{"id":4097,"date":"2026-01-13T09:00:00","date_gmt":"2026-01-13T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4097"},"modified":"2026-02-06T03:44:35","modified_gmt":"2026-02-06T03:44:35","slug":"ppr-pipe-wall-thickness-sdr-vs-pn","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","title":{"rendered":"SDR va PN ni tushunish: Sanoat maqsadlarida foydalanish uchun to&#039;g&#039;ri PPR quvur devor qalinligini tanlash"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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\">Mundarija<\/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=\"Tarkibni almashtirish\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">O\u02bbchirish<\/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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Why_SDR_and_PN_Are_Not_Interchangeable\" >Nima uchun SDR va PN bir-birini almashtirib bo&#039;lmaydi<\/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.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Selecting_Based_on_Operating_Conditions\" >Ishlash shartlariga qarab tanlash<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Temperature_Derating\" >Haroratni pasaytirish<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Surge_Pressure_and_Water_Hammer\" >Kuchlanish bosimi va suv bolg&#039;asi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Chemical_and_Mechanical_Factors\" >Kimyoviy va mexanik omillar<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Common_Selection_Errors\" >Tanlovda keng tarqalgan xatolar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Mismatching_Components_Across_SDR_Classes\" >SDR sinflari bo&#039;yicha komponentlarning mos kelmasligi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Specifying_by_PN_Without_Checking_Temperature\" >Haroratni tekshirmasdan PN bo&#039;yicha belgilash<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Applying_Standard_Fusion_Parameters_to_Thick-Walled_Pipe\" >Qalin devorli quvurlarga standart termoyadroviy parametrlarni qo&#039;llash<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Ignoring_Thermal_Expansion_in_Hot_Systems\" >Issiq tizimlarda issiqlik kengayishini e&#039;tiborsiz qoldirish<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#DESOs_Manufacturing_Precision_and_Project_Experience\" >DESO ning ishlab chiqarish aniqligi va loyiha tajribasi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#What_This_Means_for_Specification\" >Bu spetsifikatsiya uchun nimani anglatadi<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">SDR devor qalinligini quvur diametriga nisbatan o&#039;lchaydi. PN sizga 20\u00b0C da bosim darajasini aytadi. Sanoat PPR tizimlari uchun to&#039;g&#039;ri sanitariya-tesisat devor qalinligini tanlash quvur xususiyatlarini suyuqlik harorati va to&#039;lqin bosimi kabi ish sharoitlariga moslashtirishga bog&#039;liq.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_SDR_and_PN_Are_Not_Interchangeable\"><\/span><strong>Nima uchun SDR va PN bir-birini almashtirib bo&#039;lmaydi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Muhandislar ko&#039;pincha SDR va PN ni bir xil narsa deb bilishadi. Lekin unday emas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SDR (Standart o&#039;lcham nisbati)<\/strong> geometriya. Bu tashqi diametrning devor qalinligiga nisbati (SDR = D\/s). Pastroq SDR soni quvur o&#039;lchamiga nisbatan devor qalinroq ekanligini anglatadi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PN (Bosim nominal)<\/strong> ma&#039;lum bir haroratdagi ishlash ko&#039;rsatkichidir. Bu quvurning 50 yillik xizmat muddati davomida 20\u00b0C da bardosh beradigan maksimal bosimni ko&#039;rsatadi. PN20 PPR quvuri faqat xona haroratida 20 barga mo&#039;ljallangan.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"304\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN.webp\" alt=\"\" class=\"wp-image-4099\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN.webp 532w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-500x286.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-300x171.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-131x75.webp 131w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-480x274.webp 480w\" sizes=\"auto, (max-width:767px) 480px, 532px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pastroq SDR qalinroq devorlar va yuqori bosim o&#039;tkazuvchanligini anglatadi. SDR 6 ga baholangan SDR quvuri SDR 11 ga baholangan quvurga qaraganda ko&#039;proq bosimga bardosh beradi. Ammo PN harorat bilan o&#039;zgaradi, SDR esa o&#039;zgarmas bo&#039;lib qoladi.