Van m\u1ed9t chi\u1ec1u l\u00e0 lo\u1ea1i van \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng (nh\u01b0 h\u1ec7 th\u1ed1ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc trong c\u00e1c t\u00f2a nh\u00e0, trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, kh\u00e1ch s\u1ea1n,\u2026) cho t\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p (h\u1ec7 th\u1ed1ng d\u1eabn nguy\u00ean, nhi\u00ean li\u1ec7u, h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y,\u2026 trong t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 m\u00e1y, x\u00ed nghi\u1ec7p). Trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, k\u00ednh m\u1eddi b\u1ea1n \u0111\u1ecdc c\u00f9ng ph\u00e2n t\u00edch v\u00e0 t\u00ecm hi\u1ec3u nh\u1eefng th\u00f4ng tin c\u1ea7n thi\u1ebft v\u1ec1 lo\u1ea1i check valve n\u00e0y.<\/p>\n
Van m\u1ed9t chi\u1ec1u, hay c\u00f2n g\u1ecdi l\u00e0 van ch\u1ed1ng ch\u1ea3y ng\u01b0\u1ee3c, c\u00f3 t\u00ean ti\u1ebfng anh l\u00e0 Check Valve (hay c\u00f2n g\u1ecdi l\u00e0 One way valve hay non-return valve), l\u00e0 lo\u1ea1i van c\u00f3 ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 ch\u1ec9 cho m\u00f4i ch\u1ea5t l\u01b0u th\u00f4ng theo m\u1ed9t chi\u1ec1u nh\u1ea5t \u0111\u1ecbnh, kh\u00f4ng cho ph\u00e9p m\u00f4i ch\u1ea5t l\u01b0u th\u00f4ng theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i g\u00e2y \u1ea3nh h\u01b0\u1edfng cho thi\u1ebft b\u1ecb\/h\u1ec7 th\u1ed1ng. V\u00ec v\u1eady khi l\u1eafp \u0111\u1eb7t, c\u1ea7n l\u01b0u \u00fd ph\u1ea3i l\u1eafp \u0111\u1eb7t theo \u0111\u00fang chi\u1ec1u (th\u01b0\u1eddng s\u1ebd c\u00f3 k\u00fd hi\u1ec7u tr\u00ean th\u00e2n van).<\/p>\n
M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh v\u1ec1 lo\u1ea1i check valve n\u00e0y l\u00e0 trong h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y, tr\u01b0\u1eddng h\u1ee3p b\u01a1m b\u1ecb t\u1ee5t \u00e1p su\u1ea5t \u0111\u1ed9t ng\u1ed9t, n\u1ebfu kh\u00f4ng c\u00f3 van l\u1eafp \u1edf ph\u00eda tr\u01b0\u1edbc m\u00e1y b\u01a1m s\u1ebd khi\u1ebfn d\u00f2ng ch\u1ea3y ch\u1ea3y theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i v\u00e0 t\u00e1c \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i, g\u00e2y ra nh\u1eefng h\u01b0 h\u1ecfng n\u1eb7ng n\u1ec1 cho m\u00e1y b\u01a1m\/h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
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