{"id":4624,"date":"2026-05-06T06:53:58","date_gmt":"2026-05-06T06:53:58","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4624"},"modified":"2026-06-05T02:13:05","modified_gmt":"2026-06-05T02:13:05","slug":"%e3%82%ab%e3%82%a6%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%90%e3%83%a9%e3%83%b3%e3%82%b9%e3%83%bb%e3%83%90%e3%83%ab%e3%83%96%e3%81%ae%e3%83%92%e3%82%b9%e3%83%86%e3%83%aa%e3%82%b7%e3%82%b9%e8%a9%a6%e9%a8%93","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/ja\/counterbalance-valve-hysteresis-test-results-flow-path-analysis-across-three-operating-states\/","title":{"rendered":"\u30ab\u30a6\u30f3\u30bf\u30d0\u30e9\u30f3\u30b9\u5f01\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u8a66\u9a13\u7d50\u679c\uff1a3\u3064\u306e\u52d5\u4f5c\u72b6\u614b\u306b\u304a\u3051\u308b\u6d41\u8def\u89e3\u6790"},"content":{"rendered":"<h2>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u3068\u306f\uff1f<\/h2>\n<p>A <a href=\"\/counterbalance-valve\/\">\u30ab\u30a6\u30f3\u30bf\u30d0\u30e9\u30f3\u30b9\u5f01<\/a>, \u30aa\u30fc\u30d0\u30fc\u30bb\u30f3\u30bf\u30fc\u30d0\u30eb\u30d6\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u3053\u306e\u30d0\u30eb\u30d6\u306f\u3001\u8ca0\u8377\u306b\u304b\u304b\u308b\u5727\u529b\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u305f\u3081\u306b\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u4e0b\u6d41\u5074\u306b\u8a2d\u7f6e\u3055\u308c\u307e\u3059\u3002\u30b7\u30ea\u30f3\u30c0\u304c\u5782\u76f4\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u8377\u91cd\u3092\u652f\u6301\u3057\u3001\u65b9\u5411\u5236\u5fa1\u5f01\u304c\u52d5\u3044\u3066\u8377\u91cd\u3092\u4e0b\u3052\u308b\u3068\u3001\u8377\u91cd\u306f\u30b7\u30ea\u30f3\u30c0\u304b\u3089\u6d41\u4f53\u3092\u62bc\u3057\u51fa\u3057\u3001\u305d\u306e\u91cd\u3055\u306b\u3088\u3063\u3066\u5236\u5fa1\u4e0d\u80fd\u306b\u843d\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<div class=\"highlight-box\">\n<p>\u5de5\u696d\u898f\u683c\u306f\u3001\u6c34\u529b\u8a2d\u8a08\u306e\u6c7a\u5b9a\u3092\u5c0e\u304f\u3082\u306e\u3067\u3042\u308b\u3002\u305d\u308c\u306b\u3088\u308b\u3068 <a href=\"https:\/\/www.iso.org\/standard\/53564.html\" target=\"_blank\" rel=\"nofollow noopener\">ISO 4413:2010<\/a>, \u8a2d\u8a08\u8005\u306f\u3001\u90e8\u54c1\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u3081\u308b\u969b\u306b\u3001\u6700\u5927\u5727\u529b\u3068\u6700\u5927\u6e29\u5ea6\u3092\u8003\u616e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b89\u5168\u306a\u904b\u8ee2\u3068\u9577\u5bff\u547d\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002.<\/p>\n<\/div>\n<p>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306f\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u306b\u6253\u3061\u52dd\u3064\u305f\u3081\u306b\u3001\u901a\u5e38\u306f\u30b7\u30ea\u30f3\u30c0\u30fc\u30a4\u30f3\u30ec\u30c3\u30c8\u304b\u3089\u306e\u30d1\u30a4\u30ed\u30c3\u30c8\u4fe1\u53f7\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30d1\u30a4\u30ed\u30c3\u30c8\u30a2\u30b7\u30b9\u30c8\u306f\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u96fb\u529b\u8981\u4ef6\u3068\u767a\u71b1\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u6975\u7aef\u306b\u5c11\u306a\u3044\u6d41\u91cf\u3067\u306f\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306f\u30b5\u30fc\u30de\u30eb\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u3068\u3057\u3066\u3082\u6a5f\u80fd\u3057\u307e\u3059\u3002.