Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng k\u00edn kh\u00edt c\u1ee7a van<\/h2>\n\n\n\n
Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng k\u00edn kh\u00edt c\u1ee7a van. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng kh\u00f4ng k\u00edn.<\/p>\n\n\n\n
Ki\u1ec3m tra th\u00e2n van xem c\u00f3 b\u1ecb m\u00f2n, n\u1ee9t, bi\u1ebfn d\u1ea1ng hay \u0103n m\u00f2n hay kh\u00f4ng. C\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa \u0111\u0129a van v\u00e0 \u0111\u1ebf van; c\u00e1c v\u1ebft l\u00f5m v\u00e0 tr\u1ea7y x\u01b0\u1edbc tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng n\u00e0y l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 \u0111\u00f3ng van.<\/p>\n\n\n\n
Ngo\u00e0i ra, h\u00e3y ki\u1ec3m tra xem c\u00f3 r\u00f2 r\u1ec9 t\u1ea1i h\u1ed9p \u0111\u1ec7m hay kh\u00f4ng. B\u1ea5t k\u1ef3 hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 n\u00e0o c\u0169ng cho th\u1ea5y \u0111\u1ec7m b\u1ecb h\u1ecfng, th\u01b0\u1eddng do l\u00e3o h\u00f3a, m\u00e0i m\u00f2n ho\u1eb7c l\u1ef1c n\u00e9n kh\u00f4ng \u0111\u1ee7, ph\u1ea3n \u00e1nh hi\u1ec7u su\u1ea5t \u0111\u00f3ng van kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n\n\n
![\"con](\"https:\/\/www.xvs-valve.com\/wp-content\/uploads\/2026\/06\/Butterfly-valve-seal-2.jpg\")
Th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t (Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 k\u00edn c\u1ee7a van l\u00f5i)<\/h2>\n\n\n\n
Th\u1eed nghi\u1ec7m \u00e1p l\u1ef1c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ed1t l\u00f5i v\u00e0 c\u00f3 t\u00ednh x\u00e1c th\u1ef1c cao \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00f3ng k\u00edn c\u1ee7a van, bao g\u1ed3m th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ed9 k\u00edn, ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i van c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n
Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n van<\/h3>\n\n\n\n
Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, bao g\u1ed3m vi\u1ec7c \u0111\u00f3ng van, b\u01a1m \u0111\u1ea7y n\u01b0\u1edbc ho\u1eb7c kh\u00ed v\u00e0o th\u00e2n van v\u00e0 duy tr\u00ec \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n trong v\u00f2ng 5\u201315 ph\u00fat. Vi\u1ec7c kh\u00f4ng ph\u00e1t hi\u1ec7n v\u1ebft n\u1ee9t, bi\u1ebfn d\u1ea1ng ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p r\u00f5 r\u1ec7t ch\u1ee9ng t\u1ecf van \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u00f3ng van c\u01a1 b\u1ea3n.<\/p>\n\n\n\n
Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n van<\/h3>\n\n\n\n
C\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 k\u00edn \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: th\u1eed nghi\u1ec7m m\u1ed9t chi\u1ec1u v\u00e0 th\u1eed nghi\u1ec7m hai chi\u1ec1u, nh\u1eb1m ki\u1ec3m tra ch\u00ednh x\u00e1c \u0111\u1ed9 k\u00edn khi \u0111\u00f3ng van \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ea5u tr\u00fac van kh\u00e1c nhau.<\/p>\n\n\n\n
- \n
- Th\u1eed nghi\u1ec7m \u0111\u1ed9 k\u00edn m\u1ed9t chi\u1ec1u:<\/strong> \u0110\u1ed1i v\u1edbi van m\u1ed9t chi\u1ec1u v\u00e0 c\u00e1c lo\u1ea1i van m\u1ed9t chi\u1ec1u kh\u00e1c. T\u1ea1o \u00e1p su\u1ea5t t\u1eeb ph\u00eda \u0111\u1ea7u v\u00e0o; n\u1ebfu kh\u00f4ng c\u00f3 r\u00f2 r\u1ec9 \u1edf \u0111\u1ea7u ra th\u00ec ch\u1ee9ng t\u1ecf van \u0111\u00f3ng k\u00edn t\u1ed1t.<\/li>\n<\/ul>\n\n\n\n
- \n
