{"id":792,"date":"2026-04-16T06:27:16","date_gmt":"2026-04-16T06:27:16","guid":{"rendered":"https:\/\/www.ykyvalve.com\/?p=792"},"modified":"2026-04-16T02:16:52","modified_gmt":"2026-04-16T02:16:52","slug":"how-to-replace-a-threaded-ball-valve","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/vi\/blog\/ball-valves\/how-to-replace-a-threaded-ball-valve\/","title":{"rendered":"C\u00e1ch thay th\u1ebf van bi ren"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u0110\u1ec3 thay th\u1ebf van bi ren: h\u00e3y kh\u00f3a ngu\u1ed3n c\u1ea5p n\u01b0\u1edbc, x\u1ea3 h\u1ebft n\u01b0\u1edbc trong \u0111\u01b0\u1eddng \u1ed1ng, sau \u0111\u00f3 th\u00e1o van c\u0169 b\u1eb1ng hai c\u1edd l\u00ea \u2013 m\u1ed9t c\u00e1i v\u1eb7n v\u00e0o th\u00e2n van, m\u1ed9t c\u00e1i v\u1eb7n v\u00e0o \u1ed1ng. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng m\u1ed9t c\u1edd l\u00ea; vi\u1ec7c n\u00e0y s\u1ebd g\u00e2y \u00e1p l\u1ef1c l\u00ean kh\u1edbp n\u1ed1i th\u00e2n van v\u00e0 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9. L\u00e0m s\u1ea1ch ren \u1ed1ng, qu\u1ea5n 3-4 l\u1edbp b\u0103ng PTFE theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3, v\u00e0 l\u1eafp van m\u1edbi b\u1eb1ng tay cho \u0111\u1ebfn khi ch\u1eb7t, sau \u0111\u00f3 si\u1ebft ch\u1eb7t th\u00eam 1,5-3 v\u00f2ng b\u1eb1ng c\u1edd l\u00ea (t\u1ed1i \u0111a 2,5 cm). T\u1ed5ng th\u1eddi gian: 30-60 ph\u00fat. D\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft: hai c\u1edd l\u00ea \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c, b\u0103ng PTFE, b\u00e0n ch\u1ea3i s\u1eaft v\u00e0 m\u1ed9t c\u00e1i x\u00f4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u1ea1n c\u1ea7n nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0o?<\/strong><\/h2>\n\n\n\n<!-- 2PC Flanged Ball Valve | \u7d27\u51d1\u6a2a\u5411\u5361\u7247 | \u7c98\u8d34\u5230 WP > \u81ea\u5b9a\u4e49HTML\u5757 -->\n<style>\n.ykc{font-family:Arial,sans-serif;max-width:820px;margin:1.5rem auto;display:grid;grid-template-columns:160px 1fr auto;gap:0;border:1px solid #ddd;background:#fff;align-items:stretch;}\n.ykc *{box-sizing:border-box;}\n.ykc-img{background:#f5f5f3;display:flex;align-items:center;justify-content:center;padding:1rem;}\n.ykc-img img{width:120px;height:120px;object-fit:contain;display:block;}\n.ykc-body{padding:1rem 1.2rem;border-left:1px solid #eee;}\n.ykc-title{font-size:1rem;font-weight:700;color:#1a1a18;margin:0 0 0.3rem;}\n.ykc-desc{font-size:0.78rem;color:#666;line-height:1.5;margin:0 0 0.7rem;}\n.ykc-params{display:flex;flex-wrap:wrap;gap:4px 12px;}\n.ykc-param{font-size:0.72rem;color:#444;}\n.ykc-param span{color:#888;margin-right:3px;}\n.ykc-action{padding:1rem 1.2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-left:1px solid #eee;background:#fafaf8;min-width:130px;}\n.ykc-btn{display:inline-block;background:#c8560a;color:#fff;text-decoration:none;font-size:0.75rem;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;padding:0.5rem 1rem;white-space:nowrap;}\n.ykc-btn:hover{background:#a34208;color:#fff;}\n.ykc-cat{font-size:0.68rem;color:#aaa;text-align:center;}\n@media(max-width:580px){\n  .ykc{grid-template-columns:1fr;grid-template-rows:auto;}\n  .ykc-img{padding:1rem;min-height:140px;}\n  .ykc-body,.ykc-action{border-left:none;border-top:1px solid #eee;}\n  .ykc-action{flex-direction:row;justify-content:space-between;}\n}\n<\/style>\n\n<div class=\"ykc\">\n  <div class=\"ykc-img\">\n    <img decoding=\"async\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/2PC-Flanged-Ball-Valve.webp\" alt=\"Van bi m\u1eb7t b\u00edch 2PC\">\n  <\/div>\n  <div class=\"ykc-body\">\n    <p class=\"ykc-title\">Van bi m\u1eb7t b\u00edch 2PC<\/p>\n    <p class=\"ykc-desc\">Van n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c m\u00f4i ch\u1ea5t \u0103n m\u00f2n trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00f3a ch\u1ea5t v\u00e0 n\u0103ng l\u01b0\u1ee3ng. Th\u00e2n van b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c th\u00e9p carbon v\u1edbi gio\u0103ng PTFE\/RPTFE, \u0111\u1ea3m b\u1ea3o \u0111\u00f3ng ng\u1eaft an to\u00e0n t\u1eeb -29\u00b0C \u0111\u1ebfn 121\u00b0C.<\/p>\n    <div class=\"ykc-params\">\n      <div class=\"ykc-param\"><span>K\u00edch c\u1ee1<\/span>DN15\u2013DN200<\/div>\n      <div class=\"ykc-param\"><span>\u00c1p l\u1ef1c<\/span>PN16\u2013PN64 \/ 150\u2013600LB<\/div>\n      <div class=\"ykc-param\"><span>Th\u00e2n h\u00ecnh<\/span>CF8 \/ CF8M \/ WCB<\/div>\n      <div class=\"ykc-param\"><span>Gh\u1ebf<\/span>PTFE \/ RPTFE \/ PEEK<\/div>\n      <div class=\"ykc-param\"><span>S\u1ef1 li\u00ean quan<\/span>RF, RTJ<\/div>\n      <div class=\"ykc-param\"><span>Nhi\u1ec7t \u0111\u1ed9<\/span>-29\u00b0C \u0111\u1ebfn 121\u00b0C<\/div>\n    <\/div>\n  <\/div>\n  <div class=\"ykc-action\">\n    <a class=\"ykc-btn\" href=\"\/vi\/contact\/\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a>\n    <span class=\"ykc-cat\">Van bi<\/span>\n  <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Hai c\u1edd l\u00ea \u0111i\u1ec1u ch\u1ec9nh (lo\u1ea1i c\u00f3 h\u00e0m tr\u01a1n) \u2014 <em>Kh\u00f4ng n\u00ean d\u00f9ng c\u1edd l\u00ea \u1ed1ng tr\u1ef1c ti\u1ebfp l\u00ean th\u00e2n van b\u1eb1ng \u0111\u1ed3ng thau ho\u1eb7c \u0111\u1ed3ng \u0111\u1ecf; c\u00e1c ng\u1ea1nh r\u0103ng c\u01b0a s\u1ebd l\u00e0m h\u1ecfng kim lo\u1ea1i m\u1ec1m h\u01a1n n\u00e0y.