{"id":4086,"date":"2026-01-09T09:00:00","date_gmt":"2026-01-09T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4086"},"modified":"2026-02-06T03:44:14","modified_gmt":"2026-02-06T03:44:14","slug":"ppr-pipe-pressure-testing-standards-guide","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/","title":{"rendered":"Yirik tijorat loyihalari uchun PPR quvurlari bosimini sinovdan o&#039;tkazish protokollari"},"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-pressure-testing-standards-guide\/#Pre-Test_Preparation\" >Sinovdan oldingi tayyorgarlik<\/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-pressure-testing-standards-guide\/#The_Multi-Step_Testing_Protocol\" >Ko&#039;p bosqichli sinov protokoli<\/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-pressure-testing-standards-guide\/#Step_1_Preliminary_Pressure_Check_30_minutes\" >1-bosqich: Dastlabki bosimni tekshirish (30 daqiqa)<\/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-pressure-testing-standards-guide\/#Step_2_Leak_Test_30_minutes\" >2-bosqich: Oqish sinovi (30 daqiqa)<\/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-pressure-testing-standards-guide\/#Step_3_Long-Term_Compliance_Test_120_minutes\" >3-bosqich: Uzoq muddatli muvofiqlik testi (120 daqiqa)<\/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-pressure-testing-standards-guide\/#Temperature_Correction_for_Accurate_Readings\" >Aniq o&#039;qishlar uchun haroratni to&#039;g&#039;rilash<\/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.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#Common_Mistakes\" >Keng tarqalgan xatolar<\/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.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#Acceptance_Criteria_and_Documentation\" >Qabul qilish mezonlari va hujjatlari<\/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.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#Testing_on_Commercial_Sites\" >Tijorat saytlarida sinovdan o&#039;tkazish<\/a><ul class='ez-toc-list-level-3' ><li class='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-pressure-testing-standards-guide\/#Testing_before_concealment\" >Yashirishdan oldin sinov<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#Backfill_testing_for_buried_pipes\" >Ko&#039;milgan quvurlar uchun orqa to&#039;ldirish sinovi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#Transition_fittings\" >O&#039;tish moslamalari<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#Factory_Testing_and_Material_Traceability\" >Zavod sinovlari va materiallarni kuzatish<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-pressure-testing-standards-guide\/#The_Bottom_Line\" >Xulosa<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Yirik tijorat loyihalari uchun PPR quvurlari bosimini sinovdan o&#039;tkazish standartlari maksimal ish bosimining 1,5 baravar yuqori bo&#039;lishi, bir nechta fazalarda kamida 2,5 soat davomida sinovdan o&#039;tkazilishini talab qiladi. Sinov faqat toza suvdan foydalanadi, hech qachon havo yoki gaz ishlatilmaydi va quvurlar devorlar, pollar yoki izolyatsiyaga yashirinib qolmasdan oldin amalga oshirilishi kerak.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pre-Test_Preparation\"><\/span><strong>Sinovdan oldingi tayyorgarlik<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bosim qo&#039;llanilishidan oldin, tizim ko&#039;pgina nosozliklar o&#039;tkazib yuborilganda yuzaga keladigan tayyorgarlikni talab qiladi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Har bir bo&#039;g&#039;inni vizual tekshirishdan boshlang, to&#039;g&#039;ri birlashtiruvchi boncuklar va 100% ni tasdiqlang.<a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/ppr-pipe-welding-hot-fusion-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\"> termoyadroviy yaxlitlik<\/a>. To&#039;liq bo&#039;lmagan ko&#039;rinadigan bo&#039;g&#039;im bosim ostida ishdan chiqadi va uni hozir topish sinov o&#039;rtasida topishga qaraganda vaqt va pulni tejaydi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Katta tarmoqlarni sinovdan o&#039;tkaziladigan qismlarga, odatda maksimal 50-100 metrga ajratish kerak. Bir vaqtning o&#039;zida butun binoni sinovdan o&#039;tkazish, agar biror narsa ishlamay qolsa, oqish aniqlanishini deyarli imkonsiz qiladi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uskunalar tomonida:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kalibrlangan o&#039;lchagichli gidravlik nasos, minimal aniqlik 0,1 bar<\/li>\n\n\n\n<li>Havo bo&#039;shliqlarining oldini olish uchun barcha yuqori nuqtali