{"id":8293,"date":"2026-05-28T18:14:48","date_gmt":"2026-05-28T18:14:48","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8293"},"modified":"2026-05-28T18:15:16","modified_gmt":"2026-05-28T18:15:16","slug":"overpressure-protection-relief-valve","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/ja\/overpressure-protection-relief-valve\/","title":{"rendered":"\u904e\u5727\u4fdd\u8b77\uff1a\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u306e\u4f5c\u52d5\u539f\u7406\u3068\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u30b7\u30ea\u30fc\u30ba\u30ac\u30a4\u30c9"},"content":{"rendered":"<div style=\"max-width: 900px; margin: 0 auto; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; color: #2c3e50;\">\n<p><!-- Hero Section --><\/p>\n<div style=\"background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%); padding: 40px; border-radius: 12px; margin-bottom: 30px; text-align: center;\">\n<h1 style=\"color: white; margin: 0 0 15px 0; font-size: 2.2em; font-weight: bold;\">\u904e\u5727\u4fdd\u8b77\uff1a\u5b89\u5168\u5f01\u306e\u4f5c\u52d5\u539f\u7406<\/h1>\n<p style=\"color: rgba(255,255,255,0.95); font-size: 1.2em; margin: 0; font-weight: 300;\">\u30ac\u30b9\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u5727\u529b\u5236\u5fa1\u306b\u4e0d\u53ef\u6b20\u306a\u5b89\u5168\u30b7\u30b9\u30c6\u30e0<\/p>\n<\/div>\n<p><!-- Warning Box --><\/p>\n<div style=\"background: #fff3cd; border-left: 5px solid #ffc107; padding: 25px; margin: 30px 0; border-radius: 0 8px 8px 0;\">\n<h3 style=\"margin: 0 0 10px 0; color: #856404;\">\u26a0\ufe0f \u91cd\u8981\u306a\u5b89\u5168\u4e0a\u306e\u6ce8\u610f<\/h3>\n<p style=\"margin: 0; color: #856404;\"><strong>\u904e\u5727\u4fdd\u8b77<\/strong> \u3053\u308c\u306f\u3001\u3059\u3079\u3066\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u8003\u616e\u4e8b\u9805\u3067\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306e\u4e0b\u6d41\u5074\u306e\u5727\u529b\u3092\u5b89\u5168\u306a\u6700\u5927\u5024\u306b\u7dad\u6301\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u9069\u5207\u306a\u4fdd\u8b77\u304c\u306a\u3051\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u306f\u58ca\u6ec5\u7684\u306a\u7d50\u679c\u3092\u62db\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<\/div>\n<p><!-- Introduction --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u904e\u5727\u4fdd\u8b77\u306e\u7406\u89e3<\/h2>\n<p>\u9ad8\u5727\u9001\u914d\u7d66\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u3092\u901a\u3057\u3066\u5929\u7136\u30ac\u30b9\u3092\u500b\u3005\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u4f9b\u7d66\u3059\u308b\u4f4e\u5727\u30b7\u30b9\u30c6\u30e0\u306b\u9001\u308a\u307e\u3059\u3002\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u3001\u914d\u7ba1\u3001\u30ac\u30b9\u51e6\u7406\u6a5f\u5668\u306f\u3001\u904e\u5727\u72b6\u614b\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <strong style=\"color: #c0392b;\">\u5b89\u5168\u5f01<\/strong>.<\/p>\n<p>\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u306e\u8a2d\u5b9a\u5024\u306f\u3001 <strong>\u6700\u5c0f\u6700\u5927\u5b9a\u683c\u5727\u529b\u5024<\/strong> \u4f4e\u5727\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u8981\u7d20\u306e\u3046\u3061\u3002.<\/p>\n<p><!-- How It Works --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u904e\u5727\u304c\u767a\u751f\u3059\u308b\u4ed5\u7d44\u307f<\/h2>\n<p>\u904e\u5727\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5727\u529b\u304c\u5236\u5fa1\u6a5f\u5668\u306e\u8a2d\u5b9a\u5024\u3092\u8d85\u3048\u305f\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30b7\u30b9\u30c6\u30e0\uff08\u901a\u5e38\u306f\u4e0a\u6d41\u5074\u306e\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\uff09\u306b\u7570\u5e38\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5727\u529b\u304c\u5236\u9650\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u6545\u969c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<div style=\"background: #e8f4f8; padding: 25px; border-radius: 8px; margin: 25px 0;\">\n<h4 style=\"margin: 0 0 15px 0; color: #c0392b;\">\u904e\u5727\u4fdd\u8b77\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\uff1a<\/h4>\n<ol style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 10px;\">\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u3082\u5f31\u3044\u90e8\u5206\u3092\u7279\u5b9a\u3059\u308b<\/li>\n<li style=\"margin-bottom: 10px;\">\u904e\u5270\u306a\u5727\u529b\u3092\u305d\u306e\u90e8\u54c1\u306e\u6700\u5927\u5b9a\u683c\u5727\u529b\u4ee5\u4e0b\u306b\u5236\u9650\u3059\u308b<\/li>\n<\/ol>\n<\/div>\n<p><!