<\/em> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 B\u0103ng keo b\u1ecbt k\u00edn ren PTFE \u2014 m\u00e0u tr\u1eafng d\u00f9ng cho \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc, m\u00e0u v\u00e0ng d\u00f9ng cho \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Van thay th\u1ebf ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc \u1ed1ng v\u00e0 ti\u00eau chu\u1ea9n ren (NPT ho\u1eb7c BSP \u2014 kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau) <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 B\u00e0n ch\u1ea3i s\u1eaft \u0111\u1ec3 l\u00e0m s\u1ea1ch ch\u1ea5t keo d\u00e1n ren c\u0169 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 X\u00f4 v\u00e0 kh\u0103n \u0111\u1ec3 h\u1ee9ng n\u01b0\u1edbc <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 G\u0103ng tay b\u1ea3o h\u1ed9 v\u00e0 k\u00ednh b\u1ea3o h\u1ed9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n c\u00f3 hai c\u1edd l\u00ea: m\u1ed9t c\u00e1i gi\u1eef c\u1ed1 \u0111\u1ecbnh th\u00e2n van trong khi c\u00e1i kia xoay kh\u1edbp n\u1ed1i \u1ed1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u1ef1c xo\u1eafn khi l\u1eafp \u0111\u1eb7t ch\u1ec9 t\u00e1c \u0111\u1ed9ng l\u00ean kh\u1edbp n\u1ed1i ren. N\u1ebfu kh\u00f4ng c\u00f3 c\u1edd l\u00ea th\u1ee9 hai, l\u1ef1c quay s\u1ebd truy\u1ec1n qua kh\u1edbp n\u1ed1i th\u00e2n van \u2014 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra r\u00f2 r\u1ec9 sau khi l\u1eafp \u0111\u1eb7t m\u00e0 ch\u00fang ta th\u01b0\u1eddng th\u1ea5y trong th\u1ef1c t\u1ebf. \u0110\u1ed1i v\u1edbi van b\u1eb1ng \u0111\u1ed3ng thau v\u00e0 \u0111\u1ed3ng, lu\u00f4n s\u1eed d\u1ee5ng c\u1edd l\u00ea c\u00f3 h\u00e0m tr\u01a1n cho th\u00e2n van; c\u1edd l\u00ea \u1ed1ng ch\u1ec9 d\u00f9ng cho \u1ed1ng th\u00e9p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00e1ch thay van bi: Quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 th\u00e1o v\u00e0 l\u1eafp l\u1ea1i van bi ren m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 1: T\u1eaft ngu\u1ed3n c\u1ea5p n\u01b0\u1edbc<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-1200x800.png\" alt=\"T\u1eaft ngu\u1ed3n cung c\u1ea5p n\u01b0\u1edbc\" class=\"wp-image-793\" style=\"width:252px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-1200x800.png 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-500x333.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-300x200.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-768x512.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-18x12.png 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-113x75.png 113w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-480x320.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3-800x533.png 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-3.png 1536w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed van kh\u00f3a ch\u00ednh \u2014 th\u01b0\u1eddng n\u1eb1m g\u1ea7n \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, t\u1ea1i \u0111i\u1ec3m v\u00e0o t\u00f2a nh\u00e0, ho\u1eb7c ngay ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n c\u1ee7a van b\u1ea1n \u0111ang thay th\u1ebf. Xoay theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 cho \u0111\u1ebfn khi \u0111\u00f3ng ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1edf v\u00f2i n\u01b0\u1edbc g\u1ea7n nh\u1ea5t \u1edf ph\u00eda h\u1ea1 l\u01b0u \u0111\u1ec3 x\u00e1c nh\u1eadn d\u00f2ng ch\u1ea3y \u0111\u00e3 ng\u1eebng v\u00e0 \u0111\u1ec3 gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t c\u00f2n l\u1ea1i trong \u0111\u01b0\u1eddng \u1ed1ng. \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p ho\u1eb7c th\u01b0\u01a1ng m\u1ea1i, h\u00e3y tu\u00e2n theo quy tr\u00ecnh kh\u00f3a\/g\u1eafn th\u1ebb (LOTO) c\u1ee7a c\u01a1 s\u1edf tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c \u2014 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t van th\u01b0\u1ee3ng l\u01b0u duy nh\u1ea5t l\u00e0m \u0111i\u1ec3m c\u00e1ch ly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 2: X\u1ea3 h\u1ec7 th\u1ed1ng<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-1200x800.png\" alt=\"X\u1ea3 h\u1ec7 th\u1ed1ng\" class=\"wp-image-794\" style=\"width:205px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-1200x800.png 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-500x333.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-300x200.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-768x512.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-18x12.png 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-113x75.png 113w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-480x320.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4-800x533.png 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-4.png 1536w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">M\u1edf c\u00e1c van \u1edf \u0111i\u1ec3m cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t trong h\u1ec7 th\u1ed1ng \u0111\u1ec3 cho kh\u00f4ng kh\u00ed v\u00e0o v\u00e0 h\u1ed7 tr\u1ee3 tho\u00e1t n\u01b0\u1edbc \u2014 \u0111i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3a ch\u00e2n kh\u00f4ng c\u00f3 th\u1ec3 gi\u1eef n\u01b0\u1edbc l\u1ea1i ph\u00eda tr\u00ean khu v\u1ef1c l\u00e0m vi\u1ec7c. \u0110\u1eb7t m\u1ed9t x\u00f4 v\u00e0 kh\u0103n d\u01b0\u1edbi van c\u1ea7n thay th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1edf ho\u00e0n to\u00e0n van b\u1ecb l\u1ed7i \u0111\u1ec3 x\u1ea3 h\u1ebft n\u01b0\u1edbc c\u00f2n \u0111\u1ecdng b\u00ean trong th\u00e2n van. Ch\u1edd 3-5 ph\u00fat \u0111\u1ec3 n\u01b0\u1edbc tho\u00e1t h\u1ebft ho\u00e0n