{"id":8507,"date":"2026-06-22T19:38:25","date_gmt":"2026-06-22T19:38:25","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8507"},"modified":"2026-06-22T19:38:25","modified_gmt":"2026-06-22T19:38:25","slug":"valve-actuator-direct-reverse-action","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/ja\/valve-actuator-direct-reverse-action\/","title":{"rendered":"\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\uff1a\u73fe\u5834\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u305f\u3081\u306e\u5b9f\u8df5\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u5236\u5fa1\u6280\u8853\u8005\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u30d7\u30e9\u30f3\u30c8\u306b\u304a\u3044\u3066\u3001\u5236\u5fa1\u5f01\u306f\u6700\u7d42\u5236\u5fa1\u8981\u7d20\u3067\u3042\u308a\u3001\u5236\u5fa1\u5f01\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306f\u305d\u306e\u539f\u52d5\u6a5f\u3067\u3059\u3002\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306fDCS\u304b\u30894-20mA\u4fe1\u53f7\u3092\u53d7\u3051\u53d6\u308a\u3001\u5f01\u30b9\u30c6\u30e0\u3092\u99c6\u52d5\u3057\u3066\u30aa\u30f3\/\u30aa\u30d5\u5236\u5fa1\u307e\u305f\u306f\u5909\u8abf\u5236\u5fa1\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u8a66\u904b\u8ee2\u4e2d\u306b\u30d0\u30eb\u30d6\u304c\u4e88\u60f3\u3068\u306f\u9006\u65b9\u5411\u306b\u52d5\u304f\u3068\u3001\u591a\u304f\u306e\u82e5\u624b\u6280\u8853\u8005\u304c\u6df7\u4e71\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u307e\u3055\u306b\u3001\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u304c\u7406\u89e3\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u539f\u56e0\u3067\u3059\u3002.<\/p>\n<p>YUNRUI\u3067\u306f\u3001\u672c\u7269\u306e\u88fd\u54c1\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/brands\/fisher\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc<\/a> \u56fd\u969b\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u7523\u696d\u5411\u3051\u306e\u5236\u5fa1\u5f01\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u3001\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u73fe\u5834\u3067\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u89b3\u70b9\u304b\u3089\u3001\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u9069\u5207\u306a\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u52d5\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u7a7a\u6c17\u5727\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u5224\u5b9a\u65b9\u6cd5\u3084\u96fb\u52d5\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u69cb\u6210\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n<h2>\ud83d\udd35 What Are Valve Actuator Direct and Reverse Action?<\/h2>\n<p>\u306e <strong>\u76f4\u63a5\u4f5c\u7528\u3068\u9006\u4f5c\u7528<\/strong> \u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff08\u4e00\u822c\u7684\u306b\u306f\u7a7a\u6c17\u5727\u5f0f\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u307e\u305f\u306f\u96fb\u52d5\u5f0f\uff09\u306e\u539f\u7406\u306f\u3001\u57fa\u672c\u7684\u306b\u6b21\u306e1\u3064\u306e\u539f\u5247\u306b\u96c6\u7d04\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u76f4\u63a5\u4f5c\u52d5\uff08\u30a8\u30a2\u30fb\u30c8\u30a5\u30fb\u30aa\u30fc\u30d7\u30f3\u3001ATO\uff09\uff1a<\/strong> \u4fe1\u53f7\u304c\u5897\u52a0\u3059\u308b \u2192 \u30b9\u30c6\u30e0\u304c\u5185\u5074\u306b\u5f15\u3063\u8fbc\u3080 \u2192 \u30d0\u30eb\u30d6\u304c\u958b\u304f\u3002.<\/li>\n<li><strong>\u9006\u52d5\u4f5c\uff08\u30a8\u30a2\u30fb\u30c8\u30a5\u30fb\u30af\u30ed\u30fc\u30ba\u3001ATC\uff09\uff1a<\/strong> \u4fe1\u53f7\u304c\u5897\u52a0\u3059\u308b \u2192 \u30b9\u30c6\u30e0\u304c\u5916\u5074\u306b\u4f38\u3073\u308b \u2192 \u30d0\u30eb\u30d6\u304c\u9589\u3058\u308b\u3002.