<\/p>\n<figure id=\"attachment_4626\" aria-describedby=\"caption-attachment-4626\" style=\"width: 469px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hysteresis-test-results-for-four-counterbalance-valves.-The-test-demonstrates-how-dynamic-seals-introduce-friction-causing-lag-and-pressure-overshoot-in-valve-response-300x202.jpg\" class=\"wp-image-4626 lazyload\" alt=\"4\u3064\u306e\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u30c6\u30b9\u30c8\u7d50\u679c\u3002\u3053\u306e\u8a66\u9a13\u306f\u3001\u52d5\u7684\u30b7\u30fc\u30eb\u304c\u3044\u304b\u306b\u6469\u64e6\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u30d0\u30eb\u30d6\u5fdc\u7b54\u306b\u304a\u3051\u308b\u9045\u308c\u3068\u5727\u529b\u306e\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u3092\u5f15\u304d\u8d77\u3053\u3059\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3002\" width=\"469\" height=\"316\"><figcaption id=\"caption-attachment-4626\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"wp-image-4626\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hysteresis-test-results-for-four-counterbalance-valves.-The-test-demonstrates-how-dynamic-seals-introduce-friction-causing-lag-and-pressure-overshoot-in-valve-response-300x202.jpg\" alt=\"4\u3064\u306e\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u30c6\u30b9\u30c8\u7d50\u679c\u3002\u3053\u306e\u8a66\u9a13\u306f\u3001\u52d5\u7684\u30b7\u30fc\u30eb\u304c\u3044\u304b\u306b\u6469\u64e6\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u30d0\u30eb\u30d6\u5fdc\u7b54\u306b\u304a\u3051\u308b\u9045\u308c\u3068\u5727\u529b\u306e\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u3092\u5f15\u304d\u8d77\u3053\u3059\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3002\" width=\"469\" height=\"316\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hysteresis-test-results-for-four-counterbalance-valves.-The-test-demonstrates-how-dynamic-seals-introduce-friction-causing-lag-and-pressure-overshoot-in-valve-response-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hysteresis-test-results-for-four-counterbalance-valves.-The-test-demonstrates-how-dynamic-seals-introduce-friction-causing-lag-and-pressure-overshoot-in-valve-response-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hysteresis-test-results-for-four-counterbalance-valves.-The-test-demonstrates-how-dynamic-seals-introduce-friction-causing-lag-and-pressure-overshoot-in-valve-response-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Hysteresis-test-results-for-four-counterbalance-valves.-The-test-demonstrates-how-dynamic-seals-introduce-friction-causing-lag-and-pressure-overshoot-in-valve-response.jpg 869w\" sizes=\"(max-width: 469px) 100vw, 469px\" \/><\/noscript> 4\u3064\u306e\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u30c6\u30b9\u30c8\u7d50\u679c\u3002\u3053\u306e\u8a66\u9a13\u306f\u3001\u52d5\u7684\u30b7\u30fc\u30eb\u304c\u3044\u304b\u306b\u6469\u64e6\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u30d0\u30eb\u30d6\u5fdc\u7b54\u306b\u304a\u3051\u308b\u9045\u308c\u3068\u5727\u529b\u306e\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u3092\u5f15\u304d\u8d77\u3053\u3059\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3002<\/figcaption><\/figure>\n<h2>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3068\u306f\uff1f<\/h2>\n<p>\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3068\u306f\u3001\u30d0\u30eb\u30d6\u306e\u5fdc\u7b54\u306b\u304a\u3051\u308b\u9045\u308c\u3084\u9045\u5ef6\u3092\u6307\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30ab\u30a6\u30f3\u30bf\u30d0\u30e9\u30f3\u30b9\u5f01\u306b\u306f\u3001\u6469\u64e6\u3092\u3082\u305f\u3089\u3059 