{"id":8226,"date":"2026-05-22T16:38:15","date_gmt":"2026-05-22T16:38:15","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8226"},"modified":"2026-05-22T16:38:41","modified_gmt":"2026-05-22T16:38:41","slug":"control-valve-on-off-valve-fault-tree-analysis-fta","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/ja\/control-valve-on-off-valve-fault-tree-analysis-fta\/","title":{"rendered":"\u5236\u5fa1\u5f01\uff0f\u30aa\u30f3\u30aa\u30d5\u5f01\u306e\u6545\u969c\u30c4\u30ea\u30fc\u89e3\u6790\uff08FTA\uff09\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"

\u7523\u696d\u30aa\u30fc\u30c8\u30e1\u30fc\u30b7\u30e7\u30f3\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001, \u5236\u5fa1\u5f01<\/strong><\/a> \u305d\u3057\u3066 \u30aa\u30f3\u30aa\u30d5\u30d0\u30eb\u30d6<\/strong> \u30d0\u30eb\u30d6\u306f\u91cd\u8981\u306a\u6700\u7d42\u5236\u5fa1\u8981\u7d20\u3067\u3059\u3002\u30d0\u30eb\u30d6\u306e\u6545\u969c\u306f\u751f\u7523\u52b9\u7387\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5b89\u5168\u4e0a\u306e\u5371\u967a\u3082\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4f53\u7cfb\u7684\u306a \u30d5\u30a9\u30fc\u30eb\u30c8\u30c4\u30ea\u30fc\u89e3\u6790\uff08FTA\uff09<\/strong> \u7a7a\u6c17\u5727\u5236\u5fa1\u5f01\u3001\u96fb\u6c17\u5236\u5fa1\u5f01\u3001\u96fb\u78c1\u5f01\u3001\u304a\u3088\u3073\u7a7a\u6c17\u5727\u906e\u65ad\u5f01\u306b\u5bfe\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3002.<\/p>\r\n\r\n\r\n\r\n

\ud83d\udd0d Fault Tree Structure Overview<\/h2>\r\n\r\n\r\n\r\n
\u3010TOP EVENT\u3011\ud83d\udd34 Valve Operation\/Control Abnormality\r\n\u251c\u2500\u3010OR\u3011\ud83d\udd27 Valve Body\/Trim Failure\r\n\u2502  \u251c\u2500 Plug\/Seat wear or corrosion\r\n\u2502  \u251c\u2500 Stem sticking or breakage\r\n\u2502  \u251c\u2500 Body leakage (external\/internal)\r\n\u2502  \u251c\u2500 Packing leakage\/sticking\r\n\u2502  \u2514\u2500 Media crystallization\/scaling causing blockage\r\n\u2502\r\n\u251c\u2500\u3010OR\u3011\u2699\ufe0f Actuator Failure\r\n\u2502  \u251c\u2500\u3010OR\u3011Pneumatic Diaphragm\/Piston Failure\r\n\u2502  \u2502  \u251c\u2500 Diaphragm rupture\r\n\u2502  \u2502  \u251c\u2500 Piston seal aging\/leakage\r\n\u2502  \u2502  \u2514\u2500 Spring breakage or fatigue\r\n\u2502  \u2514\u2500\u3010OR\u3011Electric Actuator Failure\r\n\u2502     \u251c\u2500 Motor burnout\r\n\u2502     \u251c\u2500 Capacitor damage\r\n\u2502     \u251c\u2500 Gear\/screw wear\r\n\u2502     \u2514\u2500 Limit switch malfunction\r\n\u2502\r\n\u251c\u2500\u3010OR\u3011\ud83d\udca8 Air Supply\/Power\/Signal Loop Failure\r\n\u2502  \u251c\u2500\u3010OR\u3011Air Supply Failure\r\n\u2502  \u2502  \u251c\u2500 Insufficient air pressure\r\n\u2502  \u2502  \u251c\u2500 Air line leakage\/blockage\r\n\u2502  \u2502  \u251c\u2500 Filter regulator clogged\r\n\u2502  \u2502  \u2514\u2500 Air supply with water\/oil\/contaminants\r\n\u2502  \u251c\u2500\u3010OR\u3011Power Supply Failure\r\n\u2502  \u2502  \u251c\u2500 24V\/220V power loss\r\n\u2502  \u2502  \u2514\u2500 Voltage fluctuation\r\n\u2502  \u2514\u2500\u3010OR\u3011Control Signal Failure\r\n\u2502     \u251c\u2500 4-20mA signal open\/short circuit\r\n\u2502     \u251c\u2500 DCS\/AO card failure\r\n\u2502     \u2514\u2500 Solenoid valve coil burnout\/plunger stuck\r\n\u2502\r\n\u2514\u2500\u3010OR\u3011\ud83d\udd29 Accessories & Installation Issues\r\n   \u251c\u2500 Positioner failure (I\/P converter, nozzle-flapper)\r\n   \u251c\u2500 Pneumatic booster\/volume booster failure\r\n   \u251c\u2500 Valve limit switch misalignment\r\n   \u2514\u2500 Mounting bracket loose<\/pre>\r\n\r\n\r\n\r\n
\u26a1 Valve Body\/Actuator Basic Events<\/h2>\r\n\r\n\r\n\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u30b3\u30fc\u30c9<\/th>\r\n\u57fa\u672c\u7684\u306a\u30a4\u30d9\u30f3\u30c8\u306e\u8aac\u660e<\/th>\r\n\u5178\u578b\u7684\u306a\u75c7\u72b6<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
