{"id":8832,"date":"2026-07-20T18:42:18","date_gmt":"2026-07-20T10:42:18","guid":{"rendered":"https:\/\/www.oubao.com\/?p=8832"},"modified":"2026-07-20T18:42:20","modified_gmt":"2026-07-20T10:42:20","slug":"ansi-door-closer-grade-1-vs-2","status":"publish","type":"post","link":"https:\/\/www.oubao.com\/ar\/blog\/selection-guide\/ansi-door-closer-grade-1-vs-2\/","title":{"rendered":"\u062f\u0644\u064a\u0644 ANSI\/BHMA A156.4: \u0627\u0644\u062f\u0631\u062c\u0629 1 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062f\u0631\u062c\u0629 2 \u0644\u0623\u062c\u0647\u0632\u0629 \u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0623\u0628\u0648\u0627\u0628"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u064a\u062d\u062f\u062f \u0645\u0639\u064a\u0627\u0631 ANSI\/BHMA A156.4 \u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0623\u062f\u0627\u0621 \u0644\u0623\u062c\u0647\u0632\u0629 \u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629\u060c \u0648\u064a\u063a\u0637\u064a \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062f\u0648\u0631\u0629 \u0648\u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u062d\u062f\u0648\u062f \u0627\u0644\u0642\u0648\u0629. \u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u062c\u0627\u0631\u064a \u0627\u0644\u0645\u0643\u062b\u0641\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0646\u0627\u0633\u0628 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0627\u0644\u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0623\u062e\u0641 \u0630\u0627\u062a \u0627\u0644\u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0627\u0644\u062f\u0631\u062c\u0629 1 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062f\u0631\u062c\u0629 2: \u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062a\u063a\u064a\u0631 \u0641\u0639\u0644\u064a\u064b\u0627<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627 \u064a\u0647\u062a\u0645 \u0645\u0639\u0638\u0645 \u0645\u062f\u064a\u0631\u064a \u0627\u0644\u0645\u0631\u0627\u0641\u0642 \u0628\u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0646\u0641\u0633\u0647. \u0625\u0646\u0647\u0645 \u064a\u0647\u062a\u0645\u0648\u0646 \u0628\u0627\u062c\u062a\u064a\u0627\u0632 \u0641\u062d\u0648\u0635\u0627\u062a \u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u062d\u0631\u064a\u0642\u060c \u0648\u062a\u062c\u0646\u0628 \u0634\u0643\u0627\u0648\u0649 ADA\u060c \u0648\u0639\u062f\u0645 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0646\u0641\u0633 \u062c\u0647\u0627\u0632 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0643\u0644 \u0628\u0636\u0639 \u0633\u0646\u0648\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A156.4 \u0647\u0648 \u0627\u0644\u0627\u062e\u062a\u0635\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u0633\u062a\u062e\u062f\u0645\u0647 \u0627\u0644\u0645\u0641\u062a\u0634\u0648\u0646 \u0648\u0627\u0644\u0645\u062d\u062f\u062f\u0648\u0646 \u0644\u062a\u0623\u0643\u064a\u062f \u0623\u0646 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0628 \u062a\u062a\u0637\u0627\u0628\u0642 \u0641\u0639\u0644\u064a\u064b\u0627 \u0645\u0639 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0647\u0630\u0627 \u0627\u0644\u0641\u062a\u062d.