{"id":2104,"date":"2025-03-01T09:43:50","date_gmt":"2025-03-01T01:43:50","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2104"},"modified":"2025-03-07T21:29:58","modified_gmt":"2025-03-07T13:29:58","slug":"whats-the-difference-between-explosion-proof-grands-and-ordinary-grands","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/vi\/explosion-proof-equipment\/whats-the-difference-between-explosion-proof-grands-and-ordinary-grands\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00e0n piano ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 \u0111\u00e0n piano th\u00f4ng th\u01b0\u1eddng l\u00e0 g\u00ec?"},"content":{"rendered":"

G\u00ec<\/strong>\u2019<\/strong>l\u00e0 <\/strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u00e0n piano ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 \u0111\u00e0n piano th\u00f4ng th\u01b0\u1eddng<\/strong> ?<\/strong><\/strong><\/h1>\n\n\n\n

C\u00e1c b\u1ed9 ph\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 lo\u1ea1i ph\u1ee5 ki\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c d\u00e2y c\u00e1p c\u00f3 y\u00eau c\u1ea7u cao, c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c c\u1ed5ng c\u00e1p ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5, \u0111\u00f3ng vai tr\u00f2 d\u1eabn truy\u1ec1n c\u00e1p v\u00e0 c\u1ed1 \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng ch\u00e1y n\u1ed5, v\u1edbi hi\u1ec7u su\u1ea5t ch\u1ed1ng ch\u00e1y n\u1ed5 v\u01b0\u1ee3t tr\u1ed9i, c\u1ea5u tr\u00fac an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady, l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n v\u00e0 thu\u1eadn ti\u1ec7n, c\u00f9ng m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 cao. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c khu v\u1ef1c an to\u00e0n \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5 nh\u01b0 d\u1ea7u kh\u00ed, h\u00f3a ch\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c gi\u00e0n khoan ngo\u00e0i kh\u01a1i v\u00e0 t\u00e0u thuy\u1ec1n c\u1ea7n c\u00e1c khu v\u1ef1c \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

1. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i gio\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 gio\u0103ng th\u00f4ng th\u01b0\u1eddng<\/strong><\/strong><\/h2>\n\n\n\n

Th\u1eadt ra, kh\u00f4ng kh\u00f3 \u0111\u1ec3 ph\u00e2n bi\u1ec7t hai th\u1ee9 n\u00e0y.<\/p>\n\n\n\n

Th\u1ee9 nh\u1ea5t: C\u00e1c ph\u1edbt ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i, th\u01b0\u1eddng l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, th\u00e9p carbon ho\u1eb7c \u0111\u1ed3ng thau. V\u00e0 ph\u1ea7n \u0111\u1ea7u h\u1ea1t th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng nh\u1ef1a.<\/p>\n\n\n\n

Th\u1ee9 hai: C\u00e1c b\u1ed9 ph\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 t\u00e0i li\u1ec7u ch\u1ed1ng ch\u00e1y n\u1ed5, b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m, ch\u1ee9c n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5, chuy\u00ean nghi\u1ec7p v\u00e0 nghi\u00eam ng\u1eb7t h\u01a1n. Trong khi \u0111\u00f3, c\u00e1c b\u1ed9 ph\u1eadn th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 c\u00e1c t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n\n\n\n

Th\u1ee9 ba: Gi\u00e1 c\u1ee7a c\u00e1c lo\u1ea1i ph\u1edbt th\u00f4ng th\u01b0\u1eddng r\u1ebb, trong khi ph\u1edbt ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 gi\u00e1 cao v\u00e0 \u0111\u1eaft \u0111\u1ecf.<\/p>\n\n\n\n

Th\u1ee9 t\u01b0: Hai lo\u1ea1i \u1ed1ng n\u1ed1i n\u00e0y c\u00f3 \u1ee9ng d\u1ee5ng kh\u00e1c nhau. \u1ed0ng n\u1ed1i th\u00f4ng th\u01b0\u1eddng ph\u00f9 h\u1ee3p cho h\u1ed9p ph\u00e2n ph\u1ed1i th\u00f4ng th\u01b0\u1eddng, t\u1ee7 ph\u00e2n ph\u1ed1i, h\u1ed9p \u0111i\u1ec1u khi\u1ec3n, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, d\u00e2y v\u00e0 c\u00e1p \u0111\u00e8n chi\u1ebfu s\u00e1ng, gi\u00fap k\u1eb9p ch\u1eb7t c\u00e1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u1ea1o hi\u1ec7u \u1ee9ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc. C\u00e1c lo\u1ea1i gio\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 ph\u00f9 h\u1ee3p v\u1edbi h\u1ed9p ph\u00e2n ph\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5, h\u1ed9p thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 kh\u00e1c, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t. \u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 ch\u00fang ph\u00e1t huy t\u00e1c d\u1ee5ng ch\u1ed1ng ch\u00e1y n\u1ed5, c\u00e1ch ly v\u00e0 b\u1ecbt k\u00edn.<\/p>\n\n\n\n

