{"id":1747,"date":"2020-12-05T10:03:45","date_gmt":"2020-12-05T02:03:45","guid":{"rendered":"http:\/\/chaoda.global-jt.com\/?p=1747"},"modified":"2026-07-29T10:05:07","modified_gmt":"2026-07-29T02:05:07","slug":"ball-valve-selection-and-use","status":"publish","type":"post","link":"https:\/\/chinavalve.com\/ar\/news\/ball-valve-selection-and-use\/","title":{"rendered":"\u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629"},"content":{"rendered":"<p class=\"translation-block\">\u0623\u0648\u0644\u0627\u064b: \u062d\u062f\u0648\u062f \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0636\u063a\u0637 \u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629<br>\n\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0642\u0627\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0648\u0623\u062e\u062a\u0627\u0645\u0647\u0627 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0645\u0627\u062f\u0629 PTFE \u0623\u0648 RTFE\u060c \u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0631\u0627\u0648\u062d \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0628\u064a\u0646 -290 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u06482000 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0635\u0646\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0644\u0623\u0646\u0648\u0627\u0639 \u0623\u062e\u0631\u0649 \u0645\u0646 \u0645\u0642\u0627\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0648\u0623\u062e\u062a\u0627\u0645\u0647\u0627.<br>\n\u064a\u0634\u064a\u0631 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0627\u0633\u0645\u064a (PN) \u0644\u0644\u0635\u0645\u0627\u0645 \u0625\u0644\u0649 \u0623\u0642\u0635\u0649 \u0636\u063a\u0637 \u062a\u0634\u063a\u064a\u0644 \u0644\u0647 \u0639\u0646\u062f \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u062f\u064a\u0629. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u064a\u0634\u064a\u0631 PN4.0 \u0625\u0644\u0649 \u0623\u0646 \u0623\u0642\u0635\u0649 \u0636\u063a\u0637 \u062a\u0634\u063a\u064a\u0644 \u0644\u0647 \u0647\u0648 40 \u0628\u0627\u0631 (4.0 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644) \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062a\u0634\u063a\u064a\u0644 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 -290 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0648380 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629.<br>\n\u0644\u0644\u0627\u0637\u0644\u0627\u0639 \u0639\u0644\u0649 \u0627\u062d\u062a\u064a\u0627\u0637\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0627\u0644\u0645\u0634\u063a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0623\u0648 \u0627\u0644\u0647\u0648\u0627\u0626\u064a\u0629\u060c \u064a\u064f\u0631\u062c\u0649 \u0627\u0644\u0631\u062c\u0648\u0639 \u0625\u0644\u0649 \u0643\u062a\u064a\u0628\u0627\u062a \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647\u0627.<\/p>\n<p class=\"translation-block\">\u062b\u0627\u0646\u064a\u064b\u0627: \u062a\u0631\u0643\u064a\u0628 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629<br>\n1. \u0642\u0645 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u063a\u0637\u064a\u0629 \u0627\u0644\u0648\u0627\u0642\u064a\u0629 \u0645\u0646 \u062c\u0627\u0646\u0628\u064a \u0627\u0644\u0634\u0641\u0629\u060c \u062b\u0645 \u0627\u0634\u0637\u0641 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0647\u0648 \u0645\u0641\u062a\u0648\u062d \u0628\u0627\u0644\u0643\u0627\u0645\u0644.<br>\n2. \u0642\u0628\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u0642\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 \u062a\u0634\u063a\u064a\u0644 \u0643\u0627\u0645\u0644 \u0644\u0644\u0635\u0645\u0627\u0645 \u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u062d\u062f\u062f\u0629 (\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0623\u0648 \u0647\u0648\u0627\u0626\u064a\u0629) (\u0644\u0645\u0646\u0639 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0646\u0642\u0644 \u0639\u0644\u0649 \u0627\u0644\u0623\u062f\u0627\u0621). \u0644\u0627 \u064a\u0645\u0643\u0646 \u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0644\u0627 \u0628\u0639\u062f \u0627\u062c\u062a\u064a\u0627\u0632 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 (\u064a\u064f\u0631\u062c\u0649 \u0627\u0644\u0631\u062c\u0648\u0639 \u0625\u0644\u0649 \u0645\u062e\u0637\u0637 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0645\u0634\u063a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629). 