- Th\u1eed nghi\u1ec7m \u0111\u1ed9 k\u00edn hai chi\u1ec1u:<\/strong> \u0110\u1ed1i v\u1edbi van bi, van c\u1ed5ng v\u00e0 c\u00e1c lo\u1ea1i van hai chi\u1ec1u kh\u00e1c. Th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m t\u1ea1o \u00e1p l\u1ef1c t\u1eeb c\u1ea3 hai ph\u00eda. N\u1ebfu kh\u00f4ng c\u00f3 r\u00f2 r\u1ec9 \u1edf b\u1ea5t k\u1ef3 ph\u00eda n\u00e0o ho\u1eb7c t\u1ea1i h\u1ed9p \u0111\u1ec7m, \u0111i\u1ec1u \u0111\u00f3 ch\u1ee9ng t\u1ecf van hai chi\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00f3ng k\u00edn \u0111\u1ea1t y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n bong b\u00f3ng<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi van<\/a> Tr\u00ean c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng \u00e1p su\u1ea5t th\u1ea5p, van c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong n\u01b0\u1edbc, \u0111\u00f3ng l\u1ea1i, sau \u0111\u00f3 \u0111\u01b0a kh\u00ed n\u00e9n v\u00e0o th\u00e2n van. Quan s\u00e1t xem c\u00f3 b\u1ecdt kh\u00ed xu\u1ea5t hi\u1ec7n xung quanh van hay kh\u00f4ng. S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a b\u1ecdt kh\u00ed cho th\u1ea5y c\u00f3 r\u00f2 r\u1ec9 v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m k\u00edn k\u00e9m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i van nh\u01b0 van c\u1ed5ng, van bi, van b\u01b0\u1edbm, v.v., c\u00f3 \u00e1p su\u1ea5t danh \u0111\u1ecbnh kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1,6 MPa v\u00e0 \u0111\u01b0\u1eddng k\u00ednh danh \u0111\u1ecbnh kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 400 mm.<\/p>\n\n\n\n
Ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 b\u1eb1ng s\u00f3ng si\u00eau \u00e2m<\/h3>\n\n\n\n
C\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n b\u1eb1ng s\u00f3ng si\u00eau \u00e2m cho ph\u00e9p th\u1ef1c hi\u1ec7n ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y tr\u1ef1c tuy\u1ebfn. R\u00f2 r\u1ec9 t\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3ng van t\u1ea1o ra c\u00e1c t\u00edn hi\u1ec7u s\u00f3ng si\u00eau \u00e2m \u0111\u1eb7c tr\u01b0ng khi ch\u1ecbu \u00e1p su\u1ea5t. C\u00e1c thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed r\u00f2 r\u1ec9 v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 h\u01b0 h\u1ecfng m\u00e0 kh\u00f4ng c\u1ea7n ng\u1eebng s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n s\u1ee5t \u00e1p<\/h3>\n\n\n\n
C\u00e1c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc v\u00e0 sau van. Khi van \u0111\u00f3ng, s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t tr\u01b0\u1edbc v\u00e0 sau van s\u1ebd \u0111\u01b0\u1ee3c theo d\u00f5i. N\u1ebfu s\u1ef1 s\u1ee5t \u00e1p v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 cho th\u1ea5y hi\u1ec7u su\u1ea5t l\u00e0m k\u00edn k\u00e9m v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng g\u00e2y ra s\u1ef1 s\u1ee5t \u00e1p. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ch\u1ea5t l\u1ecfng, do \u0111\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 ph\u00e2n t\u00edch v\u00e0 \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n.<\/p>\n\n\n
\n![\"\"](\"https:\/\/www.xvs-valve.com\/wp-content\/uploads\/2026\/06\/Stress-Testing-1024x683.jpg\")
Ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/figcaption><\/figure>\n<\/div>\n\n\n \u1ed4n \u0111\u1ecbnh kh\u1ea3 n\u0103ng k\u00edn c\u1ee7a van<\/a> Hi\u1ec7u su\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ea3m b\u1ea3o cho ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 b\u1ec1n v\u1eefng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ea5t l\u1ecfng, v\u00e0 vi\u1ec7c ki\u1ec3m tra hi\u1ec7u su\u1ea5t ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c s\u1ea3n ph\u1ea9m van ch\u1ea5t l\u01b0\u1ee3ng cao. C\u00e1c lo\u1ea1i van cao c\u1ea5p, v\u1edbi quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn v\u00e0 ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t, \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u1ea5u tr\u00fac l\u00e0m k\u00edn ngay t\u1eeb g\u1ed1c, t\u1eeb \u0111\u00f3 gi\u00fap tr\u00e1nh hi\u1ec7u qu\u1ea3 c\u00e1c r\u1ee7i ro v\u1eadn h\u00e0nh nh\u01b0 r\u00f2 r\u1ec9 v\u00e0 h\u1ecfng h\u00f3c. Ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u, ph\u00e1t tri\u1ec3n, s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p c\u00e1c lo\u1ea1i van ch\u1ea5t l\u01b0\u1ee3ng cao. <\/p>\n\n\n\n
