{"id":8299,"date":"2026-05-29T17:59:21","date_gmt":"2026-05-29T17:59:21","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8299"},"modified":"2026-05-29T17:59:21","modified_gmt":"2026-05-29T17:59:21","slug":"relief-valve-vs-pressure-reducing-valve-vs-sequence-valve","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/vi\/relief-valve-vs-pressure-reducing-valve-vs-sequence-valve\/","title":{"rendered":"Van an to\u00e0n, van gi\u1ea3m \u00e1p v\u00e0 van tu\u1ea7n t\u1ef1: Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i"},"content":{"rendered":"<div style=\"max-width: 1000px; margin: 0 auto; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #333; background: #fafafa; padding: 20px;\">\n<p><!-- Title Section --><\/p>\n<div style=\"background: #1e3a5f; color: white; padding: 50px 40px; margin: -20px -20px 40px -20px;\">\n<h1 style=\"margin: 0; font-size: 2.5em; font-weight: bold; letter-spacing: -0.5px;\"><span style=\"color: #ffffff;\">Van an to\u00e0n so v\u1edbi van gi\u1ea3m \u00e1p so v\u1edbi van tu\u1ea7n t\u1ef1<\/span><\/h1>\n<p style=\"margin: 15px 0 0 0; font-size: 1.2em; opacity: 0.9; font-weight: 300;\">Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i gi\u1eefa c\u00e1c van \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c<\/p>\n<\/div>\n<p><!-- Quick Navigation --><\/p>\n<div style=\"background: white; padding: 25px; margin-bottom: 30px; border-left: 4px solid #e74c3c;\">\n<h3 style=\"margin: 0 0 15px 0; color: #e74c3c; font-size: 1.1em;\">T\u1ed5ng quan b\u00e0i vi\u1ebft<\/h3>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 10px; font-size: 0.95em;\">\n<div>\u2022 Nguy\u00ean l\u00fd c\u1ea5u tr\u00fac c\u1ee7a ba lo\u1ea1i van<\/div>\n<div>\u2022 So s\u00e1nh ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p tho\u00e1t n\u01b0\u1edbc<\/div>\n<div>\u2022 Tr\u1ea1ng th\u00e1i v\u00e0 \u0111\u1eb7c t\u00ednh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1eeda van<\/div>\n<div>\u2022 C\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn<\/div>\n<\/div>\n<\/div>\n<p><!-- Section 1: Fundamentals --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">I. Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u00e0 nguy\u00ean t\u1eafc chung<\/h2>\n<p>Van th\u1ee7y l\u1ef1c l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t, l\u01b0u l\u01b0\u1ee3ng v\u00e0 h\u01b0\u1edbng d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. Trong s\u1ed1 c\u00e1c van \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t, c\u00e1c lo\u1ea1i ch\u00ednh bao g\u1ed3m: <strong>van an to\u00e0n, van gi\u1ea3m \u00e1p, van tu\u1ea7n t\u1ef1 v\u00e0 van x\u1ea3 t\u1ea3i<\/strong>.<\/p>\n<div style=\"background: #fff3cd; border-left: 4px solid #ffc107; padding: 20px; margin: 25px 0;\">\n<h4 style=\"margin: 0 0 10px 0; color: #856404;\">Nguy\u00ean t\u1eafc chung c\u1ed1t l\u00f5i<\/h4>\n<p style=\"margin: 0; color: #856404;\">Ba van \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean <strong>c\u00f9ng m\u1ed9t nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n<\/strong>: S\u1eed d\u1ee5ng d\u1ea7u c\u00f3 \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ec3 m\u1edf v\u00e0 \u0111\u00f3ng c\u00e1c c\u1eeda van. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang.<\/p>\n<\/div>\n<p><!