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>SDR klassi<\/strong><\/td><td><strong>PN reytingi<\/strong><\/td><td><strong>Devor qalinligi<\/strong><\/td><td><strong>Asosiy sanoat maqsadlarida foydalanish<\/strong><\/td><\/tr><tr><td>SDR 11<\/td><td>PN10<\/td><td>Yupqa<\/td><td>Sovuq suv tashish, past bosimli drenaj<\/td><\/tr><tr><td>SDR 7.4<\/td><td>PN16<\/td><td>O&#039;rta<\/td><td>Siqilgan havo, o&#039;rtacha issiq suv<\/td><\/tr><tr><td>SDR 6<\/td><td>PN20<\/td><td>Qalin<\/td><td>Yuqori bosimli issiq suv, sanoat sovutish<\/td><\/tr><tr><td>SDR 5<\/td><td>PN25<\/td><td>Qo&#039;shimcha qalin<\/td><td>Kimyoviy ishlov berish, qozon ozuqalari<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-sizes-and-specifications-guide-for-buyer\/\" target=\"_blank\" rel=\"noreferrer noopener\">o&#039;lchamlari va texnik xususiyatlari bo&#039;yicha qo&#039;llanma<\/a> barcha SDR sinflari bo&#039;yicha PPR quvur o&#039;lchamlarini ro&#039;yxatlaydi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selecting_Based_on_Operating_Conditions\"><\/span><strong>Ishlash shartlariga qarab tanlash<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Katalog reytinglari 20\u00b0C va barqaror holatdagi oqimni nazarda tutadi. Sanoat tizimlari issiqroq ishlaydi va katalog xususiyatlarida hisobga olinmagan bosimning keskin ko&#039;tarilishini ko&#039;radi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature_Derating\"><\/span><strong>Haroratni pasaytirish<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-flow-rate-reduce-pressure-loss-in-buildings\/\" target=\"_blank\" rel=\"noreferrer noopener\">ppr quvur bosimi reytingi<\/a> Harorat ko&#039;tarilganda pasayadi. 20\u00b0C da 20 barga mo&#039;ljallangan PN20 quvuri 70\u00b0C da 10,8 bargacha tushadi. 80\u00b0C da u faqat 8 barga bardosh beradi.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Harorat<\/strong><\/td><td><strong>PN20 Haqiqiy sig&#039;imi<\/strong><\/td><td><strong>PN25 Haqiqiy sig&#039;imi<\/strong><\/td><\/tr><tr><td>20\u00b0C<\/td><td>20 bar<\/td><td>25 bar<\/td><\/tr><tr><td>60\u00b0C<\/td><td>12,5 bar<\/td><td>15,6 bar<\/td><\/tr><tr><td>70\u00b0C<\/td><td>10,8 bar<\/td><td>13,5 bar<\/td><\/tr><tr><td>80\u00b0C<\/td><td>8.0 bar<\/td><td>10.0 bar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Surge_Pressure_and_Water_Hammer\"><\/span><strong>Kuchlanish bosimi va suv bolg&#039;asi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sanoat nasoslari ishga tushirish va klapan yopilishi paytida gidravlik zarba hosil qiladi. 12 bar barqaror holatda ishlaydigan tizimda 18 barlik keskin o&#039;zgarishlar bo&#039;lishi mumkin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Suv bolg&#039;asiga moyil tizimlar uchun SDR ni tanlashda 50% xavfsizlik chegarasini qo&#039;shing. SDR 6 yoki SDR 5 ga ega yuqori bosimli plastik quvur yupqa devorlarni yorib yuboradigan vaqtinchalik tikanlarni yutadi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemical_and_Mechanical_Factors\"><\/span><strong>Kimyoviy va mexanik omillar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Agressiv kimyoviy moddalar vaqt o&#039;tishi bilan quvurning ichki yuzasini yomonlashtiradi. Qalinroq devorlar (pastroq SDR) kimyoviy transportda xizmat muddatini uzaytiradigan korroziyaga chidamlilikni ta&#039;minlaydi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vibratsiya va tashqi ta&#039;sir ham past SDRga yordam beradi. Qo&#039;shilgan qattiqlik ingichka quvurlarning yorilishi natijasida deformatsiyaning oldini oladi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/select-ppr-pipe-in-different-conditions\/\">ariza tanlash bo&#039;yicha qo&#039;llanma<\/a> harorat, bosim va suyuqlik turi PPR quvurining spetsifikatsiyasiga qanday ta&#039;sir qilishini yoritadi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Selection_Errors\"><\/span><strong>Tanlovda keng tarqalgan xatolar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mismatching_Components_Across_SDR_Classes\"><\/span><strong>SDR sinflari bo&#039;yicha komponentlarning mos kelmasligi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PN20 quvuriga PN10 armaturalarini o&#039;rnatish tiqilib qolishga olib keladi. Endi butun liniya PN10 uchun baholanadi, chunki eng zaif komponent chegarani belgilaydi. Fitinglar avval ishdan chiqadi, ko&#039;pincha normal ish bosimi ostida yorilib ketadi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Specifying_by_PN_Without_Checking_Temperature\"><\/span><strong>Haroratni tekshirmasdan PN bo&#039;yicha belgilash<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Agar ish bosimi 10 bardan past bo&#039;lsa, uzluksiz issiq suv ta&#039;minoti uchun SDR 11 (PN10) dan foydalanish yetarli ko&#039;rinadi. Ammo 70\u00b0C da o&#039;sha quvur atigi 5-6 bar bosimga bardosh beradi. Shundan so&#039;ng, muddatidan oldin yorilish paydo bo&#039;ladi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applying_Standard_Fusion_Parameters_to_Thick-Walled_Pipe\"><\/span><strong>Qalin devorli quvurlarga standart termoyadroviy parametrlarni qo&#039;llash<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Qalinroq devorlar eritish payvandlash paytida ko&#039;proq isitish vaqtini talab qiladi. SDR 6 yoki SDR 5 quvuriga SDR 11 vaqtini qo&#039;llaydigan mutaxassislar material hech qachon to&#039;liq erish chuqurligiga yetmagan &quot;sovuq payvandlash&quot;larni hosil qiladilar. Bu bo&#039;g&#039;inlar to&#039;liq ko&#039;rinadi, ammo bosim ostida oqmaydi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_Thermal_Expansion_in_Hot_Systems\"><\/span><strong>Issiq tizimlarda issiqlik kengayishini e&#039;tiborsiz qoldirish<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yupqa