{"id":844,"date":"2025-03-17T11:55:05","date_gmt":"2025-03-17T03:55:05","guid":{"rendered":"https:\/\/hengoseal.com\/?p=844"},"modified":"2025-03-17T11:55:05","modified_gmt":"2025-03-17T03:55:05","slug":"hydraulic-seals-for-excavators","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/vi\/hydraulic-seals-for-excavators\/","title":{"rendered":"Ph\u1edbt th\u1ee7y l\u1ef1c cho m\u00e1y x\u00fac: Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft"},"content":{"rendered":"<p>B\u1ea1n c\u00f3 \u0111ang tr\u1ea3i nghi\u1ec7m <strong>r\u00f2 r\u1ec9, m\u1ea5t \u00e1p su\u1ea5t ho\u1eb7c hi\u1ec7u su\u1ea5t ch\u1eadm<\/strong> trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a m\u00e1y x\u00fac c\u1ee7a b\u1ea1n? Ph\u1edbt th\u1ee7y l\u1ef1c l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng <strong>ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng, duy tr\u00ec \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru<\/strong>. L\u1ef1a ch\u1ecdn <strong>\u0111\u00fang lo\u1ea1i v\u00e0 v\u1eadt li\u1ec7u ph\u1edbt<\/strong> C\u00f3 th\u1ec3 <strong>gi\u1ea3m th\u1eddi gian ch\u1ebft, gi\u1ea3m thi\u1ec3u chi ph\u00ed s\u1eeda ch\u1eefa v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y<\/strong>.<\/p>\n<h2>T\u1ea1i sao ph\u1edbt th\u1ee7y l\u1ef1c l\u1ea1i c\u1ea7n thi\u1ebft cho m\u00e1y x\u00fac?<\/h2>\n<p>M\u00e1y \u0111\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o <strong>xi lanh th\u1ee7y l\u1ef1c<\/strong> \u0111\u1ec3 n\u00e2ng, \u0111\u00e0o v\u00e0 di chuy\u1ec3n c\u00e1c v\u1eadt n\u1eb7ng. Ph\u1edbt th\u1ee7y l\u1ef1c:<\/p>\n<ul>\n<li><strong>Ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng<\/strong> \u0111\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 xi lanh kh\u1ecfi b\u1ee5i, m\u1ea3nh v\u1ee5n v\u00e0 \u00f4 nhi\u1ec5m n\u01b0\u1edbc<\/strong>.<\/li>\n<li><strong>Gi\u1ea3m m\u00e0i m\u00f2n v\u00e0 ma s\u00e1t<\/strong>, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a linh ki\u1ec7n.<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n<\/strong>, ng\u0103n ng\u1eeba th\u1eddi gian ch\u1ebft ngo\u00e0i \u00fd mu\u1ed1n.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i ph\u1edbt th\u1ee7y l\u1ef1c ch\u00ednh cho m\u00e1y x\u00fac l\u00e0 g\u00ec?<\/h2>\n<p>M\u1ed7i lo\u1ea1i ph\u1edbt \u0111\u00f3ng vai tr\u00f2 kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c. Sau \u0111\u00e2y l\u00e0 nh\u1eefng lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<h3><strong>1. Ph\u1edbt piston<\/strong><\/h3>\n<ul>\n<li><strong>Ch\u1ee9c n\u0103ng:<\/strong> Ng\u0103n ch\u1eb7n ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c tho\u00e1t ra ngo\u00e0i piston.<\/li>\n<li><strong>V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> Polyurethane (TPU), PTFE, NBR.<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> \u1ee8ng d\u1ee5ng \u00e1p su\u1ea5t cao trong m\u00e1y \u0111\u00e0o h\u1ea1ng n\u1eb7ng.<\/li>\n<\/ul>\n<h3><strong>2. Ph\u1edbt thanh<\/strong><\/h3>\n<ul>\n<li><strong>Ch\u1ee9c n\u0103ng:<\/strong> Ng\u0103n ch\u1eb7n ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c r\u00f2 r\u1ec9 qua thanh xi lanh.<\/li>\n<li><strong>V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> NBR, FKM, TPU.<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> M\u00e1y x\u00fac ti\u1ebfp x\u00fac v\u1edbi <strong>nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ea5t l\u1ecfng c\u00f3 t\u00ednh \u0103n m\u00f2n<\/strong>.<\/li>\n<\/ul>\n<h3><strong>3. Ph\u1edbt g\u1ea1t n\u01b0\u1edbc (Ph\u1edbt g\u1ea1t n\u01b0\u1edbc)<\/strong><\/h3>\n<ul>\n<li><strong>Ch\u1ee9c n\u0103ng:<\/strong> Lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n v\u00e0 \u0111\u1ed9 \u1ea9m kh\u1ecfi thanh piston.<\/li>\n<li><strong>V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> TPU, NBR.<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> M\u00e1y x\u00fac \u0111ang l\u00e0m vi\u1ec7c trong <strong>m\u00f4i tr\u01b0\u1eddng l\u1ea7y l\u1ed9i ho\u1eb7c b\u1ee5i b\u1eb7m<\/strong>.