{"id":4383,"date":"2026-03-18T05:23:10","date_gmt":"2026-03-18T05:23:10","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4383"},"modified":"2026-03-18T05:23:10","modified_gmt":"2026-03-18T05:23:10","slug":"%e6%b6%b2%e5%8e%8b%e5%8e%9f%e7%90%86%e5%9b%be%e7%ac%a6%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/zh\/hydraulic-schematic-symbols\/","title":{"rendered":"\u5982\u4f55\u9605\u8bfb\u6db2\u538b\u539f\u7406\u56fe\u7b26\u53f7\uff1a\u6cf5\u3001\u9600\u3001\u6267\u884c\u5668"},"content":{"rendered":"<h3>\u4ec0\u4e48\u662f\u6db2\u538b\u7b26\u53f7\uff1f<\/h3>\n<p>\u6c34\u529b\u7b26\u53f7\u662f\u6807\u51c6\u5316\u56fe\u5f62\uff0c\u5b9a\u4e49\u4e8e <a href=\"https:\/\/www.iso.org\/standard\/60184.html\">ISO 1219-1<\/a> \u63cf\u8ff0\u7ec4\u4ef6\u529f\u80fd\u548c\u7535\u8def\u903b\u8f91\u3002\u5de5\u7a0b\u5e08\u53ef\u4ee5\u901a\u8fc7\u5b83\u4eec\u4e0e\u6cf5\u3001\u9600\u95e8\u3001\u6267\u884c\u5668\u548c\u7ba1\u8def\u8fde\u63a5\u8fdb\u884c\u4ea4\u6d41\uff0c\u800c\u65e0\u9700\u4f7f\u7528\u6587\u5b57\u3002.<\/p>\n<p>\u666e\u901a\u5bb6\u5ead<\/p>\n<ul>\n<li><a href=\"\/hand-pump\/\">\u6c34\u6cf5<\/a>\u7bad\u5934\uff1a\u5e26\u5411\u5916\u7bad\u5934\u7684\u5706\u5708\uff1b\u659c\u7bad\u5934\u8868\u793a\u53ef\u53d8\u4f4d\u79fb\uff1b\u53cc\u7bad\u5934\u8868\u793a\u53cc\u5411\u4f4d\u79fb\u3002.<br \/>\n<div id='gallery-1' class='gallery galleryid-4383 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4207'><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Hand-Pump-Symbols.jpg\" class=\"attachment-medium size-medium\" alt=\"\u6db2\u538b\u624b\u52a8\u6cf5\u7b26\u53f7\" aria-describedby=\"gallery-1-4207\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Hand-Pump-Symbols.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Hand-Pump-Symbols-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Hand-Pump-Symbols-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4207'>\n\t\t\t\t\u6db2\u538b\u624b\u52a8\u6cf5\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4208'><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-fixed-displacement-hydraulic-pump-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5355\u5411\u56fa\u5b9a\u6392\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\" aria-describedby=\"gallery-1-4208\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-fixed-displacement-hydraulic-pump-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-fixed-displacement-hydraulic-pump-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-fixed-displacement-hydraulic-pump-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4208'>\n\t\t\t\t\u5355\u5411\u56fa\u5b9a\u6392\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4209'><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-fixed-displacement-hydraulic-pump-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u53cc\u5411\u56fa\u5b9a\u6392\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\" aria-describedby=\"gallery-1-4209\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-fixed-displacement-hydraulic-pump-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-fixed-displacement-hydraulic-pump-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-fixed-displacement-hydraulic-pump-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4209'>\n\t\t\t\t\u53cc\u5411\u56fa\u5b9a\u6392\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4210'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-variable-displacement-