1.0تولید، فروش و صادرات اتصالات جوشی و فولادی | اتصالات گازی، مانیسمان و API | ایران اتصالhttps://iranetesal.com/en/adminhttps://iranetesal.com/en/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="wsC3RHMFmu"><a href="https://iranetesal.com/en/flange-guide/">What Is a Flange? Types, Standards, Dimensions & Applications | Iran Etesal</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://iranetesal.com/en/flange-guide/embed/#?secret=wsC3RHMFmu" width="600" height="338" title="“What Is a Flange? Types, Standards, Dimensions & Applications | Iran Etesal” — تولید، فروش و صادرات اتصالات جوشی و فولادی | اتصالات گازی، مانیسمان و API | ایران اتصال" data-secret="wsC3RHMFmu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://iranetesal.com/wp-includes/js/wp-embed.min.js </script> https://iranetesal.com/wp-content/uploads/2026/08/ChatGPT-Image-Aug-17-2026-07_55_48-PM.webp15361024A pipe flange is a mechanical component used to create bolted, detachable connections in piping systems. This complete engineering guide covers flange types, ASME B16.5, AWWA C207, dimensions, pressure classes, ratings, materials, gaskets, bolting, selection, and procurement for oil, gas, petrochemical, and industrial applications.