{"id":14750,"date":"2021-10-19T12:55:41","date_gmt":"2021-10-19T17:55:41","guid":{"rendered":"https:\/\/blog.wika.com\/us\/\/?p=14750"},"modified":"2023-08-25T07:42:45","modified_gmt":"2023-08-25T12:42:45","slug":"gauge-for-severe-pressure-pulsation","status":"publish","type":"post","link":"https:\/\/blog.wika.com\/us\/products\/pressure-products\/gauge-for-severe-pressure-pulsation\/","title":{"rendered":"Case Study: Engineered Gauge for Severe Pressure Pulsation is Answer for Company\u2019s Sanitary Processes"},"content":{"rendered":"<p><strong>The CEO of a personal care company contacted WIKA USA about problems reading a pressure gauge due to severe pressure fluctuations and pointer flutter. Our pressure expert immediately came up with a<\/strong> <strong>solution to dampen extreme pulsations in pressure applications, to the<\/strong> <strong>delight of this new customer.<\/strong><\/p>\n\n      <div class=\"wp-caption alignright\" style=\"max-width:258px;\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/us\/\/files\/2020\/11\/2.-pulsation.png\" alt=\"Effect of pulsation on pressure gauge\" \/><p class=\"wp-caption-text\">pointer flutter<\/p><\/div>\n    \n<p>Many industrial processes experience pulsation, defined as regular instances of rapid pressure changes in the media. This condition makes it difficult to read a standard <span><a href=\"https:\/\/blog.wika.com\/us\/\/products\/pressure-products\/eugene-bourdon-history-bourdon-gauge\/\">Bourdon tube gauge<\/a><\/span>, as the pointer flutters wildly. If a gauge undergoes prolonged pulsation, the internal components begin to wear down from constant movement, which shortens the instrument\u2019s service life. In extreme cases, the pointer breaks or detaches, and the entire gauge loses functionality.<\/p>\n<h2><span>Problem: How to Get Accurate Pressure Readings in a Process with Pulsation<\/span><\/h2>\n<p>A specialized company in the personal care space was having this exact problem with its pressure gauges. Technicians could not get accurate readings on a sanitary process that experiences regular pressure fluctuations. The details:<\/p>\n<ul>\n<li><strong>Process medium: <\/strong><span><\/span>a shear thinning fluid being pumped at 30 gpm at around 100 psi, with an estimated kinetic viscosity of 7700 cP<\/li>\n<li><strong>Goal: <\/strong>to measure the backpressure experienced by a cavitating positive displacement pump<\/li>\n<li><strong>Problem:<\/strong> a pressure fluctuation of 2 to 4 Hz, making it difficult to read the gauge<\/li>\n<\/ul>\n<p>When the CEO reached out to the original gauge manufacturer for recommendations to solve his pulsation issue, he was told that a <span><a href=\"https:\/\/blog.wika.com\/us\/\/knowhow\/dampened-movement-pressure-gauges-bimetal-thermometers\/\">dampened movement<\/a><\/span> gauge would take care of the problem. Unfortunately, that did not make a difference in his process, and the pointer continued to fluctuate wildly. This solution didn\u2019t work because while a dampened movement takes care of vibration-induced pointer flutter, it is not the answer for severe pulsation since it does not address the root cause.<span style=\"text-decoration: line-through\"><\/span><\/p>\n<p>Knowing there had to be a better solution, the CEO started researching online. He was thrilled to come across <span><a href=\"https:\/\/blog.wika.com\/us\/\/knowhow\/8-common-reasons-for-pressure-gauge-failure\/\">8 Common Reasons for Gauge Failure<\/a><\/span> on the <span><a href=\"https:\/\/blog.wika.com\/us\/\/\">WIKA USA blog<\/a><\/span> and immediately reached out to Hardy Orzikowski, product manager of mechanical pressure instrumentation.<\/p>\n<h2><span>Solution to Dampen Pressure Pulsations: Liquid Fill + Protective Restrictor<\/span><\/h2>\n<p>Hardy, a pressure expert with more than three decades of industry knowledge, is a pro at helping customers <span><a href=\"https:\/\/blog.wika.com\/us\/\/knowhow\/how-to-select-pressure-gauge\/\">select pressure gauges<\/a><\/span> for their unique applications. After listening to the CEO, who also required a sanitary connection, Hardy knew exactly what to recommend:<\/p>\n<ul>\n<li><span><a href=\"https:\/\/blog.wika.com\/us\/\/knowhow\/reasons-to-choose-liquid-filled-industrial-pressure-gauge\/\">Liquid filling<\/a><\/span> to lubricate the movement and dampen the pointer from vibrations and pulsations<\/li>\n<li><span><a href=\"https:\/\/www.wika.com\/media\/Brochures-and-flyers\/Industries\/fl_sanitaryapplications_en_us.pdf\" rel=\"external\" target=\"_blank\">Sanitary gauge assembly<\/a><\/span> with integrated <span><a