-- Section 2: Relief Valve --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">II. Van an to\u00e0n<\/h2>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">2.1 Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>Van an to\u00e0n l\u00e0 m\u1ed9t lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c ch\u1ee7 y\u1ebfu th\u1ef1c hi\u1ec7n b\u1ed1n ch\u1ee9c n\u0103ng: <strong>van x\u1ea3 \u00e1p su\u1ea5t, \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t, x\u1ea3 t\u1ea3i h\u1ec7 th\u1ed1ng v\u00e0 b\u1ea3o v\u1ec7 an to\u00e0n.<\/strong>.<\/p>\n<div style=\"background: white; padding: 25px; margin: 20px 0; border: 1px solid #e0e0e0;\">\n<h4 style=\"margin: 0 0 15px 0; color: #e74c3c; font-size: 1.1em;\">Quy tr\u00ecnh v\u1eadn h\u00e0nh chi ti\u1ebft<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 8px;\"><strong>Tr\u1ea1ng th\u00e1i \u00e1p su\u1ea5t th\u1ea5p:<\/strong> Khi \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o th\u1ea5p, van ch\u00ednh v\u1eabn \u0111\u00f3ng d\u01b0\u1edbi l\u1ef1c l\u00f2 xo, c\u1eeda van \u0111\u00f3ng k\u00edn.<\/li>\n<li style=\"margin-bottom: 8px;\"><strong>T\u0103ng \u00e1p su\u1ea5t:<\/strong> Khi \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u0103ng l\u00ean, d\u1ea7u ch\u1ea3y qua l\u1ed7 gi\u1ea3m ch\u1ea5n v\u00e0o bu\u1ed3ng tr\u00ean c\u1ee7a tr\u1ee5c van ch\u00ednh, \u0111\u1ed3ng th\u1eddi t\u00e1c \u0111\u1ed9ng l\u00ean tr\u1ee5c van \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li style=\"margin-bottom: 8px;\"><strong>Van \u0111i\u1ec1u khi\u1ec3n m\u1edf:<\/strong> Khi \u00e1p su\u1ea5t \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb \u0111\u00e3 c\u00e0i \u0111\u1eb7t, van \u0111i\u1ec1u khi\u1ec3n s\u1ebd m\u1edf ra, cho ph\u00e9p d\u1ea7u ch\u1ea3y ng\u01b0\u1ee3c tr\u1edf l\u1ea1i b\u1ec3 ch\u1ee9a th\u00f4ng qua van \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li><strong>Van ch\u00ednh m\u1edf:<\/strong> M\u1ed9t s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean tr\u1ee5c van ch\u00ednh. Khi l\u1ef1c t\u1ea1o ra b\u1edfi s\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y v\u01b0\u1ee3t qu\u00e1 l\u1ef1c c\u1ee7a l\u00f2 xo, tr\u1ee5c van ch\u00ednh s\u1ebd n\u00e2ng l\u00ean, cho ph\u00e9p m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1ea7u tr\u00e0n tr\u1edf l\u1ea1i b\u1ec3 ch\u1ee9a.<\/li>\n<\/ul>\n<\/div>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">2.2 \u0110\u1eb7c t\u00ednh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; background: white;\">\n<tbody>\n<tr style=\"background: #1e3a5f; color: white;\">\n<th style=\"padding: 12px 15px; text-align: left; width: 30%;\">Tham s\u1ed1<\/th>\n<th style=\"padding: 12px 15px; text-align: left;\">\u0110\u1eb7c t\u00ednh van x\u1ea3 \u00e1p<\/th>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t<\/td>\n<td style=\"padding: 12px 15px;\">\u0110i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o, duy tr\u00ec \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o kh\u00f4ng \u0111\u1ed5i.<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng<\/td>\n<td style=\"padding: 12px 15px;\">Van c\u1ed5ng th\u01b0\u1eddng \u0111\u00f3ng<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"padding: 12px 15px;\">Van m\u1edf, d\u1ea7u tr\u00e0n v\u00e0o th\u00f9ng ch\u1ee9a.