B\u1ed1n \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng nh\u1ea5t gi\u1eefa hai lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y ri\u00eang bi\u1ec7t \u0111\u1ec3 l\u00e0m r\u00f5 m\u1ee5c \u0111\u00edch cu\u1ed1i c\u00f9ng, sau \u0111\u00f3 n\u00eau r\u00f5 r\u1eb1ng vai tr\u00f2 chung c\u1ee7a ch\u00fang l\u00e0 \u0111\u00f3ng vai tr\u00f2 b\u1ecbt k\u00edn trong qu\u00e1 tr\u00ecnh k\u1eb9p. \u0110\u1ea7u Glen th\u00f4ng th\u01b0\u1eddng c\u00f3 ch\u1ee9c n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i, trong khi \u0111\u1ea7u Glen ch\u1ed1ng ch\u00e1y n\u1ed5 ngo\u00e0i c\u00e1c \u01b0u \u0111i\u1ec3m ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i c\u00f2n c\u00f3 ch\u1ee9c n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n\n\n\n

Do \u0111\u00f3, \u0111\u1ec3 ki\u1ec3m tra xem c\u00e1c ph\u1edbt ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 \u0111\u1ea1t ti\u00eau chu\u1ea9n hay kh\u00f4ng, tr\u01b0\u1edbc ti\u00ean c\u1ea7n ki\u1ec3m tra ch\u1ea5t li\u1ec7u kim lo\u1ea1i, v\u00e0 th\u1ee9 hai, c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 tr\u1ef1c ti\u1ebfp nh\u1ea5t l\u00e0 ki\u1ec3m tra xem c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 logo \u201cEx\u201d hay kh\u00f4ng. D\u00f9 l\u00e0 lo\u1ea1i ph\u1edbt n\u00e0o, trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1eb7c bi\u1ec7t, m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y n\u1ed5 ho\u1eb7c d\u1ec5 b\u1ecb \u0103n m\u00f2n, c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i ph\u1edbt ch\u1ea5t l\u01b0\u1ee3ng cao, nh\u01b0 ph\u1edbt ch\u1ed1ng ch\u00e1y n\u1ed5 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304, 316.<\/p>\n\n\n\n

2 \u1ed0ng n\u1ed1i d\u1ef1 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ea7u h\u1ea1t li\u00ean quan \u0111\u1ebfn h\u01b0\u1edbng d\u1eabn.<\/strong><\/strong><\/h2>\n\n\n\n

C\u00e1c b\u1ed9 ph\u1eadn linh ho\u1ea1t ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u0111\u1ed3ng h\u1ed3 ch\u1ed1ng ch\u00e1y n\u1ed5, v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng trong s\u1ed1 \u0111\u00f3 l\u00e0 d\u01b0 th\u1eeba v\u00e0 ph\u1ee9c t\u1ea1p khi s\u1eed d\u1ee5ng cho c\u00e1c \u0111\u1ed3ng h\u1ed3 an to\u00e0n n\u1ed9i t\u1ea1i v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n\n\n\n

\u0110\u1ea7u c\u00e1p Glen, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ea7u c\u1ed1 \u0111\u1ecbnh c\u00e1p, \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i gi\u1eefa c\u00e1p v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n, v\u00e0 c\u00f3 ch\u1ee9c n\u0103ng d\u1eabn c\u00e1p, c\u1ed1 \u0111\u1ecbnh v\u1ecb tr\u00ed, b\u1ecbt k\u00edn v\u00e0 ch\u1ed1ng ch\u00e1y.<\/p>\n\n\n\n