hydraulic-pump-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5355\u5411\u53d8\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\" aria-describedby=\"gallery-1-4210\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-variable-displacement-hydraulic-pump-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-variable-displacement-hydraulic-pump-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Unidirectional-variable-displacement-hydraulic-pump-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4210'>\n\t\t\t\t\u5355\u5411\u53d8\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4211'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-variable-displacement-hydraulic-pump-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u53cc\u5411\u53d8\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\" aria-describedby=\"gallery-1-4211\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-variable-displacement-hydraulic-pump-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-variable-displacement-hydraulic-pump-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Bidirectional-variable-displacement-hydraulic-pump-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-4211'>\n\t\t\t\t\u53cc\u5411\u53d8\u91cf\u6db2\u538b\u6cf5\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<li><a href=\"\/electric-motor\/\">\u53d1\u52a8\u673a<\/a>\uff1a\u5706\u5708\u5e26\u5411\u5185\u7bad\u5934\uff1b\u53ef\u53d8\u7ebf\u8868\u793a\u53ef\u8c03\u8282\u4f4d\u79fb\uff1b\u53cc\u5411\u5e26\u53cc\u7bad\u5934\u3002.<br \/>\n<div id='gallery-2' class='gallery galleryid-4383 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4212'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Electric-motor-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u7535\u673a\u7b26\u53f7\" aria-describedby=\"gallery-2-4212\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Electric-motor-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Electric-motor-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Electric-motor-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-2-4212'>\n\t\t\t\t\u7535\u673a\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4213'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Internal-Combustion-Engine-motor-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5185\u71c3\u673a\u53d1\u52a8\u673a\u7b26\u53f7\" aria-describedby=\"gallery-2-4213\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Internal-Combustion-Engine-motor-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Internal-Combustion-Engine-motor-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Internal-Combustion-Engine-motor-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-2-4213'>\n\t\t\t\t\u5185\u71c3\u673a\u53d1\u52a8\u673a\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<li><a href=\"\/hydraulic-cylinders\/\">\u6c14\u7f38<\/a>\uff1a\u5e26\u6d3b\u585e\u548c\u6d3b\u585e\u6746\u7684\u77e9\u5f62\uff1b\u901a\u8fc7\u7aef\u53e3\u5e03\u5c40\u548c\u5f39\u7c27\u5b9e\u73b0\u5355\u4f5c\u7528\u4e0e\u53cc\u4f5c\u7528\u3002.<br \/>\n<div id='gallery-3' class='gallery galleryid-4383 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4214'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Cylinder-Symbols.jpg\" class=\"attachment-medium size-medium\" alt=\"\u6db2\u538b\u7f38\u7b26\u53f7\" aria-describedby=\"gallery-3-4214\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Cylinder-Symbols.