<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ph\u01b0\u01a1ng ph\u00e1p tho\u00e1t n\u01b0\u1edbc<\/td>\n<td style=\"padding: 12px 15px;\">H\u1ec7 th\u1ed1ng tho\u00e1t d\u1ea7u b\u00ean trong \u2013 d\u1ea7u trong bu\u1ed3ng l\u00f2 xo \u0111\u01b0\u1ee3c tho\u00e1t ra b\u00ean trong qua c\u1eeda tho\u00e1t.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n<td style=\"padding: 12px 15px;\">Ho\u1ea1t \u0111\u1ed9ng th\u1ee5 \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Section 3: Pressure Reducing Valve --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">III. Van gi\u1ea3m \u00e1p<\/h2>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">3.1 Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>Van gi\u1ea3m \u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 <strong>gi\u1ea3m \u00e1p su\u1ea5t trong m\u1ea1ch nh\u00e1nh<\/strong>, duy tr\u00ec \u00e1p su\u1ea5t \u0111\u1ea7u ra th\u1ea5p h\u01a1n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi \u00e1p su\u1ea5t m\u1ea1ch ch\u00ednh.<\/p>\n<div style=\"background: white; padding: 25px; margin: 20px 0; border: 1px solid #e0e0e0;\">\n<h4 style=\"margin: 0 0 15px 0; color: #27ae60; font-size: 1.1em;\">Quy tr\u00ecnh v\u1eadn h\u00e0nh chi ti\u1ebft<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 8px;\"><strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u:<\/strong> C\u1eeda van \u1edf v\u1ecb tr\u00ed m\u1edf t\u1ed1i \u0111a, c\u1eeda van th\u01b0\u1eddng m\u1edf<\/li>\n<li style=\"margin-bottom: 8px;\"><strong>\u0110i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t:<\/strong> D\u1ea7u \u00e1p su\u1ea5t \u0111\u1ea7u ra \u0111i v\u00e0o bu\u1ed3ng d\u01b0\u1edbi c\u1ee7a tr\u1ee5c van ch\u00ednh th\u00f4ng qua l\u1ed7 gi\u1ea3m ch\u1ea5n, \u0111\u1ed3ng th\u1eddi t\u00e1c \u0111\u1ed9ng l\u00ean van \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li style=\"margin-bottom: 8px;\"><strong>C\u00e2n b\u1eb1ng \u00e1p su\u1ea5t:<\/strong> Khi \u00e1p su\u1ea5t \u0111\u1ea7u ra th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t, van \u0111i\u1ec1u khi\u1ec3n v\u1eabn \u0111\u00f3ng, tr\u1ee5c van ch\u00ednh duy tr\u00ec \u0111\u1ed9 m\u1edf t\u1ed1i \u0111a.<\/li>\n<li><strong>T\u00e1c d\u1ee5ng gi\u1ea3m \u00e1p:<\/strong> Khi \u00e1p su\u1ea5t \u0111\u1ea7u ra \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t, van \u0111i\u1ec1u khi\u1ec3n m\u1edf ra, tr\u1ee5c van ch\u00ednh di chuy\u1ec3n l\u00ean tr\u00ean, c\u1eeda van thu h\u1eb9p l\u1ea1i, h\u1ea1n ch\u1ebf l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<\/div>\n<div style=\"background: #e8f8f5; border-left: 4px solid #27ae60; padding: 20px; margin: 25px 0;\">\n<p style=\"margin: 0; color: #155724;\"><strong>\u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/strong> Van gi\u1ea3m \u00e1p ho\u1ea1t \u0111\u1ed9ng trong <strong>ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/strong>. Trong ph\u1ea1m vi \u00e1p su\u1ea5t \u0111\u00e3 c\u00e0i \u0111\u1eb7t, van gi\u1ea3m \u00e1p c\u0169ng \u0111\u00f3ng l\u1ea1i nh\u01b0 m\u1ed9t van an to\u00e0n. Tuy nhi\u00ean, khi \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng t\u0103ng l\u00ean v\u00e0 \u0111\u1ea1t \u0111\u1ebfn \u00e1p su\u1ea5t c\u00e0i \u0111\u1eb7t c\u1ee7a van gi\u1ea3m \u00e1p, van gi\u1ea3m \u00e1p s\u1ebd m\u1edf ra, cho ph\u00e9p m\u1ed9t l\u01b0\u1ee3ng d\u1ea7u nh\u1ea5t \u0111\u1ecbnh tr\u1edf l\u1ea1i b\u1ec3 ch\u1ee9a, v\u00e0 \u00e1p su\u1ea5t trong m\u1ea1ch nh\u00e1nh n\u00e0y s\u1ebd kh\u00f4ng t\u0103ng th\u00eam n\u1eefa. Van gi\u1ea3m \u00e1p cung c\u1ea5p <strong>gi\u1ea3m \u00e1p su\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh<\/strong> cho m\u1ea1ch nh\u00e1nh n\u00e0y.