{"id":32,"date":"2016-02-19T20:52:07","date_gmt":"2016-02-19T18:52:07","guid":{"rendered":"http:\/\/www.inst-sim.com\/1\/?p=32"},"modified":"2017-07-21T17:37:09","modified_gmt":"2017-07-21T15:37:09","slug":"32","status":"publish","type":"post","link":"https:\/\/www.inst-sim.com\/1\/valves\/32\/","title":{"rendered":"\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 Butterfly Valve"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"size-full wp-image-33 alignright\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image013.gif\" alt=\"image013\" width=\"198\" height=\"218\" \/><\/p>\n<p><span style=\"color: #ff6600;\"><strong>\u0645\u0642\u062f\u0645\u0629 Introduction<\/strong><\/span><\/p>\n<p>\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629\u00a0<span style=\"color: #0000ff;\">Butterfly Valve<\/span> \u0647\u0648 \u0623\u062d\u062f \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0633\u0631\u064a\u0627\u0646 <span style=\"color: #0000ff;\">Flow<\/span> \u0648\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0648\u0627\u0626\u0639 \u062e\u0644\u0627\u0644 \u0627\u0644\u0645\u0648\u0627\u0633\u064a\u0631 <span style=\"color: #0000ff;\">Pipes<\/span> , \u0648\u0639\u0645\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 <span style=\"color: #0000ff;\">Butterfly Valve<\/span> \u0645\u0634\u0627\u0628\u0647 \u0644\u0639\u0645\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 <span style=\"color: #0000ff;\">Ball Valve<\/span> . \u0642\u0631\u0635 \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u064a\u062a\u0645\u0631\u0643\u0632 \u0641\u064a \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0645\u0627\u0633\u0648\u0631\u0629 \u0648\u064a\u062a\u0635\u0644 \u0628\u0645\u0634\u063a\u0644 Actuator \u0645\u0646 \u0627\u0644\u062e\u0627\u0631\u062c \u0628\u0648\u0627\u0633\u0637\u0629 \u0642\u0636\u064a\u0628 <span style=\"color: #0000ff;\">Stem<\/span> . \u0628\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u0634\u063a\u0644 \u064a\u0645\u0643\u0646 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0642\u0631\u0635 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0639\u0645\u0648\u062f\u064a \u0623\u0648 \u0645\u0648\u0627\u0632\u064a \u0644\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0633\u0631\u064a\u0627\u0646 \u062d\u064a\u062b \u0639\u0646\u062f \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0643\u0627\u0645\u0644 \u064a\u0643\u0648\u0646 \u0627\u0644\u0642\u0631\u0635 \u0645\u0648\u0627\u0632\u064a \u0644\u0645\u062d\u0648\u0631 \u0627\u0644\u0645\u0627\u0633\u0648\u0631\u0629 \u0648\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0633\u0631\u064a\u0627\u0646. \u062e\u0644\u0627\u0641 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629\u060c \u0627\u0644\u0642\u0631\u0635 \u0641\u064a \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u062f\u0627\u0626\u0645\u064b\u0627 \u064a\u0643\u0648\u0646 \u0648\u0633\u0637 \u0627\u0644\u0633\u0631\u064a\u0627\u0646\u060c \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u064a\u0646\u062a\u062c \u0627\u0646\u062e\u0641\u0627\u0636 \u0644\u0644\u0636\u063a\u0637 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u0635\u0631\u0641 \u0627\u0644\u0646\u0638\u0631 \u0639\u0646 \u0648\u0636\u0639 \u0627\u0644\u0645\u062d\u0628\u0633 (\u0645\u0646 \u062d\u064a\u062b \u0646\u0633\u0628\u0629 \u0627\u0644\u0641\u062a\u062d \u0623\u0648 \u0627\u0644\u0625\u063a\u0644\u0627\u0642).