1\uff5e3 \u500b\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6469\u64e6\u306b\u3088\u308a\u30d0\u30eb\u30d6\u304c\u56fa\u7740\u3057\u3001\u5727\u529b\u306e\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u304c\u751f\u3058\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30d0\u30eb\u30d6\u306f\u305d\u308c\u81ea\u4f53\u3092\u4fee\u6b63\u3057\u3001\u4e0d\u8db3\u5206\u3092\u88dc\u3046\u305f\u3081\u306b\u52d5\u304d\u307e\u3059\u3002.<\/p>\n<p>\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u306e\u7d50\u679c\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308b\uff1a<\/p>\n<ul>\n<li><strong>\u5727\u529b\u30b7\u30e7\u30c3\u30af<\/strong><\/li>\n<li><strong>\u5927\u304d\u306a\u632f\u52d5<\/strong><\/li>\n<li><strong>\u9ad8\u5468\u6ce2\u306e\u9cf4\u304d<\/strong><\/li>\n<\/ul>\n<div class=\"warning-box\">\n<p>\u3053\u306e\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u306f\u6b21\u306e\u3088\u3046\u306a\u539f\u56e0\u3067\u8d77\u3053\u308b\u3053\u3068\u304c\u3042\u308b\u3002 <a href=\"\/hydraulic-cylinders\/\">\u30b7\u30ea\u30f3\u30c0\u30fc<\/a> \u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u305d\u306e\u3082\u306e\u3088\u308a\u3082\u3001\u3080\u3057\u308d\u305d\u306e\u8a2d\u8a08\u306e\u65b9\u304c\u91cd\u8981\u3067\u3042\u308b\u3002\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u5185\u90e8\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u304c\u591a\u3051\u308c\u3070\u591a\u3044\u307b\u3069\u3001\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u306f\u6fc0\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u3082\u3057\u30b7\u30ea\u30f3\u30c0\u30fc\u304c\u539f\u56e0\u3067\u3042\u308c\u3070\u3001\u4e16\u754c\u4e2d\u306e\u3069\u3093\u306a\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u3082\u3053\u306e\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u3092\u306a\u304f\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n<\/div>\n<h2>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u3068\u5f93\u6765\u306e\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6<\/th>\n<th>\u5f93\u6765\u306e\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e3b\u8981\u6a5f\u80fd<\/td>\n<td>\u8377\u91cd\u4fdd\u6301\uff0b\u5236\u5fa1\u4e0b\u964d<\/td>\n<td>\u904e\u5727\u4fdd\u8b77<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30a4\u30ed\u30c3\u30c8\u30fb\u30a2\u30b7\u30b9\u30c8<\/td>\n<td>\u30b7\u30ea\u30f3\u30c0\u30fc\u30dd\u30fc\u30c8\u304b\u3089<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<tr>\n<td>\u30b7\u30fc\u30eb\u6570<\/td>\n<td>1\uff5e3\u500b\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\uff08\u4ee3\u8868\u5024\uff09<\/td>\n<td>1\u30b7\u30fc\u30eb\uff08\u4ee3\u8868\u5024\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u30fb\u30ea\u30b9\u30af<\/td>\n<td>\u3088\u308a\u9ad8\u3044<\/td>\n<td>\u3088\u308a\u4f4e\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u5fdc\u7b54\u901f\u5ea6<\/td>\n<td>\u6469\u64e6\u306b\u3088\u308a\u9045\u3044<\/td>\n<td>\u3088\u308a\u901f\u304f<\/td>\n<\/tr>\n<tr>\n<td>\u767a\u71b1<\/td>\n<td>\u3088\u308a\u9ad8\u3044<\/td>\n<td>\u3088\u308a\u4f4e\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u7387\u306e\u9055\u3044\u306b\u3088\u308b\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>\u307b\u3068\u3093\u3069\u306e\u30ab\u30a6\u30f3\u30bf\u30d0\u30e9\u30f3\u30b9\u5f01\u306f\u3001\u4ee5\u4e0b\u306e\u7bc4\u56f2\u306e\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 <strong>1.75:1\uff5e12.0:1<\/strong>.