<\/p>\n<\/div>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">3.2 \u0110\u1eb7c t\u00ednh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; background: white;\">\n<tbody>\n<tr style=\"background: #1e3a5f; color: white;\">\n<th style=\"padding: 12px 15px; text-align: left; width: 30%;\">Tham s\u1ed1<\/th>\n<th style=\"padding: 12px 15px; text-align: left;\">\u0110\u1eb7c t\u00ednh van gi\u1ea3m \u00e1p<\/th>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t<\/td>\n<td style=\"padding: 12px 15px;\">\u0110i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t \u0111\u1ea7u ra, duy tr\u00ec \u00e1p su\u1ea5t \u0111\u1ea7u ra kh\u00f4ng \u0111\u1ed5i.<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng<\/td>\n<td style=\"padding: 12px 15px;\">C\u1eeda van th\u01b0\u1eddng m\u1edf<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"padding: 12px 15px;\">C\u1eeda van b\u1ecb thu h\u1eb9p, l\u00e0m h\u1ea1n ch\u1ebf d\u00f2ng ch\u1ea3y.<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ph\u01b0\u01a1ng ph\u00e1p tho\u00e1t n\u01b0\u1edbc<\/td>\n<td style=\"padding: 12px 15px;\">\u1ed0ng tho\u00e1t n\u01b0\u1edbc ngo\u00e0i \u2013 c\u00f3 c\u1ed5ng tho\u00e1t n\u01b0\u1edbc ri\u00eang<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n<td style=\"padding: 12px 15px;\">Ho\u1ea1t \u0111\u1ed9ng t\u00edch c\u1ef1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Section 4: Sequence Valve --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">IV. Van tu\u1ea7n t\u1ef1<\/h2>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">4.1 Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>Van tu\u1ea7n t\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 <strong>hai ho\u1eb7c nhi\u1ec1u m\u1ea1ch nh\u00e1nh<\/strong> \u0111\u1ec3 ki\u1ec3m so\u00e1t <strong>tr\u00ecnh t\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/strong> d\u1ef1a tr\u00ean \u00e1p su\u1ea5t m\u1ea1ch.<\/p>\n<div style=\"background: white; padding: 25px; margin: 20px 0; border: 1px solid #e0e0e0;\">\n<h4 style=\"margin: 0 0 15px 0; color: #3498db; font-size: 1.1em;\">Quy tr\u00ecnh v\u1eadn h\u00e0nh chi ti\u1ebft<\/h4>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 8px;\"><strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u:<\/strong> Van \u0111\u00f3ng, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng A ho\u1ea1t \u0111\u1ed9ng, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng B kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li style=\"margin-bottom: 8px;\"><strong>S\u1ef1 t\u00edch t\u1ee5 \u00e1p su\u1ea5t:<\/strong> Khi b\u1ed9 truy\u1ec1n \u0111\u1ed9ng A ho\u00e0n th\u00e0nh h\u00e0nh tr\u00ecnh, \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng t\u0103ng l\u00ean.