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0627\u0644\u0633\u0645\u0629<\/strong><\/td><td><strong>\u0627\u0644\u062f\u0631\u062c\u0629 1<\/strong><\/td><td><strong>\u0627\u0644\u062f\u0631\u062c\u0629 2<\/strong><\/td><\/tr><tr><td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062f\u0648\u0631\u0629<\/td><td>2,000,000 \u062f\u0648\u0631\u0629<\/td><td>500,000 \u062f\u0648\u0631\u0629<\/td><\/tr><tr><td>\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/td><td>\u0627\u0644\u0645\u0633\u062a\u0634\u0641\u064a\u0627\u062a \u0648\u0627\u0644\u0645\u062f\u0627\u0631\u0633 \u0648\u0627\u0644\u0645\u0637\u0627\u0631\u0627\u062a \u0648\u0645\u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u062a\u0627\u062c\u0631<\/td><td>\u0627\u0644\u0645\u0643\u0627\u062a\u0628 \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u0648\u0627\u0644\u0634\u0642\u0642 \u0648\u063a\u0631\u0641 \u0627\u0644\u0645\u0631\u0627\u0641\u0642<\/td><\/tr><tr><td>\u0636\u0628\u0637 \u0627\u0644\u0635\u0645\u0627\u0645<\/td><td>\u0627\u0644\u0645\u0633\u062d\u060c \u0627\u0644\u0645\u0632\u0644\u0627\u062c\u060c \u0645\u0646\u0639 \u0627\u0644\u0627\u0631\u062a\u062f\u0627\u062f\u060c \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0641\u064a \u0627\u0644\u0639\u0645\u0644<\/td><td>\u0627\u0644\u0645\u0633\u062d \u0648\u0627\u0644\u0645\u0632\u0644\u0627\u062c\u060c \u0645\u0646\u0639 \u0627\u0644\u0627\u0631\u062a\u062f\u0627\u062f \u0627\u0644\u0645\u062d\u062f\u0648\u062f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0628\u0627\u0628 \u0645\u062b\u0628\u062a\u064b\u0627 \u0639\u0644\u0649 \u0647\u064a\u0643\u0644 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062d\u0631\u064a\u0642\u060c \u0623\u0648 \u0645\u0633\u0627\u0631 \u062d\u0631\u0643\u0629 ADA\u060c \u0623\u0648 \u0645\u062f\u062e\u0644 \u062d\u0631\u0643\u0629 \u0645\u0631\u0648\u0631 \u0643\u062b\u064a\u0641\u0629\u060c \u0641\u062d\u062f\u062f \u0627\u0644\u062f\u0631\u062c\u0629 1. \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 3 \u0645\u0648\u062c\u0648\u062f\u0629 \u062a\u0642\u0646\u064a\u064b\u0627 \u0648\u0644\u0643\u0646\u0647\u0627 \u0646\u0627\u062f\u0631\u064b\u0627 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0641\u062a\u062d\u0629 \u062a\u062c\u0627\u0631\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0645\u0637\u0627\u0628\u0642\u0629 \u062c\u0647\u0627\u0632 \u0625\u063a\u0644\u0627\u0642 \u0628\u0627\u0628 ANSI \u0628\u0627\u0644\u0641\u062a\u062d\u0629<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062c\u0647\u0627\u0632 \u0625\u063a\u0644\u0627\u0642 \u0628\u0627\u0628 ANSI \u0644\u064a\u0633 \u0645\u0646\u062a\u062c\u064b\u0627 \u0648\u0627\u062d\u062f\u064b\u0627\u060c \u0628\u0644 \u0647\u0648 \u0623\u064a \u062c\u0647\u0627\u0632 \u0625\u063a\u0644\u0627\u0642 \u062a\u0645 \u0628\u0646\u0627\u0624\u0647 \u0648\u0627\u062e\u062a\u0628\u0627\u0631\u0647 \u0644\u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a A156.4. \u0644\u0627 \u064a\u0632\u0627\u0644 \u062d\u062c\u0645 \u0627\u0644\u0632\u0646\u0628\u0631\u0643 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0648\u0646\u0645\u0637 \u0627\u0644\u0630\u0631\u0627\u0639 \u064a\u0639\u062a\u0645\u062f\u0627\u0646 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0628 \u0627\u0644\u0645\u062d\u062f\u062f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0645\u0643\u0627\u062a\u0628 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629.<\/strong> \u0632\u0646\u0628\u0631\u0643 \u0628\u062d\u062c\u0645 2-3\u060c \u0630\u0631\u0627\u0639 \u0639\u0627\u062f\u064a\u060c \u0645\u0633\u062d \u0628\u0637\u064a\u0621\u060c \u0642\u0648\u0629 \u0641\u062a\u062d \u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 ADA.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0645\u062f\u0627\u062e\u0644 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629.<\/strong> \u0632\u0646\u0628\u0631\u0643 \u0628\u062d\u062c\u0645 4-6\u060c \u0630\u0631\u0627\u0639 \u0645\u062a\u0648\u0627\u0632\u064a\u060c \u0645\u0646\u0639 \u0627\u0644\u0627\u0631\u062a\u062f\u0627\u062f \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0641\u0635\u0644\u0627\u062a \u0645\u0646 \u0627\u0644\u0631\u064a\u0627\u062d.