href=\"https:\/\/blog.wika.com\/us\/\/products\/pressure-products\/diaphragm-seals-ultimate-protection-for-safer-more-sanitary-pressure-measurement\/\">diaphragm seal<\/a><\/span><\/li>\n<li>Internal restrictor to further dampen the pulsation being transmitted to the gauge<\/li>\n<\/ul>\n\n      <div class=\"wp-caption alignright\" style=\"max-width:308px;\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/us\/\/files\/2017\/06\/m93x.3a-388x388.png\" \/><p class=\"wp-caption-text\">M933.3A assembled diaphragm seal for sanitary applications<\/p><\/div>\n    \n<p>Convinced that this solution would work, the CEO bought and installed a <span><a href=\"https:\/\/www.wika.com\/en-us\/232_54_233_54.WIKA?ProductGroup=85995&amp;294=1215&amp;295=1218&amp;297=1225\" rel=\"external\" target=\"_blank\">M933.3A sanitary diaphragm seal assembly<\/a><\/span> with an internal restrictor to drastically reduce the effect of pulsations on the pressure gauge. He made an initial production run with this new gauge for severe pressure pulsation, and it performed superbly. He made a second run just to make sure the first time wasn\u2019t a fluke, and the results were exactly the same.<\/p>\n<p>\u201cBased on the description of the problem I faced, Hardy quickly and unerringly selected the proper gauge for me,\u201d the CEO said. \u201cThe gauge worked perfectly from the start \u2013 no pulsation, no fluctuation. The needle was as steady as a baby in the cradle!\u201d<\/p>\n<p>WIKA\u2019s recommendation to use an internal restrictor in combination with a <a href=\"https:\/\/www.youtube.com\/watch?v=ILTgNUow3i4&amp;list=PLCpcl-nFgYcrMd9sv7BwE2wX0AF1UuBpy&amp;index=24\" rel=\"external\" target=\"_blank\">glycerin case filling<\/a> made such a difference in the process monitoring that the CEO was able to make further improvements \u2013 some rather significant \u2013 throughout the production line.<\/p>\n<p>\u201cI\u2019m very glad I read your blog!\u201d he told Hardy.<\/p>\n<h2><span>WIKA USA, Part of Your Business<\/span><\/h2>\n<p>Hardy Orzikowski is not the only expert at WIKA USA who listens to customers and helps solve their most challenging issues. Our entire team is dedicated to finding the perfect measuring instruments for a variety of industries. For all your measurement needs \u2013 <a href=\"https:\/\/www.wika.com\/en-us\/products.WIKA?subnav=1\" rel=\"external\" target=\"_blank\">pressure<\/a>, <a href=\"https:\/\/www.wika.com\/en-us\/products.WIKA?subnav=2\" rel=\"external\" target=\"_blank\">temperature<\/a>, <a href=\"https:\/\/www.wika.com\/en-us\/products.WIKA?subnav=3\" rel=\"external\" target=\"_blank\">level<\/a>, <a href=\"https:\/\/www.wika.com\/en-us\/products.WIKA?subnav=4\" rel=\"external\" target=\"_blank\">force<\/a>, <a href=\"https:\/\/www.wika.com\/en-us\/products.WIKA?subnav=5\" rel=\"external\" target=\"_blank\">flow<\/a>, <a href=\"https:\/\/www.wika.com\/en-us\/products.WIKA?subnav=6\" rel=\"external\" target=\"_blank\">calibration<\/a>, or <a href=\"https:\/\/www.wika.com\/en-us\/power_transmission_and_distribution_sf6.WIKA?tab=1\" rel=\"external\" target=\"_blank\">SF<sub>6<\/sub> gas<\/a> \u2013 contact us for personalized recommendations and solutions.<\/p>\n<p>[contact-form-7 id=&#8221;14552&#8243; title=&#8221;Blog Contact Form&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CEO of a personal care company contacted WIKA USA about problems reading a pressure gauge due to severe pressure fluctuations and pointer flutter. Our pressure expert immediately came up with a solution to dampen extreme pulsations in pressure applications, to the delight of this new customer. Many industrial processes experience pulsation, defined as regular [&hellip;]<\/p>\n","protected":false},"author":232,"featured_media":14755,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,220],"tags":[851,687,635,477],"class_list":["post-14750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowhow","category-pressure-products","tag-case-study","tag-pressure-measurement","tag-sanitary-applications","tag-vibration"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pressure Gauge for Severe Pressure Pulsation - WIKA blog<\/title>\n<meta name=\"description\" content=\"WIKA USA helps a customer in the personal care industry select a sanitary pressure gauge assembly that dampens severe pressure pulsation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.wika.com\/us\/products\/pressure-products\/gauge-for-severe-pressure-pulsation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pressure Gauge for Severe Pressure Pulsation - 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