<\/li>\n<li style=\"margin-bottom: 8px;\"><strong>M\u1edf \u0111\u1ea7u tu\u1ea7n t\u1ef1:<\/strong> Khi \u00e1p su\u1ea5t \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t c\u1ee7a van tu\u1ea7n t\u1ef1, c\u1eeda van s\u1ebd m\u1edf.<\/li>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng B:<\/strong> D\u1ea7u \u00e1p su\u1ea5t \u0111i v\u00e0o B\u1ed9 truy\u1ec1n \u0111\u1ed9ng B, gi\u00fap \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng tu\u1ea7n t\u1ef1.<\/li>\n<\/ul>\n<\/div>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">4.2 \u1ee8ng d\u1ee5ng \u0111a ch\u1ee9c n\u0103ng<\/h3>\n<p>T\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh, van tu\u1ea7n t\u1ef1 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng m\u1ea1ch kh\u00e1c nhau:<\/p>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin: 20px 0;\">\n<div style=\"background: white; padding: 20px; border-top: 3px solid #e74c3c;\">\n<h4 style=\"margin: 0 0 10px 0; color: #e74c3c; font-size: 1em;\">1. Ch\u1ee9c n\u0103ng c\u1ee7a van an to\u00e0n<\/h4>\n<p style=\"margin: 0; font-size: 0.9em; color: #666;\">Ki\u1ec3m so\u00e1t n\u1ed9i b\u1ed9, tho\u00e1t n\u01b0\u1edbc n\u1ed9i b\u1ed9<\/p>\n<\/div>\n<div style=\"background: white; padding: 20px; border-top: 3px solid #27ae60;\">\n<h4 style=\"margin: 0 0 10px 0; color: #27ae60; font-size: 1em;\">2. \u0110i\u1ec1u khi\u1ec3n tr\u00ecnh t\u1ef1<\/h4>\n<p style=\"margin: 0; font-size: 0.9em; color: #666;\">\u0110i\u1ec1u khi\u1ec3n h\u00e0nh \u0111\u1ed9ng tu\u1ea7n t\u1ef1<\/p>\n<\/div>\n<div style=\"background: white; padding: 20px; border-top: 3px solid #3498db;\">\n<h4 style=\"margin: 0 0 10px 0; color: #3498db; font-size: 1em;\">3. Van \u00e1p su\u1ea5t ng\u01b0\u1ee3c<\/h4>\n<p style=\"margin: 0; font-size: 0.9em; color: #666;\">\u0110i\u1ec1u khi\u1ec3n n\u1ed9i b\u1ed9, tho\u00e1t n\u01b0\u1edbc b\u00ean ngo\u00e0i<\/p>\n<\/div>\n<div style=\"background: white; padding: 20px; border-top: 3px solid #9b59b6;\">\n<h4 style=\"margin: 0 0 10px 0; color: #9b59b6; font-size: 1em;\">4. Van x\u1ea3<\/h4>\n<p style=\"margin: 0; font-size: 0.9em; color: #666;\">\u0110i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i, tho\u00e1t n\u01b0\u1edbc b\u00ean trong<\/p>\n<\/div>\n<div style=\"background: white; padding: 20px; border-top: 3px solid #f39c12;\">\n<h4 style=\"margin: 0 0 10px 0; color: #f39c12; font-size: 1em;\">5. Van c\u00e2n b\u1eb1ng<\/h4>\n<p style=\"margin: 0; font-size: 0.9em; color: #666;\">Ng\u0103n ch\u1eb7n s\u1ef1 h\u1ea1 xu\u1ed1ng kh\u00f4ng ki\u1ec3m so\u00e1t<\/p>\n<\/div>\n<\/div>\n<h3 style=\"color: #2c3e50; margin-top: 25px; font-size: 1.3em;\">4.3 \u0110\u1eb7c t\u00ednh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; background: white;\">\n<tbody>\n<tr style=\"background: #1e3a5f; color: white;\">\n<th style=\"padding: 12px 15px; text-align: left; width: 30%;\">Tham s\u1ed1<\/th>\n<th style=\"padding: 12px 15px; text-align: left;\">\u0110\u1eb7c t\u00ednh van tu\u1ea7n t\u1ef1<\/th>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t<\/td>\n<td style=\"padding: 12px 15px;\">\u0110i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o ho\u1eb7c b\u00ean ngo\u00e0i<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng<\/td>\n<td style=\"padding: 12px 15px;\">Van c\u1ed5ng th\u01b0\u1eddng \u0111\u00f3ng<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"padding: 12px 15px;\">Van m\u1edf ra, d\u1ea7u ch\u1ea3y qua.