<\/p>\n<h3>\u8abf\u6574\u53ef\u80fd\u306a\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u306e\u9577\u6240<\/h3>\n<ul>\n<li>\u7279\u5b9a\u306e\u6a5f\u5668\u8981\u4ef6\u306b\u5bfe\u5fdc\u53ef\u80fd<\/li>\n<li>\u4e0d\u5b89\u5b9a\u306a\u52d5\u4f5c\u3092\u89e3\u6d88\u3059\u308b\u5834\u5408\u3082\u3042\u308b<\/li>\n<li>\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u306b\u67d4\u8edf\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n<h3>\u8abf\u6574\u53ef\u80fd\u306a\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u306e\u6b20\u70b9<\/h3>\n<ul>\n<li>\u8a66\u884c\u932f\u8aa4\u306e\u9078\u629e\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b<\/li>\n<li>\u8aa4\u3063\u305f\u6bd4\u7387\u306f\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u306e\u554f\u984c\u3092\u5897\u5e45\u3055\u305b\u308b<\/li>\n<li>\u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u306e\u5897\u52a0<\/li>\n<\/ul>\n<div class=\"highlight-box\">\n<p><strong>\u63a8\u5968\u3055\u308c\u308b\u7df4\u7fd2\u65b9\u6cd5\uff1a<\/strong> \u73fe\u5834\u3067\u306e\u7d4c\u9a13\u306b\u57fa\u3065\u304f <strong>\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd44:1<\/strong> \u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306f\u3001\u8907\u6570\u306e\u6bd4\u7387\u3092\u8a66\u3059\u3053\u3068\u306a\u304f\u3001\u307b\u3068\u3093\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8981\u4ef6\u3092\u6e80\u305f\u3057\u307e\u3059\u3002.<\/p>\n<figure id=\"attachment_4629\" aria-describedby=\"caption-attachment-4629\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Cross-section-view-of-a-counterbalance-valve-showing-flow-paths-in-three-operating-states.-Flow-paths-are-determined-by-pressure-at-ports-1-2-and-3-acting-on-the-pilot-valve-spool-blue-and-che-300x202.jpg\" class=\"size-medium wp-image-4629 lazyload\" alt=\"\u4e09\u3064\u306e\u4f5c\u52d5\u72b6\u614b\u306b\u304a\u3051\u308b\u6d41\u8def\u3092\u793a\u3059\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u306e\u65ad\u9762\u56f3\u3002\u6d41\u8def\u306f\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30d0\u30eb\u30d6\u306e\u30b9\u30d7\u30fc\u30eb\uff08\u9752\uff09\u306b\u4f5c\u7528\u3059\u308b\u30dd\u30fc\u30c81\u30012\u30013\u306e\u5727\u529b\u3068\u30c1\u30a7\" width=\"300\" height=\"202\"><figcaption id=\"caption-attachment-4629\" class=\"wp-caption-text\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4629\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Cross-section-view-of-a-counterbalance-valve-showing-flow-paths-in-three-operating-states.-Flow-paths-are-determined-by-pressure-at-ports-1-2-and-3-acting-on-the-pilot-valve-spool-blue-and-che-300x202.jpg\" alt=\"\u4e09\u3064\u306e\u4f5c\u52d5\u72b6\u614b\u306b\u304a\u3051\u308b\u6d41\u8def\u3092\u793a\u3059\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u306e\u65ad\u9762\u56f3\u3002\u6d41\u8def\u306f\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30d0\u30eb\u30d6\u306e\u30b9\u30d7\u30fc\u30eb\uff08\u9752\uff09\u306b\u4f5c\u7528\u3059\u308b\u30dd\u30fc\u30c81\u30012\u30013\u306e\u5727\u529b\u3068\u30c1\u30a7\" width=\"300\" height=\"202\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Cross-section-view-of-a-counterbalance-valve-showing-flow-paths-in-three-operating-states.-Flow-paths-are-determined-by-pressure-at-ports-1-2-and-3-acting-on-the-pilot-valve-spool-blue-and-che-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Cross-section-view-of-a-counterbalance-valve-showing-flow-paths-in-three-operating-states.