{"id":8417,"date":"2026-06-14T20:33:54","date_gmt":"2026-06-14T20:33:54","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8417"},"modified":"2026-06-14T20:34:56","modified_gmt":"2026-06-14T20:34:56","slug":"control-valve-cv-calculation-actuator-sizing","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/ar\/control-valve-cv-calculation-actuator-sizing\/","title":{"rendered":"\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0634\u063a\u0644 \u0648\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0635\u0645\u0627\u0645: \u0637\u0631\u0642 \u0627\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0647\u0646\u062f\u0633\u064a"},"content":{"rendered":"
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\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0634\u063a\u0644\u0627\u062a: \u062f\u0644\u064a\u0644 \u062d\u0633\u0627\u0628\u0627\u062a \u0647\u0646\u062f\u0633\u064a\u0629 \u0634\u0627\u0645\u0644<\/h2>\n

\u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u060c \u0648\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062f\u0641\u0639\u060c \u0648\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0645\u0634\u063a\u0644\u0627\u062a \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a. \u0635\u064a\u063a \u062a\u0642\u0646\u064a\u0629\u060c \u0648\u0623\u0645\u062b\u0644\u0629 \u0645\u062d\u0644\u0648\u0644\u0629\u060c \u0648\u0637\u0631\u0642 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u062c\u0631\u0628\u0629 \u0645\u064a\u062f\u0627\u0646\u064a\u0627\u064b.<\/p>\n<\/div>\n

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\u0627\u0644\u062a\u0646\u0642\u0644 \u0627\u0644\u0633\u0631\u064a\u0639:<\/strong> \u0623\u0633\u0627\u0633\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0631\u0629 \u0627\u0644\u0630\u0627\u062a\u064a\u0629<\/a> | \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0633\u0627\u0626\u0644<\/a> | \u0627\u0644\u063a\u0627\u0632 Cv<\/a> | \u0633\u062a\u064a\u0645 \u0633\u064a \u0641\u064a<\/a> | \u0642\u0648\u0629 \u062f\u0641\u0639 \u0627\u0644\u0645\u062d\u0631\u0643<\/a> | \u062f\u0644\u064a\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/a><\/p>\n<\/div>\n

1. \u0623\u0633\u0627\u0633\u064a\u0627\u062a \u0645\u0639\u0627\u0645\u0644 \u062a\u062f\u0641\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 (Cv)<\/h3>\n

\u0627\u0644 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 Cv<\/strong> \u064a\u0642\u064a\u0633 \u0647\u0630\u0627 \u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0642\u062f\u0631\u0629 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0639\u0644\u0649 \u062a\u0645\u0631\u064a\u0631 \u0627\u0644\u0633\u0648\u0627\u0626\u0644. \u0648\u064a\u064f\u0639\u0631\u064e\u0651\u0641 \u0641\u064a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629: \u0645\u0627\u0621 \u0628\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 60 \u0641\u0647\u0631\u0646\u0647\u0627\u064a\u062a \u0645\u0639 \u0627\u0646\u062e\u0641\u0627\u0636 \u0636\u063a\u0637 \u0645\u0642\u062f\u0627\u0631\u0647 1 \u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629\u060c \u0648\u064a\u064f\u0642\u0627\u0633 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0627\u0644\u063a\u0627\u0644\u0648\u0646\u0627\u062a \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629. \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0627\u0644\u0639\u0627\u0645\u0644\u0648\u0646 \u0645\u0639 \u0641\u064a\u0634\u0631<\/a> \u0648\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0627\u0644\u0623\u062e\u0631\u0649 \u0644\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0639\u0644\u0649 \u062d\u0633\u0627\u0628\u0627\u062a Cv \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/p>\n

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\u0627\u0644\u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a:<\/strong> Cv = Q \u00d7 \u221a(SG\/\u0394P)<\/p>\n