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Cylinder-Symbols-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Cylinder-Symbols-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-3-4214'>\n\t\t\t\t\u6db2\u538b\u7f38\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4215'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-cylinder.jpg\" class=\"attachment-medium size-medium\" alt=\"\u53cc\u4f5c\u7528\u6c14\u7f38\" aria-describedby=\"gallery-3-4215\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-cylinder.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-cylinder-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-cylinder-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-3-4215'>\n\t\t\t\t\u53cc\u4f5c\u7528\u6c14\u7f38\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4216'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Single-acting-Cylinder-with-Spring-Symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5e26\u5f39\u7c27\u7b26\u53f7\u7684\u5355\u4f5c\u7528\u6c14\u7f38\" aria-describedby=\"gallery-3-4216\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Single-acting-Cylinder-with-Spring-Symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Single-acting-Cylinder-with-Spring-Symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Single-acting-Cylinder-with-Spring-Symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-3-4216'>\n\t\t\t\t\u5e26\u5f39\u7c27\u7b26\u53f7\u7684\u5355\u4f5c\u7528\u6c14\u7f38\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4217'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-Cylinder-with-a-Double-Rod.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5e26\u53cc\u6746\u7684\u53cc\u4f5c\u7528\u6c14\u7f38\" aria-describedby=\"gallery-3-4217\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-Cylinder-with-a-Double-Rod.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-Cylinder-with-a-Double-Rod-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Double-acting-Cylinder-with-a-Double-Rod-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-3-4217'>\n\t\t\t\t\u5e26\u53cc\u6746\u7684\u53cc\u4f5c\u7528\u6c14\u7f38\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<li><a href=\"\/hydraulic-cartridge-valves\/\">\u9600\u95e8<\/a>\u56fe\u793a\uff1a\u6bcf\u4e2a\u4f4d\u7f6e\u4e00\u4e2a\u65b9\u6846\uff0c\u6bcf\u4e2a\u901a\u9053\u4e00\u4e2a\u7aef\u53e3\uff1b\u901a\u8fc7\u5f39\u7c27\u3001\u87ba\u7ebf\u7ba1\u3001\u6760\u6746\u8868\u793a\u9a71\u52a8\uff1b\u5185\u90e8\u7bad\u5934\u8868\u793a\u6d41\u91cf\u3002.<br \/>\n<div id='gallery-4' class='gallery galleryid-4383 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4218'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Flow-Control-Variable-Two-way-Valve.jpg\" class=\"attachment-medium size-medium\" alt=\"\u6db2\u538b\u6d41\u91cf\u63a7\u5236\u53ef\u53d8\u53cc\u5411\u9600\" aria-describedby=\"gallery-4-4218\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Flow-Control-Variable-Two-way-Valve.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Flow-Control-Variable-Two-way-Valve-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Flow-Control-Variable-Two-way-Valve-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-4-4218'>\n\t\t\t\t\u6db2\u538b\u6d41\u91cf\u63a7\u5236\u53ef\u53d8\u53cc\u5411\u9600\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4219'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Three-way-Hydraulic-Compensated-Flow-Regulator-Valve.jpg\" class=\"attachment-medium size-medium\" alt=\"\u4e09\u901a\u6db2\u538b\u8865\u507f\u6d41\u91cf\u8c03\u8282\u9600\" aria-describedby=\"gallery-4-4219\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Three-way-Hydraulic-Compensated-Flow-Regulator-Valve.