{"id":2321,"date":"2022-08-11T03:41:51","date_gmt":"2022-08-11T03:41:51","guid":{"rendered":"https:\/\/xintaivalves.com\/?p=2321"},"modified":"2024-09-26T15:35:34","modified_gmt":"2024-09-26T07:35:34","slug":"how-many-types-of-safety-valves-are-there","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/how-many-types-of-safety-valves-are-there\/","title":{"rendered":"C\u00f3 bao nhi\u00eau lo\u1ea1i van an to\u00e0n?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u1ed8T<a href=\"https:\/\/www.xintaivalves.com\/vi\/spring-load-safety-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"> <strong><em>van an to\u00e0n <\/em><\/strong><\/a>l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ng\u0103n h\u1ec7 th\u1ed1ng qu\u00e1 \u00e1p. N\u00f3 bao g\u1ed3m m\u1ed9t van c\u00f3 c\u01a1 ch\u1ebf l\u00f2 xo t\u0103ng l\u1ef1c khi \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u0111\u1eb7t tr\u01b0\u1edbc. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n ho\u1eb7c ch\u1ea5t l\u1ecfng. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u00f3 c\u00f3 th\u1ec3 ng\u0103n qu\u00e1 \u00e1p d\u1eabn \u0111\u1ebfn l\u1ed7i h\u1ec7 th\u1ed1ng. Thi\u1ebft k\u1ebf van an to\u00e0n n\u00e0y gi\u00fap ng\u0103n ng\u1eeba th\u1ea3m h\u1ecda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van an to\u00e0n c\u00f3 ba lo\u1ea1i c\u01a1 b\u1ea3n. Ch\u00fang bao g\u1ed3m c\u1ea7n b\u00faa n\u1eb7ng, l\u00f2 xo v\u00e0 van xung. Lo\u1ea1i van \u0111\u00f2n b\u1ea9y b\u00faa n\u1eb7ng s\u1eed d\u1ee5ng \u0111\u00f2n b\u1ea9y ho\u1eb7c b\u00faa n\u1eb7ng \u0111\u1ec3 c\u00e2n b\u1eb1ng l\u1ef1c tr\u00ean n\u1eafp van. Nguy\u00ean t\u1eafc \u0111\u1eb1ng sau lo\u1ea1i van an to\u00e0n n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00f2n b\u1ea9y, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng nh\u1ecf \u0111\u1ec3 t\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c l\u1edbn. Lo\u1ea1i van an to\u00e0n n\u00e0y c\u0169ng cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t m\u1edf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00e1c lo\u1ea1i van an to\u00e0n kh\u00e1c nhau l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i kh\u00e1c nhau c\u1ee7a van an to\u00e0n c\u00f3 s\u1eb5n l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ef1 c\u1ed1 nhanh ch\u00f3ng. Van an to\u00e0n c\u00f3 th\u1ec3 l\u00e0 van l\u00f2 xo; m\u1ed9t van t\u1ea3i \u0111\u00f2n b\u1ea9y, ho\u1eb7c m\u1ed9t van tr\u1ecdng l\u01b0\u1ee3ng an to\u00e0n tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u00e1c van n\u00e0y l\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang. Van an to\u00e0n l\u00f2 xo c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh. M\u1ed9t van tr\u1ecdng l\u01b0\u1ee3ng an to\u00e0n \u0111\u01b0\u1ee3c t\u1ea3i b\u1eb1ng \u0111\u00f2n b\u1ea9y th\u01b0\u1eddng \u00edt t\u1ed1n k\u00e9m h\u01a1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Van an to\u00e0n tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i van an to\u00e0n. M\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 van an to\u00e0n tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft. Van an to\u00e0n tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft l\u00e0 van an to\u00e0n d\u1ef1a v\u00e0o m\u1ed9t \u0111\u0129a n\u1eb7ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng ch\u1ed1ng l\u1ea1i \u0111\u1ebf van \u0111\u1ec3 tr\u00e1nh qu\u00e1 \u00e1p su\u1ea5t. Van an to\u00e0n tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t cho b\u00ecnh \u00e1p su\u1ea5t th\u1ea5p. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c van an to\u00e0n kh\u00e1c, van an to\u00e0n tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft kh\u00f4ng c\u00f3 l\u00f2 xo. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u0129a c\u00f3 t\u00e1c d\u1ee5ng \u0111i\u1ec1u ch\u1ec9nh ch\u00e2n van. Khi \u00e1p su\u1ea5t tr\u00ean van v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t b\u00ecnh th\u01b0\u1eddng, n\u00f3 s\u1ebd th\u1ea3i h\u01a1i th\u1eeba ra ngo\u00e0i qua m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Van an to\u00e0n l\u00f2 xo<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ed1t l\u00f5i c\u1ee7a b\u1ea5t k\u1ef3 van an to\u00e0n n\u00e0o l\u00e0 l\u00f2 xo. N\u00f3 ph\u1ea3i b\u1ec1n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh, bao g\u1ed3m c\u1ea3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c. V\u1eadt li\u1ec7u l\u00f2 xo ph\u1ea3i ch\u1ed1ng \u0103n m\u00f2n. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i, th\u00e9p carbon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0103n m\u00f2n, th\u00e9p vonfram ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Cho d\u00f9 van an to\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong kh\u00f4ng kh\u00ed hay n\u01b0\u1edbc, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Van an to\u00e0n t\u1ea3i \u0111\u00f2n b\u1ea9y<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi mua m\u1ed9t van an to\u00e0n, b\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng c\u00f3 m\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn kh\u00e1c nhau. M\u1ed9t s\u1ed1 van an to\u00e0n c\u00f3 t\u00f9y ch\u1ecdn v\u1eadn h\u00e0nh b\u1eb1ng tay. Th\u00f4ng th\u01b0\u1eddng, thao t\u00e1c th\u1ee7 c\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra ho\u1eb7c b\u1ea3o tr\u00ec an to\u00e0n \u0111\u1ecbnh k\u1ef3. C\u00f4ng su\u1ea5t ch\u1ea3y th\u1ef1c t\u1ebf s\u1ebd gi\u1ea3m \u0111i 10%. H\u1ec7 s\u1ed1 x\u1ea3 gi\u1ea3m d\u1ea7n c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n. Gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c van an to\u00e0n, c\u00f3 m\u1ed9t s\u1ed1 thu\u1eadt ng\u1eef v\u00e0 \u0111\u1ecbnh ngh\u0129a kh\u00f4ng c\u00f3 trong ti\u00eau chu\u1ea9n DIN 3320.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Van an to\u00e0n h\u01a1i cao v\u00e0 n\u01b0\u1edbc th\u1ea5p<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i chung, n\u1ed3i h\u01a1i s\u1ebd \u0111\u01b0\u1ee3c trang b\u1ecb van an to\u00e0n h\u01a1i cao v\u00e0 n\u01b0\u1edbc th\u1ea5p. Van an to\u00e0n n\u01b0\u1edbc th\u1ea5p l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai van. N\u00f3 ho\u1ea1t \u0111\u1ed9ng khi m\u1ef1c n\u01b0\u1edbc trong n\u1ed3i h\u01a1i gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c \u0111\u1ecbnh tr\u01b0\u1edbc. Khi m\u1ee9c gi\u1ea3m xu\u1ed1ng qu\u00e1 th\u1ea5p, van an to\u00e0n \u0111\u00f2n b\u1ea9y ho\u1ea1t \u0111\u1ed9ng, th\u1ed5i v\u1edbi ti\u1ebfng \u1ed3n l\u1edbn. H\u00ecnh 5-4 cho th\u1ea5y c\u00e1c van an to\u00e0n n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o. Ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf tr\u00ean c\u00f9ng ho\u1eb7c b\u00ean c\u1ea1nh l\u00f2 h\u01a1i v\u00e0 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o h\u1ed9p l\u1eeda ho\u1eb7c l\u00f2 nung.<\/p>","protected":false},"excerpt":{"rendered":"<p>A safety valve is a device that prevents a system from overpressurizing. It consists of a valve with a spring-loaded mechanism that increases in force when the pressure exceeds a preset limit. It is generally used in compressed air or fluid systems. In some cases, it can prevent overpressure from resulting in system failures. This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[196],"class_list":["post-2321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-safety-valves"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/2321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/comments?post=2321"}],"version-history":[{"count":1,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/2321\/revisions"}],"predecessor-version":[{"id":2322,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/2321\/revisions\/2322"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/1550"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=2321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=2321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=2321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}