{"id":604,"date":"2017-01-04T04:02:38","date_gmt":"2017-01-04T05:02:38","guid":{"rendered":"https:\/\/isatis-fa.com\/?post_type=product&#038;p=604"},"modified":"2024-01-16T12:14:10","modified_gmt":"2024-01-16T08:44:10","slug":"%d8%af%db%8c%d8%a7%d9%81%d8%b1%d8%a7%da%af%d9%85-%d8%b3%db%8c%d9%84","status":"publish","type":"product","link":"https:\/\/isatis-fa.com\/en\/product\/%d8%af%db%8c%d8%a7%d9%81%d8%b1%d8%a7%da%af%d9%85-%d8%b3%db%8c%d9%84\/","title":{"rendered":"Diaphragm Seal"},"content":{"rendered":"<style type=\"text\/css\">@media only screen and (min-width: 1000px) and (max-width: 5000px){body.kc-css-system .kc-css-49227{width: 33.33%;}body.kc-css-system .kc-css-519910{width: 33.33%;}body.kc-css-system .kc-css-504396{width: 33.33%;}}<\/style>\n<section class=\"kc-elm kc-css-937975 kc_row\">\n<div class=\"kc-row-container kc-container\">\n<div class=\"kc-wrap-columns\">\n<div class=\"kc-elm kc-css-873330 kc_col-sm-12 kc_column kc_col-sm-12\">\n<div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-157804 kc_text_block\">\n<h2><span style=\"font-size: 12px;\"><strong>What is a Diaphragm Seal?\u00a0<\/strong><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">Chemical seals, or diaphragm seals, are used for fluids with high viscosity and corrosiveness.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> These devices are used to prevent direct contact between the measured fluid and the measuring instrument.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> These sensors, typically made of metal or specific types of flexible polymers, are constructed as either a flat or corrugated diaphragm. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">One of the main advantages of diaphragm seals is their ability to protect other pressure-measuring instruments from harsh conditions, such as high temperatures and corrosive fluids, as well as their excellent sealing capability. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">In other words, these types of sensors require significantly less additional sealing equipment.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> For this reason, many pressure-measuring instruments use a diaphragm as the pressure sensor. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">These devices use either the displacement of the diaphragm seal or the strain of its surface to perform measurements. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">For example, capacitive, inductive, resistive, and piezoelectric transducers utilize the displacement created by the diaphragm.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> They are used to measure pressure changes, while strain gauge transducers utilize the surface strain of the diaphragm.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full\" src=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/PIC_PR_990_27_de_de_47991.jpg.png\" alt=\"diaphragm seal \" width=\"363\" height=\"208\" \/><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><strong>Diaphragm Pressure Gauges<\/strong><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">These sensors, typically made of metal or specific types of flexible polymers, are constructed as either a flat or corrugated diaphragm. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">These types of devices are primarily used for measuring differential pressure.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> In a differential pressure (DP) cell, the mechanical deformation of the diaphragm causes a small displacement as well as surface strain of the diaphragm.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> These two properties\u2014displacement and surface strain\u2014can be used independently to measure the applied differential pressure. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">In fact, the amount of strain and displacement generated has a specific relationship with the applied differential pressure. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">Therefore, by knowing one of the two pressures, the unknown pressure can be determined.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full\" src=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/diaphragm-seal.jpg\" alt=\"diaphragm-seal\" width=\"165\" height=\"196\" \/><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><strong>Diaphragm Pressure Sensor<\/strong><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">One of the main advantages of diaphragm seals is their ability to protect other pressure-measuring instruments from harsh conditions, such as high temperatures and corrosive fluids, as well as their excellent sealing capability. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">In other words, these types of sensors require significantly less additional sealing equipment. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">For this reason, many pressure-measuring instruments use a diaphragm seal as the pressure sensor.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">These devices use either the displacement of the diaphragm or the surface strain of the diaphragm for measurement.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">For example, capacitive, inductive, resistive, and piezoelectric transducers utilize the displacement created by the diaphragm.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> They are used to measure pressure changes, while strain gauge transducers utilize the surface strain of the diaphragm.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-605\" src=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/123801-8055290.jpg\" alt=\"123801-8055290\" width=\"254\" height=\"186\" srcset=\"https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/123801-8055290.jpg 1230w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/123801-8055290-800x587.jpg 800w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/123801-8055290-300x220.jpg 300w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/123801-8055290-768x564.jpg 768w, https:\/\/isatis-fa.com\/wp-content\/uploads\/2017\/01\/123801-8055290-1024x752.jpg 1024w\" sizes=\"(max-width: 254px) 100vw, 254px\" \/><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><strong>Diaphragm Pressure Transmitter<\/strong><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">\u00a0Since many non-metallic diaphragms are sensitive to corrosive substances and impact, two diaphragms are used in such cases. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">The first diaphragm, which is in contact with the fluid, is usually made of stainless steel.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> The deformation of the first diaphragm under the influence of the fluid pressure causes the displacement of an intermediate fluid, which is incompressible and non-corrosive.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> Silicone oil, which also absorbs shocks and vibrations, is typically used as the transmitting fluid.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> This fluid transmits the pressure to the second diaphragm, which is typically non-metallic.<br \/>\n<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"><strong>Diaphragm Seal<\/strong><\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">Since diaphragms must be installed under specific conditions, such as being mounted between two flanges, replacing and calibrating them can be challenging.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> For this reason, in many cases, a capsule containing two connected metal diaphragms is used. <\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">This capsule is connected to the measured fluid through a tube.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">When the process fluid enters the capsule, it applies pressure to the capsule walls, causing deformation of the diaphragm walls.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\"> Capsules can also be arranged sequentially in line, thereby increasing the resulting displacement.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">\u00a0Compared to Bourdon sensors, diaphragm sensors, having a larger support surface, are less sensitive to environmental vibrations.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">These sensors are also widely used for measuring the pressure of viscous fluids.<\/span><\/h2>\n<h2><span style=\"font-size: 12px;\">It is worth noting that a major drawback of diaphragms is zero-point adjustment.<\/span><\/h2>\n<h2><span style=\"color: #ffffff; font-size: 12px;\">\u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644\u060c \u0627\u0634\u06a9\u0631\u0627\u0641\u062a \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644 \u0686\u06cc\u0633\u062a\u060c \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644 \u0631\u0648\u06cc\u06af\u0631 \u060c\u0633\u0627\u062e\u062a \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644\u060c \u0642\u06cc\u0645\u062a \u062f\u06cc\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644 \u060c\u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644<\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"kc-elm kc-css-283349 kc_row\">\n<div class=\"kc-row-container kc-container\">\n<div class=\"kc-wrap-columns\">\n<div class=\"kc-elm kc-css-519910 kc_col-sm-4 kc_column kc_col-sm-4\">\n<div class=\"kc-col-container\">\n<div class=\"kc-elm kc-css-441881 kc_text_block\">\n<p><a href=\"https:\/\/isatis-fa.com\/en\/contact-us\/\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" 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\u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u06cc\u0627 \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u0627\u06cc\u0646 \u0627\u062f\u0648\u0627\u062a \u062c\u0647\u062a \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>","protected":false},"featured_media":3101,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_cat":[68],"product_tag":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.4 (Yoast SEO v22.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644, \u0633\u0627\u062e\u062a \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644 , \u062a\u0648\u0644\u06cc\u062f \u062f\u06cc\u0627\u0641\u0631\u0627\u06af\u0645 \u0633\u06cc\u0644 ,<\/title>\n<meta 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