{"id":4068,"date":"2026-01-03T09:00:00","date_gmt":"2026-01-03T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4068"},"modified":"2026-02-06T03:43:49","modified_gmt":"2026-02-06T03:43:49","slug":"ppr-pipe-for-compressed-air-systems","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/","title":{"rendered":"\u1ed0ng d\u1eabn kh\u00ed n\u00e9n: \u1ed0ng PPR c\u00f3 ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n thay th\u1ebf cho \u1ed1ng nh\u00f4m ho\u1eb7c th\u00e9p?"},"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\">M\u1ee5c l\u1ee5c<\/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=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Why_Compressed_Air_Behaves_Differently_Than_Water\" >V\u00ec sao kh\u00ed n\u00e9n l\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c v\u1edbi n\u01b0\u1edbc?<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Pressure_Ratings_and_How_Temperature_Changes_Everything\" >X\u1ebfp h\u1ea1ng \u00e1p su\u1ea5t v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a nhi\u1ec7t \u0111\u1ed9<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Derating_at_Higher_Temperatures\" >\u0110\u00e1nh gi\u00e1 \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Why_PP-RCT_Handles_Heat_Better\" >V\u00ec sao PP-RCT ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Support_Spacing_and_Thermal_Expansion\" >Kho\u1ea3ng c\u00e1ch \u0111\u1ee1 v\u00e0 s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Oil_Compatibility_and_Long-Term_Degradation\" >Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi d\u1ea7u v\u00e0 s\u1ef1 suy gi\u1ea3m l\u00e2u d\u00e0i<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#When_PPR_Works_and_When_It_Doesnt\" >Khi n\u00e0o ph\u01b0\u01a1ng ph\u00e1p PPR hi\u1ec7u qu\u1ea3 v\u00e0 khi n\u00e0o th\u00ec kh\u00f4ng.<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#What_DESO_Recommends\" >Nh\u1eefng g\u00ec DESO khuy\u1ebfn ngh\u1ecb<\/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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/#Making_the_Right_Choice\" >\u0110\u01b0a ra l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u1ed0ng PPR d\u00f9ng cho kh\u00ed n\u00e9n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng an to\u00e0n trong c\u00e1c h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t th\u1ea5p \u0111\u1ebfn trung b\u00ecnh n\u1ebfu s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n cho \u1ed1ng kim lo\u1ea1i. N\u1ebfu ch\u1ecdn sai \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t ho\u1eb7c m\u1ee9c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9, \u1ed1ng c\u00f3 th\u1ec3 b\u1ecb v\u1ee1 d\u01b0\u1edbi \u00e1p l\u1ef1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Compressed_Air_Behaves_Differently_Than_Water\"><\/span><strong>V\u00ec sao kh\u00ed n\u00e9n l\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c v\u1edbi n\u01b0\u1edbc?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00ed n\u00e9n v\u00e0 n\u01b0\u1edbc kh\u00f4ng b\u1ecb h\u1ecfng theo c\u00f9ng m\u1ed9t c\u00e1ch. N\u01b0\u1edbc kh\u00f4ng th\u1ec3 n\u00e9n \u0111\u01b0\u1ee3c, v\u00ec v\u1eady s\u1ef1 c\u1ed1 v\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c r\u00f2 r\u1ec9. Kh\u00f4ng kh\u00ed t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng ti\u1ec1m n\u0103ng s\u1ebd gi\u1ea3i ph\u00f3ng m\u1ea1nh m\u1ebd khi b\u1ecb v\u1ee1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ed0ng PPR ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 b\u1ecb hi\u1ec7n t\u01b0\u1ee3ng lan truy\u1ec1n v\u1ebft n\u1ee9t nhanh, trong \u0111\u00f3 v\u1ebft n\u1ee9t lan