{"id":3981,"date":"2026-06-11T08:50:45","date_gmt":"2026-06-11T00:50:45","guid":{"rendered":"https:\/\/www.longgangpump.com\/?p=3981"},"modified":"2026-06-12T11:27:34","modified_gmt":"2026-06-12T03:27:34","slug":"high-pressure-segmented-multistage-pumps-for-boiler-water-transport-in-power-plants","status":"publish","type":"post","link":"https:\/\/www.longgangpump.com\/el\/high-pressure-segmented-multistage-pumps-for-boiler-water-transport-in-power-plants\/","title":{"rendered":"\u0391\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 \u03a0\u03bf\u03bb\u03c5\u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03c9\u03bd \u03a4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u0394\u03bf\u03bc\u03ae\u03c2 \u03a5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03a0\u03af\u03b5\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u039d\u03b5\u03c1\u03bf\u03cd \u039b\u03b5\u03b2\u03ae\u03c4\u03c9\u03bd \u03c3\u03b5 \u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03a3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2"},"content":{"rendered":"<p>\u03a3\u03c4\u03b7\u03bd \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae \u03c1\u03cd\u03b8\u03bc\u03b9\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd, \u03b7 \u03c1\u03cd\u03b8\u03bc\u03b9\u03c3\u03b7 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1\u03c2 \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c9\u03c2 \u03c4\u03bf \u03ba\u03cd\u03c1\u03b9\u03bf \u00ab\u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03b9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7\u03c2\u00bb. \u0394\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c6\u03c4\u03ac\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03bb\u03ad\u03b2\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd 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\u03c6\u03c5\u03b3\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af \u03c3\u03bf\u03b2\u03b1\u03c1\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03bf\u03b9 \u03c3\u03c6\u03c1\u03b1\u03b3\u03af\u03b4\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03bf\u03c5\u03bd \u03c3\u03c5\u03c7\u03bd\u03ac, \u03c4\u03b1 \u03ad\u03b4\u03c1\u03b1\u03bd\u03b1 \u03c6\u03b8\u03b5\u03af\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03c9\u03c1\u03af\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03ba\u03ae \u03ba\u03bf\u03b9\u03bb\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c3\u03b5 \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03c8\u03b7\u03bb\u03cc \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b5\u03c0\u03b9\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd. \u038c\u03c4\u03b1\u03bd \u03b7 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03c0\u03c5\u03c1\u03ae\u03bd\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b2\u03c1\u03cc\u03c7\u03bf\u03c5, \u03c7\u03b1\u03bb\u03ac\u03c3\u03b5\u03b9, \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac.<\/p>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03cd\u03c3\u03b5\u03c4\u03b5 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2, \u03bc\u03b9\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 \u03b4\u03b5\u03bd \u03b1\u03c1\u03ba\u03b5\u03af. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03ba\u03b9\u03bd\u03b5\u03b6\u03b9\u03ba\u03ae \u03c4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 BB4 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b3\u03b9\u03b1 \u03c3\u03ba\u03bb\u03b7\u03c1\u03ae \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2. <a href=\"https:\/\/www.longgangpump.com\/el\/\"><strong><u>Longgang Pump<\/u><\/strong><u>\u00a0<\/u><\/a>\u0388\u03c7\u03b5\u03b9 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03b5\u03bb\u03b5\u03b9\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 API 685 BB4, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 API 610\/ISO 13709. \u0391\u03c5\u03c4\u03ae \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03b5\u03be\u03b1\u03bb\u03b5\u03af\u03c6\u03b5\u03b9 \u03c4\u03b1 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b2\u03b1\u03c1\u03ae \u03bb\u03cd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03cc\u03c3\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03ba\u03b1\u03b9 \u03bc\u03b1\u03ba\u03c1\u03bf\u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter  wp-image-3987\" src=\"https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/High-pressure-pumps-ensure-reliable-efficient-power-plant-operations.jpg\" alt=\"\u039f\u03b9 \u03b1\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03c5\u03bd \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03c3\u03c4\u03b1\u03b8\u03bc\u03af\u03c9\u03bd\" width=\"503\" height=\"350\" srcset=\"https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/High-pressure-pumps-ensure-reliable-efficient-power-plant-operations.jpg 744w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/High-pressure-pumps-ensure-reliable-efficient-power-plant-operations-300x209.jpg 