<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ph\u01b0\u01a1ng ph\u00e1p tho\u00e1t n\u01b0\u1edbc<\/td>\n<td style=\"padding: 12px 15px;\">c\u1ed1ng tho\u00e1t n\u01b0\u1edbc b\u00ean ngo\u00e0i<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 15px; font-weight: 600;\">Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n<td style=\"padding: 12px 15px;\">Ho\u1ea1t \u0111\u1ed9ng th\u1ee5 \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Section 5: Comprehensive Comparison --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">V. So s\u00e1nh nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; margin: 25px 0; font-size: 14px; background: white; box-shadow: 0 2px 8px rgba(0,0,0,0.1);\">\n<thead>\n<tr style=\"background: #1e3a5f; color: white;\">\n<th style=\"padding: 15px; text-align: left; width: 20%;\">So s\u00e1nh<\/th>\n<th style=\"padding: 15px; text-align: left; width: 26%;\">Van x\u1ea3 \u00e1p<\/th>\n<th style=\"padding: 15px; text-align: left; width: 27%;\">Gi\u1ea3m \u00e1p su\u1ea5t<\/th>\n<th style=\"padding: 15px; text-align: left; width: 27%;\">Van tu\u1ea7n t\u1ef1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 15px; font-weight: 600;\">Ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t<\/td>\n<td style=\"padding: 15px;\">\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/td>\n<td style=\"padding: 15px;\">\u00c1p su\u1ea5t \u0111\u1ea7u ra<\/td>\n<td style=\"padding: 15px;\">\u0110\u1ea7u v\u00e0o ho\u1eb7c b\u00ean ngo\u00e0i<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng<\/td>\n<td style=\"padding: 15px;\">Th\u01b0\u1eddng \u0111\u00f3ng<\/td>\n<td style=\"padding: 15px;\">Th\u01b0\u1eddng m\u1edf<\/td>\n<td style=\"padding: 15px;\">Th\u01b0\u1eddng \u0111\u00f3ng<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 15px; font-weight: 600;\">Tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"padding: 15px;\">M\u1edf (tr\u00e0n)<\/td>\n<td style=\"padding: 15px;\">H\u1eb9p<\/td>\n<td style=\"padding: 15px;\">M\u1edf<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0;\">\n<td style=\"padding: 15px; font-weight: 600;\">Ph\u01b0\u01a1ng ph\u00e1p tho\u00e1t n\u01b0\u1edbc<\/td>\n<td style=\"padding: 15px;\">H\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc b\u00ean trong<\/td>\n<td style=\"padding: 15px;\">c\u1ed1ng tho\u00e1t n\u01b0\u1edbc b\u00ean ngo\u00e0i<\/td>\n<td style=\"padding: 15px;\">c\u1ed1ng tho\u00e1t n\u01b0\u1edbc b\u00ean ngo\u00e0i<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #e0e0e0; background: #f9f9f9;\">\n<td style=\"padding: 15px; font-weight: 600;\">Ch\u1ee9c n\u0103ng ch\u00ednh<\/td>\n<td style=\"padding: 15px;\">B\u1ea3o v\u1ec7 an to\u00e0n<\/td>\n<td style=\"padding: 15px;\">Gi\u1ea3m \u00e1p su\u1ea5t<\/td>\n<td style=\"padding: 15px;\">\u0110i\u1ec1u khi\u1ec3n tu\u1ea7n t\u1ef1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; font-weight: 600;\">Ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n<td style=\"padding: 15px;\">Th\u1ee5 \u0111\u1ed9ng<\/td>\n<td style=\"padding: 15px;\">T\u00edch c\u1ef1c<\/td>\n<td style=\"padding: 15px;\">Th\u1ee5 \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Section 