{"id":77,"date":"2021-10-04T09:16:03","date_gmt":"2021-10-04T09:16:03","guid":{"rendered":"https:\/\/ykyvalve.com\/?p=77"},"modified":"2025-09-15T08:37:31","modified_gmt":"2025-09-15T08:37:31","slug":"comprehensive-valve-testing-and-quality-assurance-a-guide-to-reliable-performance","status":"publish","type":"post","link":"https:\/\/www.ykyvalve.com\/vi\/blog\/comprehensive-valve-testing-and-quality-assurance-a-guide-to-reliable-performance\/","title":{"rendered":"Ki\u1ec3m tra van to\u00e0n di\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng: H\u01b0\u1edbng d\u1eabn v\u1ec1 hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady"},"content":{"rendered":"

Van l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1eeb d\u1ea7u kh\u00ed \u0111\u1ebfn ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 ph\u00e1t \u0111i\u1ec7n. Ch\u00fang ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, c\u00f4 l\u1eadp thi\u1ebft b\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n c\u0169ng nh\u01b0 hi\u1ec7u su\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. \u0110\u1ec3 duy tr\u00ec ti\u00eau chu\u1ea9n \u0111\u1ed9 tin c\u1eady cao, m\u1ed7i van ph\u1ea3i tr\u1ea3i qua m\u1ed9t lo\u1ea1t c\u00e1c b\u00e0i ki\u1ec3m tra nghi\u00eam ng\u1eb7t tr\u01b0\u1edbc khi \u0111\u1ebfn tay ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u00ecm hi\u1ec3u c\u00e1c quy tr\u00ecnh ki\u1ec3m tra van quan tr\u1ecdng nh\u1ea5t v\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang l\u1ea1i quan tr\u1ecdng.<\/p>\n\n\n\n

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Ki\u1ec3m tra \u00e1p su\u1ea5t: X\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea5u tr\u00fac<\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a th\u1eed nghi\u1ec7m van l\u00e0 th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t, nh\u1eb1m ch\u1ee9ng minh kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t b\u00ean trong c\u1ee7a van m\u00e0 kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9 ho\u1eb7c h\u1ecfng h\u00f3c. Hai lo\u1ea1i th\u1eed nghi\u1ec7m \u00e1p su\u1ea5t ch\u00ednh th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n:<\/p>\n\n\n\n

Ki\u1ec3m tra th\u1ee7y t\u0129nh<\/strong>
Trong th\u1eed nghi\u1ec7m th\u1ee7y t\u0129nh, khoang van \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ea7y n\u01b0\u1edbc v\u00e0 ch\u1ecbu \u00e1p su\u1ea5t th\u01b0\u1eddng g\u1ea5p 1,5 l\u1ea7n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c \u0111\u1ecbnh m\u1ee9c c\u1ee7a van. Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng l\u00e0 v\u00e0i ph\u00fat, trong khi c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean quan s\u00e1t c\u00e1c r\u00f2 r\u1ec9, bi\u1ebfn d\u1ea1ng ho\u1eb7c s\u1ee5t \u00e1p c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. Th\u1eed nghi\u1ec7m th\u1ee7y t\u0129nh r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt \u0111\u00fac v\u00e0 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c chi ti\u1ebft ch\u1ecbu \u00e1p l\u1ef1c.<\/p>\n\n\n\n

Ki\u1ec3m tra kh\u00ed n\u00e9n<\/strong>
Ki\u1ec3m tra kh\u00ed n\u00e9n s\u1eed d\u1ee5ng kh\u00f4ng kh\u00ed ho\u1eb7c kh\u00ed tr\u01a1 nh\u01b0 nit\u01a1 \u0111\u1ec3 t\u1ea1o \u00e1p su\u1ea5t l\u00ean van. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y nh\u1ea1y h\u01a1n trong vi\u1ec7c ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 nh\u1ecf v\u00ec kh\u00ed c\u00f3 th\u1ec3 tho\u00e1t ra qua c\u00e1c l\u1ed7 h\u1ed5ng nh\u1ecf d\u1ec5 d\u00e0ng h\u01a1n ch\u1ea5t l\u1ecfng. Tuy nhi\u00ean, ki\u1ec3m tra kh\u00ed n\u00e9n \u0111\u00f2i h\u1ecfi c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba b\u1ed5 sung do n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong kh\u00ed n\u00e9n.<\/p>\n\n\n\n