3. \u0642\u0628\u0644 \u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628\u060c \u0627\u0634\u0637\u0641\u0647 \u062c\u064a\u062f\u064b\u0627 \u0644\u0625\u0632\u0627\u0644\u0629 \u0623\u064a \u0634\u0648\u0627\u0626\u0628 \u0645\u062a\u0628\u0642\u064a\u0629 (\u0642\u062f \u062a\u062a\u0633\u0628\u0628 \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0627\u062f \u0641\u064a \u062a\u0644\u0641 \u0645\u0642\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0627\u0644\u0643\u0631\u0629).<br>\n4. \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u0644\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0645\u0634\u063a\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0643\u0646\u0642\u0637\u0629 \u0631\u0641\u0639 \u0644\u062a\u062c\u0646\u0628 \u062a\u0644\u0641 \u0627\u0644\u0645\u0634\u063a\u0644 \u0648\u0645\u0644\u062d\u0642\u0627\u062a\u0647.<br>\n5. \u064a\u062c\u0628 \u062a\u0631\u0643\u064a\u0628 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0623\u0641\u0642\u064a\u064b\u0627 \u0623\u0648 \u0631\u0623\u0633\u064a\u064b\u0627 \u0639\u0644\u0649 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628.<br>\n6. \u064a\u062c\u0628 \u0623\u0644\u0627 \u064a\u0643\u0648\u0646 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0645\u062a\u0631\u0647\u0644\u064b\u0627 \u0623\u0648 \u0645\u0639\u0631\u0636\u064b\u0627 \u0644\u0623\u064a \u0642\u0648\u0649 \u062e\u0627\u0631\u062c\u064a\u0629. \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062f\u0639\u0627\u0645\u0627\u062a \u0623\u0648 \u0623\u0642\u0648\u0627\u0633 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0644\u0645\u0646\u0639 \u0627\u0646\u062d\u0631\u0627\u0641\u0647\u0627.\n\n\u0667. \u0628\u0639\u062f \u062a\u0648\u0635\u064a\u0644\u0647\u0627 \u0628\u0627\u0644\u0623\u0646\u0628\u0648\u0628\u060c \u0627\u0631\u0628\u0637 \u0645\u0633\u0627\u0645\u064a\u0631 \u0627\u0644\u0634\u0641\u0629 \u0628\u0634\u0643\u0644 \u0645\u062a\u0642\u0627\u0637\u0639 \u0628\u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u062d\u062f\u062f.<\/p>\n<p class=\"translation-block\">\u062b\u0627\u0644\u062b\u064b\u0627: \u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0643\u0631\u0629<br>\n1. \u0642\u0628\u0644 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u062a\u0623\u0643\u062f \u0645\u0646 \u062a\u0646\u0638\u064a\u0641 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0648\u0627\u0644\u0635\u0645\u0627\u0645.<br>\n2. \u064a\u062a\u0645 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u062a\u062f\u0648\u064a\u0631 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0641\u0642\u064b\u0627 \u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644 \u0645\u0646 \u0627\u0644\u0645\u0634\u063a\u0644: \u0631\u0628\u0639 \u062f\u0648\u0631\u0629 \u0628\u0627\u062a\u062c\u0627\u0647 \u0639\u0642\u0627\u0631\u0628 \u0627\u0644\u0633\u0627\u0639\u0629 \u0644\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645\u061b \u0648\u0631\u0628\u0639 \u062f\u0648\u0631\u0629 \u0639\u0643\u0633 \u0627\u062a\u062c\u0627\u0647 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\u064a\u0639\u062a\u0645\u062f \u0627\u0644\u0639\u0645\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a \u0627\u0644\u0637\u0648\u064a\u0644 \u0648\u0641\u062a\u0631\u0629 \u0639\u062f\u0645 \u0627\u0644\u062d\u0627\u062c\u0629 \u0644\u0644\u0635\u064a\u0627\u0646\u0629 \u0639\u0644\u0649 \u0639\u062f\u0629 \u0639\u0648\u0627\u0645\u0644: \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a\u0629\u060c \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u0633\u0628\u0629 \u0645\u062a\u0646\u0627\u0633\u0642\u0629 \u0628\u064a\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0636\u063a\u0637\u060c \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u062a\u0622\u0643\u0644 \u0645\u0639\u0642\u0648\u0644\u0629.\n\n\u0645\u0644\u0627\u062d\u0638\u0629: \u062d\u062a\u0649 \u0639\u0646\u062f \u0625\u063a\u0644\u0627\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629\u060c \u064a\u0628\u0642\u0649 \u0633\u0627\u0626\u0644 \u0645\u0636\u063a\u0648\u0637 \u062f\u0627\u062e\u0644 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645.\n\n\u0642\u0628\u0644 \u0627\u0644\u0635\u064a\u0627\u0646\u0629\u060c \u062d\u0631\u0631 \u0636\u063a\u0637 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0648\u0636\u0639 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u064a \u0648\u0636\u0639 \u0627\u0644\u0641\u062a\u062d.