to\u00e0n. \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n (2 inch tr\u1edf l\u00ean) ho\u1eb7c c\u00e1c \u0111o\u1ea1n \u1ed1ng n\u1eb1m ngang d\u00e0i, qu\u00e1 tr\u00ecnh x\u1ea3 c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n \u2014 kh\u00f4ng n\u00ean v\u1ed9i v\u00e0ng \u1edf b\u01b0\u1edbc n\u00e0y, v\u00ec \u00e1p su\u1ea5t c\u00f2n l\u1ea1i trong \u0111\u01b0\u1eddng \u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c x\u1ea3 h\u1ebft c\u00f3 th\u1ec3 khi\u1ebfn van quay trong qu\u00e1 tr\u00ecnh th\u00e1o ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 3: Th\u00e1o van bi ren c\u0169<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-1200x800.png\" alt=\"Th\u00e1o van bi ren c\u0169\" class=\"wp-image-795\" style=\"width:255px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-1200x800.png 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-500x333.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-300x200.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-768x512.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-18x12.png 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-113x75.png 113w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-480x320.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5-800x533.png 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-5.png 1536w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7t m\u1ed9t c\u1edd l\u00ea l\u00ean ph\u1ea7n th\u00e2n van ph\u1eb3ng (kh\u00f4ng \u0111\u1eb7t l\u00ean \u0111\u1ea7u n\u1ed1i \u1ed1ng ho\u1eb7c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng). \u0110\u1eb7t c\u1edd l\u00ea th\u1ee9 hai l\u00ean kh\u1edbp n\u1ed1i \u1ed1ng. Xoay kh\u1edbp n\u1ed1i ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 trong khi gi\u1eef cho th\u00e2n van ho\u00e0n to\u00e0n c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng hai c\u1edd l\u00ea n\u00e0y gi\u00fap t\u1eadp trung m\u00f4-men xo\u1eafn v\u00e0o kh\u1edbp ren c\u1ea7n n\u1edbi l\u1ecfng. Trong th\u1eed nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i, vi\u1ec7c t\u00e1c d\u1ee5ng m\u00f4-men xo\u1eafn th\u00f4ng qua kh\u1edbp th\u00e2n van kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 s\u1ebd l\u00e0m t\u0103ng \u1ee9ng su\u1ea5t l\u00ean kh\u1edbp n\u1ed1i gi\u1eefa th\u00e2n van v\u00e0 \u0111u\u00f4i van l\u00ean g\u1ea5p 3-4 l\u1ea7n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng hai c\u1edd l\u00ea \u2014 \u0111\u1ee7 \u0111\u1ec3 l\u00e0m n\u1ee9t c\u00e1c kh\u1edbp n\u1ed1i c\u0169 ho\u1eb7c b\u1ecb \u0103n m\u00f2n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu van v\u1eabn kh\u00f4ng xoay \u0111\u01b0\u1ee3c sau khi d\u00f9ng l\u1ef1c m\u1ea1nh b\u1eb1ng c\u1edd l\u00ea, h\u00e3y b\u00f4i d\u1ea7u b\u00f4i tr\u01a1n (nh\u01b0 WD-40 ho\u1eb7c PB Blaster) v\u00e0o c\u1ea3 hai m\u1ed1i n\u1ed1i ren v\u00e0 \u0111\u1ee3i 15-30 ph\u00fat tr\u01b0\u1edbc khi th\u1eed l\u1ea1i. Kh\u00f4ng d\u00f9ng l\u1ef1c qu\u00e1 m\u1ea1nh \u2014 van b\u1ecb k\u1eb9t tr\u00ean \u1ed1ng \u0111\u1ed3ng c\u00f3 th\u1ec3 l\u00e0m \u0111\u1ee9t m\u1ed1i h\u00e0n ph\u00eda tr\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi th\u00e1o ra, h\u00e3y ki\u1ec3m tra c\u1ea3 hai \u0111\u1ea7u ren \u1ed1ng: n\u1ebfu ren b\u1ecb m\u00f2n ph\u1eb3ng, b\u1ecb v\u1eb7n l\u1ec7ch ren ho\u1eb7c c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n r\u1ed7 s\u00e2u h\u01a1n 1-2 b\u01b0\u1edbc ren, h\u00e3y thay th\u1ebf \u0111o\u1ea1n \u1ed1ng \u0111\u00f3 tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t van m\u1edbi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 4: Chu\u1ea9n b\u1ecb ren \u1ed1ng<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6.png\" alt=\"Chu\u1ea9n b\u1ecb ren \u1ed1ng\" class=\"wp-image-796\" style=\"width:167px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6.png 1024w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-500x500.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-300x300.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-768x768.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-12x12.png 12w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-150x150.png 150w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-75x75.png 75w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-480x480.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-6-800x800.png 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">L\u00e0m s\u1ea1ch c\u00e1c ren l\u1ed9 ra b\u1eb1ng b\u00e0n ch\u1ea3i s\u1eaft \u2014 ch\u1ea3i theo chi\u1ec1u xo\u1eafn c\u1ee7a ren, kh\u00f4ng ch\u1ea3i ngang. Lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 b\u0103ng PTFE c\u0169 v\u00e0 c\u1eb7n keo d\u00e1n; ngay c\u1ea3 nh\u1eefng c\u1eb7n m\u1ecfng c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn b\u0103ng m\u1edbi b\u1ecb v\u00f3n c\u1ee5c v\u00e0 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng r\u00f2 r\u1ec9. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra ren \u1edf c\u1ea3 hai \u0111\u1ea7u \u1ed1ng theo c\u00e1c ti\u00eau ch\u00ed sau: <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 <strong>Ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c:<\/strong> C\u00f3 m\u1ed9t \u00edt r\u1ec9 s\u00e9t tr\u00ean b\u1ec1 m\u1eb7t, h\u01a1i \u0111\u1ed5i m\u00e0u, ren c\u00f3 \u0111\u1ec9nh s\u1eafc n\u00e9t v\u00e0 s\u1ea1ch s\u1ebd. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 <strong>L\u1ec1:<\/strong> M\u1ed9t ho\u1eb7c hai \u0111\u1ec9nh ren b\u1ecb h\u01b0 h\u1ecfng \u2014 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c v\u1edbi c\u00e1c l\u1edbp PTFE b\u1ed5 sung. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 <strong>Thay th\u1ebf \u0111o\u1ea1n \u1ed1ng:<\/strong> Ren b\u1ecb l\u1ec7ch, \u0103n m\u00f2n r\u1ed7 s\u00e2u h\u01a1n ch\u00e2n ren, ho\u1eb7c c\u00f3 h\u01a1n 2 \u0111\u1ec9nh ren b\u1ecb h\u01b0 h\u1ecfng li\u00ean ti\u1ebfp. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi \u1ed1ng th\u00e9p m\u1ea1 k\u1ebdm c\u00f3 tu\u1ed5i \u0111\u1eddi h\u01a1n 20 n\u0103m, h\u00e3y d\u00f9ng que nh\u1ecdn ki\u1ec3m tra ph\u1ea7n ch\u00e2n ren \u2013 n\u1ebfu kim lo\u1ea1i m\u1ec1m ho\u1eb7c b\u1ecb bong tr\u00f3c, th\u00e0nh \u1ed1ng \u0111\u00e3 b\u1ecb \u0103n m\u00f2n ho\u00e0n to\u00e0n v\u00e0 c\u1ea7n ph\u1ea3i thay th\u1ebf b\u1ea5t k\u1ec3 b\u1ec1 ngo\u00e0i tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 5: B\u00f4i ch\u1ea5t b\u1ecbt k\u00edn ren<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-1200x800.png\" alt=\"\u00c1p d\u1ee5ng ch\u1ea5t b\u1ecbt k\u00edn ren\" class=\"wp-image-797\" style=\"width:186px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-1200x800.png 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-500x333.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-300x200.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-768x512.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-18x12.png 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-113x75.png 113w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-480x320.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7-800x533.png 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-7.png 1536w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Qu\u1ea5n b\u0103ng PTFE theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 (khi nh\u00ecn t\u1eeb \u0111\u1ea7u ren) ch\u1ec9 quanh c\u00e1c ren ngo\u00e0i \u2014 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng qu\u1ea5n quanh ren trong. B\u1eaft \u0111\u1ea7u t\u1eeb v\u1ecb tr\u00ed c\u00e1ch \u0111\u1ea7u ren 1-2 b\u01b0\u1edbc ren v\u00e0 qu\u1ea5n 3-4 l\u1edbp v\u1edbi l\u1ef1c c\u0103ng nh\u1eb9, \u0111\u1ea3m b\u1ea3o m\u1ed7i l\u1edbp qu\u1ea5n ch\u1ed3ng l\u00ean l\u1edbp tr\u01b0\u1edbc \u0111\u00f3 kho\u1ea3ng 50%. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u0103ng keo PTFE so v\u1edbi ch\u1ea5t l\u00e0m k\u00edn ren \u2014 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i:<\/strong> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 <strong>B\u0103ng keo PTFE:<\/strong> Th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 l\u00e0m s\u1ea1ch c\u00e1c ren m\u1edbi, \u0111\u01b0\u1eddng d\u1eabn n\u01b0\u1edbc v\u00e0 kh\u00ed, l\u1eafp r\u00e1p nhanh ch\u00f3ng. S\u1eed d\u1ee5ng b\u0103ng keo tr\u1eafng cho \u0111\u01b0\u1eddng d\u1eabn n\u01b0\u1edbc; b\u0103ng keo v\u00e0ng chuy\u00ean d\u1ee5ng cho \u0111\u01b0\u1eddng d\u1eabn kh\u00ed (b\u0103ng keo tr\u1eafng tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng cho \u0111\u01b0\u1eddng d\u1eabn kh\u00ed). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 <strong>Keo d\u00e1n ren (v\u00ed d\u1ee5: Rectorseal, Megaloc):<\/strong> S\u1ea3n ph\u1ea9m n\u00e0y hi\u1ec7u qu\u1ea3 h\u01a1n tr\u00ean c\u00e1c ren c\u0169 ho\u1eb7c \u0111\u00e3 m\u00f2n, cung c\u1ea5p kh\u1ea3 n\u0103ng l\u00e0m k\u00edn t\u1ed1t h\u01a1n tr\u00ean c\u00e1c \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n (1,5 inch tr\u1edf l\u00ean), t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u \u1ed1ng h\u01a1n, bao g\u1ed3m c\u1ea3 PVC v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9. Ch\u1ec9 s\u1eed d\u1ee5ng cho ren ngo\u00e0i v\u00e0 ch\u1edd th\u1eddi gian kh\u00f4 do nh\u00e0 s\u1ea3n xu\u1ea5t quy \u0111\u1ecbnh tr\u01b0\u1edbc khi t\u1ea1o \u00e1p su\u1ea5t. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 <strong>Kh\u00f4ng n\u00ean k\u1ebft h\u1ee3p c\u1ea3 hai<\/strong> T\u1ea1i c\u00f9ng m\u1ed9t kh\u1edbp n\u1ed1i \u2014 \u0111\u1ed9 d\u00e0y k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng kh\u1edbp qu\u00e1 m\u1ee9c v\u00e0 l\u00e0m n\u1ee9t th\u00e2n van \u1edf c\u00e1c k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 6: L\u1eafp van bi ren<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-1200x800.png\" alt=\"L\u1eafp \u0111\u1eb7t van bi ren\" class=\"wp-image-798\" style=\"width:318px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-1200x800.png 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-500x333.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-300x200.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-768x512.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-18x12.png 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-113x75.png 113w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-480x320.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8-800x533.png 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-8.png 1536w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra c\u00e1c c\u1ed5ng v\u00e0 ren van m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng c\u00f3 m\u1ea3nh v\u1ee5n. V\u1eadn h\u00e0nh van t\u1eeb v\u1ecb tr\u00ed m\u1edf ho\u00e0n to\u00e0n \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u00f3ng ho\u00e0n to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u0103n ch\u1ec9nh van v\u1edbi ren \u1ed1ng c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh ren ch\u00e9o. Kh\u1edbp n\u1ed1i ren ngo\u00e0i ph\u1ea3i th\u1eb3ng h\u00e0ng v\u1edbi tr\u1ee5c c\u1ee7a l\u1ed7 ren tr\u00ean van. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y si\u1ebft ch\u1eb7t van v\u00e0o \u1ed1ng b\u1eb1ng tay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7t m\u1ed9t c\u1edd l\u00ea v\u00e0o \u0111\u1ea7u van g\u1ea7n nh\u1ea5t v\u1edbi \u0111i\u1ec3m n\u1ed1i c\u1ea7n si\u1ebft ch\u1eb7t. D\u00f9ng c\u1edd l\u00ea th\u1ee9 hai tr\u00ean \u1ed1ng \u0111\u1ec3 si\u1ebft ch\u1eb7t ho\u00e0n to\u00e0n. Xoay cho \u0111\u1ebfn khi b\u1ea1n c\u1ea3m th\u1ea5y kh\u1edbp n\u1ed1i b\u1eaft \u0111\u1ea7u kh\u00edt ch\u1eb7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u01b0\u1edbng d\u1eabn si\u1ebft ch\u1eb7t <\/strong>(ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh c\u00e0i \u0111\u1eb7t MSS SP-110):<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><tbody><tr><td>K\u00edch c\u1ee1<\/td><td>Si\u1ebft ch\u1eb7t b\u1eb1ng tay + xoay<\/td><td>S\u1ef1 tham gia c\u1ee7a s\u1ee3i ch\u1ec9<\/td><\/tr><tr><td>\u00bd\u201d \u2013 1\u2033<\/td><td>1,5 \u2013 3 v\u00f2ng<\/td><td>3,5 \u2013 6 s\u1ee3i<\/td><\/tr><tr><td>1\u00bc\u201d \u2013 2\u2033<\/td><td>1 \u2013 2,5 v\u00f2ng<\/td><td>3,5 \u2013 5 s\u1ee3i<\/td><\/tr><tr><td>2\u00bd\u201d tr\u1edf l\u00ean<\/td><td>1 \u2013 2 l\u01b0\u1ee3t<\/td><td>3 \u2013 4 s\u1ee3i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eebng l\u1ea1i khi l\u1ef1c c\u1ea3n t\u0103ng m\u1ea1nh v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u1edd l\u00ea tr\u1edf n\u00ean t\u1ed1i thi\u1ec3u. Kh\u00f4ng s\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c v\u01b0\u1ee3t qu\u00e1 c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u2014 si\u1ebft qu\u00e1 ch\u1eb7t \u0111\u1ed1i v\u1edbi van b\u1eb1ng \u0111\u1ed3ng thau c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t th\u00e2n van t\u1ea1i ch\u00e2n ren, v\u00e0 \u0111\u1ed1i v\u1edbi van c\u00f3 gio\u0103ng PTFE, n\u00f3 s\u1ebd l\u00e0m bi\u1ebfn d\u1ea1ng l\u1ed7 bi v\u00e0 l\u00e0m t\u0103ng m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh v\u0129nh vi\u1ec5n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c n\u1edbi l\u1ecfng \u0111\u1ec3 c\u0103n ch\u1ec9nh tay c\u1ea7m. N\u1ebfu vi\u1ec7c c\u0103n ch\u1ec9nh l\u00e0 r\u1ea5t quan tr\u1ecdng (v\u00ed d\u1ee5: \u0111\u1ed1i v\u1edbi van g\u1eafn tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n), h\u00e3y s\u1eed d\u1ee5ng kh\u1edbp n\u1ed1i ren \u1edf ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb van m\u00e0 kh\u00f4ng l\u00e0m \u0111\u1ea3o ng\u01b0\u1ee3c ren.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 7: Ki\u1ec3m tra r\u00f2 r\u1ec9<\/strong><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-1200x800.png\" alt=\"Ki\u1ec3m tra r\u00f2 r\u1ec9\" class=\"wp-image-799\" style=\"width:264px;height:auto\" srcset=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-1200x800.png 1200w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-500x333.png 500w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-300x200.png 300w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-768x512.png 768w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-18x12.png 18w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-113x75.png 113w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-480x320.png 480w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9-800x533.png 800w, https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/10\/image-9.png 1536w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4i ph\u1ee5c \u00e1p su\u1ea5t t\u1eeb t\u1eeb \u2014 m\u1edf van c\u1ea5p ch\u00ednh kh\u00f4ng qu\u00e1 m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng v\u00e0 ch\u1edd 60 gi\u00e2y tr\u01b0\u1edbc khi m\u1edf th\u00eam. Vi\u1ec7c t\u0103ng \u00e1p su\u1ea5t nhanh c\u00f3 th\u1ec3 g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc \u1edf m\u1ed1i n\u1ed1i ren m\u1edbi tr\u01b0\u1edbc khi ch\u1ea5t l\u00e0m k\u00edn \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra theo th\u1ee9 t\u1ef1 b\u1ed1n \u0111i\u1ec3m r\u00f2 r\u1ec9: (1) ren th\u00e2n van v\u1edbi \u1ed1ng \u1edf ph\u00eda \u0111\u1ea7u v\u00e0o, (2) ren th\u00e2n van v\u1edbi \u1ed1ng \u1edf ph\u00eda \u0111\u1ea7u ra, (3) v\u00f2ng \u0111\u1ec7m tr\u1ee5c (\u0111ai \u1ed1c \u1edf \u0111\u00e1y tay c\u1ea7m), (4) kh\u1edbp n\u1ed1i th\u00e2n van (\u0111\u01b0\u1eddng n\u1ed1i xung quanh gi\u1eefa van 2 m\u1ea3nh).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y \u0111\u00f3ng m\u1edf van ba l\u1ea7n, t\u1eeb tr\u1ea1ng th\u00e1i m\u1edf ho\u00e0n to\u00e0n \u0111\u1ebfn tr\u1ea1ng th\u00e1i \u0111\u00f3ng ho\u00e0n to\u00e0n \u2014 hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 \u0111\u00f4i khi ch\u1ec9 xu\u1ea5t hi\u1ec7n khi c\u00f3 d\u00f2ng ch\u1ea3y ho\u1eb7c khi qu\u1ea3 c\u1ea7u van d\u1ecbch chuy\u1ec3n v\u1ecb tr\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 t\u1ea1i m\u1ed1i n\u1ed1i ren: si\u1ebft ch\u1eb7t t\u1ed1i \u0111a \u00bc v\u00f2ng v\u00e0 ki\u1ec3m tra l\u1ea1i. N\u1ebfu v\u1eabn ti\u1ebfp t\u1ee5c r\u00f2 r\u1ec9 sau hai l\u1ea7n th\u1eed, h\u00e3y th\u00e1o r\u1eddi, lo\u1ea1i b\u1ecf h\u1ebft ch\u1ea5t l\u00e0m k\u00edn, d\u00e1n l\u1ea1i b\u0103ng keo v\u00e0 l\u1eafp \u0111\u1eb7t l\u1ea1i \u2014 kh\u00f4ng si\u1ebft ch\u1eb7t qu\u00e1 m\u1ee9c h\u01b0\u1edbng d\u1eabn trong B\u01b0\u1edbc 6.