<\/li>\n<\/ul>\n<h3><strong>4. \u0110eo Nh\u1eabn (V\u00f2ng d\u1eabn h\u01b0\u1edbng)<\/strong><\/h3>\n<ul>\n<li><strong>Ch\u1ee9c n\u0103ng:<\/strong> Cung c\u1ea5p h\u1ed7 tr\u1ee3 b\u00ean h\u00f4ng \u0111\u1ec3 ng\u0103n ng\u1eeba ti\u1ebfp x\u00fac kim lo\u1ea1i v\u1edbi kim lo\u1ea1i.<\/li>\n<li><strong>V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> PTFE, POM, nh\u1ef1a Phenolic.<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> <strong>\u1ee8ng d\u1ee5ng m\u00e1y \u0111\u00e0o t\u1ea3i tr\u1ecdng cao<\/strong> \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<h3><strong>5. V\u00f2ng ch\u1eef O &amp; V\u00f2ng \u0111\u1ec7m d\u1ef1 ph\u00f2ng<\/strong><\/h3>\n<ul>\n<li><strong>Ch\u1ee9c n\u0103ng:<\/strong> Cung c\u1ea5p h\u1ed7 tr\u1ee3 b\u1ecbt k\u00edn th\u1ee9 c\u1ea5p.<\/li>\n<li><strong>V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> NBR, FKM, PTFE.<\/li>\n<li><strong>T\u1ed1t nh\u1ea5t cho:<\/strong> <strong>\u1ee8ng d\u1ee5ng ni\u00eam phong t\u0129nh<\/strong> b\u00ean trong xi lanh th\u1ee7y l\u1ef1c.<\/li>\n<\/ul>\n<h2>V\u1eadt li\u1ec7u t\u1ed1t nh\u1ea5t cho ph\u1edbt th\u1ee7y l\u1ef1c m\u00e1y x\u00fac<\/h2>\n<p>B\u00ean ph\u1ea3i <strong>v\u1eadt li\u1ec7u ni\u00eam phong<\/strong> x\u00e1c \u0111\u1ecbnh <strong>hi\u1ec7u su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t<\/strong>:<\/p>\n<table>\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/th>\n<th>T\u1ed1t nh\u1ea5t cho<\/th>\n<th>\u01afu \u0111i\u1ec3m ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Polyurethane (TPU)<\/strong><\/td>\n<td>-40\u00b0C \u0111\u1ebfn 100\u00b0C<\/td>\n<td>Ph\u1edbt thanh v\u00e0 g\u1ea1t n\u01b0\u1edbc<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, linh ho\u1ea1t<\/td>\n<\/tr>\n<tr>\n<td><strong>Cao su Nitrile (NBR)<\/strong><\/td>\n<td>-30\u00b0C \u0111\u1ebfn 110\u00b0C<\/td>\n<td>Con d\u1ea5u m\u1ee5c \u0111\u00edch chung<\/td>\n<td>Ch\u1ed1ng d\u1ea7u, ti\u1ebft ki\u1ec7m chi ph\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>Fluorocarbon (FKM\/Viton)<\/strong><\/td>\n<td>-20\u00b0C \u0111\u1ebfn 200\u00b0C<\/td>\n<td>\u1ee8ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u00f3a ch\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td><strong>Polytetrafluoroetylen (PTFE)<\/strong><\/td>\n<td>-200\u00b0C \u0111\u1ebfn 260\u00b0C<\/td>\n<td>Ph\u1edbt piston v\u00e0 thanh truy\u1ec1n<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u00f3a ch\u1ea5t c\u1ef1c cao<\/td>\n<\/tr>\n<tr>\n<td><strong>POM (Nh\u1ef1a Acetal)<\/strong><\/td>\n<td>-40\u00b0C \u0111\u1ebfn 120\u00b0C<\/td>\n<td>\u0110eo nh\u1eabn<\/td>\n<td>\u0110\u1ed9 b\u1ec1n cao, ma s\u00e1t th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2705 <strong>S\u1ef1 gi\u1edbi thi\u1ec7u:<\/strong> <strong>Ph\u1edbt Polyurethane &amp; PTFE<\/strong> cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t nh\u1ea5t <strong>\u0111\u1ed9 b\u1ec1n, t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t<\/strong> cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e1y \u0111\u00e0o.<\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111o ph\u1edbt th\u1ee7y l\u1ef1c cho m\u00e1y x\u00fac?<\/h2>\n<p>L\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn <strong>k\u00edch th\u01b0\u1edbc con d\u1ea5u<\/strong> r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9. Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c:<\/p>\n<ol>\n<li><strong>\u0110o \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong (ID):<\/strong> S\u1eed d\u1ee5ng th\u01b0\u1edbc c\u1eb7p \u0111\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc l\u1ed7 b\u00ean trong.<\/li>\n<li><strong>\u0110o \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD):<\/strong> \u0110o m\u00e9p ngo\u00e0i c\u1ee7a mi\u1ebfng ni\u00eam phong.<\/li>\n<li><strong>\u0110o m\u1eb7t c\u1eaft ngang (CS):<\/strong> \u0110\u00e2y l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a con d\u1ea5u.