<\/li>\n\n\n\n<li><strong>\u0633\u0644\u0627\u0644\u0645 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642.<\/strong> \u0632\u0646\u0628\u0631\u0643 \u0628\u062d\u062c\u0645 3-5\u060c \u0630\u0631\u0627\u0639 \u0645\u062a\u0648\u0627\u0632\u064a\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u063a\u0644\u0642 \u0630\u0627\u062a\u064a\u064b\u0627 \u0648\u064a\u062b\u0628\u062a \u0627\u0644\u0645\u0632\u0644\u0627\u062c \u0645\u0646 \u0623\u064a \u0648\u0636\u0639 \u0645\u0641\u062a\u0648\u062d.<\/li>\n\n\n\n<li><strong>\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0648\u0635\u0648\u0644 \u0644\u0640 ADA.<\/strong> \u0632\u0646\u0628\u0631\u0643 \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u0628\u062d\u062c\u0645 1-3\u060c \u062a\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0642\u0648\u0629\u060c \u0645\u0633\u062d \u0644\u0645\u062f\u0629 5 \u062b\u0648\u0627\u0646\u064d \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644.<\/li>\n\n\n\n<li><strong>\u0648\u0627\u062c\u0647\u0627\u062a \u0627\u0644\u0645\u062a\u0627\u062c\u0631 \u0648\u0627\u0644\u0645\u062f\u0627\u062e\u0644.<\/strong> \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0641\u064a \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0639\u0631\u0628\u0627\u062a \u0648\u0627\u0644\u0643\u0631\u0627\u0633\u064a \u0627\u0644\u0645\u062a\u062d\u0631\u0643\u0629 \u0639\u0644\u0649 \u0625\u062e\u0644\u0627\u0621 \u0627\u0644\u0641\u062a\u062d\u0629.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0645\u0627 \u0627\u0644\u0630\u064a \u062a\u062a\u062d\u0643\u0645 \u0641\u064a\u0647 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0641\u0639\u0644\u064a\u064b\u0627<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0646\u0638\u0645 \u0643\u0644 \u062c\u0647\u0627\u0632 \u0625\u063a\u0644\u0627\u0642 \u0645\u0635\u0646\u0641 \u0628\u0645\u0639\u064a\u0627\u0631 ANSI \u0627\u0644\u0628\u0627\u0628 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0646\u0641\u0633 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0645\u0633\u062d.<\/strong> \u064a\u062a\u062d\u0643\u0645 \u0641\u064a \u0633\u0631\u0639\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0645\u0646 90 \u062f\u0631\u062c\u0629 \u0625\u0644\u0649 12 \u062f\u0631\u062c\u0629 \u0642\u0628\u0644 \u0627\u0644\u0645\u0632\u0644\u0627\u062c. \u0627\u0644\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0639\u0627\u0643\u0633 \u0644\u0644\u0633\u0627\u0639\u0629 \u064a\u0628\u0637\u0626\u0647\u0627.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0645\u0632\u0644\u0627\u062c.<\/strong> \u064a\u062d\u0643\u0645 \u0627\u0644\u0640 12 \u062f\u0631\u062c\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0628\u0627\u0628 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u0645\u0632\u0644\u0627\u062c \u0648\u0627\u0644\u0623\u062e\u062a\u0627\u0645.<\/li>\n\n\n\n<li><strong>\u0645\u0646\u0639 \u0627\u0644\u0627\u0631\u062a\u062f\u0627\u062f.<\/strong> \u064a\u062e\u0641\u0641 \u0627\u0644\u0628\u0627\u0628 \u062d\u0648\u0644 75 \u062f\u0631\u062c\u0629 \u062d\u062a\u0649 \u0644\u0627 \u064a\u062a\u0644\u0641 \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0642\u0648\u064a \u0627\u0644\u0645\u0641\u0635\u0644\u0627\u062a \u0623\u0648 \u062c\u0647\u0627\u0632 \u0627\u0644\u0625\u063a\u0644\u0627\u0642.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0623\u062e\u064a\u0631 \u0641\u064a \u0627\u0644\u0639\u0645\u0644.