V1<\/code><\/td>\r\n\u30d7\u30e9\u30b0\/\u30b7\u30fc\u30c8\u306e\u6469\u8017\u307e\u305f\u306f\u8150\u98df<\/td>\r\n\u5185\u90e8\u6f0f\u308c\u3001\u906e\u65ad\u4e0d\u826f\u3001\u5236\u5fa1\u6027\u80fd\u306e\u4f4e\u4e0b<\/td>\r\n<\/tr>\r\n
V2<\/code><\/td>\r\n\u30b9\u30c6\u30e0\u306e\u56fa\u7740\/\u7834\u640d<\/td>\r\n\u30d0\u30eb\u30d6\u304c\u52d5\u304b\u306a\u3044\u3001\u5fdc\u7b54\u304c\u9045\u308c\u308b\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u4fe1\u53f7\u306e\u5909\u5316\u304c\u306a\u3044<\/td>\r\n<\/tr>\r\n
V3<\/code><\/td>\r\n\u68b1\u5305\u6750\u306e\u6f0f\u308c\uff0f\u4ed8\u7740<\/td>\r\n\u30b9\u30c6\u30e0\u304b\u3089\u306e\u5916\u90e8\u6f0f\u308c\u3001\u6469\u64e6\u306e\u5897\u52a0\u306b\u3088\u308b\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u30ea\u30c3\u30d7<\/td>\r\n<\/tr>\r\n
V4<\/code><\/td>\r\n\u6a2a\u9694\u819c\u7834\u88c2<\/td>\r\n\u7a7a\u6c17\u5727\u30d0\u30eb\u30d6\u304c\u52d5\u304b\u305a\u3001\u4e00\u7b87\u6240\u3067\u56fa\u7740\u3057\u3066\u3044\u308b<\/td>\r\n<\/tr>\r\n
V5<\/code><\/td>\r\n\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u7834\u640d\u307e\u305f\u306f\u75b2\u52b4<\/td>\r\n\u30d0\u30eb\u30d6\u304c\u5143\u306e\u4f4d\u7f6e\u306b\u623b\u3089\u306a\u3044\u3001\u51fa\u529b\u529b\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b<\/td>\r\n<\/tr>\r\n
V6<\/code><\/td>\r\n\u30e2\u30fc\u30bf\u30fc\u713c\u640d\uff08\u96fb\u6c17\uff09<\/td>\r\n\u96fb\u52d5\u30d0\u30eb\u30d6\u304c\u52d5\u304b\u306a\u3044\u3001\u97f3\u3082\u305b\u305a\u3001\u904e\u71b1\u3082\u3057\u306a\u3044<\/td>\r\n<\/tr>\r\n
V7<\/code><\/td>\r\n\u30ea\u30df\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u306e\u6545\u969c<\/td>\r\n\u30aa\u30f3\u30aa\u30d5\u30d0\u30eb\u30d6\u304c\u6240\u5b9a\u306e\u4f4d\u7f6e\u3067\u505c\u6b62\u3057\u306a\u3044\u3001\u307e\u305f\u306f\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u304c\u9593\u9055\u3063\u3066\u3044\u308b<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n
\u26a1 Air Supply\/Power\/Signal\/Accessory Basic Events<\/h2>\r\n\r\n\r\n\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u30b3\u30fc\u30c9<\/th>\r\n\u57fa\u672c\u7684\u306a\u30a4\u30d9\u30f3\u30c8\u306e\u8aac\u660e<\/th>\r\n\u5178\u578b\u7684\u306a\u75c7\u72b6<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
A1<\/code><\/td>\r\n\u7a7a\u6c17\u5727\u4e0d\u8db3<\/td>\r\n\u30d0\u30eb\u30d6\u306e\u52d5\u304d\u304c\u9045\u304f\u3001\u63a8\u529b\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5b8c\u5168\u306b\u958b\u9589\u3067\u304d\u307e\u305b\u3093\u3002<\/td>\r\n<\/tr>\r\n
A2<\/code><\/td>\r\n\u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u304c\u8a70\u307e\u3063\u3066\u3044\u307e\u3059<\/td>\r\n\u7a7a\u6c17\u6d41\u91cf\u306e\u6e1b\u5c11\u3001\u30d0\u30eb\u30d6\u306e\u5fdc\u7b54\u901f\u5ea6\u306e\u4f4e\u4e0b<\/td>\r\n<\/tr>\r\n
A3<\/code><\/td>\r\n\u6c34\/\u6cb9\u5165\u308a\u7a7a\u6c17\u4f9b\u7d66<\/td>\r\n\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\/\u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u306e\u8150\u98df\u3001\u30c0\u30a4\u30e4\u30d5\u30e9\u30e0\u306e\u52a3\u5316\u4fc3\u9032<\/td>\r\n<\/tr>\r\n
A4<\/code><\/td>\r\n\u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u6545\u969c<\/td>\r\n\u30d0\u30eb\u30d6\u306e\u5236\u5fa1\u4e0d\u80fd\u3001\u632f\u52d5\u3001\u5fdc\u7b54\u9045\u5ef6\u3001\u307e\u305f\u306f\u52d5\u4f5c\u306a\u3057<\/td>\r\n<\/tr>\r\n
A5<\/code><\/td>\r\n\u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u30b3\u30a4\u30eb\u306e\u713c\u640d\/\u30d7\u30e9\u30f3\u30b8\u30e3\u30fc\u306e\u56fa\u7740<\/td>\r\n\u30aa\u30f3\u30aa\u30d5\u30d0\u30eb\u30d6\u304c\u5207\u308a\u66ff\u308f\u3089\u305a\u3001\u5143\u306e\u4f4d\u7f6e\u306e\u307e\u307e\u3067\u3059\u3002<\/td>\r\n<\/tr>\r\n