6: Fisher Brand --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">VI. Gi\u1edbi thi\u1ec7u v\u1ec1 Fisher<\/h2>\n<div style=\"background: white; padding: 30px; margin: 25px 0; border: 1px solid #e0e0e0;\">\n<p style=\"margin: 0 0 20px 0;\"><a style=\"color: #e74c3c; text-decoration: none; font-weight: 600; font-size: 1.1em;\" href=\"https:\/\/www.yunrui-controls.com\/vi\/brands\/fisher\/\">Fisher<\/a> l\u00e0 m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh c\u00f4ng nghi\u1ec7p, cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t, \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng v\u00e0 an to\u00e0n quy tr\u00ecnh.<\/p>\n<p style=\"margin: 0;\">YUNRUI cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh c\u00f4ng nghi\u1ec7p v\u00e0 thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng. <strong>S\u1ea3n ph\u1ea9m c\u1ee7a Fisher<\/strong> Bao g\u1ed3m van \u0111i\u1ec1u khi\u1ec3n, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t, b\u1ed9 \u0111\u1ecbnh v\u1ecb v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n van k\u1ef9 thu\u1eadt s\u1ed1. Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m.<\/p>\n<\/div>\n<p><!-- Section 7: Summary --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">VII. T\u00f3m t\u1eaft<\/h2>\n<div style=\"background: #1e3a5f; color: white; padding: 30px; margin: 25px 0;\">\n<h3 style=\"margin: 0 0 20px 0; font-size: 1.3em;\"><span style=\"color: #ffffff;\">Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/span><\/h3>\n<ul style=\"margin: 0; padding-left: 20px; line-height: 2;\">\n<li>Van an to\u00e0n ho\u1ea1t \u0111\u1ed9ng trong <strong>ch\u1ebf \u0111\u1ed9 th\u1ee5 \u0111\u1ed9ng<\/strong>, Van gi\u1ea3m \u00e1p ho\u1ea1t \u0111\u1ed9ng trong <strong>ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/strong><\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n van an to\u00e0n <strong>\u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/strong>, \u0111i\u1ec1u khi\u1ec3n van gi\u1ea3m \u00e1p <strong>\u00e1p su\u1ea5t \u0111\u1ea7u ra<\/strong><\/li>\n<li>Van an to\u00e0n c\u00f3 <strong>th\u01b0\u1eddng \u0111\u00f3ng<\/strong> c\u1ed5ng van, van gi\u1ea3m \u00e1p c\u00f3 <strong>th\u01b0\u1eddng m\u1edf<\/strong> c\u1ed5ng van<\/li>\n<li>Van tu\u1ea7n t\u1ef1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho <strong>\u0111i\u1ec1u khi\u1ec3n tu\u1ea7n t\u1ef1 \u0111a m\u1ea1ch<\/strong><\/li>\n<li>Ba van n\u00e0y c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau. <strong>ph\u01b0\u01a1ng ph\u00e1p tho\u00e1t n\u01b0\u1edbc<\/strong><\/li>\n<\/ul>\n<\/div>\n<p><!-- Related Articles --><\/p>\n<h2 style=\"color: #1e3a5f; font-size: 1.8em; margin-top: 40px; padding-bottom: 10px; border-bottom: 2px solid #1e3a5f;\">\u0110\u1ec1 xu\u1ea5t \u0111\u1ecdc<\/h2>\n<div style=\"background: white; padding: 25px; margin: 25px 0; border: 1px solid #e0e0e0;\">\n<ul style=\"margin: 0; padding-left: 20px; line-height: 2.2;\">\n<li><a style=\"color: #1e3a5f; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/vi\/control-valve-waterproof-and-moisture-proof-measures\/\">C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 ch\u1ed1ng \u1ea9m cho van \u0111i\u1ec1u khi\u1ec3n: H\u01b0\u1edbng d\u1eabn b\u1ea3o v\u1ec7 c\u00f4ng