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Ki\u1ec3m tra ch\u1ee9c n\u0103ng: X\u00e1c nh\u1eadn ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru<\/h2>\n\n\n\n

T\u00ednh to\u00e0n v\u1eb9n \u00e1p su\u1ea5t ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh. Van c\u0169ng ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh. Ki\u1ec3m tra ch\u1ee9c n\u0103ng x\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, ph\u1edbt v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 thi\u1ebft k\u1ebf.<\/p>\n\n\n\n

V\u00ed d\u1ee5, van bi \u0111\u01b0\u1ee3c xoay t\u1eeb v\u1ecb tr\u00ed \u0111\u00f3ng ho\u00e0n to\u00e0n sang v\u1ecb tr\u00ed m\u1edf ho\u00e0n to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 m\u00f4-men xo\u1eafn qu\u00e1 m\u1ee9c, k\u1eb9t ho\u1eb7c t\u1eafc ngh\u1ebdn. Van c\u1ed5ng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh tu\u1ea7n ho\u00e0n nhi\u1ec1u l\u1ea7n \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 tr\u01a1n tru c\u1ee7a c\u1ed5ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 k\u00edn kh\u00edt khi \u0111\u00f3ng. Van \u0111i\u1ec1u khi\u1ec3n, d\u00f9 l\u00e0 \u0111i\u1ec7n hay kh\u00ed n\u00e9n, \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u1eddi gian ph\u1ea3n h\u1ed3i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

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Ki\u1ec3m tra r\u00f2 r\u1ec9: \u0110\u1ea3m b\u1ea3o ng\u1eaft ch\u1eb7t<\/h2>\n\n\n\n

Ki\u1ec3m tra r\u00f2 r\u1ec9 x\u00e1c \u0111\u1ecbnh xem van c\u00f3 th\u1ec3 \u0111\u00f3ng k\u00edn ho\u00e0n to\u00e0n khi \u0111\u00f3ng hay kh\u00f4ng. Hai lo\u1ea1i r\u00f2 r\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1:<\/p>\n\n\n\n

    \n
  • R\u00f2 r\u1ec9 b\u00ean ngo\u00e0i:<\/strong> X\u1ea3y ra khi ch\u1ea5t l\u1ecfng tho\u00e1t ra ngo\u00e0i kh\u00ed quy\u1ec3n t\u1eeb c\u00e1c kh\u1edbp n\u1ed1i th\u00e2n xe, ph\u1edbt th\u00e2n ho\u1eb7c c\u00e1c k\u1ebft n\u1ed1i n\u1eafp capo. R\u00f2 r\u1ec9 ra b\u00ean ngo\u00e0i l\u00e0 kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c.<\/li>\n\n\n\n
  • R\u00f2 r\u1ec9 gh\u1ebf:<\/strong> X\u1ea3y ra khi ch\u1ea5t l\u1ecfng \u0111i qua \u0111\u1ebf van m\u1eb7c d\u00f9 n\u00f3 \u0111\u00e3 \u0111\u00f3ng. Gi\u1edbi h\u1ea1n r\u00f2 r\u1ec9 cho ph\u00e9p c\u1ee7a \u0111\u1ebf van ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i van v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh, theo quy \u0111\u1ecbnh c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 API 598 ho\u1eb7c ISO 5208.<\/li>\n<\/ul>\n\n\n\n

    M\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 bao g\u1ed3m kh\u00f4ng kh\u00ed, nit\u01a1, n\u01b0\u1edbc ho\u1eb7c c\u00e1c ch\u1ea5t l\u1ecfng kh\u00e1c, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

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    Ti\u00eau chu\u1ea9n v\u00e0 T\u00e0i li\u1ec7u: \u0110\u00e1p \u1ee9ng Y\u00eau c\u1ea7u c\u1ee7a Ng\u00e0nh<\/h2>\n\n\n\n

    Vi\u1ec7c ki\u1ec3m tra van ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn. C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n

      \n
    • API 598:<\/strong> Ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m van<\/li>\n\n\n\n
    • Ti\u00eau chu\u1ea9n ISO 5208:<\/strong> Van c\u00f4ng nghi\u1ec7p \u2013 Ki\u1ec3m tra \u00e1p su\u1ea5t van kim lo\u1ea1i<\/li>\n\n\n\n
    • Ti\u00eau chu\u1ea9n ASME B16.34:<\/strong> Van \u2013 Van b\u00edch, Van ren v\u00e0 Van h\u00e0n<\/li>\n<\/ul>\n\n\n\n