A6<\/code><\/td>\r\n\u5236\u5fa1\u4fe1\u53f7\u306e\u958b\u56de\u8def\uff0f\u77ed\u7d61\u56de\u8def<\/td>\r\n\u30d0\u30eb\u30d6\u4fe1\u53f7\u304c\u5931\u308f\u308c\u3001\u4fdd\u6301\u4f4d\u7f6e\u306e\u307e\u307e\u306b\u306a\u308b\u304b\u3001\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\r\n<\/tr>\r\n
A7<\/code><\/td>\r\n\u57f9\u5730\u306e\u7d50\u6676\u5316\uff0f\u30b9\u30b1\u30fc\u30eb\u306b\u3088\u308b\u8a70\u307e\u308a<\/td>\r\n\u30d0\u30eb\u30d6\u304c\u4e2d\u9593\u4f4d\u7f6e\u3067\u56fa\u7740\u3057\u3001\u52d5\u304d\u304c\u56f0\u96e3\u3067\u3059\u3002<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n
\ud83d\udee0\ufe0f Control Valve\/On-Off Valve Troubleshooting Guide (By Priority)<\/h2>\r\n\r\n\r\n\r\n
    \r\n
  1. \u2460 \u75c7\u72b6\u3092\u89b3\u5bdf\u3059\u308b<\/strong> \u30d0\u30eb\u30d6\u306f\u52d5\u3044\u3066\u3044\u307e\u3059\u304b\uff1f\u6240\u5b9a\u306e\u4f4d\u7f6e\u306b\u5230\u9054\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u7570\u5e38\u306a\u97f3\u3084\u632f\u52d5\u306f\u3042\u308a\u307e\u3059\u304b\uff1f\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u4fe1\u53f7\u306f\u5909\u5316\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\r\n
  2. \u2461 \u7a7a\u6c17\u5727\/\u52d5\u529b\u3092\u78ba\u8a8d\u3059\u308b<\/strong> \u7a7a\u6c17\u5727\u30d0\u30eb\u30d6\uff1a\u7a7a\u6c17\u5727\u306f\u9069\u5207\u3067\u3059\u304b\uff1f\u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306f\u8a70\u307e\u3063\u3066\u3044\u307e\u305b\u3093\u304b\uff1f \u96fb\u52d5\u30d0\u30eb\u30d6\uff1a\u96fb\u6e90\u4f9b\u7d66\u306f\u6b63\u5e38\u3067\u3059\u304b\uff1f<\/li>\r\n
  3. \u2462 \u30c6\u30b9\u30c8\u4fe1\u53f7<\/strong> \u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\/\u4fe1\u53f7\u767a\u751f\u5668\u3092\u4f7f\u7528\u3057\u30664\uff5e20mA\u3092\u6ce8\u5165\u3057\u3001\u30d0\u30eb\u30d6\u304c\u305d\u308c\u306b\u5fdc\u3058\u3066\u53cd\u5fdc\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u89b3\u5bdf\u3057\u307e\u3059\u3002<\/li>\r\n
  4. \u2463\u4ed8\u5c5e\u54c1\u306e\u70b9\u691c<\/strong> \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u81ea\u5df1\u8a3a\u65ad\u30c6\u30b9\u30c8\u3001\u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u30b7\u30d5\u30c8\u30c6\u30b9\u30c8\u3001\u30ea\u30df\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u8abf\u6574<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n
    \ud83d\udca1 Typical Valve Failure Patterns<\/h2>\r\n\r\n\r\n\r\n
      \r\n
    • \u52d5\u304d\u306a\u3057<\/strong> \u2192 \u7a7a\u6c17\u4f9b\u7d66\/\u96fb\u6e90\/\u4fe1\u53f7\/\u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\r\n
    • \u90e8\u5206\u7684\u306a\u8133\u5352\u4e2d<\/strong> \u2192 \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\/\u79fb\u52d5\/\u56fa\u7740\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\r\n
    • \u632f\u52d5\/\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u30ea\u30c3\u30d7<\/strong> \u2192 \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u30b2\u30a4\u30f3\u3001\u30d1\u30c3\u30ad\u30f3\u306e\u6469\u64e6\u3001\u7a7a\u6c17\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\r\n
    • \u5185\u90e8\u6f0f\u6d29<\/strong> \u2192 \u30d7\u30e9\u30b0\u3068\u30b7\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\r\n
    • \u5916\u90e8\u6f0f\u6d29<\/strong> \u2192 \u30d1\u30c3\u30ad\u30f3\/\u30ac\u30b9\u30b1\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
      \ud83d\udccb Case Study 1: Pneumatic Control Valve Slow Movement with Stick-Slip<\/h2>\r\n\r\n\r\n\r\n
      \u75c7\u72b6\uff1a<\/strong> \u84b8\u6c17\u5727\u529b\u5236\u5fa1\u5f01\u306f\u3001\u8a2d\u5b9a\u5024\u306e\u5909\u66f4\u5f8c\u306b\u5fdc\u7b54\u304c\u9045\u5ef6\u3057\u3001\u30b9\u30c8\u30ed\u30fc\u30af\u4e2d\u306b\u505c\u6b62\u3068\u59cb\u52d5\u3092\u7e70\u308a\u8fd4\u3059\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u30ea\u30c3\u30d7\u73fe\u8c61\u3092\u793a\u3057\u305f\u3002.<\/p>\r\n\r\n\r\n\r\n
