{"version":"1.0","provider_name":"Fabricante profissional de v\u00e1lvulas revestidas de fl\u00faor | YOUFUMI","provider_url":"https:\/\/www.china-yfm.com\/pt","author_name":"ROY XU","author_url":"https:\/\/www.china-yfm.com\/pt\/author\/roy\/","title":"Backflow Preventer vs. SS Check Valve: What's the Difference?","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yR3beJwEjb\"><a href=\"https:\/\/www.china-yfm.com\/pt\/blog\/backflow-preventer-vs-check-valve\/\">V\u00e1lvula antirrefluxo vs. v\u00e1lvula de reten\u00e7\u00e3o de a\u00e7o inoxid\u00e1vel: qual \u00e9 a diferen\u00e7a?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.china-yfm.com\/pt\/blog\/backflow-preventer-vs-check-valve\/embed\/#?secret=yR3beJwEjb\" width=\"600\" height=\"338\" title=\"\u201cDispositivo antirretorno vs. V\u00e1lvula de reten\u00e7\u00e3o em a\u00e7o inoxid\u00e1vel: qual a diferen\u00e7a?\u201d \u2014 Fabricante profissional de v\u00e1lvulas revestidas com fl\u00faor | YOUFUMI\" data-secret=\"yR3beJwEjb\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.china-yfm.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/www.china-yfm.com\/wp-content\/uploads\/2025\/03\/backflow-preventer.webp","thumbnail_width":824,"thumbnail_height":486,"description":"Understand the crucial differences between backflow preventers and SS check valves. While backflow preventers offer multiple layers of protection for potable water safety with required testing, check valves provide simpler, more economical reverse flow prevention for general applications. Learn which device best suits your specific plumbing needs based on safety requirements and local codes."}