-Flow-paths-are-determined-by-pressure-at-ports-1-2-and-3-acting-on-the-pilot-valve-spool-blue-and-che-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Cross-section-view-of-a-counterbalance-valve-showing-flow-paths-in-three-operating-states.-Flow-paths-are-determined-by-pressure-at-ports-1-2-and-3-acting-on-the-pilot-valve-spool-blue-and-che-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/04\/Cross-section-view-of-a-counterbalance-valve-showing-flow-paths-in-three-operating-states.-Flow-paths-are-determined-by-pressure-at-ports-1-2-and-3-acting-on-the-pilot-valve-spool-blue-and-che.jpg 869w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript> \u4e09\u3064\u306e\u4f5c\u52d5\u72b6\u614b\u306b\u304a\u3051\u308b\u6d41\u8def\u3092\u793a\u3059\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u306e\u65ad\u9762\u56f3\u3002\u6d41\u8def\u306f\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30d0\u30eb\u30d6\u306e\u30b9\u30d7\u30fc\u30eb\uff08\u9752\uff09\u306b\u4f5c\u7528\u3059\u308b\u30dd\u30fc\u30c81\u30012\u30013\u306e\u5727\u529b\u3068\u30c1\u30a7<\/figcaption><\/figure>\n<\/div>\n<h2>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u306e\u8a3a\u65ad\u65b9\u6cd5<\/h2>\n<div class=\"checklist\">\n<ol>\n<li><strong>\u5727\u529b\u30b7\u30e7\u30c3\u30af\u306e\u30c1\u30a7\u30c3\u30af<\/strong> \u8ca0\u8377\u964d\u4e0b\u4e2d<\/li>\n<li><strong>\u632f\u52d5\u3084\u30ad\u30fc\u30ad\u30fc\u97f3\u3092\u805e\u304f<\/strong> \u30d0\u30eb\u30d6\u4ed8\u8fd1<\/li>\n<li><strong>\u30ec\u30b9\u30dd\u30f3\u30b9\u30fb\u30e9\u30b0\u306e\u6e2c\u5b9a<\/strong> \u30d1\u30a4\u30ed\u30c3\u30c8\u4fe1\u53f7\u3068\u30d0\u30eb\u30d6\u64cd\u4f5c\u306e\u9593<\/li>\n<li><strong>\u30b7\u30fc\u30eb\u306e\u72b6\u614b\u3092\u70b9\u691c\u3059\u308b<\/strong> \u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u5834\u5408<\/li>\n<li><strong>\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u7387\u3092\u5909\u3048\u3066\u30c6\u30b9\u30c8<\/strong> \u30b7\u30ea\u30f3\u30c0\u30fc\u3068\u30d0\u30eb\u30d6\u306e\u8d77\u6e90\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ol>\n<\/div>\n<h2>\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3092\u4f4e\u6e1b\u307e\u305f\u306f\u9664\u53bb\u3059\u308b\u65b9\u6cd5<\/h2>\n<h3>\u5bfe\u75c7\u7642\u6cd5\uff08\u4e00\u6642\u3057\u306e\u304e\uff09<\/h3>\n<ol>\n<li><strong>\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u306e\u8abf\u6574<\/strong> \u7279\u5b9a\u306e\u6a5f\u5668\u306b\u5408\u308f\u305b\u308b<\/li>\n<li><strong>\u30b7\u30e7\u30fc\u30c8\u30b9\u30c8\u30ed\u30fc\u30af\u307e\u305f\u306f\u30a2\u30b8\u30e3\u30b9\u30bf\u30d6\u30eb\u30b9\u30c8\u30ed\u30fc\u30af\u306e\u30d0\u30eb\u30d6\u3092\u4f7f\u7528\u3059\u308b<\/strong> \u5b89\u5b9a\u3059\u308b\u307e\u3067\u6d41\u308c\u3092\u5236\u9650\u3059\u308b\uff08\u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u304c\u5897\u3048\u308b\uff09<\/li>\n<li><strong>\u5c0f\u5bb9\u91cf\u306e\u30aa\u30ea\u30d5\u30a3\u30b9\u307e\u305f\u306f\u30a2\u30ad\u30e5\u30e0\u30ec\u30fc\u30bf\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u308b\u3002<\/strong> \u53cd\u5fdc\u3092\u6e1b\u8870\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30fb\u30e9\u30a4\u30f3\u306e\u4e2d\u306b\u5165\u308c\u308b\uff08\u6d41\u4f53\u306e\u7c98\u5ea6\u306b\u654f\u611f\u3002\uff09<\/li>\n<\/ol>\n<p>\u3053\u306e\u3088\u3046\u306a\u5fdc\u6025\u51e6\u7f6e\u306f\u3001\u75c7\u72b6\u306b\u306f\u5bfe\u51e6\u3059\u308b\u304c\u3001\u6839\u672c\u7684\u306a\u539f\u56e0\u306b\u306f\u5bfe\u51e6\u3057\u306a\u3044\u3002.