<\/li>\n<\/ul>\n<p>\u899a\u3048\u3066\u304a\u304f\u3079\u304d2\u3064\u306e\u7c21\u5358\u306a\u7d4c\u9a13\u5247 <strong>v<\/strong>alve\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c:<\/p>\n<ul>\n<li><strong>\u7a7a\u6c17\u958b\u653e\u5f0f\uff08ATO\uff09\uff1a<\/strong> \u7a7a\u6c17\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u2192\u30d0\u30eb\u30d6\u304c\u958b\u304d\u307e\u3059\u3002\u7a7a\u6c17\u304c\u5931\u308f\u308c\u308b\u5834\u5408\u2192\u30d0\u30eb\u30d6\u304c\u9589\u3058\u307e\u3059\u3002.<\/li>\n<li><strong>\u822a\u7a7a\u6a5f\u306b\u3088\u308b\u63a5\u8fd1\uff08ATC\uff09\uff1a<\/strong> \u7a7a\u6c17\u304c\u5b58\u5728\u3059\u308b\u3068\u30d0\u30eb\u30d6\u304c\u9589\u3058\u3001\u7a7a\u6c17\u304c\u5931\u308f\u308c\u308b\u3068\u30d0\u30eb\u30d6\u304c\u958b\u304d\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u30b9\u30d7\u30ea\u30f3\u30b0\u306f\u3053\u3053\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u76f4\u52d5\u5f0f\u7a7a\u6c17\u5727\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u3067\u306f\u3001\u7a7a\u6c17\u5727\u304c\u306a\u304f\u306a\u308b\u3068\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u30b9\u30c6\u30e0\u3092\u5916\u5074\u306b\u62bc\u3057\u51fa\u3057\u307e\u3059\u3002\u9006\u52d5\u5f0f\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u3067\u306f\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u30b9\u30c6\u30e0\u3092\u5185\u5074\u306b\u62bc\u3057\u8fbc\u307f\u307e\u3059\u3002\u3053\u306e\u30b9\u30d7\u30ea\u30f3\u30b0\u5fa9\u5e30\u6a5f\u69cb\u304c\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u52d5\u4f5c\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n<h2>\ud83d\udfe0 Why Do We Need Both Direct and Reverse Action?<\/h2>\n<p>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u30921\u3064\u306b\u6a19\u6e96\u5316\u3057\u306a\u3044\u7406\u7531\u306f\uff1f\u305d\u308c\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u5b89\u5168\u6027\u304c\u305d\u308c\u3092\u8981\u6c42\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u7528\u9014\u306b\u3088\u3063\u3066\u3001\u7a7a\u6c17\u4f9b\u7d66\u3084\u4fe1\u53f7\u304c\u9014\u7d76\u3048\u305f\u969b\u306b\u30d0\u30eb\u30d6\u304c\u5b89\u5168\u306a\u72b6\u614b\uff08\u5168\u958b\u307e\u305f\u306f\u5168\u9589\uff09\u306b\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u76f4\u63a5\u52d5\u4f5c\u3068\u9006\u52d5\u4f5c\u306f\u3001\u3053\u306e\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u52d5\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002.<\/p>\n<p><strong>\u7d44\u307f\u5408\u308f\u305b\u8ad6\u7406:<\/strong> \u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3068\u30d0\u30eb\u30d6\u672c\u4f53\u306e\u53d6\u308a\u4ed8\u3051\u65b9\u6cd5\uff08\u76f4\u63a5\u307e\u305f\u306f\u9006\uff09\u306b\u3088\u3063\u3066\u3001\u6700\u7d42\u7684\u306a\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u4f4d\u7f6e\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002.<\/p>\n<h3>\ud83d\udfe2 Scenario 1: Feed Valve (Fail-Close Required)<\/h3>\n<p><strong>\u8981\u4ef6\uff1a<\/strong> \u7a7a\u6c17\u6f0f\u308c\u306b\u3088\u308b\u904e\u5270\u306a\u7269\u8cea\u306e\u6d41\u308c\u3092\u9632\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<br \/>\n<strong>\u69cb\u6210\uff1a<\/strong> \u9006\u52d5\u4f5c\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff08ATC\uff09\uff0b\u76f4\u63a5\u53d6\u308a\u4ed8\u3051\u5f0f\u30d0\u30eb\u30d6\u672c\u4f53\u3002.<br \/>\n<strong>\u7d50\u679c\uff1a<\/strong> \u7a7a\u6c17\u304c\u629c\u3051\u308b\u3068\u3001\u30b9\u30c6\u30e0\u304c\u5f15\u3063\u8fbc\u307f\u3001\u30d0\u30eb\u30d6\u304c\u9589\u3058\u307e\u3059\u3002.