<\/strong> \u064a\u062b\u0628\u062a \u0627\u0644\u0628\u0627\u0628 \u0645\u0641\u062a\u0648\u062d\u064b\u0627 \u0644\u0641\u062a\u0631\u0629 \u0648\u062c\u064a\u0632\u0629 \u0642\u0628\u0644 \u0628\u062f\u0621 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0645\u0633\u062d\u060c \u062d\u064a\u062b\u0645\u0627 \u0643\u0627\u0646 \u0645\u062c\u0647\u0632\u064b\u0627.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u062d\u062f\u0648\u062f \u0642\u0648\u0629 ADA \u0648\u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0645\u064a\u062f\u0627\u0646\u064a<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062d\u062f\u062f \u0645\u0639\u0627\u064a\u064a\u0631 ADA \u0644\u0639\u0627\u0645 2010 \u0642\u0648\u0629 \u0641\u062a\u062d \u0627\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0628\u0640 5 \u0623\u0631\u0637\u0627\u0644. \u062a\u0633\u0645\u062d \u0645\u0639\u0638\u0645 \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0628\u0645\u0627 \u064a\u0635\u0644 \u0625\u0644\u0649 8.5 \u0623\u0631\u0637\u0627\u0644 \u0644\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u062c\u0628 \u0623\u0646 \u064a\u0633\u062a\u063a\u0631\u0642 \u0648\u0642\u062a \u0627\u0644\u0645\u0633\u062d \u0645\u0646 90 \u0625\u0644\u0649 12 \u062f\u0631\u062c\u0629 5 \u062b\u0648\u0627\u0646\u064d \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644. \u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u062d\u0631\u064a\u0642 \u0645\u0639\u0641\u0627\u0629 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\u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0642\u0627\u0633\u0629 \u0639\u0646\u062f \u0627\u0644\u062d\u062f \u0623\u0648 \u0623\u0642\u0644 \u0645\u0646\u0647 \u0628\u064a\u0646\u0645\u0627 \u0644\u0627 \u064a\u0632\u0627\u0644 \u0627\u0644\u0628\u0627\u0628 \u064a\u062b\u0628\u062a \u0627\u0644\u0645\u0632\u0644\u0627\u062c.<\/li>\n\n\n\n<li><strong>\u0623\u0628\u0637\u0626 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0633\u062d \u0628\u0639\u062f \u0630\u0644\u0643.<\/strong> \u064a\u062c\u0628 \u0623\u0646 \u064a\u0633\u062a\u063a\u0631\u0642 \u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0628\u0627\u0628 5 \u062b\u0648\u0627\u0646\u064d \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644.<\/li>\n\n\n\n<li><strong>\u0627\u0636\u0628\u0637 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0632\u0644\u0627\u062c \u0623\u062e\u064a\u0631\u064b\u0627.<\/strong> \u0632\u062f \u0627\u0644\u0633\u0631\u0639\u0629 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0641\u0642\u0637 \u0644\u0636\u0645\u0627\u0646 \u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0632\u0644\u0627\u062c.<\/li>\n\n\n\n<li><strong>\u0642\u0645 \u0628\u062a\u0648\u062b\u064a\u0642\u0647.<\/strong> \u0633\u062c\u0644 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0642\u0627\u0633\u0629 \u0648\u0648\u0642\u062a \u0627\u0644\u0645\u0633\u062d\u060c \u062d\u064a\u062b \u0633\u064a\u0637\u0644\u0628\u0647\u0627 \u0627\u0644\u0645\u0641\u062a\u0634\u0648\u0646.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u062d\u0631\u064a\u0642 \u0628\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 A156.4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062d\u0645\u0644 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0639\u0644\u0649 \u0627\u0644\u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 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\u0627\u0644\u0645\u0633\u062d\u060c \u0648\u0627\u0644\u0625\u063a\u0644\u0627\u0642\u060c \u0648\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u062e\u0644\u0641\u064a \u0645\u062b\u0644 \u0623\u064a \u0648\u062d\u062f\u0629 \u0623\u062e\u0631\u0649 \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0648\u0644\u0649\u060c \u0641\u0642\u0637 \u0645\u0639 \u0645\u0648\u0627\u0636\u0639 \u0635\u0645\u0627\u0645\u0627\u062a \u062e\u0627\u0635\u0629 \u0628\u0646\u0645\u0637 \u0627\u0644\u062c\u0633\u0645 \u0647\u0630\u0627.