<\/p>\n<h3>\u6839\u672c\u539f\u56e0\u306e\u89e3\u6c7a\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u306e\u6392\u9664<\/h3>\n<p>\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3092\u306a\u304f\u3059\u305f\u3081\u306b\u306f\u3001\u5168\u3066\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u3092\u53d6\u308a\u9664\u304b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u306e\u306a\u3044\u30ab\u30a6\u30f3\u30bf\u30d0\u30e9\u30f3\u30b9\u5f01\u306f\u3001\u5b9f\u8cea\u7684\u306b\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30d0\u30eb\u30d6\u306e\u901f\u5ea6\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u5165\u529b\u4fe1\u53f7\u306b\u3082\u8ffd\u5f93\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u901f\u3055\u3067\u3042\u308a\u3001\u30d0\u30a6\u30f3\u30b7\u30f3\u30b0\u3001\u5927\u304d\u306a\u30ce\u30a4\u30ba\u3001\u9ad8\u5468\u6ce2\u306e\u9cf4\u304d\u3092\u6392\u9664\u3057\u307e\u3059\u3002.<\/p>\n<p>\u30d1\u30a4\u30ed\u30c3\u30c8\u30d4\u30b9\u30c8\u30f3\u306b\u306f\u30b7\u30fc\u30eb\u304c\u306a\u3044\u305f\u3081\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30d4\u30b9\u30c8\u30f3\u304b\u3089\u5c11\u91cf\u306e\u4f5c\u52d5\u6cb9\u304c\u6f0f\u308c\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30e9\u30a4\u30f3\u304b\u3089\u7a7a\u6c17\u304c\u6392\u51fa\u3055\u308c\u3001\u6e29\u304b\u3044\u6f64\u6ed1\u6cb9\u304c\u5faa\u74b0\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30d0\u30eb\u30d6\u306e\u5fdc\u7b54\u6027\u304c\u975e\u5e38\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u30b7\u30ea\u30f3\u30c0\u3078\u306e\u30d0\u30eb\u30d6\u306e\u6700\u9069\u306a\u53d6\u308a\u4ed8\u3051\u4f4d\u7f6e\u306f\u3001\u30d1\u30a4\u30ed\u30c3\u30c8\u30e9\u30a4\u30f3\u3068\u30b9\u30d7\u30ea\u30f3\u30b0\u5ba4\u304b\u3089\u306e\u30a8\u30a2\u629c\u304d\u3092\u7d20\u65e9\u304f\u884c\u3046\u305f\u3081\u306b\u3001\u8abf\u6574\u306d\u3058\u304c\u4e0b\u3092\u5411\u3044\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n<p>\u5168\u3066\u306e\u696d\u754c\u6a19\u6e96\u306e\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u3068\u540c\u69d8\u306b\u3001\u8abf\u6574\u30cd\u30b8\u3092\u6642\u8a08\u56de\u308a\u306b\u56de\u8ee2\u3055\u305b\u308b\u3068\u5727\u529b\u304c\u5897\u52a0\u3057\u3001\u53cd\u6642\u8a08\u56de\u308a\u306b\u56de\u8ee2\u3055\u305b\u308b\u3068\u5727\u529b\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<div class=\"faq-item\">\n<p><strong>Q: \u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30fb\u30d0\u30eb\u30d6\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u306e\u539f\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong>A: \u52d5\u7684\u30b7\u30fc\u30eb\u306f\u6469\u64e6\u3092\u751f\u307f\u3001\u30d0\u30eb\u30d6\u304c\u56fa\u7740\u3057\u3066\u53cd\u5fdc\u304c\u9045\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5727\u529b\u306e\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u3084\u9045\u308c\u304c\u751f\u3058\u307e\u3059\u3002.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Q: \u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3092\u5b8c\u5168\u306b\u306a\u304f\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>A: \u306f\u3044\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u306e\u306a\u3044\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u5f01\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u8a08\u306f\u3001\u6469\u64e6\u3092\u767a\u751f\u6e90\u304b\u3089\u6392\u9664\u3057\u307e\u3059\u3002.