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Three-way-Hydraulic-Compensated-Flow-Regulator-Valve-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Three-way-Hydraulic-Compensated-Flow-Regulator-Valve-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-4-4219'>\n\t\t\t\t\u4e09\u901a\u6db2\u538b\u8865\u507f\u6d41\u91cf\u8c03\u8282\u9600\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4220'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Calibrated-Check-Valve.jpg\" class=\"attachment-medium size-medium\" alt=\"\u6db2\u538b\u6821\u51c6\u5355\u5411\u9600\" aria-describedby=\"gallery-4-4220\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Calibrated-Check-Valve.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Calibrated-Check-Valve-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-Calibrated-Check-Valve-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-4-4220'>\n\t\t\t\t\u6db2\u538b\u6821\u51c6\u5355\u5411\u9600\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4221'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-check-valve-without-spring-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u4e0d\u5e26\u5f39\u7c27\u7b26\u53f7\u7684\u6db2\u538b\u5355\u5411\u9600\" aria-describedby=\"gallery-4-4221\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-check-valve-without-spring-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-check-valve-without-spring-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Hydraulic-check-valve-without-spring-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-4-4221'>\n\t\t\t\t\u4e0d\u5e26\u5f39\u7c27\u7b26\u53f7\u7684\u6db2\u538b\u5355\u5411\u9600\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<li>\u7ebf\u6761\u548c\u8fde\u63a5\uff1a\u5b9e\u7ebf\u538b\u529b\u7ebf\/\u5de5\u4f5c\u7ebf\u3001\u865a\u7ebf\u5f15\u6c34\u7ebf\u3001\u7ec6\u7ebf\u6216\u865a\u7ebf\u6392\u6c34\u7ba1\uff1b\u8fde\u63a5\u5904\u548c\u4ea4\u53c9\u5904\u4f7f\u7528\u660e\u663e\u6807\u8bb0\u3002.<br \/>\n<div id='gallery-5' class='gallery galleryid-4383 gallery-columns-5 gallery-size-medium'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4222'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Mainline-symbol.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5e72\u7ebf\u6807\u5fd7\" aria-describedby=\"gallery-5-4222\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Mainline-symbol.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Mainline-symbol-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Mainline-symbol-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-5-4222'>\n\t\t\t\t\u5e72\u7ebf\u6807\u5fd7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4223'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Pilot-Line-symbols.jpg\" class=\"attachment-medium size-medium\" alt=\"\u5f15\u5bfc\u7ebf\u7b26\u53f7\" aria-describedby=\"gallery-5-4223\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Pilot-Line-symbols.