<\/li>\n<\/ol>\n<h3><strong>Bi\u1ec3u \u0111\u1ed3 k\u00edch th\u01b0\u1edbc ph\u1edbt th\u1ee7y l\u1ef1c ti\u00eau chu\u1ea9n (ISO 5597 &amp; AS568)<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i con d\u1ea5u<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh b\u00ean trong (ID)<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD)<\/th>\n<th>M\u1eb7t c\u1eaft ngang (CS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thanh ni\u00eam phong<\/td>\n<td>50mm<\/td>\n<td>60mm<\/td>\n<td>5mm<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1edbt piston<\/td>\n<td>75mm<\/td>\n<td>85mm<\/td>\n<td>7mm<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1edbt g\u1ea1t n\u01b0\u1edbc<\/td>\n<td>90mm<\/td>\n<td>100mm<\/td>\n<td>6mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra l\u1ed7i ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<\/h2>\n<p>Hi\u1ec3u bi\u1ebft <strong>nguy\u00ean nh\u00e2n th\u1ea5t b\u1ea1i<\/strong> gi\u00fap \u0111\u1ee1 <strong>k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ph\u1edbt<\/strong>:<\/p>\n<table>\n<thead>\n<tr>\n<th>Nguy\u00ean nh\u00e2n th\u1ea5t b\u1ea1i<\/th>\n<th>Ph\u01b0\u01a1ng ph\u00e1p ph\u00f2ng ng\u1eeba<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao<\/strong><\/td>\n<td>S\u1eed d\u1ee5ng ph\u1edbt FKM ho\u1eb7c PTFE \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m (B\u1ee5i b\u1ea9n, N\u01b0\u1edbc, R\u00e1c th\u1ea3i)<\/strong><\/td>\n<td>Ki\u1ec3m tra v\u00e0 thay th\u1ebf ph\u1edbt g\u1ea1t n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e0i \u0111\u1eb7t kh\u00f4ng \u0111\u00fang c\u00e1ch<\/strong><\/td>\n<td>Lu\u00f4n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 l\u1eafp ph\u1edbt.<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c<\/strong><\/td>\n<td>Ch\u1ecdn lo\u1ea1i ph\u1edbt c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t.<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u00e3o h\u00f3a &amp; hao m\u00f2n<\/strong><\/td>\n<td>Th\u1ef1c hi\u1ec7n theo l\u1ecbch b\u1ea3o tr\u00ec c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>T\u1ea1i sao b\u1ea1n n\u00ean n\u00e2ng c\u1ea5p ph\u1edbt m\u00e1y x\u00fac ngay h\u00f4m nay?<\/h2>\n<p>\ud83d\udea8 <strong>B\u1ea1n c\u00f3 bi\u1ebft kh\u00f4ng?<\/strong> <strong>70% l\u1ed7i th\u1ee7y l\u1ef1c<\/strong> l\u00e0 do l\u1edbp ni\u00eam phong k\u00e9m!<br \/>\n\ud83d\udcc9 <strong>B\u1ecf qua c\u00e1c mi\u1ebfng \u0111\u1ec7m b\u1ecb m\u00f2n<\/strong> d\u1eabn \u0111\u1ebfn <strong>th\u1eddi gian ch\u1ebft m\u00e1y, r\u00f2 r\u1ec9 d\u1ea7u v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa cao.<\/strong><br \/>\n\ud83d\udca1 <strong>Gi\u1ea3i ph\u00e1p?<\/strong> <strong>Gio\u0103ng TPU &amp; PTFE hi\u1ec7u su\u1ea5t cao<\/strong> c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n<p>\ud83d\udc49 <strong>N\u00e2ng c\u1ea5p ngay h\u00f4m nay v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd cho m\u00e1y \u0111\u00e0o c\u1ee7a b\u1ea1n!<\/strong><\/p>\n<h2>Nh\u1eadn ph\u1edbt m\u00e1y x\u00fac hi\u1ec7u su\u1ea5t cao \u2013 Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed ngay h\u00f4m nay!<\/h2>\n<p>HENGOSEAL chuy\u00ean v\u1ec1 <strong>ph\u1edbt th\u1ee7y l\u1ef1c cao c\u1ea5p<\/strong> v\u00ec <strong>xi lanh m\u00e1y x\u00fac<\/strong>.<\/p>\n<p>\ud83c\udfaf <strong>T\u1ea1i sao n\u00ean ch\u1ecdn con d\u1ea5u c\u1ee7a ch\u00fang t\u00f4i?