\n\n\u0642\u0628\u0644 \u0627\u0644\u0635\u064a\u0627\u0646\u0629\u060c \u0627\u0641\u0635\u0644 \u0645\u0635\u062f\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0623\u0648 \u0627\u0644\u0647\u0648\u0627\u0621.\n\n\u0642\u0628\u0644 \u0627\u0644\u0635\u064a\u0627\u0646\u0629\u060c \u0627\u0641\u0635\u0644 \u0627\u0644\u0645\u0634\u063a\u0644 \u0639\u0646 \u0627\u0644\u062d\u0627\u0645\u0644.<\/p>\n<p class=\"translation-block\">1. Retighten the packing.<br>\r\nIf there is a slight leak at the packing, retighten the valve stem nut.<br>\r\nNote: Do not overtighten; usually, tightening it another 1\/4 turn to 1 turn will stop the leak.<\/p>\n<p class=\"translation-block\">\u0662. \u0627\u0633\u062a\u0628\u062f\u0644 \u0645\u0642\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0627\u0644\u062d\u0644\u0642\u0627\u062a \u0627\u0644\u0645\u0627\u0646\u0639\u0629 \u0644\u0644\u062a\u0633\u0631\u0628.<br>\n\u0623) \u0627\u0644\u0641\u0643<br>\n\u0645\u0639 \u0648\u0636\u0639 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u064a \u0648\u0636\u0639 \u0634\u0628\u0647 \u0645\u0641\u062a\u0648\u062d\u060c \u0627\u0634\u0637\u0641\u0647 \u062c\u064a\u062f\u064b\u0627 \u0644\u0625\u0632\u0627\u0644\u0629 \u0623\u064a \u0645\u0648\u0627\u062f \u062e\u0637\u0631\u0629 \u0645\u062d\u062a\u0645\u0644\u0629 \u0645\u0646 \u062f\u0627\u062e\u0644 \u0648\u062e\u0627\u0631\u062c \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645.<br>\n\u0623\u063a\u0644\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629\u060c \u062b\u0645 \u0623\u0632\u0644 \u0645\u0633\u0627\u0645\u064a\u0631 \u0648\u0635\u0648\u0627\u0645\u064a\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0645\u0646 \u0643\u0644\u0627 \u0627\u0644\u0634\u0641\u062a\u064a\u0646\u060c \u062b\u0645 \u0623\u0632\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628.<br>\n\u0641\u0643\u0643 \u0648\u062d\u062f\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0648\u0627\u0644\u0645\u0634\u063a\u0644\u060c \u0648\u0642\u0648\u0633 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u060c \u0648\u062d\u0644\u0642\u0629 \u0645\u0646\u0639 \u0627\u0644\u0627\u0631\u062a\u062e\u0627\u0621\u060c \u0648\u0635\u0627\u0645\u0648\u0644\u0629 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645\u060c \u0648\u0627\u0644\u0646\u0627\u0628\u0636 \u0627\u0644\u0641\u0631\u0627\u0634\u064a\u060c \u0648\u0627\u0644\u0634\u0628\u0643\u0629\u060c \u0648\u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644\u060c \u0648\u062d\u0634\u0648\u0629 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0627\u0644\u062a\u0633\u0644\u0633\u0644.<br>\n\u0623\u0632\u0644 \u0645\u0633\u0627\u0645\u064a\u0631 \u0648\u0635\u0648\u0627\u0645\u064a\u0644 \u0627\u0644\u063a\u0637\u0627\u0621 \u0644\u0641\u0635\u0644 \u063a\u0637\u0627\u0621 \u0627\u0644\u0635\u0645\u0627\u0645 \u0639\u0646 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645\u060c \u062b\u0645 \u0623\u0632\u0644 \u062d\u0634\u064a\u0629 \u0627\u0644\u063a\u0637\u0627\u0621.<br>\n\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0643\u0631\u0629 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u064a \u0648\u0636\u0639 \"\u0627\u0644\u0625\u064a\u0642\u0627\u0641\"\u060c \u0645\u0645\u0627 \u064a\u0633\u0647\u0644 \u0625\u0632\u0627\u0644\u062a\u0647\u0627 \u0645\u0646 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645. \u062b\u0645 \u0642\u0645 \u0628\u0625\u0632\u0627\u0644\u0629 \u0645\u0642\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645.<br>\n\u0627\u062f\u0641\u0639 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0631\u0641\u0642 \u0625\u0644\u0649 \u0627\u0644\u0623\u0633\u0641\u0644 \u0639\u0628\u0631 \u0627\u0644\u0641\u062a\u062d\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 \u0644\u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u062d\u062a\u0649 \u064a\u062a\u0645 \u0625\u0632\u0627\u0644\u062a\u0647 \u0628\u0627\u0644\u0643\u0627\u0645\u0644\u060c \u062b\u0645 \u0642\u0645 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u062d\u0644\u0642\u0629 \u0627\u0644\u0645\u0637\u0627\u0637\u064a\u0629 (O-ring) \u0648\u062d\u0634\u0648\u0629 \u0645\u0646\u0639 \u0627\u0644\u062a\u0633\u0631\u0628 \u0623\u0633\u0641\u0644 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645.