truy\u1ec1n v\u1edbi t\u1ed1c \u0111\u1ed9 h\u00e0ng tr\u0103m m\u00e9t m\u1ed7i gi\u00e2y v\u00e0 \u1ed1ng v\u1ee1 th\u00e0nh nhi\u1ec1u m\u1ea3nh. Th\u00e9p v\u00e0 nh\u00f4m b\u1ecb h\u1ecfng theo c\u00e1ch kh\u00e1c. Ch\u00fang th\u01b0\u1eddng b\u1ecb r\u00e1ch ho\u1eb7c &quot;t\u1ea1o mi\u1ec7ng c\u00e1&quot; t\u1ea1i \u0111i\u1ec3m h\u1ecfng, gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1 th\u00e0nh nhi\u1ec1u m\u1ea3nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OSHA th\u01b0\u1eddng c\u1ea5m s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i nh\u1ef1a gi\u00f2n nh\u01b0 PVC cho h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n tr\u00ean m\u1eb7t \u0111\u1ea5t. \u0110\u1ed1i v\u1edbi PPR, h\u1ecd th\u01b0\u1eddng y\u00eau c\u1ea7u v\u1eadt li\u1ec7u ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng v\u1ee1 ho\u1eb7c \u0111\u01b0\u1ee3c b\u1ecdc trong \u1ed1ng b\u1ea3o v\u1ec7.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Nh\u00e2n t\u1ed1<\/strong><\/td><td><strong>PPR<\/strong><\/td><td><strong>Nh\u00f4m<\/strong><\/td><td><strong>Th\u00e9p<\/strong><\/td><\/tr><tr><td>Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c<\/td><td>Nguy c\u01a1 v\u1ee1 v\u1ee5n (RCP)<\/td><td>R\u00e1ch c\u1ee5c b\u1ed9<\/td><td>R\u00e1ch c\u1ee5c b\u1ed9<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><td>Mi\u1ec5n d\u1ecbch<\/td><td>Mi\u1ec5n d\u1ecbch<\/td><td>R\u1ec9 s\u00e9t b\u00ean trong<\/td><\/tr><tr><td>C\u00e2n n\u1eb7ng<\/td><td>\u00c1nh s\u00e1ng<\/td><td>\u00c1nh s\u00e1ng<\/td><td>N\u1eb7ng<\/td><\/tr><tr><td>\u00c1p su\u1ea5t t\u1ed1i \u0111a<\/td><td>~25 bar<\/td><td>Cao (ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p)<\/td><td>R\u1ea5t cao<\/td><\/tr><tr><td>Lo\u1ea1i kh\u1edbp<\/td><td>Ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p nhi\u1ec7t<\/td><td>kh\u1edbp n\u1ed1i n\u00e9n<\/td><td>Ren ho\u1eb7c h\u00e0n<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 c\u00e0i \u0111\u1eb7t<\/td><td>Nhanh, kh\u00f4ng b\u1ed1c ch\u00e1y<\/td><td>M\u00f4-\u0111un, nhanh<\/td><td>C\u1ea7n nhi\u1ec1u lao \u0111\u1ed9ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure_Ratings_and_How_Temperature_Changes_Everything\"><\/span><strong>X\u1ebfp h\u1ea1ng \u00e1p su\u1ea5t v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a nhi\u1ec7t \u0111\u1ed9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 s\u1ed1 PN x\u00e1c \u0111\u1ecbnh \u00e1p su\u1ea5t m\u00e0 \u1ed1ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1edf 20\u00b0C. DESO \u0111\u00e1nh gi\u00e1 \u1ed1ng PN20 \u1edf m\u1ee9c 2,0 MPa (290 PSI) \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng tr\u00ean 20 bar, s\u1eed d\u1ee5ng PN25. <a href=\"https:\/\/www.desopipe.com\/vi\/product-category\/pp-rct-pipe-fittings\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u1eadt li\u1ec7u PP-RCT<\/a> Ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t 2,5 MPa (362 PSI) trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0ng kh\u00f4ng kh\u00ed n\u00e9n s\u1ebd n\u00f3ng l\u00ean g\u1ea7n m\u00e1y n\u00e9n. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t s\u1ebd gi\u1ea3m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Derating_at_Higher_Temperatures\"><\/span><strong>\u0110\u00e1nh gi\u00e1 \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede 60\u00b0C, h\u1ea7u h\u1ebft c\u00e1c \u1ed1ng PPR gi\u1ea3m c\u00f4ng su\u1ea5t xu\u1ed1ng c\u00f2n kho\u1ea3ng 50% so v\u1edbi c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c. \u1ede 80\u00b0C, \u1ed1ng PN20 c\u00f3 th\u1ec3 ch\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c 0,8 MPa. N\u1ebfu kh\u00f4ng kh\u00ed tho\u00e1t ra kh\u1ecfi b\u1ed9 l\u00e0m m\u00e1t sau \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 40\u00b0C, h\u00e3y gi\u1ea3m c\u00f4ng su\u1ea5t ch\u1ecbu \u00e1p su\u1ea5t xu\u1ed1ng \u00edt nh\u1ea5t 20%.