devorlar issiqlik ta&#039;sirida ko&#039;proq kengayadi. Issiq ilmoqlardagi standart PPR quvurlari xandaqlarga kirib boradi, bo&#039;g&#039;inlarga kuchlanish beradi va ulanish nuqtalarida yoriqlar hosil qiladi. <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-fiber-composite-pipe-gf-ppr-hot-water-choice\/\" target=\"_blank\" rel=\"noreferrer noopener\">Elyaf bilan mustahkamlangan<\/a> SDR 7.4 kengayishni 70% ga kamaytiradi va pozitsiyani saqlab qoladi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DESOs_Manufacturing_Precision_and_Project_Experience\"><\/span><strong>DESO ning ishlab chiqarish aniqligi va loyiha tajribasi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO yigirma yil davomida kimyoviy zavodlar, HVAC tarmoqlari, sanoat sovutish tsikllari va yuqori bosimli qozonxonalar uchun PPR tizimlarini yetkazib berdi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pastki qatlamli ishlab chiqarish devor qalinligi bir xil quvur ichida o&#039;zgarib turadigan &quot;ingichka dog&#039;lar&quot;ni yaratadi. Bu yupqa dog&#039;lar avval ishdan chiqadi, chunki devor eng yupqa qismida nominal bosimga bardosh bera olmaydi. DESO ning Borealis RA130E bokira qatronidan foydalangan holda avtomatlashtirilgan ekstruziyasi devor qalinligini har bir metr bo&#039;ylab ISO 15874 toleranslari darajasida ushlab turadi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SDR 11 dan SDR 5 gacha bo&#039;lgan to&#039;liq SDR diapazoni bitta manbadan izchil ravishda yetkazib beriladi <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/manufacturer\/buyers-guide-to-high-quality-ppr-pipe-material\/\" target=\"_blank\" rel=\"noreferrer noopener\">ppr quvur materiali<\/a> xususiyatlar ketma-ket ketma-ket. DESO muhandislik guruhi loyiha spetsifikatsiyalarini ko&#039;rib chiqadi va ish harorati, bosimi va suyuqlik turiga qarab SDR sinfini tavsiya qiladi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_This_Means_for_Specification\"><\/span><strong>Bu spetsifikatsiya uchun nimani anglatadi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SDR - bu geometriya. PN - 20\u00b0C da bosim sig&#039;imi. Harorat ikkalasini ham pasaytiradi. Sanoat PPR quvurlarini tanlash uchun SDR sinfini ish harorati, kutilgan ko&#039;tarilishlar va kimyoviy ta&#039;sirga moslang. Tizimdagi eng zaif komponent unga ulangan barcha narsalar uchun bosim darajasini cheklaydi.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.desopipe.com\/uz\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Bepul taklif oling<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>SDR measures wall thickness relative to pipe diameter. PN tells you the pressure rating at 20\u00b0C. Choosing the right plumbing wall thickness for industrial PPR systems<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-4097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-pipe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" \/>\n<meta property=\"og:locale\" content=\"uz_UZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group\" \/>\n<meta property=\"og:description\" content=\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" \/>\n<meta property=\"og:site_name\" content=\"World-Class PPR Piping System Manufacturer | DESO Group\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-13T09:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-06T03:44:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"902\" \/>\n\t<meta property=\"og:image:height\" content=\"601\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"deshouadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"deshouadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 daqiqa\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\"},\"author\":{\"name\":\"deshouadmin\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\"},\"headline\":\"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use\",\"datePublished\":\"2026-01-13T09:00:00+00:00\",\"dateModified\":\"2026-02-06T03:44:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\"},\"wordCount\":752,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"articleSection\":[\"PPR Pipe\"],\"inLanguage\":\"uz-UZ\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\",\"name\":\"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"datePublished\":\"2026-01-13T09:00:00+00:00\",\"dateModified\":\"2026-02-06T03:44:35+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\"},\"description\":\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#breadcrumb\"},\"inLanguage\":\"uz-UZ\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"uz-UZ\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"contentUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"width\":902,\"height\":601,\"caption\":\"Understanding SDR vs. PN\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.desopipe.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#website\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/\",\"name\":\"PPR Pipe Manufacturer And PPR Pipe Fittings Manufacturer | DESO\",\"description\":\"PPR Pipe Manufacturer And PPR Pipe Fittings Manufacturer | DESO\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.desopipe.