      M\u1ed7i ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh \u00e1p su\u1ea5t th\u1eed nghi\u1ec7m, th\u1eddi gian th\u1eed nghi\u1ec7m, ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn v\u00e0 y\u00eau c\u1ea7u v\u1ec1 t\u00e0i li\u1ec7u. H\u1ed3 s\u01a1 chi ti\u1ebft c\u1ee7a m\u1ed7i l\u1ea7n th\u1eed nghi\u1ec7m\u2014bao g\u1ed3m ng\u00e0y th\u1eed nghi\u1ec7m, quy tr\u00ecnh, ch\u1eef k\u00fd c\u1ee7a k\u1ef9 thu\u1eadt vi\u00ean v\u00e0 k\u1ebft qu\u1ea3\u2014l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft cho vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o quy\u1ec1n l\u1ee3i cho kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n

      \n\n\n\n

      T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n

      \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c ki\u1ec3m tra. N\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb kh\u00e2u ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4, ti\u1ebfp t\u1ee5c th\u00f4ng qua gia c\u00f4ng v\u00e0 l\u1eafp r\u00e1p ch\u00ednh x\u00e1c, v\u00e0 k\u1ebft th\u00fac b\u1eb1ng kh\u00e2u ki\u1ec3m tra cu\u1ed1i c\u00f9ng v\u00e0 ch\u1ee9ng nh\u1eadn. M\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng to\u00e0n di\u1ec7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi van \u0111\u1ec1u \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 mong \u0111\u1ee3i v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

      Khi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea7u t\u01b0 v\u00e0o vi\u1ec7c ki\u1ec3m tra v\u00e0 ghi ch\u00e9p t\u00e0i li\u1ec7u nghi\u00eam ng\u1eb7t, h\u1ecd s\u1ebd x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c l\u00f2ng tin v\u1edbi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u01b0 h\u1ecfng t\u1ed1n k\u00e9m. Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p tr\u1ecdng y\u1ebfu, ngay c\u1ea3 m\u1ed9t s\u1ef1 c\u1ed1 van \u0111\u01a1n l\u1ebb c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ng\u1eebng s\u1ea3n xu\u1ea5t, s\u1ef1 c\u1ed1 m\u00f4i tr\u01b0\u1eddng ho\u1eb7c nguy c\u01a1 m\u1ea5t an to\u00e0n.<\/p>\n\n\n\n

      \n\n\n\n

      Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

      Ki\u1ec3m tra van kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u1ee7 t\u1ee5c h\u00ecnh th\u1ee9c\u2014m\u00e0 c\u00f2n l\u00e0 m\u1ed9t quy tr\u00ecnh thi\u1ebft y\u1ebfu b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi, thi\u1ebft b\u1ecb v\u00e0 m\u00f4i tr\u01b0\u1eddng. T\u1eeb ki\u1ec3m tra \u00e1p su\u1ea5t v\u00e0 r\u00f2 r\u1ec9 \u0111\u1ebfn x\u00e1c minh ch\u1ee9c n\u0103ng v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, m\u1ed7i b\u01b0\u1edbc trong quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ec1u g\u00f3p ph\u1ea7n n\u00e2ng cao \u0111\u1ed9 tin c\u1eady t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

      B\u1eb1ng c\u00e1ch hi\u1ec3u v\u00e0 y\u00eau c\u1ea7u c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m ch\u1eb7t ch\u1ebd, c\u00e1c c\u00f4ng ty c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd \u0111ang l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i van mang l\u1ea1i hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u1eaft khe nh\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

      Sed v\u00e0 th\u00e1ng 8. Aenean scelerisque feugiat. Donec ng\u1ed3i amet erat. Aliquam eget velit.<\/p>","protected":false},"author":1,"featured_media":472,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-77","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/77","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=77"}],"version-history":[{"count":5,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/77\/revisions"}],"predecessor-version":[{"id":721,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/posts\/77\/revisions\/721"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media\/472"}],"wp:attachment":[{"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/media?parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/categories?post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ykyvalve.com\/vi\/wp-json\/wp\/v2\/tags?post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}