<\/p>\n<h3>\ud83d\udfe3 Scenario 2: Vent Valve (Fail-Open Required)<\/h3>\n<p><strong>\u8981\u4ef6\uff1a<\/strong> \u7a7a\u6c17\u6f0f\u308c\u306b\u3088\u308b\u904e\u5727\u3092\u9632\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<br \/>\n<strong>\u69cb\u6210\uff1a<\/strong> \u76f4\u52d5\u5f0f\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff08ATO\uff09\uff0b\u76f4\u63a5\u53d6\u308a\u4ed8\u3051\u5f0f\u30d0\u30eb\u30d6\u672c\u4f53\u3002.<br \/>\n<strong>\u7d50\u679c\uff1a<\/strong> \u7a7a\u6c17\u304c\u629c\u3051\u308b\u3068\u3001\u30b9\u30c6\u30e0\u304c\u4f38\u3073\u3066\u30d0\u30eb\u30d6\u304c\u958b\u304d\u307e\u3059\u3002.<\/p>\n<h3>\ud83d\udd35 Scenario 3: Furnace Fuel Gas Valve (Fail-Close Required)<\/h3>\n<p><strong>\u8981\u4ef6\uff1a<\/strong> \u7a7a\u6c17\u6f0f\u308c\u306b\u3088\u308b\u7d99\u7d9a\u7684\u306a\u52a0\u71b1\u304a\u3088\u3073\u904e\u71b1\u306e\u53ef\u80fd\u6027\u3092\u9632\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<br \/>\n<strong>\u69cb\u6210\uff1a<\/strong> \u9006\u52d5\u4f5c\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff08ATC\uff09\uff0b\u76f4\u63a5\u53d6\u308a\u4ed8\u3051\u5f0f\u30d0\u30eb\u30d6\u672c\u4f53\u3002.<br \/>\n<strong>\u7d50\u679c\uff1a<\/strong> \u7a7a\u6c17\u304c\u629c\u3051\u308b\u3068\u3001\u30b9\u30c6\u30e0\u304c\u5f15\u3063\u8fbc\u307f\u3001\u30d0\u30eb\u30d6\u304c\u9589\u3058\u3001\u30d0\u30fc\u30ca\u30fc\u304c\u505c\u6b62\u3057\u307e\u3059\u3002.<\/p>\n<p>\u8981\u3059\u308b\u306b\uff1a <strong>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c<\/strong> \u3053\u308c\u306f\u5197\u9577\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u7dca\u6025\u6642\u306b\u30d0\u30eb\u30d6\u304c\u81ea\u52d5\u7684\u306b\u30d7\u30ed\u30bb\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u3059\u3079\u3066\u306e\u6280\u8853\u8005\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6642\u306b\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002.<\/p>\n<h2>\ud83d\udd34 How to Determine Valve Actuator Action: The 3-Step Field Method<\/h2>\n<p>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4f5c\u696d\u4e2d\u3001\u914d\u7dda\u30df\u30b9\u3084\u8abf\u6574\u30df\u30b9\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3092\u8fc5\u901f\u306b\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u8907\u96d1\u306a\u5de5\u5177\u3092\u4f7f\u308f\u305a\u306b\u7a7a\u6c17\u5727\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u76f4\u63a5\u9006\u52d5\u4f5c\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u3001\u5b9f\u7528\u7684\u306a3\u30b9\u30c6\u30c3\u30d7\u306e\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d71\uff1a\u4fe1\u53f7\u306e\u7a2e\u985e\uff08\u96fb\u6c17\u5f0f\u304b\u7a7a\u6c17\u5727\u5f0f\u304b\uff09\u3092\u7279\u5b9a\u3059\u308b<\/h3>\n<p>\u307e\u305a\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u7a2e\u985e\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7a7a\u6c17\u5727\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff1a<\/strong> \u5727\u7e2e\u7a7a\u6c17\uff0820\uff5e100 kPa\u307e\u305f\u306f3\uff5e15 psi\uff09\u3067\u99c6\u52d5\u3055\u308c\u30014\uff5e20 mA\u306e\u96fb\u6d41\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/brands\/fisher\/valve-positioners\/\"><strong>\u30d0\u30eb\u30d6\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc<\/strong><\/a> \u96fb\u6c17\u4fe1\u53f7\u3092\u7a7a\u6c17\u5727\u306b\u5909\u63db\u3059\u308b\u88c5\u7f6e\u3002.