      \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u9806\uff1a<\/strong><\/p>\r\n\r\n\r\n\r\n
        \r\n
      1. \u7a7a\u6c17\u5727\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\uff1a\u6b63\u5e38\u50240.4MPa\uff0858psi\uff09<\/li>\r\n
      2. \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u51fa\u529b\u5727\u529b\u3092\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u3001\u5909\u52d5\u306f\u6b63\u5e38\u3067\u3057\u305f\u3002<\/li>\r\n
      3. \u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u70b9\u691c\u3057\u305f\u3068\u3053\u308d\u3001\u30aa\u30a4\u30eb\u6c5a\u67d3\u3067\u8a70\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u305f\u3002<\/li>\r\n
      4. \u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u4ea4\u63db\u3057\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u30dc\u30a6\u30eb\u3092\u6e05\u6383\u3057\u305f\u3068\u3053\u308d\u3001\u30d0\u30eb\u30d6\u306e\u52d5\u4f5c\u304c\u6b63\u5e38\u306b\u623b\u308a\u307e\u3057\u305f\u3002<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n
        \u2705 Root Cause:<\/strong> \u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u304c\u8a70\u307e\u308a\u3001\u7a7a\u6c17\u306e\u6d41\u308c\u304c\u4e0d\u5341\u5206\u306b\u306a\u3063\u305f\u3002 \ud83d\udccc Preventive Measures:<\/strong> \u5b9a\u671f\u7684\u306b\u7a7a\u6c17\u306e\u8cea\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u6e05\u6383\u307e\u305f\u306f\u4ea4\u63db\u3057\u3001FRL\u30e6\u30cb\u30c3\u30c8\u3092\u8a2d\u7f6e\u3057\u307e\u3059\u3002<\/p>\r\n\r\n\r\n\r\n
        \ud83d\udccb Case Study 2: Solenoid-Operated Valve Cannot Open<\/h2>\r\n\r\n\r\n\r\n
        \u75c7\u72b6\uff1a<\/strong> DCS\u306f\u30d0\u30eb\u30d6\u3092\u958b\u304f\u30b3\u30de\u30f3\u30c9\u3092\u51fa\u3057\u305f\u304c\u3001\u30d0\u30eb\u30d6\u306f\u52d5\u304b\u305a\u3001\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306f\u4f9d\u7136\u3068\u3057\u3066\u9589\u4f4d\u7f6e\u3092\u793a\u3057\u3066\u3044\u305f\u3002.<\/p>\r\n\r\n\r\n\r\n
          \r\n
        1. \u73fe\u5834\u89b3\u5bdf\uff1a\u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u30e9\u30f3\u30d7\u306f\u70b9\u706f\u3057\u3066\u3044\u308b\u304c\u3001\u6392\u6c17\u97f3\u306f\u3057\u306a\u3044\u3002<\/li>\r\n
        2. \u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u4f7f\u3063\u3066\u30bd\u30ec\u30ce\u30a4\u30c9\u30b3\u30a4\u30eb\u306b\u89e6\u308c\u305f\u3068\u3053\u308d\u3001\u78c1\u529b\u306f\u5b58\u5728\u3059\u308b\u304c\u30d7\u30e9\u30f3\u30b8\u30e3\u30fc\u306f\u52d5\u304b\u306a\u304b\u3063\u305f\u3002<\/li>\r\n
        3. \u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u3092\u53d6\u308a\u5916\u3057\u305f\u3068\u3053\u308d\u3001\u30d7\u30e9\u30f3\u30b8\u30e3\u30fc\u306b\u9306\u306e\u7c92\u5b50\u304c\u4ed8\u7740\u3057\u3066\u3044\u305f\u3002<\/li>\r\n
        4. \u30d7\u30e9\u30f3\u30b8\u30e3\u30fc\u3092\u6e05\u6383\u3057\u3001\u30d7\u30ec\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u305f\u3068\u3053\u308d\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n
          \u2705 Root Cause:<\/strong> \u7a7a\u6c17\u4f9b\u7d66\u90e8\u306e\u9306\u304c\u539f\u56e0\u3067\u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u306e\u30d7\u30e9\u30f3\u30b8\u30e3\u30fc\u304c\u56fa\u7740\u3057\u305f\u3002 \ud83d\udccc Preventive Measures:<\/strong> \u5438\u6c17\u53e3\u306b\u7cbe\u5bc6\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u3001\u30a8\u30a2\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u6c34\u5206\u3092\u5b9a\u671f\u7684\u306b\u6392\u51fa\u3059\u308b\u3002<\/p>\r\n\r\n\r\n\r\n
          \ud83c\udfaf High-Occurrence Minimal Cut Sets (Single Point Failures)<\/h2>\r\n\r\n\r\n\r\n
            \r\n
          • {A1}<\/code> \u7a7a\u6c17\u5727\u4e0d\u8db3<\/strong> \u2192 \u30d0\u30eb\u30d6\u306e\u63a8\u529b\u304c\u4e0d\u8db3\u3057\u3066\u3044\u307e\u3059<\/li>\r\n