<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff6600;\"><strong>\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0643\u0627\u0645\u0644 \u0648\u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0643\u0627\u0645\u0644<\/strong><\/span><\/p>\n<table class=\" aligncenter\" style=\"height: 230px;\" width=\"471\" cellspacing=\"20\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-45\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image014-300x84.jpg\" alt=\"image014\" width=\"300\" height=\"84\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image014-300x84.jpg 300w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image014.jpg 612w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/td>\n<td style=\"text-align: center;\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-46\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image015.gif\" alt=\"image015\" width=\"99\" height=\"130\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\"><span style=\"color: #0000ff;\">\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0643\u0627\u0645\u0644 \u0648\u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0627\u0644\u0643\u0627\u0645\u0644<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0647\u0648 \u0645\u0646 \u0639\u0627\u0626\u0644\u0629 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0631\u0628\u0639 \u0644\u0641\u0629 <span style=\"color: #0000ff;\">Quarter-Turn Valve<\/span> (\u0628\u0632\u0627\u0648\u064a\u0629 90\u02da) \u060c \u0648&#8221;\u0627\u0644\u0641\u0631\u0627\u0634\u0629&#8221; \u0647\u064a \u0642\u0631\u0635 \u0645\u0639\u062f\u0646\u064a \u0645\u062b\u0628\u062a \u0645\u0646 \u0648\u0633\u0637\u0647 \u0628\u0648\u0627\u0633\u0637\u0629 \u0642\u0636\u064a\u0628 <span style=\"color: #0000ff;\">Stem<\/span> \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0642\u0637\u0631 \u0627\u0644\u0642\u0631\u0635 \u0645\u0633\u0627\u0648\u064a\u0627 \u0644\u0642\u0637\u0631 \u0627\u0644\u0623\u0646\u0628\u0648\u0628. \u0639\u0646\u062f\u0645\u0627 \u064a\u063a\u0644\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u064a\u062f\u0648\u0631 \u0627\u0644\u0642\u0631\u0635 \u062d\u0648\u0644 \u0645\u062d\u0648\u0631\u0647 \u0644\u064a\u0633\u062f \u0637\u0631\u064a\u0642 \u0627\u0644\u0645\u0627\u0626\u0639 \u0643\u0644\u064a\u064b\u0627. \u0648\u0639\u0646\u062f\u0645\u0627 \u064a\u0641\u062a\u062d \u0627\u0644\u0635\u0645\u0627\u0645 \u0643\u0644\u064a\u064b\u0627 \u064a\u062f\u0648\u0631 \u0627\u0644\u0642\u0631\u0635 \u0631\u0628\u0639 \u0644\u0641\u0629 \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u064a\u0633\u0645\u062d \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0645\u0627\u0626\u0639. \u0648\u064a\u0645\u0643\u0646 \u0641\u062a\u062d \u0648\u063a\u0644\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0628\u0646\u0633\u0628\u0629 \u0645\u0639\u064a\u0646\u0629 \u0644\u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0633\u0631\u064a\u0627\u0646 .<br \/>\n<span style=\"color: #ff6600;\"><strong>\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0635\u0645\u0627\u0645 Valve Components<\/strong><\/span><\/p>\n<table class=\" aligncenter\" style=\"height: 376px;\" width=\"606\" cellspacing=\"20\">\n<tbody>\n<tr>\n<td><img loading=\"lazy\" class=\"alignnone size-medium wp-image-47\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image016-300x196.jpg\" alt=\"image016\" width=\"300\" height=\"196\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image016-300x196.jpg 300w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image016.jpg 591w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/td>\n<td><img loading=\"lazy\" class=\"alignnone size-medium wp-image-42\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image002-249x300.jpg\" alt=\"image002\" width=\"249\" height=\"300\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image002-249x300.jpg 249w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image002.jpg 323w\" sizes=\"(max-width: 249px) 100vw, 249px\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\"><span style=\"color: #0000ff;\">\u0645\u0643\u0648\u0646\u0627\u062a \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 Butterfly Valve<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0647\u0648 \u0635\u0645\u0627\u0645 \u0630\u0648 \u062c\u0633\u0645 \u062f\u0627\u0626\u0631\u064a \u064a\u0648\u062c\u062f \u0641\u064a \u0645\u0646\u062a\u0635\u0641\u0647 \u0642\u0631\u0635 \u062f\u0648\u0627\u0631 \u0627\u0644\u062d\u0631\u0643\u0629 \u0648 \u0645\u062a\u0635\u0644 \u0628\u0633\u0627\u0642 (\u0642\u0636\u064a\u0628 \u0645\u0639\u062f\u0646\u064a). \u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0633\u0627\u0642 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0642\u0631\u0635. \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0633\u0627\u0642 \u0639\u062f\u0629 \u0637\u0631\u0642 . \u0641\u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0623\u0642\u0637\u0627\u0631 \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u062a\u0633\u062a\u062e\u062f\u0645 \u064a\u062f \u062f\u0627\u0626\u0631\u064a\u0629 \u0639\u0627\u062f\u064a\u0629 \u0644\u0641\u062a\u062d\u0647\u0627 \u0648\u0625\u063a\u0644\u0627\u0642\u0647\u0627 \u0623\u0648 \u0630\u0631\u0627\u0639 \u0630\u0627\u062a \u0645\u0642\u0628\u0636 \u0636\u0627\u063a\u0637 <span style=\"color: #0000ff;\">Hand Lever<\/span> \u060c \u0623\u0645\u0627 \u0641\u064a \u0627\u0644\u0623\u0642\u0637\u0627\u0631 \u0627\u0644\u0623\u0643\u0628\u0631 \u0641\u064a\u0633\u062a\u062e\u062f\u0645 \u0645\u0634\u063a\u0644\u0627\u062a (<span style=\"color: #0000ff;\">actuator<\/span>) \u0628\u0623\u0646\u0648\u0627\u0639\u0647\u0627 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0646 \u0645\u0634\u063a\u0644\u0627\u062a \u0643\u0647\u0631\u0628\u064a\u0629 \u0623\u0648 \u0628\u0636\u063a\u0637 \u0627\u0644\u0647\u0648\u0627\u0621 \u0623\u0648 \u0627\u0644\u0632\u064a\u062a \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a .\u0648 \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u062a\u064a\u0646 (\u0627\u0644\u064a\u062f\u0648\u064a\u0629 \u0623\u0648 \u0627\u0644\u0645\u0634\u063a\u0644\u0627\u062a \u0627\u0644\u0623\u0648\u062a\u0648\u0645\u0627\u062a\u064a\u0643\u064a\u0629) \u064a\u0645\u0643\u0646 \u062a\u0631\u0643\u064a\u0628 \u0635\u0646\u062f\u0648\u0642 \u062a\u0631\u0648\u0633 \u0644\u062a\u0633\u0647\u064a\u0644 \u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0642\u0631\u0635 .<\/p>\n<p>&nbsp;<\/p>\n<table class=\" aligncenter\" style=\"height: 378px;\" width=\"959\">\n<tbody>\n<tr>\n<td width=\"301\"><img loading=\"lazy\" class=\"size-full wp-image-38 aligncenter\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image019.gif\" alt=\"image019\" width=\"90\" height=\"159\" \/><\/td>\n<td width=\"314\">\u00a0<img loading=\"lazy\" class=\"alignnone size-full wp-image-39\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image020.gif\" alt=\"image020\" width=\"300\" height=\"300\" \/><\/td>\n<td width=\"475\">\u00a0<img loading=\"lazy\" class=\"alignnone size-medium wp-image-40\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image021-300x200.gif\" alt=\"image021\" width=\"300\" height=\"200\" \/><\/td>\n<\/tr>\n<tr>\n<td width=\"301\">\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u064a\u062f\u0648\u064a \u0628\u0630\u0631\u0627\u0639 Handle<\/span><\/p>\n<\/td>\n<td colspan=\"2\" width=\"790\">\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0641\u062a\u062d \u0648\u063a\u0644\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u0637\u0627\u0631\u0629 \u062f\u0627\u0626\u0631\u064a\u0629 \u0648 \u0635\u0646\u062f\u0648\u0642 \u062a\u0631\u0648\u0633 Gear Box Operator<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-43\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image003.gif\" alt=\"image003\" width=\"230\" height=\"171\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0635\u0645\u0627\u0645 \u0641\u0631\u0627\u0634\u0629 \u064a\u062a\u0645 \u0641\u062a\u062d\u0647 \u0648\u0625\u063a\u0644\u0627\u0642\u0647 \u0628\u0645\u0634\u063a\u0644 \u0646\u064a\u0648\u0645\u0627\u062a\u064a\u0643\u064a Pneumatic Actuator<\/span><\/p>\n<p>*<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-1006 