<\/li>\n<li><strong>\u96fb\u52d5\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff1a<\/strong> \u30e2\u30fc\u30bf\u30fc\u99c6\u52d5\u5f0f\u3067\u30014\uff5e20mA\u306e\u96fb\u6d41\u3092\u76f4\u63a5\u4f9b\u7d66\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u3069\u3061\u3089\u306e\u5834\u5408\u3082\u30ed\u30b8\u30c3\u30af\u306f\u540c\u3058\u3067\u3059\u3002\u4fe1\u53f7\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u830e\u306e\u52d5\u304d\u306e\u65b9\u5411\u3092\u89b3\u5bdf\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d72\uff1a\u6a19\u6e96\u4fe1\u53f7\u3092\u9069\u7528\u3059\u308b\uff08\u901a\u5e38\u52d5\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\uff09<\/h3>\n<p>\u4fe1\u53f7\u767a\u751f\u5668\u3092\u4f7f\u7528\u3057\u30664mA\u300112mA\u300120mA\u306e\u96fb\u6d41\u3092\u5370\u52a0\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u6642\u70b9\u3067\u306e\u30b9\u30c6\u30e0\u306e\u4f4d\u7f6e\u3092\u89b3\u5bdf\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>4 mA\uff08\u6700\u5c0f\u4fe1\u53f7\uff09\uff1a<\/strong> \u30b9\u30c6\u30e0\u306e\u4f4d\u7f6e\uff08\u4f38\u5c55\uff0f\u53ce\u7e2e\uff09\u3092\u8a18\u9332\u3057\u307e\u3059\u3002.<\/li>\n<li><strong>12 mA\uff08\u4e2d\u9593\u70b9\uff09\uff1a<\/strong> \u30b9\u30c6\u30e0\u304c\u4e2d\u9593\u4f4d\u7f6e\u307e\u3067\u79fb\u52d5\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u89b3\u5bdf\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>20 mA\uff08\u6700\u5927\u4fe1\u53f7\uff09\uff1a<\/strong> \u30b9\u30c6\u30e0\u306e\u4f4d\u7f6e\uff08\u4f38\u5c55\uff0f\u53ce\u7e2e\uff09\u3092\u8a18\u9332\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u4fe1\u53f7\u767a\u751f\u5668\u304c\u306a\u3044\u5834\u5408\u3001\u7a7a\u6c17\u5727\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306f\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u3092\u4ecb\u3057\u3066\u5727\u7e2e\u7a7a\u6c17\u3067\u30c6\u30b9\u30c8\u3067\u304d\u3001\u96fb\u6c17\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306fHART\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30bf\u30fc\u3092\u4ecb\u3057\u3066\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002\u539f\u7406\u306f\u540c\u3058\u3067\u3059\u3002.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d73\uff1a\u76f4\u63a5\u4f5c\u7528\u304b\u9006\u4f5c\u7528\u304b\u3092\u5224\u65ad\u3059\u308b<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; background: #fff;\">\n<tbody>\n<tr style=\"background: #2c3e50; color: #fff;\">\n<th style=\"border: 1px solid #2c3e50; padding: 12px; text-align: left;\">\u4fe1\u53f7\u306e\u5909\u5316<\/th>\n<th style=\"border: 1px solid #2c3e50; padding: 12px; text-align: left;\">\u830e\u306e\u52d5\u304d<\/th>\n<th style=\"border: 1px solid #2c3e50; padding: 12px; text-align: left;\">\u30a2\u30af\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<tr style=\"background: #e8f5e9;\">\n<td style=\"border: 1px solid #ddd; padding: 12px;\">4 mA \u2192 20 mA<\/td>\n<td style=\"border: 1px solid #ddd; padding: 12px;\">\u5c55\u958b \u2192 \u683c\u7d0d<\/td>\n<td style=\"border: 1px solid #ddd; padding: 12px;\"><strong style=\"color: #2e7d32;\">\u76f4\u63a5\u884c\u52d5\uff08ATO\uff09<\/strong><\/td>\n<\/tr>\n<tr style=\"background: #fff3e0;\">\n<td style=\"border: 1px solid #ddd; padding: 12px;\">4 mA \u2192 20 mA<\/td>\n<td style=\"border: 1px solid #ddd; padding: 12px;\">\u683c\u7d0d \u2192 \u5c55\u958b<\/td>\n<td style=\"border: 1px solid #ddd; padding: 12px;\"><strong style=\"color: #ef6c00;\">\u9006\u52d5\u4f5c\uff08ATC\uff09<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u26a0\ufe0f\u3088\u304f\u3042\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u30df\u30b9\uff1a<\/strong> \u300c\u30d0\u30eb\u30d6\u306e\u958b\u9589\u65b9\u5411\u300d\u3068\u300c\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u300d\u3092\u6df7\u540c\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u4f8b\u3048\u3070\u3001\u76f4\u52d5\u5f0f\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\uff08\u4fe1\u53f7\u5897\u52a0\u6642\u306b\u30b9\u30c6\u30e0\u304c\u5f8c\u9000\u3057\u3001\u30d0\u30eb\u30d6\u304c\u958b\u304f\uff09\u3068\u9006\u5411\u304d\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u30d0\u30eb\u30d6\u672c\u4f53\uff08\u30b9\u30c6\u30e0\u306e\u5f8c\u9000\u306b\u3088\u308a\u30d0\u30eb\u30d6\u304c\u9589\u3058\u308b\uff09\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u4fe1\u53f7\u5897\u52a0\u6642\u306b\u30d0\u30eb\u30d6\u304c\u9589\u3058\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u81ea\u4f53\u306f\u76f4\u52d5\u5f0f\u3067\u3059\u304c\u3001\u7d44\u307f\u5408\u308f\u305b\u305f\u30a2\u30bb\u30f3\u30d6\u30ea\u306b\u3088\u3063\u3066\u30d0\u30eb\u30d6\u306e\u52d5\u304d\u304c\u9006\u306b\u306a\u308b\u3060\u3051\u3067\u3059\u3002.