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Pilot-Line-symbols-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Pilot-Line-symbols-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-5-4223'>\n\t\t\t\t\u5f15\u5bfc\u7ebf\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4224'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Crossing-Line-symbols.jpg\" class=\"attachment-medium size-medium\" alt=\"\u4ea4\u53c9\u7ebf\u7b26\u53f7\" aria-describedby=\"gallery-5-4224\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Crossing-Line-symbols.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Crossing-Line-symbols-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Crossing-Line-symbols-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-5-4224'>\n\t\t\t\t\u4ea4\u53c9\u7ebf\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4225'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Drain-Line-Symbols.jpg\" class=\"attachment-medium size-medium\" alt=\"\u6392\u6c34\u7ba1\u7ebf\u7b26\u53f7\" aria-describedby=\"gallery-5-4225\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Drain-Line-Symbols.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Drain-Line-Symbols-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Drain-Line-Symbols-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-5-4225'>\n\t\t\t\t\u6392\u6c34\u7ba1\u7ebf\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/hydrathpower.com\/zh\/?attachment_id=4226'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Flexible-Hose-Line-Pipe-Symbols.jpg\" class=\"attachment-medium size-medium\" alt=\"\u67d4\u6027\u8f6f\u7ba1\u7ba1\u9053\u7b26\u53f7\" aria-describedby=\"gallery-5-4226\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Flexible-Hose-Line-Pipe-Symbols.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Flexible-Hose-Line-Pipe-Symbols-150x150.jpg 150w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2025\/11\/Flexible-Hose-Line-Pipe-Symbols-12x12.jpg 12w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-5-4226'>\n\t\t\t\t\u67d4\u6027\u8f6f\u7ba1\u7ba1\u9053\u7b26\u53f7\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n<\/li>\n<li>\u7aef\u53e3\uff1aP\uff08\u538b\u529b\uff09\u3001T\uff08\u6cb9\u7bb1\/\u56de\u6cb9\uff09\u3001A\/B\uff08\u6267\u884c\u5668\uff09\u3001X\uff08\u5148\u5bfc\u4f9b\u6cb9\uff09\u3001Y\uff08\u5148\u5bfc\u6392\u6cb9\uff09\u3002.<\/li>\n<\/ul>\n<h3>\u5982\u4f55\u9605\u8bfb\u6db2\u538b\u539f\u7406\u56fe<\/h3>\n<ol>\n<li>\u67e5\u627e\u6cf5\uff1a\u786e\u5b9a\u7535\u6e90\u548c\u8f93\u51fa\u65b9\u5411\u3002.<\/li>\n<li>\u4ece P \u5f00\u59cb\u8ddf\u8e2a\uff1a\u6cbf\u538b\u529b\u7ba1\u8def\u81f3\u5b89\u5168\u9600\u548c\u4e3b\u9600 <a href=\"\/hydraulic-directional-valve\/\">\u6362\u5411\u9600<\/a>.<\/li>\n<li>\u89e3\u7801\u9600\u95e8\uff1a\u8ba1\u7b97\u4f4d\u7f6e\u548c\u7aef\u53e3\uff0c\u6ce8\u610f\u9a71\u52a8\u548c\u4e2d\u5fc3\u72b6\u6001\u3002.<\/li>\n<li>\u8bc6\u522b\u6267\u884c\u5668\uff1aA\/B \u4e0a\u7684\u6c14\u7f38\u6216\u7535\u673a\uff1b\u786e\u8ba4\u5355\u7f38\u4e0e\u53cc\u7f38 <a href=\"\/double-acting-power-packs\/\">\u53cc\u4f5c\u7528<\/a>.<\/li>\n<li>\u68c0\u67e5\u56de\u6c34\u548c\u6392\u6c34\uff1aT \u578b\u7ba1\u7ebf\u548c\u4efb\u4f55\u5916\u90e8 Y \u578b\u6392\u6c34\u7ba1\u3002.<\/li>\n<li>\u5ba1\u67e5\u5148\u5bfc\u63a7\u5236\uff1aX\/Y \u865a\u7ebf\uff0c\u7528\u4e8e\u9065\u63a7\u6216\u7535\u52a8\u6db2\u538b\u63a7\u5236\u3002.<\/li>\n<li>\u68c0\u67e5\u4fdd\u62a4\u88c5\u7f6e\uff1a\u6ea2\u6d41\u9600\u3001\u6b62\u56de\u9600\u3001\u6d41\u91cf\u63a7\u5236\u9600\u548c\u8fc7\u6ee4\u5668\uff1b\u786e\u4fdd <a href=\"https:\/\/www.iso.org\/standard\/44781.html\">ISO 4413<\/a> \u5b89\u5168\u529f\u80fd\u3002.