N\u00f3i chung, thi\u1ebft b\u1ecb an to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 n\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh c\u1ed1 \u0111\u1ecbnh, ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, k\u00edn kh\u00ed v\u00e0 ch\u1ed1ng ch\u00e1y tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng. Nh\u1ef1a k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u n\u00e0y; thi\u1ebft b\u1ecb ch\u1ed1ng n\u1ed5 \u0111\u00f4i khi c\u0169ng c\u1ea7n c\u00f3 k\u00eanh x\u1ea3 \u00e1p, c\u00f3 vai tr\u00f2 h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, v\u00e0 v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng n\u00e0y, ph\u1ea7n \u0111\u1ea7u l\u1edbn th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i.<\/p>\n\n\n\n

Sau khi d\u00e2y d\u1eabn c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111\u01b0a ra kh\u1ecfi c\u00e1c \u1ed1ng n\u1ed1i, h\u00e3y \u0111\u1ec3 l\u1ea1i m\u1ed9t \u0111o\u1ea1n d\u00e0i d\u01b0\u1edbi m\u1ed9t m\u00e9t trong kh\u00f4ng gian, sau \u0111\u00f3 \u0111\u01b0a n\u00f3 qua \u1ed1ng ho\u1eb7c v\u00e0o b\u1ed3n r\u1eeda. T\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c \u1ed1ng n\u1ed1i \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh \u0111\u1ea7u v\u00e0o c\u1ee7a \u1ed1ng v\u00e0 b\u1ed3n r\u1eeda (c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng).<\/p>\n\n\n\n

C\u00e1c d\u00e2y t\u00edn hi\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 d\u00e2y d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf ho\u1eb7c d\u00e2y chuy\u1ec3n m\u1ea1ch, n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecdc ch\u1eafn, t\u1ed1t nh\u1ea5t kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u n\u1ed1i (t\u1ed1t nh\u1ea5t n\u00ean s\u1eed d\u1ee5ng d\u00e2y c\u00f3 b\u1ecdc ch\u1eafn), v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u n\u1ed1i cho d\u00e2y b\u00f9 n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn.<\/p>\n\n\n\n

N\u1ebfu s\u1eed d\u1ee5ng c\u00e1p b\u1ecdc th\u00e9p, ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c m\u1ed1i n\u1ed1i k\u00edn c\u00e1p b\u1ecdc th\u00e9p, kh\u00f4ng c\u1ea7n \u1ed1ng u\u1ed1n cong. C\u00e1p b\u1ecdc th\u00e9p \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ed9p n\u1ed1i th\u00f4ng qua c\u00e1c m\u1ed1i n\u1ed1i k\u00edn c\u00e1p b\u1ecdc th\u00e9p; n\u1ebfu kh\u00f4ng ph\u1ea3i c\u00e1p b\u1ecdc th\u00e9p, s\u1eed d\u1ee5ng c\u00e1c m\u1ed1i n\u1ed1i k\u00edn c\u00e1p + \u1ed1ng u\u1ed1n cong, k\u1ebft n\u1ed1i \u1ed1ng u\u1ed1n cong v\u00e0 \u1ed1ng T (\u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc), \u1ed1ng T v\u00e0 k\u1ebft n\u1ed1i \u1ed1ng. \u1ed0ng c\u1ea5p ngu\u1ed3n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 n\u1ed1i k\u00edn c\u00e1p c\u1ee7a h\u1ed9p n\u1ed1i th\u00f4ng qua \u1ed1ng u\u1ed1n cong. \u0110\u01b0\u1eddng c\u1ea5p ngu\u1ed3n c\u1ee7a h\u1ed9p n\u1ed1i n\u1eb1m \u1edf \u0111\u00e1y h\u1ed9p, v\u00ec v\u1eady th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u1ea7n th\u00eam \u1ed1ng T \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc.<\/p>\n\n\n\n

K\u1ebft n\u1ed1i b\u1ecbt k\u00edn c\u00e1p l\u00e0 thi\u1ebft b\u1ecb d\u1eabn c\u00e1p, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ch\u1ed1ng ch\u00e1y n\u1ed5, v\u1edbi m\u1ee5c \u0111\u00edch \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u1ed1ng ch\u00e1y n\u1ed5 cho ch\u00ednh thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng. Kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u ch\u1ed1ng ch\u00e1y n\u1ed5 t\u1ea1i \u1ed1ng xuy\u00ean qua, c\u00e1c m\u1ed1i n\u1ed1i b\u1ecbt k\u00edn c\u00e1p c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, tuy nhi\u00ean m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u c\u00f3 k\u00edch th\u01b0\u1edbc qu\u00e1 l\u1edbn \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