-- Maximum Pressure Considerations --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u6700\u5927\u5727\u529b\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n<p>\u5727\u529b\u4fdd\u6301\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u3082\u5f31\u3044\u90e8\u5206\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 25px 0;\">\n<div style=\"background: white; border-radius: 10px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.07); border-top: 4px solid #e74c3c;\">\n<h3 style=\"margin: 0 0 15px 0; color: #e74c3c; font-size: 1.2em;\">\ud83d\udd27 \u4e0b\u6d41\u8a2d\u5099<\/h3>\n<p style=\"margin: 0; color: #555;\">\u4e0b\u6d41\u5074\u306e\u6a5f\u5668\u306e\u3046\u3061\u3001\u6700\u5927\u5b9a\u683c\u5727\u529b\u304c\u6700\u3082\u5c0f\u3055\u3044\u3082\u306e\uff08\u6a5f\u5668\u3001\u30d0\u30fc\u30ca\u30fc\u3001\u30dc\u30a4\u30e9\u30fc\u306a\u3069\uff09\u304c\u3001\u4e0b\u6d41\u5074\u306e\u3059\u3079\u3066\u306e\u6a5f\u5668\u306e\u6700\u9ad8\u5727\u529b\u5024\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<\/div>\n<div style=\"background: white; border-radius: 10px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.07); border-top: 4px solid #3498db;\">\n<h3 style=\"margin: 0 0 15px 0; color: #3498db; font-size: 1.2em;\">\u2699\ufe0f \u30e1\u30a4\u30f3\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc<\/h3>\n<p style=\"margin: 0; color: #555;\">\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306b\u306f\u3001\u5165\u53e3\u5727\u529b\u3001\u51fa\u53e3\u5727\u529b\u3001\u5185\u90e8\u5727\u529b\u3068\u3044\u3063\u305f\u7570\u306a\u308b\u5727\u529b\u5b9a\u683c\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u3046\u3061\u6700\u5c0f\u5024\u304c\u3001\u8a31\u5bb9\u6700\u5927\u5727\u529b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<\/div>\n<div style=\"background: white; border-radius: 10px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.07); border-top: 4px solid #27ae60;\">\n<h3 style=\"margin: 0 0 15px 0; color: #27ae60; font-size: 1.2em;\">\ud83d\udd04 \u914d\u7ba1<\/h3>\n<p style=\"margin: 0; color: #555;\">\u914d\u7ba1\u306e\u8010\u5727\u6027\u80fd\u306b\u306f\u9650\u754c\u304c\u3042\u308b\u3002\u7269\u7406\u7684\u306a\u5236\u7d04\u306b\u52a0\u3048\u3001\u5b9f\u969b\u306e\u7528\u9014\u306b\u304a\u3044\u3066\u306f\u3001\u4e00\u3064\u4ee5\u4e0a\u306e\u9069\u7528\u53ef\u80fd\u306a\u5b9a\u683c\u5727\u529b\u306b\u95a2\u3059\u308b\u898f\u683c\u3084\u898f\u5236\u3092\u9075\u5b88\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: #e8f8f5; padding: 20px; border-radius: 8px; margin: 25px 0; border-left: 4px solid #27ae60;\">\n<p style=\"margin: 0;\"><strong>\u57fa\u672c\u539f\u5247\uff1a<\/strong> \u306e <strong>\u6700\u4f4e\u5024<\/strong> \u3053\u308c\u3089\uff13\u3064\u306e\u6700\u5927\u5b9a\u683c\u5727\u529b\u306e\u3046\u3061\u3001 <strong>\u6700\u5927\u8a31\u5bb9\u5727\u529b<\/strong> \u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306b\u5bfe\u3057\u3066\u3002.<\/p>\n<\/div>\n<p><!-- Relief Valve Function --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u5b89\u5168\u5f01\u6a5f\u80fd<\/h2>\n<p>\u5727\u529b\u89e3\u653e\u306f\u3001\u6d41\u4f53\u3092\u5225\u306e\u4f4e\u5727\u30b7\u30b9\u30c6\u30e0\uff08\u901a\u5e38\u306f\u5927\u6c17\uff09\u306b\u6392\u51fa\u3059\u308b\u88c5\u7f6e\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u3001\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u306e\u4e0b\u6d41\u5074\u306e\u5727\u529b\u3092\u5b89\u5168\u306a\u6700\u5927\u5024\u306b\u7dad\u6301\u3059\u308b\u3002.