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p: th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t th\u1ee7y t\u0129nh \u1edf m\u1ee9c 1,5 l\u1ea7n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c trong 15 ph\u00fat, ho\u1eb7c th\u1eed nghi\u1ec7m kh\u00ed n\u00e9n \u1edf m\u1ee9c 1,1 l\u1ea7n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c theo y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n ASME B31.3, tr\u01b0\u1edbc khi \u0111\u01b0a \u0111\u01b0\u1eddng \u1ed1ng tr\u1edf l\u1ea1i ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00e1ch l\u1eafp van bi ren v\u00e0o \u1ed1ng \u0111\u1ed3ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eafp van bi ren v\u00e0o c\u00e1c k\u1ebft n\u1ed1i \u1ed1ng \u0111\u1ed3ng b\u1eb1ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ren \u0111\u1ef1c h\u00e0n v\u00e0o \u0111\u1ea7u \u1ed1ng \u0111\u1ed3ng. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ea1o ra \u0111i\u1ec3m k\u1ebft n\u1ed1i ren cho van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0m s\u1ea1ch v\u00e0 tr\u00e1ng keo \u0111\u1ea7u \u1ed1ng \u0111\u1ed3ng. H\u00e0n \u0111\u1ea7u n\u1ed1i ren \u0111\u1ef1c v\u00e0o \u1ed1ng \u0111\u1ed3ng theo \u0111\u00fang k\u1ef9 thu\u1eadt h\u00e0n. \u0110\u1ec3 m\u1ed1i h\u00e0n ngu\u1ed9i ho\u00e0n to\u00e0n tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi l\u1eafp \u0111\u1eb7t v\u00e0 l\u00e0m ngu\u1ed9i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, h\u00e3y l\u00e0m theo quy tr\u00ecnh l\u1eafp \u0111\u1eb7t van bi ren ti\u00eau chu\u1ea9n. B\u00f4i keo b\u1ecbt k\u00edn ren v\u00e0 d\u00f9ng hai c\u1edd l\u00ea \u0111\u1ec3 l\u1eafp van v\u00e0o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u1ed1ng \u0111\u1ed3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00e1ch th\u00e1o van bi kh\u1ecfi \u1ed1ng ren \u0111\u1ed3ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 th\u00e1o van bi kh\u1ecfi \u1ed1ng ren \u0111\u1ed3ng, h\u00e3y s\u1eed d\u1ee5ng hai c\u1edd l\u00ea nh\u01b0 \u0111\u00e3 m\u00f4 t\u1ea3 \u1edf tr\u00ean. \u0110\u1eb7t m\u1ed9t c\u1edd l\u00ea v\u00e0o th\u00e2n van v\u00e0 c\u1edd l\u00ea c\u00f2n l\u1ea1i v\u00e0o \u0111\u1ea7u n\u1ed1i ren b\u1eb1ng \u0111\u1ed3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xoay van ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 trong khi gi\u1eef c\u1ed1 \u0111\u1ecbnh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh g\u00e2y \u00e1p l\u1ef1c l\u00ean m\u1ed1i h\u00e0n gi\u1eefa \u1ed1ng \u0111\u1ed3ng v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. N\u1ebfu b\u1ed9 chuy\u1ec3n \u0111\u1ed5i xoay c\u00f9ng v\u1edbi van, m\u1ed1i h\u00e0n c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi van b\u1ecb k\u1eb9t v\u0129nh vi\u1ec5n, h\u00e3y tra d\u1ea7u th\u1ea5m v\u00e0o ren van v\u00e0 \u0111\u1ee3i 15-30 ph\u00fat tr\u01b0\u1edbc khi th\u00e1o. Nhi\u1ec7t c\u00f3 th\u1ec3 gi\u00fap \u00edch nh\u01b0ng c\u00f3 nguy c\u01a1 l\u00e0m h\u1ecfng \u0111\u1ebf PTFE trong van.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>T\u00f4i c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i van bi kh\u00ed FIP v\u1edbi ren \u1ed1ng kh\u00f4ng?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u26a0 L\u01b0u \u00fd an to\u00e0n: Vi\u1ec7c thi c\u00f4ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh ch\u1eb7t ch\u1ebd \u1edf h\u1ea7u h\u1ebft c\u00e1c khu v\u1ef1c ph\u00e1p l\u00fd v\u00e0 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u th\u1ee3 l\u1eafp \u0111\u1eb7t ho\u1eb7c th\u1ee3 s\u1eeda \u1ed1ng n\u01b0\u1edbc c\u00f3 gi\u1ea5y ph\u00e9p. Lu\u00f4n ki\u1ec3m tra c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh. Kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda tr\u1ea7n \u0111\u1ec3 ki\u1ec3m tra r\u00f2 r\u1ec9 \u2014 ch\u1ec9 s\u1eed d\u1ee5ng dung d\u1ecbch ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 kh\u00ed ho\u1eb7c m\u00e1y d\u00f2 \u0111i\u1ec7n t\u1eed \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i van bi kh\u00ed FIP v\u1edbi ren \u1ed1ng khi lo\u1ea1i ren ph\u00f9 h\u1ee3p. Ren FIP (\u1ed1ng s\u1eaft c\u00e1i) kh\u1edbp v\u1edbi ren NPT (\u1ed1ng c\u00f4n qu\u1ed1c gia) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng kh\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a ren tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t. Ren NPT v\u00e0 BSPT kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau m\u1eb7c d\u00f9 c\u00f3 v\u1ebb ngo\u00e0i t\u01b0\u01a1ng t\u1ef1. Vi\u1ec7c s\u1eed d\u1ee5ng ren kh\u00f4ng kh\u1edbp nhau c\u00f3 th\u1ec3 g\u00e2y r\u00f2 r\u1ec9 v\u00e0 nguy hi\u1ec3m cho an to\u00e0n trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u1ee9ng d\u1ee5ng d\u1eabn kh\u00ed y\u00eau c\u1ea7u b\u0103ng keo PTFE m\u00e0u v\u00e0ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ph\u00f9 h\u1ee3p cho d\u1ecbch v\u1ee5 d\u1eabn kh\u00ed ho\u1eb7c h\u1ee3p ch\u1ea5t ren \u1ed1ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t. B\u0103ng keo PTFE m\u00e0u tr\u1eafng ti\u00eau chu\u1ea9n kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ph\u00f9 h\u1ee3p cho d\u1eabn kh\u00ed v\u00e0 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u1ea1n c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa th\u00e2n van bi c\u00f3 ren hay thay th\u1ebf lu\u00f4n l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1eeda ch\u1eefa th\u00e2n ren van bi kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i van d\u00e2n d\u1ee5ng