          • {A2}<\/code> \u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u304c\u8a70\u307e\u3063\u3066\u3044\u307e\u3059<\/strong> \u2192 \u3086\u3063\u304f\u308a\u3068\u3057\u305f\u52d5\u304d\uff0f\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u30ea\u30c3\u30d7<\/li>\r\n
          • {A4}<\/code> \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u6545\u969c<\/strong> \u2192 \u5236\u5fa1\u4e0d\u80fd<\/li>\r\n
          • {A5}<\/code> \u30bd\u30ec\u30ce\u30a4\u30c9\u30d0\u30eb\u30d6\u304c\u56fa\u7740\u3057\u3066\u3044\u308b<\/strong> \u2192 \u30aa\u30f3\u30aa\u30d5\u30d0\u30eb\u30d6\u304c\u5207\u308a\u66ff\u308f\u3089\u306a\u3044<\/li>\r\n
          • {V2}<\/code> \u830e\u304c\u304f\u3063\u3064\u3044\u3066\u3044\u308b<\/strong> \u2192 \u4e0d\u5b89\u5b9a\u306a\u52d5\u304d<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
            \ud83d\udcc8 Field Failure Rate Reference<\/h2>\r\n\r\n\r\n\r\n
            \u77f3\u6cb9\u5316\u5b66\u7523\u696d\u5206\u91ce\u306e\u7d71\u8a08\u306b\u57fa\u3065\u304f\u3068\uff1a<\/p>\r\n\r\n\r\n\r\n
              \r\n
            • \u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u304c\u8a70\u307e\u3063\u3066\u3044\u307e\u3059\u3002 5-15%<\/strong> \u6bce\u5e74\u767a\u751f\u3059\u308b<\/li>\r\n
            • \u30dd\u30b8\u30b7\u30e7\u30ca\u30fc\u306e\u6545\u969c: 3-10%<\/strong><\/li>\r\n
            • \u30bd\u30ec\u30ce\u30a4\u30c9\u30b3\u30a4\u30eb\uff0f\u30d7\u30e9\u30f3\u30b8\u30e3\u30fc\u306e\u6545\u969c\uff1a 2-8%<\/strong><\/li>\r\n
            • \u30d7\u30e9\u30b0\/\u30b7\u30fc\u30c8\u306e\u6469\u8017: 5-20%<\/strong> \uff08\u30b5\u30fc\u30d3\u30b9\u72b6\u6cc1\u306b\u3088\u308a\u307e\u3059\uff09<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
              \u6ce8\uff1a\u5b9f\u969b\u306e\u6545\u969c\u7387\u306f\u3001\u7a7a\u6c17\u306e\u6e05\u6d44\u5ea6\u3001\u5a92\u4f53\u306e\u6469\u8017\u6027\u3001\u304a\u3088\u3073\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u8cea\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002.<\/em><\/p>\r\n\r\n\r\n\r\n
              \ud83d\udcdd Summary<\/h2>\r\n\r\n\r\n\r\n
              \u30d5\u30a9\u30fc\u30eb\u30c8\u30c4\u30ea\u30fc\u89e3\u6790\uff08FTA\uff09\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u5236\u5fa1\u5f01\u304a\u3088\u3073\u30aa\u30f3\u30aa\u30d5\u5f01\u306e\u6545\u969c\u30e2\u30fc\u30c9\u3092\u4f53\u7cfb\u7684\u306b\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\r\n\r\n\r\n\r\n
                \r\n
              • \u7d04 70%\u306e\u30d0\u30eb\u30d6\u6545\u969c<\/strong> \u7a7a\u6c17\u306e\u8cea\u3084\u4ed8\u5c5e\u6a5f\u5668\u306e\u72b6\u614b\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059<\/li>\r\n
              • \u30d5\u30a3\u30eb\u30bf\u30fc\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306e\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u7a7a\u6c17\u8cea\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u6545\u969c\u7387\u3092\u5927\u5e45\u306b\u4f4e\u6e1b\u3067\u304d\u307e\u3059\u3002<\/li>\r\n
              • \u969c\u5bb3\u4e8b\u4f8b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u3001\u985e\u4f3c\u306e\u554f\u984c\u3092\u8fc5\u901f\u306b\u8a3a\u65ad\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\r\n
              • \u91cd\u8981\u306a\u30d0\u30eb\u30d6\u306b\u3064\u3044\u3066\u306f\u3001\u5197\u9577\u5316\u307e\u305f\u306f\u5b9a\u671f\u7684\u306a\u4e88\u9632\u4fdd\u5b88\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
                 <\/p>","protected":false},"excerpt":{"rendered":"
