{"id":16908,"date":"2022-08-11T09:00:14","date_gmt":"2022-08-11T17:00:14","guid":{"rendered":"https:\/\/www.linquip.com\/blog\/?p=16908"},"modified":"2026-02-27T10:54:22","modified_gmt":"2026-02-27T18:54:22","slug":"what-are-coaxial-valves-working-principles-and-types","status":"publish","type":"post","link":"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/","title":{"rendered":"What are Coaxial Valves? Working Principles and Type"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#What_is_A_Coaxial_Valve\" >What is A Coaxial Valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Features_of_Coaxial_Valves\" >Features of Coaxial Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Types_of_Coaxial_Valves\" >Types of Coaxial Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Is_a_Coaxial_Solenoid_Valve_the_Right_Fit_for_Your_Needs\" >Is a Coaxial Solenoid Valve the Right Fit for Your Needs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Working_Principles_of_Coaxial_Valves\" >Working Principles of Coaxial Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Applications_of_Coaxial_Valves\" >Applications of Coaxial Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Advantages_of_Coaxial_Valves\" >Advantages of Coaxial Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.linquip.com\/blog\/what-are-coaxial-valves-working-principles-and-types\/#FAQs_about_Coaxial_Valves\" >FAQs about Coaxial Valves<\/a><\/li><\/ul><\/nav><\/div>\n<p><i><span style=\"font-weight: 400;\">What are Coaxial Valves? Working Principles &amp; Types<\/span><\/i><span style=\"font-weight: 400;\"> &#8211; Coaxial valves are meant to be entirely pressure balanced. The switching behavior is virtually unaffected by the pending medium pressure. Regardless of whether the valves are under vacuum, low pressure, or high pressure, the switching capacity stays constant and the valves switch safely. The pressure levels are limited only by the seal friction at higher pressures. In this post, we discuss the basics of coaxial valves, their working principles and types.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_A_Coaxial_Valve\"><\/span><span style=\"font-weight: 400;\">What is A Coaxial Valve?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A coaxial valve functions by using an internal laterally moveable hollow tube that may regulate or redirect the flow of media flowing through the valve. Internal coax tubes are usually made of 316 stainless steel, which has better corrosion, wear, and chemical resistance, making it appropriate for a variety of inert, aggressive, corrosive, polluted, abrasive thick glutinous liquid or gas media.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">PTFE, NBR, EPDM, or FKM O ring seals hold the coaxial tube in place, allowing for lateral tube movement while preventing the media from touching any of the valve&#8217;s internal elements. When pushed laterally (coaxially) by either an electromagnetic solenoid or an external pneumatic air pilot control, the tube ends will seal against a gasket or seal to either block or allow the passage of media.<\/span><\/p>\n<figure id=\"attachment_16911\" aria-describedby=\"caption-attachment-16911\" style=\"width: 602px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-16911\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure1-1.png\" alt=\"What are Coaxial Valves? Working Principles &amp; Types\" width=\"602\" height=\"487\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure1-1.png 602w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure1-1-300x243.png 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure1-1-519x420.png 519w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><figcaption id=\"caption-attachment-16911\" class=\"wp-caption-text\">A coaxial valve (Reference: <strong>connexion-developments.com<\/strong>)<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Features_of_Coaxial_Valves\"><\/span><span style=\"font-weight: 400;\">Features of Coaxial Valves<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span style=\"font-weight: 400;\">Free Flow Path<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Coaxial valves are designed for highly viscous fluids because the flow path is relatively free of obstructions. Because of the simple design, they can withstand large flow rates with minimal pressure loss.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Unaffected by Pressure<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Coaxial solenoid valves can withstand pressures of up to 400 bar and are unaffected by pressure changes at the inlet or outlet. They can also work in a vacuum or at a zero pressure difference.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Response Time<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Coaxial valves are extremely fast-acting when compared to other valves for highly viscous media (motorized ball, gate, butterfly, and globe valves). Other methods might take a long time to activate.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Position Signaling<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">During the valve manufacturing process, position signaling devices can be added to send open or closed position feedback.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Maintenance<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Coax valves have a long cycle life, are durable, and require little upkeep. They can, however, be equipped with manual overrides to make commissioning and maintenance easier.