th\u00f4ng th\u01b0\u1eddng. Chi ph\u00ed v\u00e0 c\u00f4ng s\u1ee9c th\u00e1o r\u1eddi, t\u00ecm ngu\u1ed3n cung \u1ee9ng linh ki\u1ec7n v\u00e0 l\u1eafp r\u00e1p l\u1ea1i th\u01b0\u1eddng cao h\u01a1n chi ph\u00ed thay th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi ren hai m\u1ea3nh c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng th\u00e2n v\u00e0 \u0111u\u00f4i van trong qu\u00e1 tr\u00ecnh th\u00e1o r\u1eddi. Vi\u1ec7c c\u1ed1 g\u1eafng s\u1eeda ch\u1eefa c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh v\u00e0 ph\u00e1t sinh tr\u00e1ch nhi\u1ec7m ph\u00e1p l\u00fd n\u1ebfu van \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay th\u1ebf van b\u1ecb h\u1ecfng b\u1eb1ng van m\u1edbi \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t hi\u1ec7n h\u00e0nh. <a href=\"https:\/\/www.ykyvalve.com\/vi\/quality\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/a> v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a \u00e1p su\u1ea5t, r\u00f2 r\u1ec9 gh\u1ebf v\u00e0 m\u00f4-men xo\u1eafn ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc khi giao h\u00e0ng. \u0110i\u1ec1u n\u00e0y <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/comprehensive-valve-testing-and-quality-assurance-a-guide-to-reliable-performance\/\" target=\"_blank\" rel=\"noreferrer noopener\">qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m v\u00e0 x\u00e1c minh<\/a> ph\u00e1t hi\u1ec7n nh\u1eefng khi\u1ebfm khuy\u1ebft m\u00e0 vi\u1ec7c s\u1eeda ch\u1eefa t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c.<br><\/p>\n\n\n\n<!-- 2PC Thread Ball Valve | \u7d27\u51d1\u6a2a\u5411\u5361\u7247 | \u7c98\u8d34\u5230 WP > \u81ea\u5b9a\u4e49HTML\u5757 -->\n<style>\n.ykc2{font-family:Arial,sans-serif;max-width:820px;margin:1.5rem auto;display:grid;grid-template-columns:160px 1fr auto;gap:0;border:1px solid #ddd;background:#fff;align-items:stretch;}\n.ykc2 *{box-sizing:border-box;}\n.ykc2-img{background:#f5f5f3;display:flex;align-items:center;justify-content:center;padding:1rem;}\n.ykc2-img img{width:120px;height:120px;object-fit:contain;display:block;}\n.ykc2-body{padding:1rem 1.2rem;border-left:1px solid #eee;}\n.ykc2-title{font-size:1rem;font-weight:700;color:#1a1a18;margin:0 0 0.3rem;}\n.ykc2-desc{font-size:0.78rem;color:#666;line-height:1.5;margin:0 0 0.7rem;}\n.ykc2-params{display:flex;flex-wrap:wrap;gap:4px 12px;}\n.ykc2-param{font-size:0.72rem;color:#444;}\n.ykc2-param span{color:#888;margin-right:3px;}\n.ykc2-action{padding:1rem 1.2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-left:1px solid #eee;background:#fafaf8;min-width:130px;}\n.ykc2-btn{display:inline-block;background:#c8560a;color:#fff;text-decoration:none;font-size:0.75rem;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;padding:0.5rem 1rem;white-space:nowrap;}\n.ykc2-btn:hover{background:#a34208;color:#fff;}\n.ykc2-cat{font-size:0.68rem;color:#aaa;text-align:center;}\n@media(max-width:580px){\n  .ykc2{grid-template-columns:1fr;}\n  .ykc2-img{padding:1rem;min-height:140px;}\n  .ykc2-body,.ykc2-action{border-left:none;border-top:1px solid #eee;}\n  .ykc2-action{flex-direction:row;justify-content:space-between;}\n}\n<\/style>\n\n<div class=\"ykc2\">\n  <div class=\"ykc2-img\">\n    <img decoding=\"async\" src=\"https:\/\/www.ykyvalve.com\/wp-content\/uploads\/2025\/07\/2PC-THREAD-BALL-VALVE.webp\" alt=\"Van bi ren 2PC\">\n  <\/div>\n  <div class=\"ykc2-body\">\n    <p class=\"ykc2-title\">Van bi ren 2PC<\/p>\n    <p class=\"ykc2-desc\">Thi\u1ebft k\u1ebf hai m\u1ea3nh gi\u00fap d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 k\u00edn kh\u00edt. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd n\u01b0\u1edbc, h\u1ec7 th\u1ed1ng HVAC v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng h\u00f3a d\u1ea7u nh\u1edd kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p l\u1ef1c v\u00e0 ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi.<\/p>\n    <div class=\"ykc2-params\">\n      <div class=\"ykc2-param\"><span>K\u00edch c\u1ee1<\/span>DN6\u2013DN100<\/div>\n      <div class=\"ykc2-param\"><span>\u00c1p l\u1ef1c<\/span>PN16\u2013PN64<\/div>\n      <div class=\"ykc2-param\"><span>Th\u00e2n h\u00ecnh<\/span>CF8 \/ CF8M \/ WCB<\/div>\n      <div class=\"ykc2-param\"><span>Gh\u1ebf<\/span>PTFE \/ RPTFE \/ PEEK<\/div>\n      <div class=\"ykc2-param\"><span>S\u1ef1 li\u00ean quan<\/span>G \/ NPT \/ BSPT \/ BSP \/ RC \/ RP<\/div>\n      <div class=\"ykc2-param\"><span>Nhi\u1ec7t \u0111\u1ed9<\/span>-29\u00b0C \u0111\u1ebfn 121\u00b0C<\/div>\n    <\/div>\n  <\/div>\n  <div class=\"ykc2-action\">\n    <a class=\"ykc2-btn\" href=\"\/vi\/contact\/\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a>\n    <span class=\"ykc2-cat\">Van bi<\/span>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>H\u01b0\u1edbng van v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi ren \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong h\u1ec7 th\u1ed1ng \u1ed1ng th\u1eb3ng \u0111\u1ee9ng ho\u1eb7c n\u1eb1m ngang. Ch\u00fang l\u00e0 lo\u1ea1i van hai chi\u1ec1u, do \u0111\u00f3 h\u01b0\u1edbng d\u00f2ng ch\u1ea3y kh\u00f4ng quan tr\u1ecdng. Tuy nhi\u00ean, h\u00e3y \u0111\u1eb7t tay c\u1ea7m van h\u01b0\u1edbng theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y n\u1ebfu c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eafp \u0111\u1eb7t van v\u1edbi th\u00e2n van h\u01b0\u1edbng l\u00ean tr\u00ean b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3. L\u1eafp \u0111\u1eb7t ng\u01b0\u1ee3c