<\/p>\n<h2>\ud83d\udfe1 Valve Actuator Troubleshooting: Action-Related Faults<\/h2>\n<p>\u30d0\u30eb\u30d6\u304c\u6b63\u3057\u304f\u52d5\u304b\u306a\u3044\u5834\u5408\u306f\u3001\u307e\u305a\u30ec\u30f3\u30c1\u306b\u624b\u3092\u4f38\u3070\u3055\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002 <strong>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c<\/strong> \u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3002.<\/p>\n<h3>\u274c Fault 1: Signal Increases, Valve Closes (Opposite Movement)<\/h3>\n<p><strong>\u8a3a\u65ad\uff1a<\/strong> \u78ba\u8a8d\u3057\u307e\u3059 <strong>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u76f4\u63a5\u52d5\u4f5c\u307e\u305f\u306f\u9006\u52d5\u4f5c<\/strong> \u30d7\u30ed\u30bb\u30b9\u8981\u4ef6\u306b\u9069\u5408\u3057\u307e\u3059\u3002\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u304c\u6b63\u52d5\u4f5c\u304c\u5fc5\u8981\u306a\u3068\u304d\u306b\u9006\u52d5\u4f5c\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u30dd\u30b8\u30b7\u30e7\u30ca\u306e\u52d5\u4f5c\u30c7\u30a3\u30c3\u30d7\u30b9\u30a4\u30c3\u30c1\uff0f\u30b8\u30e3\u30f3\u30d1\u30fc\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u52d5\u4f5c\u304c\u9006\u306b\u306a\u308a\u307e\u3059\u3002.<br \/>\n<strong>\u2705 Solution:<\/strong> \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u52d5\u4f5c\u8a2d\u5b9a\uff08\u7a7a\u6c17\u5727\u5f0f\uff09\u3092\u8abf\u6574\u3059\u308b\u304b\u3001\u96fb\u52d5\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u30e1\u30cb\u30e5\u30fc\u3067\u300c\u52d5\u4f5c\u65b9\u5411\u300d\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h3>\u274c Fault 2: Valve Fails to Safe Position on Air Loss<\/h3>\n<p><strong>\u8a3a\u65ad\uff1a<\/strong> \u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3068\u30d0\u30eb\u30d6\u672c\u4f53\u306e\u53d6\u308a\u4ed8\u3051\u65b9\u6cd5\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d5\u30a7\u30a4\u30eb\u30af\u30ed\u30fc\u30ba\u6a5f\u80fd\u304c\u5fc5\u8981\u306a\u306e\u306b\u3001\u7a7a\u6c17\u6f0f\u308c\u6642\u306b\u30d0\u30eb\u30d6\u304c\u958b\u304f\u5834\u5408\u3001\u76f4\u52d5\u5f0f\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u30d0\u30eb\u30d6\u672c\u4f53\u304c\u9006\u5411\u304d\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u304b\u306e\u3069\u3061\u3089\u304b\u3067\u3059\u3002.<br \/>\n<strong>\u2705 Solution:<\/strong> \u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3092\u5909\u66f4\u3059\u308b\uff08\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u53cd\u8ee2\u3055\u305b\u308b\u304b\u3001\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u8a2d\u5b9a\u3092\u8abf\u6574\u3059\u308b\uff09\u304b\u3001\u30d0\u30eb\u30d6\u672c\u4f53\u304c\u9006\u5411\u304d\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u90e8\u9580\u306b\u76f8\u8ac7\u3057\u3066\u6b63\u3057\u3044\u53d6\u308a\u4ed8\u3051\u69cb\u6210\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5b9f\u969b\u306b\u306f\u3001\u30d0\u30eb\u30d6\u672c\u4f53\u306e\u518d\u53d6\u308a\u4ed8\u3051\u3088\u308a\u3082\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3092\u5909\u66f4\u3059\u308b\u65b9\u304c\u306f\u308b\u304b\u306b\u4e00\u822c\u7684\u3067\u3059\u3002.