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u0644\u0627 \u062a\u0632\u0627\u0644 \u062a\u0631\u0643\u064a\u0628\u0627\u062a DORMA \u0627\u0644\u0642\u062f\u064a\u0645\u0629 \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0623\u064a \u0648\u062b\u0627\u0626\u0642 \u062a\u0645 \u0634\u062d\u0646\u0647\u0627 \u0645\u0639 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0623\u0635\u0644\u064a\u0629. \u0625\u0630\u0627 \u062a\u0645\u0643\u0646\u062a \u0645\u0646 \u062a\u062a\u0628\u0639 \u0645\u0644\u0641 PDF \u0644\u062f\u0644\u064a\u0644 \u0625\u063a\u0644\u0627\u0642 \u0623\u0628\u0648\u0627\u0628 DORMA \u0623\u0648 \u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0636\u0628\u0637 \u0625\u063a\u0644\u0627\u0642 \u0623\u0628\u0648\u0627\u0628 DORMA \u0644\u0647\u0630\u0627 \u0627\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u062d\u062f\u062f\u060c \u0641\u0625\u0646 \u0630\u0644\u0643 \u064a\u0648\u0641\u0631 \u0627\u0644\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062a\u062e\u0645\u064a\u0646 \u0641\u064a \u0627\u0644\u0645\u064a\u062f\u0627\u0646. \u064a\u063a\u0637\u064a \u062f\u0644\u064a\u0644 \u0625\u063a\u0644\u0627\u0642 \u0623\u0628\u0648\u0627\u0628 Dorma 669G \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0646\u0637\u0627\u0642 \u0627\u0644\u0632\u0646\u0628\u0631\u0643 \u0627\u0644\u062e\u0627\u0635 \u0628\u0647\u0630\u0627 \u0627\u0644\u0637\u0631\u0627\u0632 \u0648\u0642\u0627\u0644\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0642\u0648\u0645 \u0628\u0635\u064a\u0627\u0646\u0629 \u062a\u0631\u0643\u064a\u0628 \u062d\u0627\u0644\u064a \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0633\u062a\u0628\u062f\u0627\u0644\u0647 \u0628\u0627\u0644\u0643\u0627\u0645\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0639\u0645\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0623\u062c\u0647\u0632\u0629 \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u062f\u0648\u0646 \u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0639\u0644\u0649 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0627\u0644\u0642\u062f\u064a\u0645\u0629\u060c \u062a\u063a\u0637\u064a \u0628\u0639\u0636 \u0627\u0644\u062e\u064a\u0627\u0631\u0627\u062a OUBAO \u0645\u0639\u0638\u0645 \u0627\u0644\u0641\u062a\u062d\u0627\u062a \u0627\u0644\u0645\u0648\u0636\u062d\u0629 \u0623\u0639\u0644\u0627\u0647:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.oubao.com\/ar\/product\/ob03-heavy-duty-cast-iron-door-closer\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>OUBAO OB03 \u0625\u063a\u0644\u0627\u0642 \u0623\u0628\u0648\u0627\u0628 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0634\u062f\u064a\u062f \u0627\u0644\u062a\u062d\u0645\u0644<\/strong><\/a><strong>.<\/strong> \u0645\u0628\u0646\u064a \u0628\u0623\u0633\u0637\u0648\u0627\u0646\u0629 \u0645\u0646 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0645\u0635\u0646\u0641\u0629 \u0628\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u0639\u062a\u0628\u0629 2,000,000 \u062f\u0648\u0631\u0629\u060c \u0648\u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u0645\u062f\u0627\u062e\u0644 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u062d\u0631\u0643\u0629 \u0627\u0644\u0645\u0631\u0648\u0631\u064a\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.oubao.com\/ar\/product\/5016-classic-door-closer\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>OUBAO 5016 \u0633\u0644\u0633\u0644\u0629 \u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0643\u0644\u0627\u0633\u064a\u0643\u064a<\/strong><\/a><strong>.