fittings, this unit has\u00a0only 0.2 ml dead volume. The LF regulator is available in pressures up to 1000 psig \/ 60 bar(g) with liquid flow rates down to approximately 1 milliliter per hour.<\/p>

The higher pressure H3P<\/a> and H6P back pressure regulators<\/a> are also available with Valco-style HPLC fittings with the same low dead volume as the LF regulator, but with pressures up to 3000 and 6000 psig \/ 207 and 414 bar(g) respectively.<\/p>

Application in high pressure HPLC Systems<\/h4>

The schematic below shows how the Equilibar\u00ae precision back pressure regulator can be used to maintain high back pressure on an HPLC column. High pressures are typically required for systems such as Supercritical Fluid Chromatography, where CO2 solvent must be maintained in the range of 2500 to 6000 psig \/ 172 to 414 bar(g).<\/p>

Request a Quote<\/a> Download Brochure<\/a><\/center><\/div>
\"LVFEquilibar LVF back pressure regulator<\/p>
<\/div>

\"\"<\/p>

Download the product brochure<\/a> for laboratory and research regulators.<\/div> <\/div><\/div><\/p>

\"diagram<\/p>

<\/div>Read more about Equilibar’s Research Series<\/a> regulators.<\/p>

See the Research Series Brochure<\/a> for more detailed product information.<\/p>

Contact an application\u00a0engineer<\/a> to discuss your specific application requirements.<\/p>

 <\/p> ","protected":false},"excerpt":{"rendered":"

Read more about Equilibar’s Research Series regulators. See the Research Series Brochure for more detailed product information. Contact an application\u00a0engineer to discuss your specific application requirements.  <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":255,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-sidebar-left.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-267","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nLow Dead Volume Regulator<\/title>\n<meta name=\"description\" content=\"The Equilibar back pressure regulator has HPLC fittings for extremely low dead volume internal\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.equilibar.com\/back-pressure-regulators\/severe-services\/low-dead-volume\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Low Dead Volume Back Pressure 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