Gland l\u00e0 thi\u1ebft b\u1ecb d\u1eabn c\u00e1p \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn qu\u1ed1c t\u1ebf. T\u1ea1i Trung Qu\u1ed1c, v\u1eabn c\u00f2n c\u00e1c d\u1ea1ng kh\u00e1c c\u1ee7a m\u1ed1i n\u1ed1i k\u1eb9p c\u00e1p. V\u00ed d\u1ee5, Nh\u00e0 m\u00e1y \u0110\u1ed9ng c\u01a1 Ch\u1ed1ng ch\u00e1y n\u1ed5 Nanyang lu\u00f4n ki\u00ean quy\u1ebft s\u1eed d\u1ee5ng ph\u1ec5u d\u1eabn c\u00e1p c\u1ee7a h\u1ecd, \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: lo\u1ea1i c\u00f3 mi\u1ec7ng loe v\u00e0 lo\u1ea1i c\u00f3 ren. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, \u0111\u00f4i khi h\u1ecd kh\u00f4ng s\u1eed d\u1ee5ng gland, m\u00e0 thay v\u00e0o \u0111\u00f3 l\u00e0 mi\u1ec7ng ren + v\u00f2ng cao su ch\u1ed1ng th\u1ea5m. C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec1u tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ch\u1ed1ng ch\u00e1y n\u1ed5 qu\u1ed1c gia.<\/p>\n\n\n\n

3 \u0110\u1ea7u h\u1ea1t ch\u1ed1ng ch\u00e1y n\u1ed5 C\u1ea7n l\u01b0u \u00fd nh\u1eefng g\u00ec khi l\u1eafp \u0111\u1eb7t<\/strong><\/strong><\/h2>\n\n\n\n

1. Di chuy\u1ec3n v\u00e0o v\u00e0 ra kh\u1ecfi \u0111\u01b0\u1eddng d\u00e2y c\u00e0ng xa c\u00e0ng t\u1ed1t \u0111\u1ec3 s\u1eed d\u1ee5ng lo\u1ea1i v\u00e0o v\u00e0 ra t\u1eeb ph\u00eda d\u01b0\u1edbi, c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 n\u01b0\u1edbc m\u01b0a v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c x\u00e2m nh\u1eadp v\u00e0o h\u1ed9p ph\u00e2n ph\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n\n\n\n

2, c\u00e1p kh\u00f4ng b\u1ecdc gi\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho thi\u1ebft b\u1ecb d\u1eabn c\u00e1p d\u1ea1ng v\u00f2ng \u0111\u1ec7m, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a c\u00e1p ph\u1ea3i kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh trong c\u1ee7a v\u00f2ng \u0111\u1ec7m, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u00f2ng \u0111\u1ec7m \u0111\u00e0n h\u1ed3i c\u00f3 th\u1ec3 \u00e9p ch\u1eb7t c\u00e1p v\u00e0o l\u1ed7 trong c\u1ee7a thi\u1ebft b\u1ecb, ho\u1eb7c v\u1eadt li\u1ec7u \u0111\u1ec7m k\u00edn ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a qua c\u00e1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t k\u00edn t\u1ed1t. C\u00e1p b\u1ecdc gi\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c d\u1eabn h\u01b0\u1edbng b\u1eb1ng thi\u1ebft b\u1ecb d\u1eabn h\u01b0\u1edbng c\u00f3 ch\u1ee9c n\u0103ng m\u1edf \u00e9p.<\/p>\n\n\n\n

3. M\u1ed7i l\u1ed7 c\u1ee7a mi\u1ebfng \u0111\u1ec7m cao su ph\u1ea3i \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 b\u1ecbt k\u00edn m\u1ed9t d\u00e2y c\u00e1p, m\u1ed7i d\u00e2y c\u00e1p ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t l\u1ed7. M\u1eb7t c\u1eaft ngang c\u1ee7a d\u00e2y c\u00e1p ph\u1ea3i c\u00f3 h\u00ecnh tr\u00f2n. Khi \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a d\u00e2y c\u00e1p l\u1edbn h\u01a1n 20mm, thi\u1ebft b\u1ecb n\u00e9n ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb c\u01a1 ch\u1ebf ch\u1ed1ng k\u00e9o \u0111\u1ee9t.<\/p>\n\n\n\n