\u062d\u064a\u062b Q = \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 (\u063a\u0627\u0644\u0648\u0646 \u0623\u0645\u0631\u064a\u0643\u064a\/\u062f\u0642\u064a\u0642\u0629)\u060c SG = \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0646\u0648\u0639\u064a\u0629 (\u0627\u0644\u0645\u0627\u0621 = 1.0)\u060c \u0394P = \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 (\u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629)<\/p>\n<\/div>\n

1.1 \u062a\u062d\u0648\u064a\u0644 \u0642\u064a\u0645\u0629 CV \u0645\u0642\u0627\u0628\u0644 \u0642\u064a\u0645\u0629 Kv<\/h4>\n\n\n\n\n\n\n
\u0645\u0639\u064a\u0627\u0631<\/th>\n\u0634\u0631\u0648\u0637<\/th>\n\u0627\u0644\u0648\u062d\u062f\u0627\u062a<\/th>\n<\/tr>\n<\/thead>\n
\u0627\u0644\u0633\u064a\u0631\u0629 \u0627\u0644\u0630\u0627\u062a\u064a\u0629 (\u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629)<\/td>\n\u0394P = 1 \u0631\u0637\u0644\/\u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629\u060c \u0645\u0627\u0621 \u0639\u0646\u062f 60 \u062f\u0631\u062c\u0629 \u0641\u0647\u0631\u0646\u0647\u0627\u064a\u062a<\/td>\n\u062c\u0627\u0644\u0648\u0646 \u0623\u0645\u0631\u064a\u0643\u064a\/\u062f\u0642\u064a\u0642\u0629<\/td>\n<\/tr>\n
Kv (\u0645\u062a\u0631\u064a)<\/td>\n\u0394P = 1 \u0628\u0627\u0631\u060c \u0645\u0627\u0621 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 5-30 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n\u0645\u00b3\/\u0633\u0627\u0639\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u062a\u062d\u0648\u064a\u0644:<\/strong> Cv = 1.156 \u00d7 Kv<\/p>\n

2. \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0646\u0648\u0639\u064a\u0629 \u0644\u0644\u0633\u0627\u0626\u0644<\/h3>\n

2.1 \u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 (\u062a\u062f\u0641\u0642 \u063a\u064a\u0631 \u062e\u0627\u0646\u0642)<\/h4>\n
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Cv = Q \u00d7 \u221a(SG \/ \u0394P)<\/p>\n<\/div>\n

2.2 \u062a\u0635\u062d\u064a\u062d \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u062e\u062a\u0646\u0642<\/h4>\n

\u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u062c\u0627\u0648\u0632 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062d\u0631\u062c\u0629 (\u062e\u0637\u0631 \u0627\u0644\u0648\u0645\u064a\u0636\/\u0627\u0644\u062a\u062c\u0648\u064a\u0641):<\/p>\n

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Cv = Q \u00d7 \u221a(SG \/ (FL<\/sub>\u00b2 \u00d7 (P\u2081 \u2013 FF<\/sub> \u00d7 Pv<\/sub>)))<\/p>\n<\/div>\n\n\n\n\n\n\n\n
\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th>\n\u0648\u0635\u0641<\/th>\n\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n
FL<\/sub><\/td>\n\u0645\u0639\u0627\u0645\u0644 \u0627\u0633\u062a\u0639\u0627\u062f\u0629 \u0627\u0644\u0636\u063a\u0637<\/td>\n0.85-0.95 (\u0635\u0645\u0627\u0645 \u0643\u0631\u0648\u064a)<\/td>\n<\/tr>\n
FF<\/sub><\/td>\n\u0645\u0639\u0627\u0645\u0644 \u0646\u0633\u0628\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062d\u0631\u062c<\/td>\n0.96-0.98<\/td>\n<\/tr>\n
Pv<\/sub><\/td>\n\u0636\u063a\u0637 \u0628\u062e\u0627\u0631 \u0627\u0644\u0633\u0627\u0626\u0644 (psia)<\/td>\n\u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0633\u0648\u0627\u0626\u0644<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2.3 \u0645\u062b\u0627\u0644 \u0639\u0645\u0644\u064a: \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0645\u0627\u0621<\/h4>\n
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\u0634\u0631\u0648\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629:<\/p>\n