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Coaxial_Valves\"><\/span><span style=\"font-weight: 400;\">Types of Coaxial Valves<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Coaxial Solenoid Valves<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A solenoid-operated 2\/2 way, usually closed coaxial valve (two ports P input 1 and A output 1) is shown on the right, with the flow route running via a central core tube (3), which is the tube. When an electrical signal is supplied to the connection (5), the coil (4) creates a magnetic field that pulls the tube (3) laterally towards it (left to right), revealing a flow channel through the valve. When the power is turned off, the spring returns the armature to its closed rest position. Coaxial valves are also available in 2\/2 way typically open configurations, which are spring open with power to shut.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3\/2 way coaxial solenoid controlled valves are also available, with 3 ports and 2 positions. This is a third port (R) or exhaust port that is at 90 degrees to port P (essentially when diagram item 1 points) and is either open when port A is closed (tube to the left exposing R) or closed when port A is open (tube to the right covering R).<\/span><\/p>\n<figure id=\"attachment_16912\" aria-describedby=\"caption-attachment-16912\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-16912\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure2-1.png\" alt=\"What are Coaxial Valves? Working Principles &amp; Types\" width=\"300\" height=\"193\" title=\"\"><figcaption id=\"caption-attachment-16912\" class=\"wp-caption-text\">Various parts of a coaxial solenoid valve (1. inlet and outlet ports; 2. sealing face; 3. core tube; 4. coil (electromagnet);\u00a0 5. connector) (Reference: <strong>coax-valve.com<\/strong>)<\/figcaption><\/figure>\n<h3><span style=\"font-weight: 400;\">Coaxial Pneumatic Valves<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The image on the right shows an externally compressed air pilot controlled 2\/2 way normally closed coax valve, in which the solenoid coil has been replaced by a pneumatic piston (3) and the connector has been replaced by two air control inlet pilot holes (6), which are generally surrounded by four namur mounting holes so that 5\/2 way namur interface solenoid controllers can be straightforwardly mounted to the valve body to control the compressed air supply. Because the tube (3) is resting on the sealing face, a normally closed valve with intake port P (1) and output port A at rest will restrict passage from P to A. (2). When compressed air is injected into the pilot hole (6) of the air coax valve, the piston slides laterally (coaxially) away from the sealing face (2), enabling flow. When the pressurized air is withdrawn, the internal spring pushes the tube back to its resting position, sealing (2) the valve and prohibiting flow. These valves can be provided 2\/2 way typically open, with the spring holding the valve open until compressed air is applied to close it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3\/2 way coaxial air operated valves are also available, with 3 ports and 2 positions. This is a third port (R) or exhaust port that is 90 degrees to port P (essentially when diagram item 1 points) and is either open when port A is closed (tube to the right revealing R) or closed when port A is open (tube to the left obscuring R).<\/span><\/p>\n<figure id=\"attachment_16913\" aria-describedby=\"caption-attachment-16913\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-16913\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure3-1.png\" alt=\"What are Coaxial Valves? Working Principles &amp; Types\" width=\"510\" height=\"254\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure3-1.png 510w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure3-1-300x149.png 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure3-1-324x160.png 324w\" sizes=\"(max-width: 510px) 100vw, 510px\" \/><figcaption id=\"caption-attachment-16913\" class=\"wp-caption-text\">Various parts of a coaxial pneumatic valve (1. Inlet port P outlet A; 2. Sealing face; 3. Pneumatic piston; 4. Piston guide and static seal (Inlet); 5. Piston guide and static seal (Outlet); 6. Air control pilot hole (Namur mount)) (Reference: <strong>coax-valve.com<\/strong>)<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Is_a_Coaxial_Solenoid_Valve_the_Right_Fit_for_Your_Needs\"><\/span><span style=\"font-weight: 400;\">Is a Coaxial Solenoid Valve the Right Fit for Your Needs?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Compared to general-purpose solenoid valves, a coax valve has a number of benefits. If any of the following apply to your application, these valves could be a good fit:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High flow rates and little pressure loss are required by your system.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Your medium has high viscosity (more than 50 CST)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Your medium is gas or liquid that is aggressive, abrasive, mildly polluted, or sensitive.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">There is a lot of back pressure (up to 400 bars) or pressure fluctuations.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Your system necessitates rapid reaction times.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Up to 10-4 mbar vacuum is present in your medium.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">There is no pressure difference in your system.