<\/li>\n<\/ol>\n<h3>ISO \u4e0e ANSI \u7b26\u53f7\u8bf4\u660e<\/h3>\n<ul>\n<li>\u7b26\u53f7\u5927\u4f53\u76f8\u4f3c\uff1b\u9879\u76ee\u533a\u57df\u5728\u9ed8\u8ba4\u503c\u548c\u7ed8\u56fe\u4e60\u60ef\u4e0a\u6709\u6240\u4e0d\u540c\u3002.<\/li>\n<li>\u5bf9\u4e8e\u5168\u5c40\u6027\u5de5\u4f5c\uff0c\u5e94\u63d0\u4f9b\u5305\u542b\u7aef\u53e3\u5b57\u6bcd\u548c\u7ebf\u6761\u7c7b\u578b\u7684\u56fe\u4f8b\uff1b\u907f\u514d\u6a21\u68f1\u4e24\u53ef\u7684\u4ea4\u53c9\u3002.<\/li>\n<\/ul>\n<h3>\u5feb\u901f\u8868\u683c\uff1a\u7ebf\u8def\u7c7b\u578b\u548c\u7aef\u53e3<\/h3>\n<ul>\n<li>\u5b9e\u7ebf\uff1a\u5de5\u4f5c\/\u538b\u529b<\/li>\n<li>\u865a\u7ebf\uff1a\u98de\u884c\u5458\u63a7\u5236<\/li>\n<li>\u7ec6\u7ebf\/\u70b9\u7ebf\uff1a\u6392\u6c34\u6216\u6e17\u6f0f<\/li>\n<li>P\uff1a\u6cf5\u538b\uff1bT\uff1a\u6cb9\u7bb1\/\u56de\u6cb9\u53e3\uff1bA\/B\uff1a\u6267\u884c\u5668\uff1bX\uff1a\u5148\u5bfc\u4f9b\u6cb9\uff1bY\uff1a\u5148\u5bfc\u6392\u6cb9\u53e3<\/li>\n<\/ul>\n<h3>\u4f18\u52bf\u548c\u5e38\u89c1\u8bef\u533a<\/h3>\n<ul>\n<li>\u4f18\u70b9\uff1a\u6c9f\u901a\u7cbe\u786e\u3001\u6545\u969c\u6392\u9664\u66f4\u5feb\u3001\u8de8\u56e2\u961f\u5ba1\u67e5\u66f4\u5bb9\u6613\u3002.<\/li>\n<li>\u9677\u9631\uff1a\u6df7\u5408\u6807\u51c6\u3001\u8bef\u8bfb\u4e2d\u5fc3\u4f4d\u7f6e\u3001\u5ffd\u7565\u5916\u90e8\u6392\u6c34\u53e3\u548c\u5bfc\u5411\u7ba1\u3002.<\/li>\n<\/ul>\n<p>\u5efa\u8bae\uff1a\u5728\u6bcf\u4e2a\u539f\u7406\u56fe\u4e0a\u4fdd\u7559\u4e00\u4e2a\u7b26\u53f7\u56fe\u4f8b\uff0c\u5e76\u5c06\u9600\u95e8\u7b26\u53f7\u4e0e\u6570\u636e\u8868\u76f8\u5339\u914d\u3002.<\/p>\n<h3>\u5e38\u89c1\u95ee\u9898<\/h3>\n<ul>\n<li>P \u548c T \u4ee3\u8868\u4ec0\u4e48\uff1f<br \/>\nP \u662f\u6765\u81ea\u6cf5\u7684\u538b\u529b\uff0cT \u662f\u6cb9\u7bb1\/\u56de\u6cb9\u7bb1\u7684\u538b\u529b\u3002\u5728\u6362\u5411\u9600\u4e0a\uff0cP \u4e3a\u9600\u95e8\u4f9b\u6cb9\uff0cT \u4e3a\u56de\u6cb9\u3002.<\/li>\n<li>\u6211\u6709\u591a\u5c11\u4e2a\u9600\u95e8\u4f4d\u7f6e\uff1f<br \/>\n\u6570\u65b9\u6846\u30024\/3 \u9600\u95e8\u6709\u56db\u4e2a\u7aef\u53e3\u548c\u4e09\u4e2a\u4f4d\u7f6e\uff1b\u4e2d\u5fc3\u72b6\u6001\u5b9a\u4e49\u4e86\u4e2d\u6027\u884c\u4e3a\u3002.<\/li>\n<li>\u4ec0\u4e48\u662f\u9600\u95e8\u4e0a\u7684 X \u548c Y\uff1f<br \/>\nX \u4e3a\u5148\u5bfc\u4f9b\u538b\uff0cY \u4e3a\u5148\u5bfc\u6cc4\u538b\u3002\u5916\u90e8\u5148\u5bfc\u53ef\u63d0\u9ad8\u67d0\u4e9b\u6b67\u7ba1\u7684\u7a33\u5b9a\u6027\u3002.<\/li>\n<li>\u5982\u4f55\u533a\u5206\u5355\u52a8\u7f38\u548c\u53cc\u52a8\u7f38\uff1f<br \/>\n\u7aef\u53e3\u663e\u793a\u5355\u4fa7\u6216\u53cc\u4fa7\u52a0\u538b\uff1b\u5f39\u7c27\u6216\u91cd\u529b\u56de\u590d\u6807\u8bb0\u4e3a\u5355\u52a8\u5f0f\u3002.<\/li>\n<li>\u54ea\u6761\u7ebf\u8def\u662f\u8bd5\u70b9\uff1f<br \/>\n\u865a\u7ebf\u8868\u793a\u5148\u5bfc\u63a7\u5236\u7535\u8def\uff1b\u5982\u679c\u6807\u8bb0\u4e3a Y\uff0c\u5219\u4f7f\u7528\u5355\u72ec\u7684\u6392\u6c34\u53e3\u3002.<\/li>\n<\/ul>\n<pre><code class=\"language-json\"><\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>What are hydraulic symbols? Hydraulic symbols are standardized graphics defined in ISO 1219\u20111 that describe component functions and circuit logic. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4247,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","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":[1],"tags":[],"class_list":["post-4383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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