4. C\u00e1c ren ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 thi\u1ebft b\u1ecb d\u1eabn ren ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 6 v\u00f2ng ren v\u00e0 chi\u1ec1u d\u00e0i t\u1ed1i thi\u1ec3u 8mm.<\/p>\n\n\n\n

5, Thi\u1ebft b\u1ecb d\u1eabn nh\u1eadp lo\u1ea1i keo d\u00e1n ch\u1ee9a ch\u1ea5t \u0111\u1ed9n l\u00e0 h\u1ed7n h\u1ee3p nhi\u1ec7t r\u1eafn ch\u1ee9a ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o thi\u1ebft b\u1ecb d\u1eabn nh\u1eadp. Chi\u1ec1u d\u00e0i tr\u1ee5c nh\u1ecf nh\u1ea5t c\u1ee7a n\u00f3 ph\u1ea3i l\u00e0 20mm. Lo\u1ea1i keo d\u00e1n ch\u1ee9a ch\u1ea5t \u0111\u1ed9n ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u kh\u00f4ng ch\u00e1y ho\u1eb7c ch\u1ed1ng ch\u00e1y, kh\u00f4ng c\u1ea7n gia nhi\u1ec7t \u0111\u1ec3 \u0111\u1ed5, c\u00f3 th\u1ec3 \u0111\u00f4ng c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. H\u1ed9p ph\u00e2n ph\u1ed1i ch\u1ed1ng ch\u00e1y n\u1ed5 c\u00f3 t\u00e1c d\u1ee5ng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi hi\u1ec7u qu\u1ea3 ch\u1ed1ng ch\u00e1y n\u1ed5 th\u00f4ng qua vi\u1ec7c b\u1ecbt k\u00edn l\u1ed7 c\u00e1p v\u00e0o\/ra v\u00e0 b\u1ec1 m\u1eb7t ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n\n\n\n

4 <\/strong>kh\u00f4ng c\u00f3<\/strong> C\u00e1c b\u1ed9 ph\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 theo nh\u00f3m nhi\u1ec7t \u0111\u1ed9, li\u1ec7u c\u00f3 ph\u1ea3i l\u00e0 h\u00e0ng gi\u1ea3 kh\u00f4ng?<\/strong><\/strong><\/h2>\n\n\n\n
\"\"<\/a><\/figure><\/div>\n\n\n\n

\u0110\u1ea7u ph\u1edbt ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n Exd\u2161C Gb\/ExtD A20 kh\u00f4ng c\u00f3 nh\u00f3m nhi\u1ec7t \u0111\u1ed9, li\u1ec7u c\u00f3 ph\u1ea3i l\u00e0 h\u00e0ng gi\u1ea3 kh\u00f4ng?<\/p>\n\n\n\n

I. Tr\u01b0\u1edbc h\u1ebft, h\u00e3y hi\u1ec3u m\u1ed9t s\u1ed1 c\u1ee5m t\u1eeb trong \u0110i\u1ec1u 7 c\u1ee7a <\/strong>Quy \u0111\u1ecbnh v\u1ec1 ph\u00f2ng ch\u1ed1ng n\u1ed5<\/strong>:<\/strong><\/p>\n\n\n\n

3.10 Thi\u1ebft b\u1ecb d\u1eabn c\u00e1p v\u00e0 \u1ed1ng d\u1eabn c\u00e1p<\/strong>
 M\u1ed9t thi\u1ebft b\u1ecb cho ph\u00e9p m\u1ed9t ho\u1eb7c nhi\u1ec1u d\u00e2y c\u00e1p ho\u1eb7c c\u00e1p quang \u0111\u01b0\u1ee3c d\u1eabn qua b\u00ean trong v\u1ecf b\u1ea3o v\u1ec7 c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n Ex theo c\u00e1ch \u0111\u1ea3m b\u1ea3o duy tr\u00ec lo\u1ea1i ch\u1ed1ng ch\u00e1y n\u1ed5 t\u01b0\u01a1ng \u1ee9ng v\u00e0 cung c\u1ea5p m\u1ee9c \u0111\u1ed9 gi\u1ea3m c\u0103ng th\u1eb3ng.
 L\u01afU \u00dd: Xem H\u00ecnh A.1 \u0111\u1ec3 xem minh h\u1ecda v\u1ec1 thu\u1eadt ng\u1eef \"cable gland\".<\/p>\n\n\n\n