havo shamollatish klapanlari to&#039;ldirish paytida ochiladi<\/li>\n\n\n\n<li>Sinov vositasi sifatida faqat toza suv<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Harorat barqarorligi hamma narsada muhim ahamiyatga ega. PPR issiqlik bilan kengayadi va sinov paytida harorat o&#039;zgarishi oqish kabi ko&#039;rinadigan noto&#039;g&#039;ri bosim pasayishiga olib keladi. Tizimni doimiy haroratda ushlab turish noto&#039;g&#039;ri o&#039;qishlarning oldini oladi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Multi-Step_Testing_Protocol\"><\/span><strong>Ko&#039;p bosqichli sinov protokoli<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"903\" height=\"489\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1.webp\" alt=\"\" class=\"wp-image-4088\" style=\"width:500px\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1.webp 903w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-500x271.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-300x162.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-768x416.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-138x75.webp 138w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-480x260.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Hydrostatic-testing-for-PPR-step1-800x433.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:903px) 100vw, 903px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">PPR uchun gidrostatik sinov har bir bosqichda o&#039;ziga xos o&#039;tish\/muvaffaqiyatsiz mezonlarga ega bo&#039;lgan tuzilgan ketma-ketlikka amal qiladi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Preliminary_Pressure_Check_30_minutes\"><\/span>1-bosqich: Dastlabki bosimni tekshirish (30 daqiqa)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tizimni to&#039;ldiring va bosimni asta-sekin maksimal ish bosimining 1,5 barigacha oshiring. PN20 quvurlari uchun bu 30 bar degani. PN10 uchun bu 15 bar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bosim pasayganda uni tiklash uchun nasosdan foydalanib, 30 daqiqa ushlab turing. Bu dastlabki bosqich quvur materialining kengayishi va barqarorlashishiga imkon beradi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Leak_Test_30_minutes\"><\/span>2-bosqich: Oqish sinovi (30 daqiqa)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dastlabki bosqichdan so&#039;ng, suv qo&#039;shishni to&#039;xtating. Bosimni 30 daqiqa davomida aralashmasdan kuzatib boring.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O&#039;tish mezonlari: bosim 0,6 bardan oshmasligi kerak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Agar pasayish 0,6 bardan oshsa, oqishlarni aniqlang, ularni ta&#039;mirlang va butun sinovni 1-bosqichdan boshlab qayta boshlang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Long-Term_Compliance_Test_120_minutes\"><\/span>3-bosqich: Uzoq muddatli muvofiqlik testi (120 daqiqa)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Agar 2-bosqich o&#039;tib ketsa, qayta bosim o&#039;tkazmasdan yana 2 soat davomida bosimni ushlab turing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O&#039;tish mezonlari: bosim ushbu 120 daqiqalik oynada 0,2 bardan oshmasligi kerak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Birinchi soatda saqlanib qolgan sekin oqib o&#039;tish va erish nuqsonlari ko&#039;pincha ikkinchi soatda namoyon bo&#039;ladi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature_Correction_for_Accurate_Readings\"><\/span><strong>Aniq o&#039;qishlar uchun haroratni to&#039;g&#039;rilash<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR quvurining maksimal bosim ko&#039;rsatkichi harorat bilan o&#039;zgaradi va sinov ko&#039;rsatkichlari ham shunday bo&#039;ladi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quvur haroratining 10\u00b0C ga o&#039;zgarishi taxminan 0,5-1,0 bar bosim o&#039;zgarishiga to&#039;g&#039;ri keladi. Agar 2,5 soatlik sinov davomida atrof-muhit harorati ko&#039;tarilsa, bosim ko&#039;rsatkichlari hatto mukammal yopiq tizimda ham o&#039;zgaradi.