<br>\n\u062a\u0646\u0628\u064a\u0647: \u062a\u0639\u0627\u0645\u0644 \u0628\u062d\u0631\u0635 \u0644\u062a\u062c\u0646\u0628 \u062e\u062f\u0634 \u0633\u0637\u062d \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u062d\u0634\u0648\u0629 \u0645\u0646\u0639 \u0627\u0644\u062a\u0633\u0631\u0628 \u0644\u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645.<br>\n\u0628) \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628<br>\n\u0646\u0638\u0641 \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u062a\u064a \u062a\u0645\u062a \u0625\u0632\u0627\u0644\u062a\u0647\u0627 \u0648\u0627\u0641\u062d\u0635\u0647\u0627. \u064a\u064f\u0646\u0635\u062d \u0628\u0634\u062f\u0629 \u0628\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0645\u0642\u0639\u062f \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u062d\u0634\u064a\u0629 \u0627\u0644\u063a\u0637\u0627\u0621\u060c \u0648\u0645\u0627 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0628\u0642\u0637\u0639 \u063a\u064a\u0627\u0631.<br>\n\u0642\u0645 \u0628\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0628\u062a\u0631\u062a\u064a\u0628 \u0639\u0643\u0633\u064a \u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0641\u0643.<br>\n\u0634\u062f \u0628\u0631\u0627\u063a\u064a \u0627\u0644\u0634\u0641\u0629 \u0628\u0634\u0643\u0644 \u0645\u062a\u0642\u0627\u0637\u0639 \u0628\u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u062d\u062f\u062f.<br>\n\u0634\u062f \u0635\u0627\u0645\u0648\u0644\u0629 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u062d\u062f\u062f.<br>\n\u0628\u0639\u062f \u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0634\u063a\u0644\u060c \u0623\u062f\u062e\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u062a\u062f\u0648\u064a\u0631 \u0633\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062f\u0648\u0631\u0627\u0646 \u0642\u0644\u0628 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0641\u062a\u062d\u0647 \u0648\u0625\u063a\u0644\u0627\u0642\u0647.<br>\n\u0625\u0630\u0627 \u0623\u0645\u0643\u0646\u060c \u0642\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0625\u062d\u0643\u0627\u0645 \u0627\u0644\u0636\u063a\u0637 \u0648\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0639\u0644\u0649 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629 \u0642\u0628\u0644 \u0625\u0639\u0627\u062f\u0629 \u062a\u0631\u0643\u064a\u0628\u0647 \u0641\u064a \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-1749 size-full\" src=\"http:\/\/chinavalve.com\/wp-content\/uploads\/2026\/07\/news-0729-1-1.jpg\" alt=\"\" width=\"1087\" height=\"725\" srcset=\"https:\/\/chinavalve.com\/wp-content\/uploads\/2026\/07\/news-0729-1-1.jpg 1087w, https:\/\/chinavalve.com\/wp-content\/uploads\/2026\/07\/news-0729-1-1-300x200.jpg 300w, https:\/\/chinavalve.com\/wp-content\/uploads\/2026\/07\/news-0729-1-1-1024x683.jpg 1024w, https:\/\/chinavalve.com\/wp-content\/uploads\/2026\/07\/news-0729-1-1-768x512.jpg 768w, https:\/\/chinavalve.com\/wp-content\/uploads\/2026\/07\/news-0729-1-1-600x400.jpg 600w\" sizes=\"(max-width: 1087px) 100vw, 1087px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>I. Ball Valve Temperature and Pressure Limitations For valve seats and seals made of PTFE or RTFE, the operating temperature should be between -290\u2103 and 2000\u2103. The operating temperature for other types of valve seats and seals should be verified by the factory. The nominal pressure rating (PN) of the valve indicates its ultimate operating [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[39,17],"tags":[],"class_list":["post-1747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-trends","category-news"],"_links":{"self":[{"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/posts\/1747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/comments?post=1747"}],"version-history":[{"count":2,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/posts\/1747\/revisions"}],"predecessor-version":[{"id":1752,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/posts\/1747\/revisions\/1752"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/media\/1749"}],"wp:attachment":[{"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/media?parent=1747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/categories?post=1747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinavalve.com\/ar\/wp-json\/wp\/v2\/tags?post=1747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}