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Q\uff1a\u3069\u306e\u3088\u3046\u306a\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u7387\u3092\u9078\u3079\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/strong>A: \u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u306f4:1\u3067\u307b\u3068\u3093\u3069\u306e\u7528\u9014\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u3088\u308a\u9ad8\u3044\u6bd4\u7387\u306f\u3001\u3088\u308a\u5927\u304d\u306a\u4fdd\u6301\u529b\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u5fdc\u7b54\u306e\u9045\u308c\u3092\u5897\u52a0\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Q: \u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u306e\u539f\u56e0\u306f\u5e38\u306b\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u3067\u3059\u304b\uff1f<\/strong>A: \u3044\u3044\u3048\u3002\u30b7\u30ea\u30f3\u30c0\u30fc\u306e\u8a2d\u8a08\u304c\u30d3\u30d3\u30ea\u306e\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u3067\u306f\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u306e\u554f\u984c\u306b\u3088\u308b\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<p><strong>Q: \u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30fb\u30d0\u30eb\u30d6\u3068\u30aa\u30fc\u30d0\u30fc\u30bb\u30f3\u30bf\u30fc\u30fb\u30d0\u30eb\u30d6\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong>A\uff1a\u9055\u3044\u306f\u306a\u3044\u3002\u540d\u524d\u304c\u9055\u3046\u3060\u3051\u3067\u540c\u3058\u90e8\u54c1\u3067\u3059\u3002.<\/p>\n<\/div>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u306f\u30ab\u30a6\u30f3\u30bf\u30fc\u30d0\u30e9\u30f3\u30b9\u30d0\u30eb\u30d6\u306e\u5927\u6575\u3067\u3059\u3002\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u306f\u6469\u64e6\u3092\u767a\u751f\u3055\u305b\u3001\u5727\u529b\u306e\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u3001\u632f\u52d5\u3001\u9a12\u97f3\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u30d1\u30a4\u30ed\u30c3\u30c8\u6bd4\u3092\u8abf\u6574\u3059\u308b\u306a\u3069\u306e\u4e00\u6642\u7684\u306a\u5bfe\u7b56\u3067\u75c7\u72b6\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u771f\u306e\u89e3\u6c7a\u7b56\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u3092\u5b8c\u5168\u306b\u6392\u9664\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u7cbe\u5bc6\u306a\u8ca0\u8377\u5236\u5fa1\u3092\u5fc5\u8981\u3068\u3059\u308b\u7528\u9014\u306b\u306f\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30b7\u30fc\u30eb\u306a\u3057\u3067\u8a2d\u8a08\u3055\u308c\u305f\u30ab\u30a6\u30f3\u30bf\u30d0\u30e9\u30f3\u30b9\u5f01\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306f\u3001\u3088\u308a\u901f\u3044\u5fdc\u7b54\u3001\u30ce\u30a4\u30ba\u306e\u4f4e\u6e1b\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u306e\u6539\u5584\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is a Counterbalance Valve? A counterbalance valve, sometimes called an overcenter valve, is installed downstream of an actuator to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4747,"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-4624","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 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Counterbalance Valve Hysteresis Test Results: Flow Path Analysis Across Three Operating States - Hydrath Power<\/title>\n<meta name=\"description\" content=\"Explore counterbalance valve hysteresis test results showing flow paths in three operating states. 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