<\/strong><\/p>\n<ul>\n<li><strong>\u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p<\/strong><\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ecbu m\u00e0i m\u00f2n cao<\/strong><\/li>\n<li><strong>T\u01b0\u01a1ng th\u00edch v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c th\u01b0\u01a1ng hi\u1ec7u m\u00e1y \u0111\u00e0o l\u1edbn<\/strong><\/li>\n<li><strong>V\u1eadn chuy\u1ec3n to\u00e0n c\u1ea7u nhanh ch\u00f3ng kh\u00f4ng c\u00f3 MOQ<\/strong><\/li>\n<\/ul>\n<p>\ud83d\udcf2 <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8617622979498\" rel=\"nofollow noopener\" target=\"_blank\">Tr\u00f2 chuy\u1ec7n ngay<\/a><br \/>\n\ud83d\udce9 <strong>E-mail:<\/strong> <a href=\"mailto:info@hengoseal.com\">info@hengoseal.com<\/a><br \/>\n\ud83c\udf0d <strong>Gh\u00e9 th\u0103m c\u1eeda h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i:<\/strong> <a href=\"https:\/\/hengoseal.com\/vi\/\">www.hengoseal.com<\/a><br \/>\n\ud83d\ude80 <strong>H\u00e3y h\u00e0nh \u0111\u1ed9ng ngay! B\u1ea3o v\u1ec7 ph\u1edbt m\u00e1y x\u00fac c\u1ee7a b\u1ea1n ngay h\u00f4m nay!<\/strong><\/p>\n<hr \/>\n<style>\n.faq-question {\ncursor: pointer;\nfont-weight: bold;\npadding: 10px;\nbackground-color: #f1f1f1;\nborder: 1px solid #ddd;\nmargin-bottom: 5px;\ncolor: #0073aa;\n}\n.faq-answer {\ndisplay: none;\npadding: 10px;\nborder-left: 3px solid #0073aa;\nbackground-color: #f9f9f9;\nmargin-bottom: 10px;\n}\n<\/style>\n<p><script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst questions = document.querySelectorAll('.faq-question');\nquestions.forEach(question => {\nquestion.addEventListener('click', function() {\nconst answer = this.nextElementSibling;\nanswer.style.display = answer.style.display === 'block' ? 'none' : 'block';\n});\n});\n});\n<\/script><br \/>\n<!-- JSON-LD FAQ Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\n\"@type\": \"Question\",\n\"name\": \"What are the most common hydraulic seals used in excavators?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"The most common hydraulic seals include piston seals, rod seals, wiper seals, wear rings, and O-rings.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"How do I know if my excavator's hydraulic seals need replacement?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"If you notice hydraulic fluid leaks, loss of power, or excessive noise, it may be time to replace your seals.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What is the best material for high-pressure hydraulic seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Polyurethane (TPU) and PTFE are excellent choices for high-pressure applications due to their wear resistance.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"How long do hydraulic seals last in an excavator?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Seal lifespan depends on operating conditions but typically lasts between 3-5 years with proper maintenance.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I replace hydraulic seals myself?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, but it's recommended to use professional tools and follow OEM guidelines for installation.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Why do hydraulic seals fail?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Common causes include heat, contamination, improper installation, and fluid incompatibility.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What&rsquo;s the difference between rod seals and piston seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Rod seals prevent fluid from leaking out, while piston seals prevent leakage within the cylinder.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Where can I buy high-quality excavator hydraulic seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"You can order premium hydraulic seals from HENGOSEAL. Contact us today!\"\n}\n}\n]\n}\n<\/script><\/p>\n<h2>M\u1ecdi ng\u01b0\u1eddi c\u0169ng h\u1ecfi<\/h2>\n<div class=\"faq-container\">\n<div class=\"faq-question\">1. Nh\u1eefng lo\u1ea1i ph\u1edbt th\u1ee7y l\u1ef1c n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong m\u00e1y \u0111\u00e0o?<\/div>\n<div class=\"faq-answer\">C\u00e1c lo\u1ea1i ph\u1edbt th\u1ee7y l\u1ef1c ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m ph\u1edbt piston, ph\u1edbt thanh truy\u1ec1n, ph\u1edbt g\u1ea1t n\u01b0\u1edbc, v\u00f2ng \u0111\u1ec7m ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 v\u00f2ng \u0111\u1ec7m ch\u1eef O.