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>PN reytingi<\/strong><\/td><td><strong>20\u00b0C da sinov bosimi<\/strong><\/td><td><strong>Har 10\u00b0C uchun haroratni to&#039;g&#039;rilash<\/strong><\/td><\/tr><tr><td>PN10<\/td><td>15 bar<\/td><td>0,5-1,0 bar<\/td><\/tr><tr><td>PN20<\/td><td>30 bar<\/td><td>0,5-1,0 bar<\/td><\/tr><tr><td>PN25<\/td><td>37,5 bar<\/td><td>0,5-1,0 bar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Haroratning bosim o&#039;tkazuvchanligiga qanday ta&#039;sir qilishi haqida batafsil ma&#039;lumot olish uchun ushbu qo&#039;llanmani ko&#039;ring. <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/understanding-ppr-pipe-pressure-ratings\/\" target=\"_blank\" rel=\"noreferrer noopener\">PPR quvur bosimi ko&#039;rsatkichlarini tushunish<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atrof-muhit haroratini boshida va oxirida hujjatlashtiring. Agar o&#039;qishlar o&#039;tish mezonlaridan tashqariga chiqsa, lekin harorat sezilarli darajada o&#039;zgargan bo&#039;lsa, muvaffaqiyatsiz deb belgilash o&#039;rniga barqaror sharoitlarda takrorlang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mistakes\"><\/span><strong>Keng tarqalgan xatolar<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tavsiya etilgan bosimdan oshib ketish: <\/strong>Quvurlardagi yuqori bosim tizimning mustahkamligini isbotlamaydi. Bu kristall strukturasida bir necha oy yoki yillar o&#039;tgach nosozliklar sifatida namoyon bo&#039;ladigan mikro yoriqlarni keltirib chiqaradi. Sinov bosimi maksimal quvvatni emas, balki yetarlilikni tasdiqlaydi.<\/li>\n\n\n\n<li><strong>Kengayishni oqish bilan adashtirish: <\/strong>PPR yuk ostida kengaygan sari bosimning dastlabki pasayishi kuzatiladi. Tajribasiz mutaxassislar mavjud bo&#039;lmagan oqishlarni qidirishni boshlaydilar. Nasosni tiklash bilan dastlabki 30 daqiqalik bosqich, ayniqsa, barqarorlashtirish uchun mavjud.<\/li>\n\n\n\n<li><strong>Vaqt jadvalini tezlashtirish: <\/strong>PPR quvurlari uchun bosim sinovi vaqt talab etadi. To&#039;liq protokol 2,5 soat davom etishining bejiz emas. O&#039;n besh daqiqalik tezkor sinovlar faqat uzoq muddatli yuk ostida ko&#039;rinadigan sekin oqish va erish kamchiliklarini aniqlay olmaydi.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Acceptance_Criteria_and_Documentation\"><\/span><strong>Qabul qilish mezonlari va hujjatlari<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quvurlarni bosim ostida sinovdan o&#039;tkazish aniq o&#039;tish\/nosozlikni aniqlash va tegishli yozuvlar bilan yakunlanadi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nolga teng bardoshlik qo&#039;llaniladi: o&#039;lchagich nimani ko&#039;rsatmasin, ulanish joyidagi har qanday ko&#039;rinadigan suv bo&#039;lagi tizimni ishdan chiqaradi. Sinov paytida va undan keyin vizual tekshirish bosim ko&#039;rsatkichlarida ko&#039;rsatilmagan muammolarni aniqlaydi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hujjat talablari:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sinov sanasi va joyi<\/li>\n\n\n\n<li>Quvur PN reytingi va diametri<\/li>\n\n\n\n<li>Maksimal sinov bosimi qo&#039;llanildi<\/li>\n\n\n\n<li>Har bir sinov bosqichining davomiyligi<\/li>\n\n\n\n<li>Boshida va oxirida atrof-muhit harorati<\/li>\n\n\n\n<li>O&#039;tish\/o&#039;tmaslikni aniqlash<\/li>\n\n\n\n<li>Nazoratchi muhandis imzosi<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ushbu hujjatlar loyiha bilan birga topshirish jarayonida ham davom etadi. Hujjatlardagi bo&#039;shliqlar kafolat da&#039;volari yoki nosozliklarni tekshirish paytida javobgarlik muammolarini keltirib chiqaradi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Testing_on_Commercial_Sites\"><\/span><strong>Tijorat saytlarida sinovdan o&#039;tkazish<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Ko&#039;p hollarda bu qanday amalga oshiriladi:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Testing_before_concealment\"><\/span>Yashirishdan oldin sinov<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quvurlar devorlarga, pollarga, shiftlarga yoki izolyatsiyaga tushib ketishidan oldin bosim sinovlari o&#039;tkazilishi kerak. Oqishlar yashiringanidan so&#039;ng, ularni topish va tuzatish tugallangan ishni katta xarajatlar evaziga buzib tashlashni anglatadi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Backfill_testing_for_buried_pipes\"><\/span>Ko&#039;milgan quvurlar uchun orqa to&#039;ldirish sinovi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yer osti quvurlari ikki marta sinovdan o&#039;tkazilishi kerak: bir marta to&#039;ldirishdan oldin va bir marta keyin. Ikkinchi sinov tuproqni siqish, uskunalar harakati yoki ko&#039;mish paytida siljish natijasida o&#039;rnatishdagi shikastlanishlarni aniqlaydi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Transition_fittings\"><\/span>O&#039;tish moslamalari<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Metalldan plastmassaga tishli ulanishlar PTFE lentasini va ehtiyotkorlik bilan momentni boshqarishni talab qiladi. Haddan tashqari qattiqlashtirilgan yoriqlar <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/\" target=\"_blank\" rel=\"noreferrer noopener\">PPR moslamasi<\/a>. Oqishlar yetarlicha qattiqlashmayapti. Vizual tekshirish paytida bu bo&#039;g&#039;inlarga qo&#039;shimcha e&#039;tibor berish kerak.