size-full\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/Open-Butterfly-using-Wheel-Ani-Onen-Close.gif\" alt=\"\" width=\"523\" height=\"483\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\">\u0635\u0645\u0627\u0645 \u0641\u0631\u0627\u0634\u0629 Butterfly Valve \u064a\u062a\u0645 \u0641\u062a\u062d\u0647 \u0648\u0625\u063a\u0644\u0627\u0642\u0647 \u0628\u0645\u0634\u063a\u0644 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0637\u0627\u0631\u0629 \u064a\u062f\u0648\u064a\u0629 Hand Wheel \u0648\u0635\u0646\u062f\u0648\u0642 \u062a\u0631\u0648\u0633 Gear Box<\/span><\/p>\n<p>*<\/p>\n<p><span style=\"color: #ff0000;\"><strong><u>\u0645\u0644\u0627\u062d\u0638\u0629 \u0647\u0627\u0645\u0629<\/u><\/strong><\/span><\/p>\n<p>\u0630\u0631\u0627\u0639 \u0641\u062a\u062d \u0648\u0625\u063a\u0644\u0627\u0642 \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u064a \u0645\u0642\u0628\u0636 \u0636\u0627\u063a\u0637 <span style=\"color: #0000ff;\">Hand Lever<\/span> \u0644\u062a\u062b\u0628\u064a\u062a \u0648\u0636\u0639 \u0627\u0644\u0635\u0645\u0627\u0645 \u0639\u0644\u064a \u0646\u0633\u0628\u0629 \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u062f\u0648\u0646 \u062a\u0623\u062b\u064a\u0631 \u0636\u063a\u0637 \u0627\u0644\u0633\u0627\u0626\u0644 \u0627\u0644\u0645\u062a\u062f\u0641\u0642 \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0627\u0633\u0648\u0631\u0629 \u0639\u0644\u064a \u0646\u0633\u0628\u0629 \u0627\u0644\u0641\u062a\u062d \u0623\u0648 \u0627\u0644\u062a\u0633\u0628\u0628 \u0641\u064a \u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0642\u0631\u0635 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629.<\/p>\n<div id=\"attachment_44\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-44\" loading=\"lazy\" class=\"wp-image-44 size-medium\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image007-300x228.jpg\" alt=\"image007\" width=\"300\" height=\"228\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image007-300x228.jpg 300w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/image007.jpg 471w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-44\" class=\"wp-caption-text\"><span style=\"color: #0000ff;\"> \u0630\u0631\u0627\u0639 \u0630\u0627\u062a \u0645\u0642\u0628\u0636 \u0636\u0627\u063a\u0637 Hand Lever<\/span><\/p><\/div>\n<p>&nbsp;<\/p>\n<table class=\" aligncenter\" style=\"height: 352px;\" width=\"987\">\n<tbody>\n<tr>\n<td width=\"485\">\u0641\u064a \u0627\u0644\u0633\u0631\u0639\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u064a\u0641\u0636\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0637\u0627\u0631\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0645\u0639 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u0628\u062f\u0644\u0627 \u0645\u0646 \u0627\u0644\u0630\u0631\u0627\u0639 \u0645\u0639 \u0627\u0644\u0645\u0642\u0628\u0636 \u0627\u0644\u0636\u0627\u063a\u0637 .<\/td>\n<td width=\"485\">\n<p dir=\"ltr\">At high flow velocity we recommend to use a gear operator instead of a hand lever.<\/p>\n<p dir=\"ltr\">\u2022 A butterfly valve is not self-locking:<\/p>\n<p dir=\"ltr\">The actuating device shall not be disassembled, as long as the valve is flowed or pressurised.<\/p>\n<p dir=\"ltr\">The butterfly valve and butterfly stem has no self-locking capacity. It is necessary to install the worm gear reducer on the stem for positioning of the butterfly plate. The use of the worm gear reducer not only enables the butterfly plate to have the self-locking capacity so as to make the butterfly plate stop at any position, but it can improve operation performances of the valve.