<\/p>\n<div style=\"background: #fff3cd; border-left: 5px solid #ffc107; padding: 20px; margin: 25px 0; border-radius: 0 8px 8px 0;\">\n<h4 style=\"margin: 0 0 10px 0; color: #856404;\">\u26a0\ufe0f\u91cd\u8981\u306a\u5b89\u5168\u8981\u4ef6<\/h4>\n<p style=\"margin: 0; color: #856404;\">\u5b89\u5168\u5f01\u306e\u6392\u51fa\u306f <strong>\u5b89\u5168\u306a\u5834\u6240<\/strong>. \u9069\u5207\u306a\u63db\u6c17\u306f\u5b89\u5168\u306a\u904b\u8ee2\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n<\/div>\n<p>\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u306f <strong style=\"color: #c0392b;\">\u6700\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u904e\u5727\u4fdd\u8b77\u65b9\u6cd5<\/strong> \u5165\u624b\u53ef\u80fd\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u614b\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><!-- Fisher Relief Valves --><\/p>\n<div style=\"background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 30px; border-radius: 12px; color: white; margin: 30px 0;\">\n<h3 style=\"margin: 0 0 15px 0; font-size: 1.3em;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/brands\/fisher\/regulators-relief-valves\/\"><span style=\"color: #ffffff;\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u30b7\u30ea\u30fc\u30ba<\/span><\/a><\/h3>\n<p style=\"margin: 0 0 15px 0; opacity: 0.95;\"><strong>\u6ce8\u8a18\uff1a<\/strong> \u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u306e\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u306f <strong>\u306a\u3044<\/strong> ASME\u898f\u683c\u306e\u5b89\u5168\u5f01\u3002\u3053\u308c\u3089\u306f\u3001\u30ac\u30b9\u5727\u8abf\u6574\u7528\u9014\u5411\u3051\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p style=\"margin: 0;\">YUNRUI\u306f\u3001\u5929\u7136\u30ac\u30b9\u30b7\u30b9\u30c6\u30e0\u5411\u3051\u306bFisher\u793e\u88fd\u5b89\u5168\u5f01\u306e\u5305\u62ec\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<\/div>\n<p><!-- Common Fisher Series --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u4e00\u822c <a href=\"https:\/\/www.yunrui-controls.com\/ja\/brands\/fisher\/regulators-relief-valves\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u30b7\u30ea\u30fc\u30ba<\/a><\/h2>\n<table style=\"width: 100%; border-collapse: collapse; margin: 25px 0; font-size: 14px; background-color: white; box-shadow: 0 2px 8px rgba(0,0,0,0.1);\">\n<thead>\n<tr style=\"background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);\">\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">\u30b7\u30ea\u30fc\u30ba<\/th>\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">\u30bf\u30a4\u30d7<\/th>\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-h200-series\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fcH200\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u4f4e\u5727\u30ac\u30b9\u30b7\u30b9\u30c6\u30e0<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fcH800\u30b7\u30ea\u30fc\u30ba<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u4e2d\u5727\u7528\u9014<\/td>\n<\/tr>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-289-series\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc289\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5546\u696d\/\u7523\u696d\u30b7\u30b9\u30c6\u30e0<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-627-series\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc627\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\uff0f\u80cc\u5727<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u76f4\u63a5\u64cd\u4f5c\u5f0f\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc<\/td>\n<\/tr>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-type-630\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc630\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u9ad8\u5bb9\u91cf\u6551\u63f4<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-mr98-series\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fcMR98\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u30b3\u30f3\u30d1\u30af\u30c8\u8a2d\u8a08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/td>\n<\/tr>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-ezr-series\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fcEZR\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u9ad8\u5727\u4f1d\u9054<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-type-63eg-98hm\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc63EG\u30b7\u30ea\u30fc\u30ba<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u5b89\u5168\u5f01<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">\u30d1\u30a4\u30ed\u30c3\u30c8\u64cd\u4f5c\u30b7\u30b9\u30c6\u30e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Selection Guide --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u9078\u8003\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h2>\n<div style=\"display: flex; gap: 20px; margin: 25px 0; flex-wrap: wrap;\">\n<div style=\"flex: 1; min-width: 200px; background: #f8f9fa; padding: 25px; border-radius: 8px; border-left: 4px solid #e74c3c;\">\n<h3 style=\"margin: 0 0 15px 0; color: #e74c3c; font-size: 1.1em;\">\u5727\u529b\u5b9a\u683c<\/h3>\n<p style=\"margin: 0; color: #555;\">\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u5927\u8a31\u5bb9\u5727\u529b\u3068\u5fc5\u8981\u306a\u5b89\u5168\u5f01\u5bb9\u91cf\u306b\u57fa\u3065\u3044\u3066\u30d0\u30eb\u30d6\u3092\u9078\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<\/div>\n<div style=\"flex: 1; min-width: 200px; background: #f8f9fa; padding: 25px; border-radius: 8px; border-left: 4px solid #3498db;\">\n<h3 style=\"margin: 0 0 15px 0; color: #3498db; font-size: 1.1em;\">\u6d41\u91cf\u5bb9\u91cf<\/h3>\n<p style=\"margin: 0; color: #555;\">\u6700\u60aa\u306e\u904e\u5727\u30b7\u30ca\u30ea\u30aa\u306b\u5099\u3048\u3001\u5341\u5206\u306a\u6d41\u91cf\u5bb9\u91cf\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<\/div>\n<div style=\"flex: 1; min-width: 200px; background: #f8f9fa; padding: 25px; border-radius: 8px; border-left: 4px solid #27ae60;\">\n<h3 style=\"margin: 0 0 15px 0; color: #27ae60; font-size: 1.1em;\">\u901a\u6c17\u53e3\u306e\u4f4d\u7f6e<\/h3>\n<p style=\"margin: 0; color: #555;\">\u767a\u706b\u6e90\u3084\u4eba\u304c\u3044\u308b\u5834\u6240\u304b\u3089\u96e2\u308c\u305f\u5b89\u5168\u306a\u6392\u51fa\u7d4c\u8def\u3092\u8a08\u753b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<\/div>\n<\/div>\n<p><!-- Conclusion --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">\u7d50\u8ad6<\/h2>\n<p>\u30ac\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5168\u306a\u904b\u7528\u306b\u306f\u3001\u9069\u5207\u306a\u904e\u5727\u4fdd\u8b77\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5b89\u5168\u5f01\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u90e8\u54c1\u304c\u640d\u50b7\u3059\u308b\u524d\u306b\u904e\u5270\u306a\u5727\u529b\u3092\u5b89\u5168\u306a\u5834\u6240\u306b\u6392\u51fa\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u3082\u78ba\u5b9f\u306a\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<p>\u5b89\u5168\u5f01\u3092\u9078\u3076\u969b\u306b\u306f\u3001\u5e38\u306b\u4ee5\u4e0b\u306e\u70b9\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <strong>\u6700\u3082\u5f31\u3044\u90e8\u54c1<\/strong> \u30b7\u30b9\u30c6\u30e0\u5185\u3067\u3001\u5b89\u5168\u5f01\u306e\u8a2d\u5b9a\u5024\u304c\u6700\u5927\u5b9a\u683c\u5727\u529b\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002. <a style=\"color: #3498db; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/ja\/brands\/fisher\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u88fd\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6<\/a> \u5e45\u5e83\u3044\u5727\u529b\u5b9a\u683c\u3068\u7528\u9014\u306b\u304a\u3044\u3066\u3001\u5b9f\u7e3e\u306e\u3042\u308b\u6027\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<div style=\"background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%); padding: 30px; border-radius: 12px; color: white; margin: 30px 0;\">\n<h3 style=\"margin: 0 0 15px 0;\">\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8<\/h3>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 8px;\">\u904e\u5727\u4fdd\u8b77\u306f\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u5b89\u5168\u6027\u306e\u57fa\u672c\u3067\u3042\u308b\u3002<\/li>\n<li style=\"margin-bottom: 8px;\">\u307e\u305a\u3001\u6700\u3082\u5f31\u3044\u30b7\u30b9\u30c6\u30e0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li style=\"margin-bottom: 8px;\">\u30ea\u30ea\u30fc\u30d5\u30d0\u30eb\u30d6\u3092\u6700\u4f4e\u5b9a\u683c\u5727\u529b\u4ee5\u4e0b\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li style=\"margin-bottom: 8px;\">\u5927\u6c17\u3078\u306e\u5b89\u5168\u306a\u6392\u6c17\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<li style=\"margin-bottom: 8px;\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc\u793e\u306e\u5b89\u5168\u5f01\u306fASME\u898f\u683c\u306e\u5b89\u5168\u5f01\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/div>\n<p><!-- Contact CTA --><\/p>\n<p><!-- Related Reading --><\/p>\n<h3 style=\"color: #2c3e50; margin-top: 40px;\">\u304a\u3059\u3059\u3081\u306e\u66f8\u7c4d<\/h3>\n<ul style=\"padding-left: 20px;\">\n<li style=\"margin-bottom: 10px;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/technical-manual-fisher-627-series-regulator\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc627\u6e1b\u5727\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u6280\u8853\u30ac\u30a4\u30c9<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a href=\"https:\/\/www.yunrui-controls.com\/ja\/fisher-ezr-regulator-operational-principles\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fcEZR\u5727\u529b\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\uff1a\u7279\u9577\u3068\u7528\u9014<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"color: #3498db; text-decoration: none;\" href=\"https:\/\/www.yunrui-controls.com\/ja\/fisher-mr98-series-technical-specification\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fcMR98\u30b7\u30ea\u30fc\u30ba\u80cc\u5727\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306e\u6982\u8981<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Overpressure Protection: Relief Valve Working Principles Essential Safety Systems for Gas Pipeline Pressure Control \u26a0\ufe0f Critical Safety Note Overpressure protection is a fundamental consideration in all pipeline system designs. Its purpose is to maintain the downstream pressure of the regulator at a safe maximum value. Without proper protection, system failure can result in catastrophic consequences. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8002,"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":[491,492,493,494,489,490,315,317],"class_list":["post-8293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs","tag-fisher-h200","tag-fisher-ezr","tag-gas-safety","tag-pressure-regulation","tag-relief-valve","tag-overpressure-protection","tag-fisher-627","tag-fisher-mr98"],"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>Overpressure Protection: Relief Valve Working Principles | YUNRUI<\/title>\n<meta name=\"description\" content=\"Learn about overpressure protection systems and Fisher relief valve series (H200, H800, 289, 627, 630, MR98, EZR, 63EG) for safe gas pipeline operation.\" \/>\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\/overpressure-protection-relief-valve\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Overpressure Protection: Relief Valve Working Principles and Fisher Series Guide\" \/>\n<meta property=\"og:description\" content=\"Learn about overpressure protection systems and Fisher relief valve series (H200, H800, 289, 627, 630, MR98, EZR, 63EG) for safe gas pipeline operation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.yunrui-controls.com\/ja\/overpressure-protection-relief-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"Fisher, E+H &amp; 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