<\/strong> \u0642\u0648\u0629 \u0632\u0646\u0628\u0631\u0643 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u0645\u0646 \u0627\u0644\u062d\u062c\u0645 1 \u0625\u0644\u0649 6\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u063a\u0637\u064a \u0645\u0639\u0638\u0645 \u0645\u062a\u0637\u0644\u0628\u0627\u062a ADA \u0627\u0644\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0639\u0648\u0627\u0626\u0642 \u062f\u0648\u0646 \u062a\u0628\u062f\u064a\u0644 \u0627\u0644\u0623\u062c\u0647\u0632\u0629.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.oubao.com\/ar\/product\/5000-classic-door-closer\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>OUBAO 5000 \u0633\u0644\u0633\u0644\u0629 \u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0643\u0644\u0627\u0633\u064a\u0643\u064a<\/strong><\/a><strong>.<\/strong> \u064a\u0644\u0628\u064a \u0645\u0639\u0627\u064a\u064a\u0631 ANSI \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0645\u0639 \u0625\u062c\u0631\u0627\u0621 \u0645\u062a\u0623\u062e\u0631 \u0627\u062e\u062a\u064a\u0627\u0631\u064a \u0648\u0641\u062d\u0635 \u062e\u0644\u0641\u064a \u0645\u062f\u0645\u062c \u0644\u0644\u0645\u062f\u0627\u062e\u0644 \u0627\u0644\u062a\u064a \u062a\u062a\u0639\u0631\u0636 \u0644\u0623\u062d\u0645\u0627\u0644 \u0631\u064a\u0627\u062d \u0634\u062f\u064a\u062f\u0629.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.oubao.com\/ar\/product\/ob03-heavy-duty-cast-iron-door-closer\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"773\" height=\"773\" src=\"https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1.jpg\" alt=\"\" class=\"wp-image-8864\" srcset=\"https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1.jpg 773w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-500x500.jpg 500w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-300x300.jpg 300w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-768x768.jpg 768w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-12x12.jpg 12w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-150x150.jpg 150w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-75x75.jpg 75w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/OB03-1-480x480.jpg 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:773px) 100vw, 773px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong><em><a href=\"https:\/\/www.oubao.com\/ar\/product\/ob03-heavy-duty-cast-iron-door-closer\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.oubao.com\/product\/ob03-heavy-duty-cast-iron-door-closer\/\" rel=\"noreferrer noopener\">OB03 \u0645\u063a\u0644\u0642 \u0628\u0627\u0628 \u062d\u062f\u064a\u062f \u0627\u0644\u0632\u0647\u0631 \u0634\u062f\u064a\u062f \u0627\u0644\u062a\u062d\u0645\u0644<\/a><\/em><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.oubao.com\/ar\/product\/5016-classic-door-closer\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1.jpg\" alt=\"\" class=\"wp-image-8865\" srcset=\"https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1.jpg 800w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-500x500.jpg 500w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-300x300.jpg 300w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-768x768.jpg 768w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-12x12.jpg 12w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-150x150.jpg 150w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-75x75.jpg 75w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5016-1-480x480.jpg 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong><em><a href=\"https:\/\/www.oubao.com\/ar\/product\/5016-classic-door-closer\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.oubao.com\/product\/5016-classic-door-closer\/\" rel=\"noreferrer