3.10.4 Thi\u1ebft b\u1ecb d\u1eabn c\u00e1p cho thi\u1ebft b\u1ecb Ex Thi\u1ebft b\u1ecb n\u1ed1i c\u00e1p cho thi\u1ebft b\u1ecb Ex <\/strong>V\u1ecf thi\u1ebft b\u1ecb v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m tra ri\u00eang bi\u1ec7t, nh\u01b0ng v\u1edbi ch\u1ee9ng ch\u1ec9 ph\u00f9 h\u1ee3p ch\u1ed1ng ch\u00e1y n\u1ed5 cho thi\u1ebft b\u1ecb Ex, d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean thi\u1ebft b\u1ecb d\u1eabn c\u00e1p c\u1ee7a v\u1ecf thi\u1ebft b\u1ecb Ex. L\u01b0u \u00fd: Kh\u00f4ng lo\u1ea1i tr\u1eeb vi\u1ec7c thi\u1ebft b\u1ecb d\u1eabn c\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5p ch\u1ee9ng ch\u1ec9 ph\u00f9 h\u1ee3p ch\u1ed1ng ch\u00e1y n\u1ed5 cho th\u00e0nh ph\u1ea7n Ex.<\/p>\n\n\n\n

3.46 Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1ed1i \u0111a<\/strong><\/p>\n\n\n\n

Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn ho\u1eb7c b\u1ec1 m\u1eb7t n\u00e0o c\u1ee7a thi\u1ebft b\u1ecb Ex \u0111\u1ea1t \u0111\u01b0\u1ee3c khi ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh b\u1ea5t l\u1ee3i nh\u1ea5t (nh\u01b0ng v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p).<\/p>\n\n\n\n

3.67 L\u1edbp nhi\u1ec7t \u0111\u1ed9 I<\/strong><\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1ed1i \u0111a c\u1ee7a thi\u1ebft b\u1ecb Ex li\u00ean quan \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng n\u1ed5 c\u1ee5 th\u1ec3 m\u00e0 thi\u1ebft b\u1ecb Ex \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

5.6.1 L\u01b0u \u00fd chung: <\/strong>C\u00e1c thi\u1ebft b\u1ecb d\u1eabn c\u00e1p th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u v\u1edbi nh\u00f3m nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecbnh m\u1ee9c c\u1ee7a thi\u1ebft b\u1ecb d\u1eabn c\u00e1p, n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u, s\u1ebd m\u1eb7c \u0111\u1ecbnh l\u00e0 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1eeb -20\u00b0C \u0111\u1ebfn +80\u00b0C. N\u1ebfu y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng thi\u1ebft b\u1ecb d\u1eabn c\u00e1p v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan ph\u1ea3i ph\u00f9 h\u1ee3p cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng \u0111\u00f3.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn: Chi\u1ebfc \u0111\u1ea7u Glen ch\u1ed1ng ch\u00e1y n\u1ed5 n\u00e0y, do kh\u00f4ng c\u00f3 nh\u00f3m nhi\u1ec7t \u0111\u1ed9 ti\u00eau chu\u1ea9n, kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 h\u00e0ng gi\u1ea3.<\/u><\/strong><\/p>","protected":false},"excerpt":{"rendered":"

What\u2019s the Difference between explosion-proof grands and ordinary grands ? Explosion-proof glands are a kind of explosion-proof accessories used on cables with high requirements, which can be installed in the connection between explosion-proof cable ports and explosion-proof electrical equipment, play a role in introducing cables and fixing positions to achieve sealing and explosion-proof function, with superior […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2104","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/vi\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"What\u2019s the Difference between explosion-proof grands and ordinary grands ? Explosion-proof glands are a kind of explosion-proof accessories used on cables with high requirements, which can be installed in the connection between explosion-proof cable ports and explosion-proof electrical equipment, play a role in introducing cables and fixing positions to achieve sealing and explosion-proof function, with superior…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/comments?post=2104"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2104\/revisions"}],"predecessor-version":[{"id":2338,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2104\/revisions\/2338"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/media?parent=2104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/categories?post=2104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/tags?post=2104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}