<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>&#x39C;&#x397;&#x3A4;&#x3A3;&#x397;&#x3A3; &#x3A0;&#x39D;&#x395;&#x3A5;&#x39C;&#x391;&#x3A4;&#x399;&#x39A;&#x391; &#x3A3;&#x3A5;&#x3A3;&#x3A4;&#x397;&#x39C;&#x391;&#x3A4;&#x391;</provider_name><provider_url>https://mitsis.com.gr/en/</provider_url><author_name>mitsis</author_name><author_url>https://mitsis.com.gr/en/author/mitsis/</author_url><title>Air Compression Systems: What is an Air Valve?</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="LHwjaMaQCW"&gt;&lt;a href="https://mitsis.com.gr/en/what-is-an-air-valve/"&gt;Air Compression Systems: What is an Air Valve?&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://mitsis.com.gr/en/what-is-an-air-valve/embed/#?secret=LHwjaMaQCW" width="600" height="338" title="&#x201C;Air Compression Systems: What is an Air Valve?&#x201D; &#x2014; &#x39C;&#x397;&#x3A4;&#x3A3;&#x397;&#x3A3; &#x3A0;&#x39D;&#x395;&#x3A5;&#x39C;&#x391;&#x3A4;&#x399;&#x39A;&#x391; &#x3A3;&#x3A5;&#x3A3;&#x3A4;&#x397;&#x39C;&#x391;&#x3A4;&#x391;" data-secret="LHwjaMaQCW" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
/*! This file is auto-generated */
!function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l&lt;n.length;l++)n[l].style.display="none";for(l=0;l&lt;i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3&lt;(s=parseInt(t.value,10)))s=1e3;else if(~~s&lt;200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n&lt;i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document);
&lt;/script&gt;
</html><description>Learn what an air valve is, its types, and how it works. Discover the benefits, applications in water supply, industrial processes, and HVAC systems, and get maintenance tips. Understand how air valves enhance efficiency and protect equipment.</description></oembed>