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"400\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1.webp\" alt=\"\" class=\"wp-image-4070\" style=\"width:400px\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1.webp 525w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1-500x381.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1-300x229.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1-16x12.webp 16w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1-98x75.webp 98w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Pressure-temperature-rating-graph-1-480x366.webp 480w\" sizes=\"auto, (max-width:767px) 480px, 525px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_PP-RCT_Handles_Heat_Better\"><\/span><strong>V\u00ec sao PP-RCT ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PP-RCT l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Polypropylene Random Crystallinity Temperature (Nhi\u1ec7t \u0111\u1ed9 k\u1ebft tinh ng\u1eabu nhi\u00ean c\u1ee7a Polypropylene). C\u1ea5u tr\u00fac ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn c\u1ee7a n\u00f3 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00e0 PPR ti\u00eau chu\u1ea9n kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c. DESO khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng PP-RCT khi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u01b0\u1ee3t qu\u00e1 40\u00b0C d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Support_Spacing_and_Thermal_Expansion\"><\/span><strong>Kho\u1ea3ng c\u00e1ch \u0111\u1ee1 v\u00e0 s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ed0ng PPR gi\u00e3n n\u1edf nhi\u1ec1u h\u01a1n kim lo\u1ea1i khi b\u1ecb nung n\u00f3ng. M\u1ed9t \u0111o\u1ea1n \u1ed1ng d\u00e0i 30 m\u00e9t c\u00f3 th\u1ec3 gi\u00e3n n\u1edf th\u00eam v\u00e0i inch khi m\u00e1y n\u00e9n ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao, v\u00e0 s\u1ef1 gi\u00e3n n\u1edf \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0m g\u00e3y c\u00e1c kh\u1edbp n\u1ed1i n\u1ebfu kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c gi\u00e1 \u0111\u1ee1 qu\u00e1 xa. \u1ed0ng PPR c\u1ea7n gi\u00e1 \u0111\u1ee1 c\u1ee9 m\u1ed7i 2-4 feet (kho\u1ea3ng 60-120 cm). \u1ed0ng nh\u00f4m ho\u1eb7c th\u00e9p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch 10-15 feet (kho\u1ea3ng 3-4,5 m\u00e9t). Ti\u00eau chu\u1ea9n ASME B31.3 quy \u0111\u1ecbnh v\u1ec1 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c gi\u00e1 \u0111\u1ee1 v\u00e0 v\u00f2ng gi\u00e3n n\u1edf cho h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oil_Compatibility_and_Long-Term_Degradation\"><\/span><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi d\u1ea7u v\u00e0 s\u1ef1 suy gi\u1ea3m l\u00e2u d\u00e0i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y n\u00e9n kh\u00ed tr\u1ee5c v\u00edt th\u01b0\u1eddng s\u1eed d\u1ee5ng ch\u1ea5t b\u00f4i tr\u01a1n t\u1ed5ng h\u1ee3p. Theo th\u1eddi gian, c\u00e1c lo\u1ea1i d\u1ea7u n\u00e0y c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a PPR, l\u00e0m cho \u1ed1ng tr\u1edf n\u00ean gi\u00f2n v\u00e0 d\u1ec5 b\u1ecb v\u1ee1 \u0111\u1ed9t ng\u1ed9t m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u00e1y n\u00e9n kh\u00ed c\u00f3 b\u00f4i tr\u01a1n, h\u00e3y ki\u1ec3m tra b\u1ea3ng t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 x\u00e1c nh\u1eadn xem lo\u1ea1i PPR c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c ch\u1ea5t b\u00f4i tr\u01a1n polyglycol ho\u1eb7c diester hay kh\u00f4ng. Nh\u00f4m kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi d\u1ea7u m\u00e1y n\u00e9n kh\u00ed, \u0111\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n cho h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_PPR_Works_and_When_It_Doesnt\"><\/span><strong>Khi n\u00e0o ph\u01b0\u01a1ng ph\u00e1p PPR hi\u1ec7u qu\u1ea3 v\u00e0 khi n\u00e0o th\u00ec kh\u00f4ng.