noopener\">\u0642\u0631\u064a\u0628 \u0628\u0627\u0628 \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u0645\u0646 \u0633\u0644\u0633\u0644\u0629 5016<\/a><\/em><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.oubao.com\/ar\/product\/5000-classic-door-closer\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1.jpg\" alt=\"\" class=\"wp-image-8863\" srcset=\"https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1.jpg 800w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-500x500.jpg 500w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-300x300.jpg 300w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-768x768.jpg 768w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-12x12.jpg 12w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-150x150.jpg 150w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-75x75.jpg 75w, https:\/\/www.oubao.com\/wp-content\/uploads\/2026\/07\/5000-1-480x480.jpg 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong><em><a href=\"https:\/\/www.oubao.com\/ar\/product\/5000-classic-door-closer\/\" target=\"_blank\" data-type=\"product\" data-id=\"164\" rel=\"noreferrer noopener\">5000 \u0633\u0644\u0633\u0644\u0629 \u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0643\u0644\u0627\u0633\u064a\u0643\u064a \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644<\/a><\/em><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0643\u0627\u0645\u0644 <a href=\"https:\/\/www.oubao.com\/ar\/door-closer-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0645\u062c\u0645\u0648\u0639\u0629 OUBAO \u0644\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0623\u0628\u0648\u0627\u0628<\/a> \u0644\u062a\u0634\u0643\u064a\u0644\u0629 \u0645\u0639\u062a\u0645\u062f\u0629 \u0643\u0627\u0645\u0644\u0629\u060c \u0623\u0648 <a href=\"https:\/\/www.oubao.com\/ar\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u062a\u0648\u0627\u0635\u0644 \u0645\u0639 \u0641\u0631\u064a\u0642\u0646\u0627<\/a> \u0645\u0628\u0627\u0634\u0631\u0629 \u0644\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0628\u062f\u064a\u0644.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>ANSI\/BHMA A156.4 sets the performance standard for commercial door closers, covering cycle testing, durability, and force limits. Grade 1 closers are built for heavy commercial use,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":8833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","rank_math_title":"ANSI\/BHMA A156.4: Grade 1 vs Grade 2 Door Closers Guide | OUBAO","rank_math_description":"ANSI\/BHMA A156.4 sets the standard for commercial door closers. Compare Grade 1 vs Grade 2, plus valve settings and ADA force limits","rank_math_focus_keyword":"ANSI door closer"},"categories":[48],"tags":[],"class_list":["post-8832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-selection-guide"],"_links":{"self":[{"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/posts\/8832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/comments?post=8832"}],"version-history":[{"count":3,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/posts\/8832\/revisions"}],"predecessor-version":[{"id":8866,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/posts\/8832\/revisions\/8866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/media\/8833"}],"wp:attachment":[{"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/media?parent=8832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/categories?post=8832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oubao.com\/ar\/wp-json\/wp\/v2\/tags?post=8832"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}