nghi\u1ec7p to\u00e0n di\u1ec7n<\/a><\/li>\n<li><a style=\"color: #1e3a5f; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-ez-series-single-seated-control-valve-technical-profile\/\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt van \u0111i\u1ec1u khi\u1ec3n m\u1ed9t ch\u1ed7 ng\u1ed3i d\u00f2ng Fisher EZ Series:<\/a><\/li>\n<li><a style=\"color: #1e3a5f; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-dvc6200-digital-valve-controller\/\">Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt: C\u1ea5u tr\u00fac v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n van k\u1ef9 thu\u1eadt s\u1ed1 Fisher DVC6200<\/a><\/li>\n<li><a style=\"color: #1e3a5f; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-657-and-fisher-667-diaphragm-actuators\/\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng m\u00e0ng Fisher 657 v\u00e0 Fisher 667: So s\u00e1nh k\u1ef9 thu\u1eadt v\u00e0 h\u01b0\u1edbng d\u1eabn b\u1ea3o tr\u00ec<\/a><\/li>\n<li><a style=\"color: #1e3a5f; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-mr98-series-technical-specification\/\">Van \u0111i\u1ec1u \u00e1p v\u00e0 van an to\u00e0n d\u00f2ng Fisher MR98<\/a><\/li>\n<\/ul>\n<\/div>\n<p><!-- Contact --><\/p>\n<div style=\"background: #f5f5f5; padding: 30px; text-align: center; margin: 40px 0;\">\n<h3 style=\"margin: 0 0 15px 0; color: #1e3a5f;\">T\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt<\/h3>\n<p style=\"margin: 0 0 10px 0; color: #666;\">\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c v\u00e0 van c\u00f4ng nghi\u1ec7p, vui l\u00f2ng li\u00ean h\u1ec7.<\/p>\n<p style=\"margin: 0;\"><a href=\"mailto:sales@yunrui-controls.com\"><span style=\"color: #e74c3c; font-weight: 600;\">sales@yunrui-controls.com<\/span><\/a><\/p>\n<\/div>\n<p style=\"color: #999; font-size: 0.85em; margin-top: 30px; padding-top: 20px; border-top: 1px solid #ddd;\">C\u1eadp nh\u1eadt l\u1ea7n cu\u1ed1i: Th\u00e1ng 5 n\u0103m 2026 | Danh m\u1ee5c: Van th\u1ee7y l\u1ef1c, Van \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t, H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Relief Valve vs Pressure Reducing Valve vs Sequence Valve Core Differences in Hydraulic Pressure Control Valves Article Overview \u2022 Structural principles of three valve types \u2022 Control pressure and drain method comparison \u2022 Valve port state and operating characteristics \u2022 Engineering applications and selection criteria I. Fundamental Concepts and Common Principles Hydraulic valves are essential [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"default","adv-header-id-meta":"","stick-header-meta":"default","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[384,1],"tags":[495,496,497,498,489,414,312],"class_list":["post-8299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs","tag-sequence-valve","tag-hydraulic-valves","tag-pressure-control","tag-industrial-valves","tag-relief-valve","tag-fisher-valves","tag-pressure-reducing-valve"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Relief Valve vs Pressure Reducing Valve vs Sequence Valve<\/title>\n<meta name=\"description\" content=\"Learn the core differences between relief valves, pressure reducing valves, and sequence valves. 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