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"uz-UZ\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\",\"name\":\"deshouadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"uz-UZ\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"caption\":\"deshouadmin\"},\"sameAs\":[\"http:\\\/\\\/desopipe.com\"],\"url\":\"https:\\\/\\\/www.desopipe.com\\\/uz\\\/author\\\/deshouadmin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PPR quvuri: To&#039;g&#039;ri devor qalinligini tanlash (SDR va PN) | DESO guruhi","description":"PPR quvurlari uchun SDR va PN reytinglari o&#039;rtasidagi farqni bilib oling. Keng tarqalgan tanlov xatolaridan qoching va devor qalinligini sanoat sharoitlariga moslashtiring.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","og_locale":"uz_UZ","og_type":"article","og_title":"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group","og_description":"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.","og_url":"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","og_site_name":"World-Class PPR Piping System Manufacturer | DESO Group","article_published_time":"2026-01-13T09:00:00+00:00","article_modified_time":"2026-02-06T03:44:35+00:00","og_image":[{"width":902,"height":601,"url":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","type":"image\/webp"}],"author":"deshouadmin","twitter_card":"summary_large_image","twitter_misc":{"Written by":"deshouadmin","Est. reading time":"5 daqiqa"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#article","isPartOf":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/"},"author":{"name":"deshouadmin","@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1"},"headline":"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use","datePublished":"2026-01-13T09:00:00+00:00","dateModified":"2026-02-06T03:44:35+00:00","mainEntityOfPage":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/"},"wordCount":752,"commentCount":0,"image":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage"},"thumbnailUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","articleSection":["PPR Pipe"],"inLanguage":"uz-UZ","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","url":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","name":"PPR quvuri: To&#039;g&#039;ri devor qalinligini tanlash (SDR va PN) | DESO guruhi","isPartOf":{"@id":"https:\/\/www.desopipe.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage"},"image":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage"},"thumbnailUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","datePublished":"2026-01-13T09:00:00+00:00","dateModified":"2026-02-06T03:44:35+00:00","author":{"@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1"},"description":"PPR quvurlari uchun SDR va PN reytinglari o&#039;rtasidagi farqni bilib oling. Keng tarqalgan tanlov xatolaridan qoching va devor qalinligini sanoat sharoitlariga moslashtiring.","breadcrumb":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#breadcrumb"},"inLanguage":"uz-UZ","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/"]}]},{"@type":"ImageObject","inLanguage":"uz-UZ","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage","url":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","contentUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","width":902,"height":601,"caption":"Understanding SDR vs. PN"},{"@type":"BreadcrumbList","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.desopipe.com\/"},{"@type":"ListItem","position":2,"name":"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use"}]},{"@type":"WebSite","@id":"https:\/\/www.desopipe.com\/#website","url":"https:\/\/www.desopipe.com\/","name":"PPR quvurlari ishlab chiqaruvchisi va PPR quvur qismlarini ishlab chiqaruvchisi | DESO","description":"PPR quvurlari ishlab chiqaruvchisi va PPR quvur qismlarini ishlab chiqaruvchisi | DESO","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.desopipe.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"uz-UZ"},{"@type":"Person","@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1","name":"deshouadmin","image":{"@type":"ImageObject","inLanguage":"uz-UZ","@id":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","caption":"deshouadmin"},"sameAs":["http:\/\/desopipe.com"],"url":"https:\/\/www.desopipe.com\/uz\/author\/deshouadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/posts\/4097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/comments?post=4097"}],"version-history":[{"count":1,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/posts\/4097\/revisions"}],"predecessor-version":[{"id":4101,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/posts\/4097\/revisions\/4101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/media\/4100"}],"wp:attachment":[{"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/media?parent=4097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/categories?post=4097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.desopipe.com\/uz\/wp-json\/wp\/v2\/tags?post=4097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}