<\/p>\n<h3>\u274c Fault 3: Normal Signal, but Stem Movement Is Jerky or Stiff<\/h3>\n<p><strong>\u8a3a\u65ad\uff1a<\/strong> \u307e\u305a\u6a5f\u68b0\u7684\u306a\u554f\u984c\uff08\u30b9\u30c6\u30e0\u306e\u56fa\u7740\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u75b2\u52b4\u3001\u30d0\u30eb\u30d6\u30b9\u30c6\u30e0\u306e\u713c\u304d\u4ed8\u304d\uff09\u3092\u9664\u5916\u3057\u307e\u3059\u3002\u6a5f\u68b0\u7684\u306a\u72b6\u614b\u304c\u826f\u597d\u3067\u3042\u308c\u3070\u3001 <strong>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c<\/strong> \u4fe1\u53f7\u3068\u52d5\u4f5c\u306e\u4e0d\u4e00\u81f4\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u304e\u3053\u3061\u306a\u3044\u53cd\u5fdc\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<br \/>\n<strong>\u2705 Solution:<\/strong> \u6a5f\u68b0\u90e8\u54c1\u3092\u6e05\u6383\u30fb\u6f64\u6ed1\u3057\u305f\u5f8c\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3068\u30b9\u30c8\u30ed\u30fc\u30af\u3092\u518d\u8abf\u6574\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2>\ud83d\udfe2 Key Takeaways: 3 Rules for Valve Actuator Action<\/h2>\n<div style=\"background: #f3e5f5; border-left: 4px solid #7b1fa2; padding: 15px; margin: 20px 0;\">\n<ol>\n<li><strong>\u830e\u306e\u90e8\u5206\u3060\u3051\u3092\u898b\u308b\uff1a<\/strong> \u4fe1\u53f7\u304c\u4e0a\u5411\u304d\u3067\u3001\u8a9e\u5e79\u304c\u5185\u5074\u306e\u5834\u5408\uff1d\u76f4\u63a5\u52d5\u4f5c\uff08ATO\uff09\u3002\u4fe1\u53f7\u304c\u4e0a\u5411\u304d\u3067\u3001\u8a9e\u5e79\u304c\u5916\u5074\u306e\u5834\u5408\uff1d\u9006\u52d5\u4f5c\uff08ATC\uff09\u3002.<\/li>\n<li><strong>\u5b89\u5168\u304c\u76ee\u7684\u3067\u3059\u3002<\/strong> \u30d0\u30eb\u30d6\u306e\u53d6\u308a\u4ed8\u3051\u3068\u4f75\u305b\u3066\u3001\u7a7a\u6c17\u307e\u305f\u306f\u4fe1\u53f7\u304c\u9014\u7d76\u3048\u305f\u969b\u306b\u3001\u30d0\u30eb\u30d6\u304c\u5b89\u5168\u306a\u4f4d\u7f6e\uff08\u5168\u958b\u307e\u305f\u306f\u5168\u9589\uff09\u306b\u78ba\u5b9f\u306b\u505c\u6b62\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li><strong>\u307e\u305a\u30ec\u30f3\u30c1\u306b\u624b\u3092\u4f38\u3070\u3055\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/strong> \u8abf\u6574\u3092\u884c\u3046\u524d\u306b\u3001\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u8ee2\u30fb\u9006\u8ee2\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u52d5\u4f5c\u304c\u9006\u8ee2\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u307e\u305a\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u8a2d\u5b9a\u3092\u8abf\u6574\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d0\u30eb\u30d6\u306e\u30cd\u30b8\u3092\u56de\u3057\u59cb\u3081\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n<\/div>\n<h2>\ud83d\udcac FAQ: Valve Actuator Direct and Reverse Action<\/h2>\n<h3>\u76f4\u63a5\u884c\u52d5\u3068\u9006\u884c\u52d5\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p><strong>\u76f4\u63a5\u884c\u52d5\uff08ATO\uff09\uff1a<\/strong> \u4fe1\u53f7\u304c\u5897\u52a0\u3059\u308b \u2192 \u30b9\u30c6\u30e0\u304c\u53ce\u7e2e\u3059\u308b \u2192 \u30d0\u30eb\u30d6\u304c\u958b\u304f\u3002. <strong>\u9006\u52d5\u4f5c\uff08ATC\uff09\uff1a<\/strong> \u4fe1\u53f7\u304c\u5897\u52a0\u3059\u308b\u3068\u3001\u30b9\u30c6\u30e0\u304c\u4f38\u3073\u3001\u30d0\u30eb\u30d6\u304c\u9589\u3058\u308b\u3002\u91cd\u8981\u306a\u9055\u3044\u306f\u3001\u5236\u5fa1\u4fe1\u53f7\u304c\u5897\u52a0\u3057\u305f\u3068\u304d\u306e\u30b9\u30c6\u30e0\u306e\u52d5\u304d\u306e\u65b9\u5411\u3067\u3042\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4fe1\u53f7\u306e\u4e0a\u6607\u306b\u4f34\u3063\u3066\u30d0\u30eb\u30d6\u304c\u958b\u304f\u304b\u9589\u3058\u308b\u304b\u304c\u6c7a\u307e\u308b\u3002.