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Working_Principles_of_Coaxial_Valves\"><\/span><span style=\"font-weight: 400;\">Working Principles of Coaxial Valves<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">These valves operate on a fairly basic concept. The main seal is mounted on one end of the valve&#8217;s moving element; when unpowered (or in the absence of a pneumatic signal), the main seal closes the valve&#8217;s orifice, which is held in place by the return spring. The moveable element moves when the valve is turned on (either pneumatically or electrically), compressing the return spring and allowing fluid to flow through the orifice to the application. The inlet and outlet connections are oriented on the same axis, making installation on a pipe run easier. To find out more about the working principle of Coaxial Valves, watch <\/span><a href=\"https:\/\/www.youtube.com\/watch?v=v8gui0fpfl8\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">this nice video<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<figure id=\"attachment_16914\" aria-describedby=\"caption-attachment-16914\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-16914\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure4.png\" alt=\"What are Coaxial Valves? Working Principles &amp; Types\" width=\"900\" height=\"600\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure4.png 900w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure4-300x200.png 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure4-768x512.png 768w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure4-696x464.png 696w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2022\/05\/Figure4-630x420.png 630w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-16914\" class=\"wp-caption-text\">Working principle of a coaxial valve (Reference: <strong>coax-valve.com<\/strong>)<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_Coaxial_Valves\"><\/span><span style=\"font-weight: 400;\">Applications of Coaxial Valves<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In mechanical and plant engineering, coaxial valves are especially well suited to lubricants. Vacuum and gas technology, test bench building, ship and rail engines, and filling and dosing technology are all viable applications. Both gaseous and liquid, unclean or gelatinous media, such as oils, emulsions, coolants, and lubricants, can be employed with appropriate sealing.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_Coaxial_Valves\"><\/span><span style=\"font-weight: 400;\">Advantages of Coaxial Valves<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Pressure Balanced Design<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Regardless of system pressure and pressure differences, the coaxial design balances forces within the valve. Whether it&#8217;s regulating vacuum or high pressure, the results are always exact and consistent. Coaxial valves, unlike conventional valves, do not require a minimum pressure differential to work.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Back Pressure Tight<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">When the valve is closed, the pressure at the exit can be higher without causing any leaks.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Maintenance Free and Resistant to Dirt<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Even in the presence of heavily polluted media, the innovative coaxial valve design reduces valve seat wear. Coaxial valves require minimal maintenance because they just have one moving part, no stem seal, and no external actuator\/operator. Coaxial valves have up to ten times the lifetime of ordinary valves, even under harshest environments.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Fast Actuation<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Coaxial valves are some of the quickest valves you may specify because of their pressure-balanced design, which allows for fast, repeatable operation in less than 30 milliseconds.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Bi-Directional Operation<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The valve&#8217;s design allows the medium to flow in both directions, obviating the need for further valves.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Compact Size<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The coaxial valve design allows for a more compact packaging by obviating the need for large actuators.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-weight: 400;\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In this post, we have described the basics of coaxial valves along with their working principle, types, applications, and their advantages. At Linquip, you can find numerous <\/span><a href=\"https:\/\/www.linquip.com\/suppliers-companies?category_id=339&amp;cn=valve\"><b>Valve Companies<\/b><\/a><span style=\"font-weight: 400;\">, along with various <\/span><a href=\"https:\/\/www.linquip.com\/suppliers-companies\/service-provider?category_id=339&amp;cn=valve\"><b>Service Providers<\/b><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/www.linquip.com\/suppliers-companies\/distributor?category_id=339&amp;cn=valve\"><b>Distributors<\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_about_Coaxial_Valves\"><\/span><span style=\"font-weight: 400;\">FAQs about Coaxial Valves<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">1. How does a coaxial valve work?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A coaxial solenoid valve is a direct-acting solenoid valve with an unobstructed flow route for very viscous media or high-pressure applications. These valves have a one-of-a-kind design that makes them ideal for systems with high flow rates and minimum pressure loss over the valve.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">2. What are the selection criteria for coaxial solenoid valves?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The major selection criteria for coaxial solenoid valves are the differential pressure parameters at the ports, the KV value, and the valve orifice. To avoid corrosion and ensure adequate valve life, the construction material, namely the body and seal material, must be compatible with the medium.<\/span><\/p>\n<h3><b>Buy Equipment or Ask for a Service<\/b><\/h3>\n<p>By using Linquip RFQ Service, you can expect\u00a0to receive quotations from various suppliers across multiple industries and regions.