                In industrial automation control systems, control valves and on-off valves are critical final control elements. Valve failures not only impact production efficiency but can also create safety hazards. This article presents a systematic Fault Tree Analysis (FTA) approach for pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valves. \ud83d\udd0d Fault Tree Structure […]<\/p>\n","protected":false},"author":1,"featured_media":8228,"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":[448,449,450,451],"class_list":["post-8226","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs","tag-control-valve","tag-on-off-valve","tag-fta","tag-fault-tree-analysis"],"acf":[],"yoast_head":"\nControl Valve \/ On-Off Valve Fault Tree Analysis (FTA)<\/title>\n<meta name=\"description\" content=\"Comprehensive fault tree analysis for control valves and on-off valves. Covers pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valve diagnostics, troubleshooting methods, and preventive maintenance.\" \/>\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\/control-valve-on-off-valve-fault-tree-analysis-fta\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA) Complete Guide\" \/>\n<meta property=\"og:description\" content=\"Comprehensive fault tree analysis for control valves and on-off valves. Covers pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valve diagnostics, troubleshooting methods, and preventive maintenance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.yunrui-controls.com\/ja\/control-valve-on-off-valve-fault-tree-analysis-fta\/\" \/>\n<meta property=\"og:site_name\" content=\"Fisher, E+H & Rosemount Supplier from China | 100% Original | YUNRUI\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-22T16:38:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-22T16:38:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"462\" \/>\n\t<meta property=\"og:image:height\" content=\"627\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"sales@yunrui-controls.com\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"sales@yunrui-controls.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/\"},\"author\":{\"name\":\"sales@yunrui-controls.com\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/b9b385704b61e72ea9254fc3b56001af\"},\"headline\":\"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA) Complete Guide\",\"datePublished\":\"2026-05-22T16:38:15+00:00\",\"dateModified\":\"2026-05-22T16:38:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/\"},\"wordCount\":685,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg\",\"keywords\":[\"control valve\",\"on-off valve\",\"FTA\",\"fault tree analysis\"],\"articleSection\":[\"News\",\"Blogs\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/\",\"url\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/\",\"name\":\"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA)\",\"isPartOf\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg\",\"datePublished\":\"2026-05-22T16:38:15+00:00\",\"dateModified\":\"2026-05-22T16:38:41+00:00\",\"description\":\"Comprehensive fault tree analysis for control valves and on-off valves. Covers pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valve diagnostics, troubleshooting methods, and preventive maintenance.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage\",\"url\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg\",\"contentUrl\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg\",\"width\":462,\"height\":627,\"caption\":\"Fisher's control valve supplier is Xi'an Yunrui Trading Co., Ltd., China.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.yunrui-controls.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA) Complete Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#website\",\"url\":\"https:\/\/www.yunrui-controls.com\/\",\"name\":\"Process Instrument & Valve Supplier from China | YUNRUI\",\"description\":\"YUNRUI is your trusted authorized distributor and stockist in China for original Fisher valves, E+H, and Rosemount instruments. Fast Middle East delivery. Get a quote!\",\"publisher\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/#organization\"},\"alternateName\":\"YRCONTROLS\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.yunrui-controls.