C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p qu\u1ed1c t\u1ebf, s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u cao c\u1ea5p v\u00e0 mang l\u1ea1i hi\u1ec7u su\u1ea5t l\u00e0m k\u00edn xu\u1ea5t s\u1eafc, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u00e1c nhau trong c\u00e1c l\u0129nh v\u1ef1c th\u1ee7y l\u1ee3i, h\u00f3a ch\u1ea5t, h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb v\u00e0 n\u0103ng l\u01b0\u1ee3ng. D\u00f9 l\u00e0 gi\u00e1 c\u1ea3 \u1ed5n \u0111\u1ecbnh, th\u1eddi gian giao h\u00e0ng \u0111\u00e1ng tin c\u1eady hay d\u1ecbch v\u1ee5 t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn tr\u01b0\u1edbc khi mua h\u00e0ng v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt sau b\u00e1n h\u00e0ng chuy\u00ean nghi\u1ec7p, ch\u00fang t\u00f4i \u0111\u1ec1u c\u00f3 th\u1ec3 cung c\u1ea5p d\u1ecbch v\u1ee5 mua s\u1eafm ch\u1ea5t l\u01b0\u1ee3ng cao tr\u1ecdn g\u00f3i. \u0110\u1ed1i v\u1edbi nhu c\u1ea7u mua s\u1eafm van v\u00e0 t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt, xin vui l\u00f2ng Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i b\u1ea5t c\u1ee9 l\u00fac n\u00e0o \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 theo y\u00eau c\u1ea7u v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt chuy\u00ean nghi\u1ec7p!<\/p>\n\n\n\n
<\/p>","protected":false},"excerpt":{"rendered":"
Valves are core control parts of fluid pipeline systems, widely used in chemical, water conservancy, energy and municipal projects. Valve tightness is a key measure of valve quality, directly affecting pipeline system safety and stability. Vacuum seal failure can lead to media leakage and pressure loss, causing material waste, environmental pollution, and in severe cases, […]<\/p>\n","protected":false},"featured_media":532,"template":"","categories":[15],"class_list":["post-527","xvs_news","type-xvs_news","status-publish","has-post-thumbnail","hentry","category-tech-insights"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.xvs-valve.com\/vi\/wp-json\/wp\/v2\/xvs_news\/527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xvs-valve.com\/vi\/wp-json\/wp\/v2\/xvs_news"}],"about":[{"href":"https:\/\/www.xvs-valve.com\/vi\/wp-json\/wp\/v2\/types\/xvs_news"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xvs-valve.com\/vi\/wp-json\/wp\/v2\/media\/532"}],"wp:attachment":[{"href":"https:\/\/www.xvs-valve.com\/vi\/wp-json\/wp\/v2\/media?parent=527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xvs-valve.com\/vi\/wp-json\/wp\/v2\/categories?post=527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- Th\u1eed nghi\u1ec7m \u0111\u1ed9 k\u00edn hai chi\u1ec1u:<\/strong> \u0110\u1ed1i v\u1edbi van bi, van c\u1ed5ng v\u00e0 c\u00e1c lo\u1ea1i van hai chi\u1ec1u kh\u00e1c. Th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m t\u1ea1o \u00e1p l\u1ef1c t\u1eeb c\u1ea3 hai ph\u00eda. N\u1ebfu kh\u00f4ng c\u00f3 r\u00f2 r\u1ec9 \u1edf b\u1ea5t k\u1ef3 ph\u00eda n\u00e0o ho\u1eb7c t\u1ea1i h\u1ed9p \u0111\u1ec7m, \u0111i\u1ec1u \u0111\u00f3 ch\u1ee9ng t\u1ecf van hai chi\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00f3ng k\u00edn \u0111\u1ea1t y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n\n\n\n