<\/p>\n<h3>\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u3092\u53d6\u308a\u5916\u3055\u305a\u306b\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306f\u3044\u3002 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-fieldvue-dvc6200\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc DVC6200<\/a> \u307e\u305f\u306f\u540c\u69d8\u306e\u30b9\u30de\u30fc\u30c8\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u5834\u5408\u3001\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u8a2d\u5b9a\u307e\u305f\u306f\u7269\u7406\u7684\u306a\u30c7\u30a3\u30c3\u30d7\u30b9\u30a4\u30c3\u30c1\u306b\u3088\u3063\u3066\u53cd\u8ee2\u3067\u304d\u307e\u3059\u3002\u96fb\u52d5\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u5834\u5408\u306f\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30e1\u30cb\u30e5\u30fc\u306e\u300c\u52d5\u4f5c\u65b9\u5411\u300d\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6a5f\u68b0\u7684\u306a\u5206\u89e3\u306f\u4e0d\u8981\u3067\u3059\u3002.<\/p>\n<h3>\u81ea\u5206\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d7\u30f3\u304c\u5fc5\u8981\u304b\u3001\u30d5\u30a7\u30a4\u30eb\u30af\u30ed\u30fc\u30ba\u304c\u5fc5\u8981\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n<p>\u30d7\u30ed\u30bb\u30b9\u5b89\u5168\u5206\u6790\uff08PSA\uff09\u307e\u305f\u306f\u30cf\u30b6\u30fc\u30c9\u30fb\u30aa\u30da\u30e9\u30d3\u30ea\u30c6\u30a3\u30fb\u30b9\u30bf\u30c7\u30a3\uff08HAZOP\uff09\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u57fa\u672c\u7684\u306a\u539f\u5247\u306f\u3001\u4f9b\u7d66\u5f01\u306f\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u9632\u3050\u305f\u3081\u306b\u30d5\u30a7\u30a4\u30eb\u30af\u30ed\u30fc\u30ba\u3057\u3001\u30d9\u30f3\u30c8\u5f01\u3068\u30ea\u30ea\u30fc\u30d5\u5f01\u306f\u904e\u5727\u3092\u9632\u3050\u305f\u3081\u306b\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d7\u30f3\u3057\u3001\u71b1\u4ea4\u63db\u5668\u51b7\u5374\u5f01\u306f\u904e\u71b1\u3092\u9632\u3050\u305f\u3081\u306b\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d7\u30f3\u3059\u308b\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002.<\/p>\n<h3>\u30d0\u30eb\u30d6\u672c\u4f53\u3092\u9006\u5411\u304d\u306b\u53d6\u308a\u4ed8\u3051\u308b\u3068\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u52d5\u4f5c\u306f\u5909\u308f\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3002\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u306f\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u81ea\u4f53\u306e\u7279\u6027\u3067\u3059\u3002\u30d0\u30eb\u30d6\u672c\u4f53\u3092\u9006\u5411\u304d\u306b\u53d6\u308a\u4ed8\u3051\u308b\u3068\u3001\u30b9\u30c6\u30e0\u306e\u52d5\u304d\u3068\u30d0\u30eb\u30d6\u30d7\u30e9\u30b0\u306e\u4f4d\u7f6e\u306e\u95a2\u4fc2\u306f\u5909\u308f\u308a\u307e\u3059\u304c\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u5909\u308f\u308b\u306e\u306f\u3001\u30d0\u30eb\u30d6\u30a2\u30bb\u30f3\u30d6\u30ea\u5168\u4f53\u306e\u300c\u30d5\u30a7\u30a4\u30eb\u30bb\u30fc\u30d5\u300d\u52d5\u4f5c\u3067\u3059\u3002.<\/p>\n<h2>\ud83d\udcda\u95a2\u9023\u66f8\u7c4d<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ja\/valve-positioner-working-principle-troubleshooting\/\">\u30d0\u30eb\u30d6\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u52d5\u4f5c\u539f\u7406\uff0b\u73fe\u5834\u3067\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ja\/control-valve-cv-calculation-actuator-sizing\/\">\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u9078\u5b9a\u3068\u30d0\u30eb\u30d6\u306e\u30b5\u30a4\u30ba\u6c7a\u5b9a\uff1a\u5de5\u5b66\u7684\u8a08\u7b97\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ja\/fisher-dvc6200-dvc2000-feedback-troubleshooting\/\">Fisher DVC6200\/DVC2000 \u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u4fe1\u53f7\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a\u3088\u304f\u3042\u308b3\u3064\u306e\u73fe\u5834\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ja\/control-valve-accessories-guide\/\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d0\u30eb\u30d6\u30a2\u30af\u30bb\u30b5\u30ea\u30ac\u30a4\u30c9\uff1a\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306a\u3069<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ja\/fisher-67cfr-troubleshooting-guide\/\">Fisher 67CFR \u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\uff1a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u4fee\u7406\u3001\u90e8\u54c1\u306b\u95a2\u3059\u308b\u5b8c\u5168\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ja\/fisher-dvc6200-vs-siemens-ps2\/\">Fisher DVC6200 vs Siemens PS2\uff1a\u30c7\u30b8\u30bf\u30eb\u30d0\u30eb\u30d6\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u6bd4\u8f03\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n<h2>\ud83d\udce6 Get a Quote for Fisher Control Valves<\/h2>\n<p>YUNRUI\u306f\u672c\u7269\u306e\u5728\u5eab\u3092\u4fdd\u6709\u3057\u3066\u3044\u307e\u3059 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/brands\/fisher\/control-valves\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u5236\u5fa1\u5f01<\/a>, \u7af6\u4e89\u529b\u306e\u3042\u308b\u7d0d\u671f\u3067\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u3084\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u3092\u3054\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30d0\u30eb\u30d6\u5358\u4f53\u304c\u5fc5\u8981\u306a\u5834\u5408\u3067\u3082\u3001\u30b9\u30ad\u30c3\u30c9\u30d1\u30c3\u30b1\u30fc\u30b8\u5168\u4f53\u304c\u5fc5\u8981\u306a\u5834\u5408\u3067\u3082\u3001\u5f53\u793e\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u6700\u9069\u306a\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u69cb\u6210\u306e\u9078\u5b9a\u3092\u304a\u624b\u4f1d\u3044\u3044\u305f\u3057\u307e\u3059\u3002.<\/p>\n<h2>\ud83d\udcde Contact Our Application Engineers<\/h2>\n<p>\u30d0\u30eb\u30d6\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u306e\u6b63\u9006\u52d5\u4f5c\u3001\u307e\u305f\u306f\u3042\u3089\u3086\u308b\u5236\u5fa1\u30d0\u30eb\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308b\u6280\u8853\u76f8\u8ac7\u3084\u898b\u7a4d\u3082\u308a\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\ud83d\udce7 \u30e1\u30fc\u30eb: <a href=\"mailto:sales@yunrui-controls.com\">sales@yunrui-controls.com<\/a><\/li>\n<li>\ud83d\udcac WhatsApp: <a href=\"https:\/\/wa.me\/8618710784030?text=Hi%20YUNRUI%2C%20I%20have%20a%20question%20about%20valve%20actuator%20action\">18710784030<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Understanding valve actuator direct and reverse action is essential for every process control technician. In process plants, the control valve is the final control element, and the control valve actuator is its prime mover. It receives the 4-20 mA signal from the DCS and drives the valve stem to achieve on\/off or modulating control. Yet [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8508,"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":[],"class_list":["post-8507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs"],"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>Valve Actuator Direct vs Reverse Action | Field Guide - YUNRUI<\/title>\n<meta name=\"description\" content=\"Learn valve actuator direct and reverse action with a 3-step field check method. Includes troubleshooting fail-safe configuration for process engineers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yunrui-controls.com\/ja\/valve-actuator-direct-reverse-action\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Valve Actuator Direct and Reverse Action: A Field Engineer&#039;s Practical Guide\" \/>\n<meta property=\"og:description\" content=\"Learn valve actuator direct and reverse action with a 3-step field check method. 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