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#organization\",\"name\":\"YUNRUI\",\"alternateName\":\"YUNRUI TRADING\",\"url\":\"https:\/\/www.yunrui-controls.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/03\/original-yunrui-logo-from-china-supplier-yunrui.png\",\"contentUrl\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/03\/original-yunrui-logo-from-china-supplier-yunrui.png\",\"width\":512,\"height\":512,\"caption\":\"YUNRUI\"},\"image\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/#\/schema\/logo\/image\/\"},\"telephone\":\"8618710784030\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/b9b385704b61e72ea9254fc3b56001af\",\"name\":\"sales@yunrui-controls.com\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/42e338d7dd3c1419e51612bcfd01acd3eca969f2e93b9e49b772042eceaf1030?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/42e338d7dd3c1419e51612bcfd01acd3eca969f2e93b9e49b772042eceaf1030?s=96&d=mm&r=g\",\"caption\":\"sales@yunrui-controls.com\"},\"sameAs\":[\"https:\/\/www.yunrui-controls.com\"],\"url\":\"https:\/\/www.yunrui-controls.com\/ja\/author\/gthgt-space-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA)","description":"Comprehensive fault tree analysis for control valves and on-off valves. Covers pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valve diagnostics, troubleshooting methods, and preventive maintenance.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.yunrui-controls.com\/ja\/control-valve-on-off-valve-fault-tree-analysis-fta\/","og_locale":"ja_JP","og_type":"article","og_title":"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA) Complete Guide","og_description":"Comprehensive fault tree analysis for control valves and on-off valves. Covers pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valve diagnostics, troubleshooting methods, and preventive maintenance.","og_url":"https:\/\/www.yunrui-controls.com\/ja\/control-valve-on-off-valve-fault-tree-analysis-fta\/","og_site_name":"Fisher, E+H & Rosemount Supplier from China | 100% Original | YUNRUI","article_published_time":"2026-05-22T16:38:15+00:00","article_modified_time":"2026-05-22T16:38:41+00:00","og_image":[{"width":462,"height":627,"url":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg","type":"image\/jpeg"}],"author":"sales@yunrui-controls.com","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"sales@yunrui-controls.com","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"4\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#article","isPartOf":{"@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/"},"author":{"name":"sales@yunrui-controls.com","@id":"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/b9b385704b61e72ea9254fc3b56001af"},"headline":"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA) Complete Guide","datePublished":"2026-05-22T16:38:15+00:00","dateModified":"2026-05-22T16:38:41+00:00","mainEntityOfPage":{"@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/"},"wordCount":685,"commentCount":0,"publisher":{"@id":"https:\/\/www.yunrui-controls.com\/#organization"},"image":{"@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage"},"thumbnailUrl":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg","keywords":["control valve","on-off valve","FTA","fault tree analysis"],"articleSection":["News","Blogs"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/","url":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/","name":"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA)","isPartOf":{"@id":"https:\/\/www.yunrui-controls.