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff6600;\"><strong>\u0646\u0645\u0648\u0630\u062c \u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 <\/strong><strong>Butterfly Valve<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" class=\"wp-image-51 size-full aligncenter\" src=\"http:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/Untitled.png\" alt=\"Untitled\" width=\"612\" height=\"464\" srcset=\"https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/Untitled.png 612w, https:\/\/www.inst-sim.com\/1\/wp-content\/uploads\/2016\/02\/Untitled-300x227.png 300w\" sizes=\"(max-width: 612px) 100vw, 612px\" \/><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<table class=\"aligncenter\" style=\"height: 503px; border-color: #0f0d0d; background-color: #faf5f5;\" border=\"2\" width=\"216\">\n<tbody>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\"><strong>Item<\/strong><\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\"><strong>Part Name<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">1<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Body<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">2<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Seat<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">3<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Stem Disc<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">4<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Stem Bearing<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">5<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Body Seal<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">6<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Body Bolt<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">7<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Handle<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">8<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Handle Lever<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">9<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Handle Bolt<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">10<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Handle Nut<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">11<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Key Pad<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">12<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Handle Spring<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">13<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Socket Set Screw &#8211; M8<\/td>\n<\/tr>\n<tr>\n<td style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"20%\">14<\/td>\n<td dir=\"ltr\" style=\"border-color: #080808; background-color: #ebebeb; width: 20%;\" width=\"79%\">Socket Set Screw &#8211; M6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff6600;\"><strong>\u0627\u0644\u062e\u0635\u0627\u0626\u0635<\/strong><\/span><\/p>\n<p>\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0644\u0627\u062a\u0646\u062a\u0645\u064a \u0644\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u062e\u0637\u064a\u0629 \u0628\u0645\u0639\u0646\u0649 \u0623\u0646 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0627\u0631 \u0641\u064a \u0627\u0644\u0635\u0645\u0627\u0645 \u0644\u0627 \u064a\u062a\u063a\u064a\u0631 \u062e\u0637\u064a\u0627 \u0645\u0639 \u0632\u0627\u0648\u064a\u0629 \u0627\u0644\u0641\u062a\u062d. \u062a\u0643\u0648\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0647\u0630\u0647 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0635\u063a\u064a\u0631\u0629 \u0646\u0633\u0628\u064a\u0627 \u0639\u0646\u062f \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0643\u0644\u064a \u0628\u064a\u0646\u0645\u0627 \u062a\u0635\u0628\u062d \u0623\u0643\u062b\u0631 \u062d\u0633\u0627\u0633\u064a\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0646\u062f\u0645\u0627 \u062a\u0635\u0628\u062d \u0632\u0627\u0648\u064a\u0629 \u0627\u0644\u0641\u062a\u062d \u0628\u064a\u0646 15<sup>o<\/sup> \u064870<sup>o<\/sup> .