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"http:\/\/linquip.com\/get-quote?utm_source=blog&amp;utm_medium=content&amp;utm_campaign=product_list&amp;utm_term=product_list&amp;utm_content=rfq\" target=\"_blank\" rel=\"noopener\">Click Here to Request a Quotation From Suppliers and Service Provider<\/a><\/strong><\/p>\n<p><em><strong>Read More in Linquip<\/strong><\/em><\/p>\n<ul>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/how-to-prevent-sewer-backflow-valve-problems\/\" target=\"_blank\" rel=\"noopener\">How to Prevent Sewer Backflow Valve Problems?<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/what-is-pilot-valve\/\" target=\"_blank\" rel=\"noopener\">What is Pilot Valve? 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font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/angle-valve-installation-costs\/\" target=\"_blank\" rel=\"noopener\">Angle Valve Installation Costs: Practical Factors in 2026<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/globe-valve-installation-costs\/\" target=\"_blank\" rel=\"noopener\">Globe Valve Installation Costs in 2026 (Clear Guide) + PDF<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/gate-valve-installation-costs\/\" target=\"_blank\" rel=\"noopener\">Gate Valve Installation Costs and Maintenance in 2026 (Clear Guide)<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/types-of-expansion-valves-guide\/\" target=\"_blank\" rel=\"noopener\">6 Main Types of Expansion Valves: an Easy to Understand Guide<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/angle-valve\/\" target=\"_blank\" rel=\"noopener\">Angle Valve: The Most Essential Tips of Features, Functions &amp; Applications<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/globe-valve-parts-101-all-you-need-to-know\/\" target=\"_blank\" rel=\"noopener\">Globe valve parts 101: All you need to know in one place<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/the-10-best-sprinkler-valves-in-2022\/\" target=\"_blank\" rel=\"noopener\">The 10 Best Sprinkler Valves in 2026<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/what-is-automatic-expansion-valve\/\" target=\"_blank\" rel=\"noopener\">What is Automatic Expansion Valve: A Basic Guide<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"What is Solenoid Valve and How Does It Work? 2022 Guideline\" href=\"https:\/\/www.linquip.com\/blog\/solenoid-valves-features-applications\/\" target=\"_blank\" rel=\"noopener\">What is Solenoid Valve and How Does It Work? 2026 Guideline<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a href=\"https:\/\/www.linquip.com\/blog\/what-is-block-valve-working-principle-types\" target=\"_blank\" rel=\"noopener\">What is Block Valve? Working Principle &amp; Types<\/a><br \/>\n<\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"Types Of Solenoid Valves: Everything You Need To Know\" href=\"https:\/\/www.linquip.com\/blog\/types-of-solenoid-valves\/\" target=\"_blank\" rel=\"noopener\">Types Of Solenoid Valves: Everything You Need To Know<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"Types of Pneumatic Valves: Specifications and Working Principles\" href=\"https:\/\/www.linquip.com\/blog\/types-of-pneumatic-valves\/\" target=\"_blank\" rel=\"noopener\">Types of Pneumatic Valves: Specifications and Working Principles<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"Best Check Valve for Sump Pump: 9 of the Best Models\" href=\"https:\/\/www.linquip.com\/blog\/best-check-valve-for-sump-pump-9-of-the-best-models\/\" target=\"_blank\" rel=\"noopener\">Best Check Valve for Sump Pump: 9 of the Best Models<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"Best Pressure Reducing Valves of 2022\" href=\"https:\/\/www.linquip.com\/blog\/best-pressure-reducing-valves-of-2022\/\" target=\"_blank\" rel=\"noopener\">Best Pressure Reducing Valves of 2026<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"The Best Blow off Valves of 2022\" href=\"https:\/\/www.linquip.com\/blog\/best-blow-off-valves-of-2022\/\" target=\"_blank\" rel=\"noopener\">The Best Blow off Valves of 2026<\/a><\/span><\/span><\/strong><\/li>\n<li><strong><span style=\"text-decoration: underline;\"><span style=\"font-size: 10pt; font-family: verdana, geneva, sans-serif;\"><a title=\"The 10 Best Shower Valves (2022 Reviews)\" href=\"https:\/\/www.linquip.com\/blog\/the-10-best-shower-valves-of-2022\/\" target=\"_blank\" rel=\"noopener\">The 10 Best Shower Valves (2026 Reviews)<\/a><\/span><\/span><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>What are Coaxial Valves? Working Principles &amp; Types &#8211; Coaxial valves are meant to be entirely pressure balanced. The switching behavior is virtually unaffected by the pending medium pressure. Regardless of whether the valves are under vacuum, low pressure, or high pressure, the switching capacity stays constant and the valves switch safely. The pressure levels &#8230;<\/p>\n","protected":false},"author":12,"featured_media":16910,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[13],"tags":[333],"class_list":["post-16908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-valves","tag-industrial-guideline"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/16908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/comments?post=16908"}],"version-history":[{"count":9,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/16908\/revisions"}],"predecessor-version":[{"id":37821,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/16908\/revisions\/37821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/media\/16910"}],"wp:attachment":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/media?parent=16908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/categories?post=16908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/tags?post=16908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}