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage"},"image":{"@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage"},"thumbnailUrl":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg","datePublished":"2026-05-22T16:38:15+00:00","dateModified":"2026-05-22T16:38:41+00:00","description":"Comprehensive fault tree analysis for control valves and on-off valves. Covers pneumatic control valves, electric control valves, solenoid valves, and pneumatic shut-off valve diagnostics, troubleshooting methods, and preventive maintenance.","breadcrumb":{"@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#primaryimage","url":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg","contentUrl":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/0523.jpg","width":462,"height":627,"caption":"Fisher's control valve supplier is Xi'an Yunrui Trading Co., Ltd., China."},{"@type":"BreadcrumbList","@id":"https:\/\/www.yunrui-controls.com\/control-valve-on-off-valve-fault-tree-analysis-fta\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.yunrui-controls.com\/"},{"@type":"ListItem","position":2,"name":"Control Valve \/ On-Off Valve Fault Tree Analysis (FTA) Complete Guide"}]},{"@type":"WebSite","@id":"https:\/\/www.yunrui-controls.com\/#website","url":"https:\/\/www.yunrui-controls.com\/","name":"\u4e2d\u56fd\u306e\u30d7\u30ed\u30bb\u30b9\u8a08\u6e2c\u6a5f\u5668\u30fb\u30d0\u30eb\u30d6\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc | YUNRUI","description":"YUNRUI\u306f\u3001\u4e2d\u56fd\u306b\u304a\u3051\u308bFisher\u7d14\u6b63\u30d0\u30eb\u30d6\u3001E+H\u3001Rosemount\u88fd\u8a08\u6e2c\u6a5f\u5668\u306e\u4fe1\u983c\u3067\u304d\u308b\u6b63\u898f\u4ee3\u7406\u5e97\u304a\u3088\u3073\u5728\u5eab\u8ca9\u58f2\u5e97\u3067\u3059\u3002\u4e2d\u6771\u3078\u306e\u8fc5\u901f\u306a\u914d\u9001\u3082\u627f\u308a\u307e\u3059\u3002\u304a\u898b\u7a4d\u3082\u308a\u3092\u3054\u5e0c\u671b\u306e\u5834\u5408\u306f\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002","publisher":{"@id":"https:\/\/www.yunrui-controls.com\/#organization"},"alternateName":"YRCONTROLS","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.yunrui-controls.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.yunrui-controls.com\/#organization","name":"\u30e6\u30f3\u30eb\u30a4","alternateName":"YUNRUI TRADING","url":"https:\/\/www.yunrui-controls.com\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.yunrui-controls.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/03\/original-yunrui-logo-from-china-supplier-yunrui.png","contentUrl":"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/03\/original-yunrui-logo-from-china-supplier-yunrui.png","width":512,"height":512,"caption":"YUNRUI"},"image":{"@id":"https:\/\/www.yunrui-controls.com\/#\/schema\/logo\/image\/"},"telephone":"8618710784030"},{"@type":"Person","@id":"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/b9b385704b61e72ea9254fc3b56001af","name":"sales@yunrui-controls.com","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/42e338d7dd3c1419e51612bcfd01acd3eca969f2e93b9e49b772042eceaf1030?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/42e338d7dd3c1419e51612bcfd01acd3eca969f2e93b9e49b772042eceaf1030?s=96&d=mm&r=g","caption":"sales@yunrui-controls.com"},"sameAs":["https:\/\/www.yunrui-controls.com"],"url":"https:\/\/www.yunrui-controls.com\/ja\/author\/gthgt-space-com\/"}]}},"_links":{"self":[{"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/posts\/8226","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/comments?post=8226"}],"version-history":[{"count":4,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/posts\/8226\/revisions"}],"predecessor-version":[{"id":8231,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/posts\/8226\/revisions\/8231"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/media\/8228"}],"wp:attachment":[{"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/media?parent=8226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/categories?post=8226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunrui-controls.com\/ja\/wp-json\/wp\/v2\/tags?post=8226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}