<\/p>\n<p>\u062a\u0643\u0648\u0646 \u0647\u0630\u0647 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0628\u0637\u0628\u064a\u0639\u0629 \u0627\u0644\u062d\u0627\u0644 \u0645\u0635\u062d\u0648\u0628\u0629 \u0628\u0645\u062e\u0637\u0637\u0627\u062a \u0648\u062c\u062f\u0627\u0648\u0644 \u0628\u064a\u0627\u0646\u064a\u0629 \u0643\u0645\u0627 \u062a\u0648\u062c\u062f \u0623\u064a\u0636\u0627 \u0639\u0644\u0627\u0642\u0627\u062a \u0631\u064a\u0627\u0636\u064a\u0629 \u062a\u0642\u0631\u064a\u0628\u064a\u0629 \u0644\u0628\u064a\u0627\u0646 \u0647\u0630\u0647 \u0627\u0644\u062e\u0648\u0627\u0635 .<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff6600;\"><strong>\u0627\u0644\u0645\u0635\u0627\u062f\u0631<\/strong><\/span><\/p>\n<table style=\"border-color: #e63030;\">\n<tbody>\n<tr>\n<td width=\"48\"><\/td>\n<td width=\"714\">\n<p style=\"text-align: center;\"><strong>\u0627\u0644\u0645\u0635\u062f\u0631<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"48\">1<\/td>\n<td width=\"714\">\n<p dir=\"ltr\"><a href=\"https:\/\/ar.wikipedia.org\/wiki\/%D8%B5%D9%85%D8%A7%D9%85_%D9%81%D8%B1%D8%A7%D8%B4%D8%A9\">https:\/\/ar.wikipedia.org\/wiki\/%D8%B5%D9%85%D8%A7%D9%85_%D9%81%D8%B1%D8%A7%D8%B4%D8%A9<\/a><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><strong><span style=\"color: #ff9900;\">\u0645\u0648\u0627\u0636\u064a\u0639 \u0630\u0627\u062a \u0635\u0644\u0629<\/span><\/strong><\/h3>\n<ul>\n<li><strong><a href=\"http:\/\/www.inst-sim.com\/1\/valves\/ball-valve\/\" target=\"_blank\" rel=\"noopener\">\u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 Ball Valve<\/a><\/strong><\/li>\n<li><strong><a href=\"http:\/\/www.inst-sim.com\/1\/valves\/classification-of-valves\/\">\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0635\u0645\u0627\u0645\u0627\u062a Classification of Valves<\/a><\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u0642\u062f\u0645\u0629 Introduction \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629\u00a0Butterfly Valve \u0647\u0648 \u0623\u062d\u062f \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0633\u0631\u064a\u0627\u0646 Flow \u0648\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0648\u0627\u0626\u0639 \u062e\u0644\u0627\u0644 \u0627\u0644\u0645\u0648\u0627\u0633\u064a\u0631 Pipes , \u0648\u0639\u0645\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 Butterfly Valve \u0645\u0634\u0627\u0628\u0647 \u0644\u0639\u0645\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0643\u0631\u0629 Ball Valve . \u0642\u0631\u0635 \u0635\u0645\u0627\u0645 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u064a\u062a\u0645\u0631\u0643\u0632 \u0641\u064a \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0645\u0627\u0633\u0648\u0631\u0629 \u0648\u064a\u062a\u0635\u0644 \u0628\u0645\u0634\u063a\u0644 Actuator \u0645\u0646 \u0627\u0644\u062e\u0627\u0631\u062c \u0628\u0648\u0627\u0633\u0637\u0629 \u0642\u0636\u064a\u0628 Stem . \u0628\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u0634\u063a\u0644 \u064a\u0645\u0643\u0646 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0642\u0631\u0635 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0639\u0645\u0648\u062f\u064a \u0623\u0648 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":33,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts\/32"}],"collection":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/comments?post=32"}],"version-history":[{"count":20,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts\/32\/revisions"}],"predecessor-version":[{"id":1007,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/posts\/32\/revisions\/1007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/media\/33"}],"wp:attachment":[{"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/media?parent=32"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/categories?post=32"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inst-sim.com\/1\/wp-json\/wp\/v2\/tags?post=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}