khi\u1ebfn b\u1ee5i b\u1ea9n t\u00edch t\u1ee5 \u1edf \u0111\u1ec7m th\u00e2n van, d\u1eabn \u0111\u1ebfn m\u00f2n s\u1edbm. Vi\u1ec7c l\u1ec7ch kh\u1ecfi h\u01b0\u1edbng th\u00e2n van th\u1eb3ng \u0111\u1ee9ng l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c nh\u01b0ng c\u1ea7n c\u00e2n nh\u1eafc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ed7 tr\u1ee3 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh g\u00e2y \u00e1p l\u1ef1c l\u00ean th\u00e2n van. Gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng, ph\u1ee5 ki\u1ec7n, van v\u00e0 v\u1eadt ch\u1ee9a b\u00ean trong. Vi\u1ec7c h\u1ed7 tr\u1ee3 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 s\u1ebd l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng k\u1ebft c\u1ea5u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Nh\u1eefng l\u1ed7i c\u00e0i \u0111\u1eb7t th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1a tr\u00ean ph\u00e2n t\u00edch l\u1ed7i th\u1ef1c t\u1ebf v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng, \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i c\u00e0i \u0111\u1eb7t th\u01b0\u1eddng g\u1eb7p nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i ghi nh\u1eadn \u2014 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng theo m\u1ee9c \u0111\u1ed9 th\u01b0\u1eddng xuy\u00ean g\u00e2y ra s\u1ef1 c\u1ed1 ph\u1ea3i g\u1ecdi l\u1ea1i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t c\u1edd l\u00ea trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t s\u1ebd g\u00e2y \u00e1p l\u1ef1c l\u00ean kh\u1edbp n\u1ed1i th\u00e2n van. Lu\u00f4n s\u1eed d\u1ee5ng hai c\u1edd l\u00ea \u0111\u1ec3 c\u00e1ch ly m\u00f4-men xo\u1eafn khi l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si\u1ebft ch\u1eb7t c\u00e1c k\u1ebft n\u1ed1i qu\u00e1 m\u1ee9c s\u1ebd l\u00e0m bi\u1ebfn d\u1ea1ng c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong van v\u00e0 c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t th\u00e2n van. H\u00e3y tu\u00e2n th\u1ee7 h\u01b0\u1edbng d\u1eabn v\u1ec1 s\u1ed1 v\u00f2ng quay d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c n\u1edbi l\u1ecfng c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng s\u1ebd l\u00e0m gi\u1ea3m \u0111\u1ed9 k\u00edn. H\u00e3y c\u00e2n b\u1eb1ng trong qu\u00e1 tr\u00ecnh si\u1ebft ch\u1eb7t ban \u0111\u1ea7u thay v\u00ec \u0111\u1ea3o ng\u01b0\u1ee3c v\u00f2ng quay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u1edd l\u00ea \u1ed1ng tr\u1ef1c ti\u1ebfp tr\u00ean van \u0111\u1ed3ng thau ho\u1eb7c \u0111\u1ed3ng thau s\u1ebd l\u00e0m h\u1ecfng kim lo\u1ea1i m\u1ec1m h\u01a1n. S\u1eed d\u1ee5ng c\u1edd l\u00ea c\u00f3 h\u00e0m tr\u01a1n tr\u00ean th\u00e2n van v\u00e0 ch\u1ec9 s\u1eed d\u1ee5ng c\u1edd l\u00ea \u1ed1ng tr\u00ean \u1ed1ng th\u00e9p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c thay th\u1ebf van bi ren m\u1ea5t kho\u1ea3ng 30-60 ph\u00fat v\u1edbi d\u1ee5ng c\u1ee5 ph\u00f9 h\u1ee3p v\u00e0 k\u1ef9 thu\u1eadt hai c\u1edd l\u00ea. Ph\u01b0\u01a1ng ph\u00e1p hai c\u1edd l\u00ea b\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a th\u00e2n van trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 th\u00e1o d\u1ee1. Vi\u1ec7c chu\u1ea9n b\u1ecb ren v\u00e0 s\u1eed d\u1ee5ng keo tr\u00e1m \u0111\u00fang c\u00e1ch gi\u00fap ng\u0103n ng\u1eeba r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0 nh\u00e0 cung c\u1ea5p van bi ren Trung Qu\u1ed1c, <a href=\"https:\/\/www.ykyvalve.com\/vi\/about\/\" target=\"_blank\" rel=\"noreferrer noopener\">YKY Valve s\u1ea3n xu\u1ea5t<\/a> van c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb DN6 \u0111\u1ebfn DN100 v\u1edbi NPT, BSP v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n ren kh\u00e1c. <a href=\"https:\/\/www.ykyvalve.com\/vi\/product\/2pc-thread-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van bi ren 2PC<\/a> c\u00f3 thi\u1ebft k\u1ebf hai m\u1ea3nh \u0111\u1ec3 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u1edbi gh\u1ebf PTFE v\u00e0 <a href=\"https:\/\/www.ykyvalve.com\/vi\/blog\/ball-valves\/when-to-use-stainless-steel-ball-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">th\u00e9p kh\u00f4ng g\u1ec9<\/a> ho\u1eb7c th\u00e2n th\u00e9p cacbon. Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc van v\u00e0 lo\u1ea1i ren ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n thay th\u1ebf c\u1ee7a b\u1ea1n.<\/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-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.ykyvalve.com\/vi\/contact-us\/\" style=\"color:#fffbfb;background-color:#f6771c\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>To replace a threaded ball valve: shut off the water supply, drain the line, then remove the old valve using two wrenches \u2014 one on the<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65,59],"tags":[],"class_list":["post-792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ball-valves","category-blog"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/comments?post=792"}],"version-history":[{"count":6,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/792\/revisions"}],"predecessor-version":[{"id":1374,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/792\/revisions\/1374"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media\/801"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/categories?post=792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/tags?post=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}