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ed0ng PPR d\u00f9ng cho h\u1ec7 th\u1ed1ng m\u00e1y n\u00e9n kh\u00ed ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed s\u1ea1ch nh\u01b0 c\u00e1c nh\u00e0 m\u00e1y d\u01b0\u1ee3c ph\u1ea9m ho\u1eb7c \u0111i\u1ec7n t\u1eed, d\u01b0\u1edbi 25 bar, v\u1edbi nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-pipe\/ppr-pipe-solutions-for-pharma-water\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y n\u00e9n kh\u00f4ng d\u1ea7u<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 \u00e1p su\u1ea5t tr\u00ean 25 bar, \u0111\u01b0\u1eddng \u1ed1ng kh\u00ed n\u00f3ng kh\u00f4ng gi\u1ea3m c\u00f4ng su\u1ea5t, \u0111\u01b0\u1eddng \u1ed1ng ngo\u00e0i tr\u1eddi m\u00e0 kh\u00f4ng c\u1ea7n\u2026 <a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-pipe\/effective-ways-to-get-uv-resistant-plastic-pipes\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u1eadt li\u1ec7u \u1ed5n \u0111\u1ecbnh tia UV<\/a>, ho\u1eb7c c\u00e1c khu v\u1ef1c c\u00f3 m\u1eadt \u0111\u1ed9 giao th\u00f4ng cao, n\u01a1i \u0111\u01b0\u1eddng \u1ed1ng b\u1ecb v\u1ee1 tr\u1edf th\u00e0nh m\u1ed1i nguy hi\u1ec3m v\u1ec1 an to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t b\u00ecnh \u1eafc quy PPR nghi\u00eam c\u1ea5m vi\u1ec7c s\u1eed d\u1ee5ng kh\u00ed \u0111\u1ed1t trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a h\u1ecd. Vi\u1ec7c s\u1eed d\u1ee5ng b\u00ecnh \u1eafc quy PPR ti\u00eau chu\u1ea9n cho kh\u00ed n\u00e9n c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh v\u00e0 chuy\u1ec3n tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd sang ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t n\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_DESO_Recommends\"><\/span><strong>Nh\u1eefng g\u00ec DESO khuy\u1ebfn ngh\u1ecb<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO ch\u1ee9ng nh\u1eadn c\u00e1c lo\u1ea1i PPR c\u1ee5 th\u1ec3 cho kh\u00ed n\u00e9n l\u00ean \u0111\u1ebfn 25 bar trong m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt c\u1ee7a h\u1ecd y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ee7y t\u0129nh ho\u1eb7c kh\u00ed n\u00e9n \u1edf m\u1ee9c 1,5 l\u1ea7n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c trong \u00edt nh\u1ea5t 2 gi\u1edd tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.desopipe.com\/vi\/blog\/ppr-pipe\/guide-to-connect-ppr-pipes\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u1ee3p nh\u1ea5t \u1ed5 c\u1eafm<\/a> Khi \u0111\u01b0\u1ee3c gia nhi\u1ec7t \u0111\u00fang c\u00e1ch, m\u1ed1i h\u00e0n s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t kh\u1ed1i li\u1ec1n m\u1ea1ch, nh\u01b0ng c\u00e1c m\u1ed1i h\u00e0n ngu\u1ed9i do gia nhi\u1ec7t v\u1ed9i v\u00e0ng ho\u1eb7c kh\u00f4ng \u0111\u00fang c\u00e1ch l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y r\u00f2 r\u1ec9 trong h\u1ec7 th\u1ed1ng PPR. Vi\u1ec7c s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt vi\u00ean \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u00e0 d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n s\u1ebd ng\u0103n ng\u1eeba h\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ed0ng PPR \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n ISO 15874 cho n\u01b0\u1edbc, nh\u01b0ng ch\u1ee9ng nh\u1eadn cho d\u1ecbch v\u1ee5 kh\u00ed \u0111\u1ed1t v\u1eabn c\u00f2n hi\u1ebfm. Tr\u01b0\u1edbc khi ch\u1ec9 \u0111\u1ecbnh \u1ed1ng PPR cho kh\u00ed n\u00e9n, h\u00e3y ki\u1ec3m tra c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 y\u00eau c\u1ea7u c\u1ee7a c\u00f4ng ty b\u1ea3o hi\u1ec3m \u0111\u1ed1i v\u1edbi c\u01a1 s\u1edf c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>S\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt c\u1ee7a Hero<\/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\/vi\/product\/pp-rct-pipe\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/03\/img_v3_02k2_c68cb228-056c-4b59-9c1f-942e312a569g-768x768.webp\" alt=\"\u1ed0ng DESO PP-RCT\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u1ed0ng PP-RCT<\/div>\n    <div class=\"hero-description\">\u1ed0ng PP-RCT \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng nguy\u00ean li\u1ec7u PP-R 100 cao c\u1ea5p mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t, ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ecbu \u00e1p su\u1ea5t.<\/div>\n    <span class=\"hero-link\">Xem s\u1ea3n ph\u1ea9m<\/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=\"Making_the_Right_Choice\"><\/span><strong>\u0110\u01b0a ra l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng PPR ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 khi \u0111\u00e1p \u1ee9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau: c\u1ea5p \u0111\u1ed9 PN20 ho\u1eb7c PN25, nhi\u1ec7t \u0111\u1ed9 cho ph\u00e9p gi\u1ea3m c\u00f4ng su\u1ea5t ph\u00f9 h\u1ee3p, m\u00e1y n\u00e9n kh\u00f4ng d\u1ea7u ho\u1eb7c t\u01b0\u01a1ng th\u00edch, c\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c ki\u1ec3m tra \u00e1p su\u1ea5t v\u00e0 c\u00f3 gi\u00e1 \u0111\u1ee1 c\u1ee9 m\u1ed7i 2-4 feet v\u1edbi c\u00e1c v\u00f2ng gi\u00e3n n\u1edf tr\u00ean c\u00e1c \u0111o\u1ea1n d\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n n\u00e0o trong s\u1ed1 \u0111\u00f3 kh\u00f4ng \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n, nh\u00f4m l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n. N\u00f3 ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 nh\u1ef1a nh\u01b0ng l\u1ea1i d\u1ec5 b\u1ecb r\u00e1ch thay v\u00ec v\u1ee1 v\u1ee5n, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ng\u00e0y c\u00e0ng nhi\u1ec1u nh\u00e0 l\u1eafp \u0111\u1eb7t l\u1ef1a ch\u1ecdn n\u00f3 cho h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n c\u00f4ng nghi\u1ec7p.<\/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\/vi\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A PPR pipe for compressed air can work safely in low-to-medium pressure systems when you use the right grade. But it&#8217;s not a blanket replacement for<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4071,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-4068","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 for Compressed Air vs Aluminum &amp; Steel | DESO Group<\/title>\n<meta name=\"description\" content=\"PPR can work for compressed air under the right conditions. Learn about pressure ratings, failure risks, and when aluminum is the safer choice.\" \/>\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\/vi\/blog\/ppr-pipe\/ppr-pipe-for-compressed-air-systems\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Pipe for Compressed Air vs Aluminum &amp; Steel | DESO Group\" \/>\n<meta property=\"og:description\" content=\"PPR can work for compressed air under the right conditions. 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