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Factory_Testing_and_Material_Traceability\"><\/span><strong>Zavod sinovlari va materiallarni kuzatish<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dala sinovlari o&#039;rnatish sifatini tasdiqlaydi. Zavod sinovlari tasdiqlaydi <a href=\"https:\/\/www.desopipe.com\/uz\/quality-inspection\/\" target=\"_blank\" rel=\"noreferrer noopener\">material sifati<\/a>. Yirik tijorat loyihalari ikkalasiga ham muhtoj.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO laboratoriyasi dala guruhlari takrorlay olmaydigan sinovlarni o&#039;tkazadi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>95\u00b0C da 1000+ soat davomida gidrostatik mustahkamlik sinovlari o&#039;tkazildi<\/li>\n\n\n\n<li>Portlash bosimini tekshirish<\/li>\n\n\n\n<li>Ta&#039;sirga chidamlilikni baholash<\/li>\n\n\n\n<li>Materiallarning mustahkamligini tasdiqlovchi eritma oqimi tezligini tahlil qilish<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Har bir ishlab chiqarish partiyasi Borealis va Hyosungdan olingan toza xom ashyolarga to&#039;liq kuzatuv imkoniyati bilan qayd etiladi. B2B mijozlari loyihaga muvofiqlik fayllari uchun portlash bosimi natijalari, ta&#039;sir qiymatlari va eritish oqim tezligini ko&#039;rsatuvchi hujjatlarni oladilar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sertifikatlash tafsilotlari uchun bizning umumiy ko&#039;rinishimizga qarang <a href=\"https:\/\/www.desopipe.com\/uz\/blog\/ppr-pipe\/standards-and-certifications-in-ppr-pipe-industry\/\" target=\"_blank\" rel=\"noreferrer noopener\">PPR quvur sanoatida standartlar va sertifikatlar<\/a>.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>Qahramon mahsuloti<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.desopipe.com\/uz\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/02\/%E7%94%BB%E6%9D%BF-%E2%80%93-137-768x637.jpg\" alt=\"deso zavodi\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Tavsiya etilgan PPR quvurlari va armatura ishlab chiqaruvchisi\u2014\u2014DESO guruhi<\/div>\n    <div class=\"hero-description\">\n10 ta eng yaxshi PPR quvur brendlarining ishonchli hamkori. Idoralar, AENOR, DVGW va WRAS kabi sertifikatlarga ega bo&#039;lish hamda DIN va ISO standartlariga rioya qilish.<\/div>\n    <span class=\"hero-link\">Nima uchun DESO<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Bottom_Line\"><\/span><strong>Xulosa<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PPR quvurlari uchun bosim sinovi qog&#039;ozbozlik emas. Bu 50 yil xizmat qiladigan tizim bilan topshirilgandan keyin ishdan chiqadigan tizim o&#039;rtasidagi eshikdir. Uch bosqichda 1,5x ish bosimida sinov o&#039;tkazing: 30 daqiqa dastlabki, 30 daqiqa oqish sinovi, 120 daqiqa uzoq muddatli ushlab turish.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bog&#039;lanish joyidagi har qanday suv bo&#039;lagi tizimni ishdan chiqaradi. Yashirishdan oldin sinovdan o&#039;tkazing, ko&#039;milgan quvurlarni ikki marta sinovdan o&#039;tkazing va portlash bosimi va materialning izlanishini ko&#039;rsatuvchi zavod hujjatlarini talab qiling. PPR quvurlari bosimini sinovdan o&#039;tkazish standartlari loyihalarni oldini olishdan ko&#039;ra tuzatish qimmatroq bo&#039;lgan nosozliklardan shunday himoya qiladi.<\/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>PPR pipe pressure testing standards for large commercial projects require testing at 1.5x maximum working pressure, held across multiple phases totaling at least 2.5 hours. The<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4089,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-4086","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 Pressure Testing Standards for Projects | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn PPR pipe pressure testing protocols for large projects. Covers hydrostatic testing, PN ratings, field vs factory testing, and common mistakes.\" \/>\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-pressure-testing-standards-guide\/\" \/>\n<meta property=\"og:locale\" content=\"uz_UZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Pipe Pressure Testing Standards for Projects | DESO Group\" \/>\n<meta property=\"og:description\" content=\"Learn PPR pipe pressure testing protocols for large projects. 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