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">2. L\u00e0m sao \u0111\u1ec3 bi\u1ebft ph\u1edbt th\u1ee7y l\u1ef1c c\u1ee7a m\u00e1y \u0111\u00e0o c\u1ee7a t\u00f4i c\u1ea7n thay th\u1ebf?<\/div>\n<div class=\"faq-answer\">N\u1ebfu b\u1ea1n th\u1ea5y r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c, m\u1ea5t c\u00f4ng su\u1ea5t ho\u1eb7c ti\u1ebfng \u1ed3n qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 \u0111\u00e3 \u0111\u1ebfn l\u00fac b\u1ea1n c\u1ea7n thay ph\u1edbt.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">3. V\u1eadt li\u1ec7u n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho ph\u1edbt th\u1ee7y l\u1ef1c \u00e1p su\u1ea5t cao?<\/div>\n<div class=\"faq-answer\">Polyurethane (TPU) v\u00e0 PTFE l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu \u00e1p su\u1ea5t cao do kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a ch\u00fang.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">4. Ph\u1edbt th\u1ee7y l\u1ef1c trong m\u00e1y \u0111\u00e0o c\u00f3 tu\u1ed5i th\u1ecd bao l\u00e2u?<\/div>\n<div class=\"faq-answer\">Tu\u1ed5i th\u1ecd c\u1ee7a ph\u1edbt ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh nh\u01b0ng th\u01b0\u1eddng k\u00e9o d\u00e0i t\u1eeb 3-5 n\u0103m n\u1ebfu b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">5. T\u00f4i c\u00f3 th\u1ec3 t\u1ef1 thay ph\u1edbt th\u1ee7y l\u1ef1c kh\u00f4ng?<\/div>\n<div class=\"faq-answer\">C\u00f3, nh\u01b0ng b\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean nghi\u1ec7p v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a OEM khi l\u1eafp \u0111\u1eb7t.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">6. T\u1ea1i sao ph\u1edbt th\u1ee7y l\u1ef1c b\u1ecb h\u1ecfng?<\/div>\n<div class=\"faq-answer\">Nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9, \u00f4 nhi\u1ec5m, l\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u00fang c\u00e1ch v\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">7. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ph\u1edbt thanh truy\u1ec1n v\u00e0 ph\u1edbt piston l\u00e0 g\u00ec?<\/div>\n<div class=\"faq-answer\">Ph\u1edbt thanh truy\u1ec1n ng\u0103n ch\u1ea5t l\u1ecfng r\u00f2 r\u1ec9 ra ngo\u00e0i, trong khi ph\u1edbt piston ng\u0103n ch\u1ea5t l\u1ecfng r\u00f2 r\u1ec9 b\u00ean trong xi lanh.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">8. T\u00f4i c\u00f3 th\u1ec3 mua ph\u1edbt th\u1ee7y l\u1ef1c m\u00e1y x\u00fac ch\u1ea5t l\u01b0\u1ee3ng cao \u1edf \u0111\u00e2u?<\/div>\n<div class=\"faq-answer\">B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t mua ph\u1edbt th\u1ee7y l\u1ef1c cao c\u1ea5p t\u1eeb HENGOSEAL. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay!<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n c\u00f3 g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng r\u00f2 r\u1ec9, m\u1ea5t \u00e1p su\u1ea5t ho\u1eb7c hi\u1ec7u su\u1ea5t ch\u1eadm ch\u1ea1p trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a m\u00e1y \u0111\u00e0o kh\u00f4ng? Ph\u1edbt th\u1ee7y l\u1ef1c l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng [\u2026]<\/p>","protected":false},"author":1,"featured_media":845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[38],"tags":[],"class_list":["post-844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hydraulic-seals"],"_links":{"self":[{"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/posts\/844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/comments?post=844"}],"version-history":[{"count":0,"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/posts\/844\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/media\/845"}],"wp:attachment":[{"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/media?parent=844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/categories?post=844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hengoseal.com\/vi\/wp-json\/wp\/v2\/tags?post=844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}