300w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/High-pressure-pumps-ensure-reliable-efficient-power-plant-operations-18x12.jpg 18w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/High-pressure-pumps-ensure-reliable-efficient-power-plant-operations-600x418.jpg 600w\" sizes=\"(max-width: 503px) 100vw, 503px\" \/><\/p>\n<h2><strong><b>Longgang Pump: \u039c\u03b9\u03b1 \u039a\u03bb\u03b7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b9\u03ac \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u0391\u03c1\u03b9\u03c3\u03c4\u03b5\u03af\u03b1\u03c2<\/b><\/strong><\/h2>\n<p>\u0399\u03b4\u03c1\u03cd\u03b8\u03b7\u03ba\u03b5 \u03c4\u03bf 2001,<strong>\u00a0<\/strong>\u03b7 Longgang Pump \u03b4\u03c1\u03b1 \u03c9\u03c2 \u03b5\u03c3\u03c4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03b8\u03bd\u03b9\u03ba\u03ae \u00ab\u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7\u00bb \u03ba\u03b1\u03b9 \u00ab\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03b9\u03bd\u03bf\u03c4\u03cc\u03bc\u03bf\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u0395\u03c0\u03b1\u03c1\u03c7\u03af\u03b1\u03c2 Shandong\u00bb. \u039c\u03b5 \u03ba\u03b5\u03c6\u03ac\u03bb\u03b1\u03b9\u03bf 76 \u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03c5\u03c1\u03af\u03c9\u03bd \u03b3\u03b9\u03bf\u03c5\u03ac\u03bd \u03ba\u03b1\u03b9 \u03c0\u03ac\u03b3\u03ba\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03b1\u03af\u03b1\u03c2 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1\u03c2, \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c1\u03cc\u03bb\u03bf \u03bc\u03b1\u03c2 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03bc\u03b7\u03b8\u03b5\u03c5\u03c4\u03ae\u03c2 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1\u03c2 \u0391 \u03b3\u03b9\u03b1 \u03bf\u03bd\u03cc\u03bc\u03b1\u03c4\u03b1 \u03cc\u03c0\u03c9\u03c2 CNPC, Sinopec \u03ba\u03b1\u03b9 CNOOC. \u03a0\u03b1\u03c1\u03cc\u03bb\u03bf \u03c0\u03bf\u03c5 \u03bf\u03b9 \u03b4\u03b5\u03be\u03b9\u03cc\u03c4\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b1\u03c2 \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03c0\u03b5\u03c4\u03c1\u03ad\u03bb\u03b1\u03b9\u03bf \u03ba\u03b1\u03b9 \u03c7\u03b7\u03bc\u03b9\u03ba\u03ac, \u03b7 \u03c3\u03c4\u03bf\u03c7\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 <strong>\u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c6\u03c5\u03b3\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2<\/strong>\u00a0\u03b3\u03b9\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c4\u03b9\u03c2 \u03bd\u03af\u03ba\u03b5\u03c2 \u03bc\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7.<\/p>\n<h2><strong><b>\u039f \u039a\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03c2 \u03a1\u03cc\u03bb\u03bf\u03c2 \u03c4\u03c9\u03bd \u03a6\u03c5\u03b3\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u0391\u03bd\u03c4\u03bb\u03b9\u03ce\u03bd \u03a0\u03bf\u03bb\u03c5\u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03c9\u03bd \u03a4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u0394\u03bf\u03bc\u03ae\u03c2 \u03a5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03a0\u03af\u03b5\u03c3\u03b7\u03c2<\/b><\/strong><\/h2>\n<p>\u039c\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03c4\u03b1\u03b8\u03bc\u03cc, \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03bd\u03b5\u03c1\u03bf\u03cd \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b6\u03b5\u03c3\u03c4\u03bf\u03cd, \u03b1\u03c6\u03c5\u03b3\u03c1\u03b1\u03bd\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b1\u03c6\u03c5\u03b3\u03c1\u03b1\u03bd\u03c4\u03ae\u03c1\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b4\u03b5\u03be\u03b1\u03bc\u03b5\u03bd\u03ae \u03c4\u03bf\u03c5 \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7. \u0393\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc, \u03bc\u03b9\u03b1 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03b1\u03bd\u03cd\u03c8\u03c9\u03c3\u03b7\u03c2 \u03b5\u03bd\u03ce \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c5\u03c0\u03cc \u03b9\u03c3\u03c7\u03c5\u03c1\u03ad\u03c2 \u03c0\u03b9\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5. \u0397 <a href=\"https:\/\/www.longgangpump.com\/el\/product\/ldd-bb4-high-pressure-segmented-multistage-centrifugal-pump\/\"><strong><u>\u03c3\u03b5\u03b9\u03c1\u03ac LDD (BB4)<\/u><\/strong><u>\u00a0<\/u><\/a>\u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Longgang Pump \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1\u03c2 \u03bd\u03b5\u03c1\u03bf\u03cd \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2.<\/p>\n<h3><strong><b>\u0393\u03b9\u03b1\u03c4\u03af \u03bf \u03a3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03a4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u0394\u03bf\u03bc\u03ae\u03c2 BB4;<\/b><\/strong><\/h3>\n<p>\u0397 \u03b4\u03b9\u03ac\u03c4\u03b1\u03be\u03b7 BB4 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03bb\u03b5\u03c5\u03c1\u03b9\u03ba\u03ae, \u03bc\u03bf\u03bd\u03bf\u03ba\u03b5\u03bb\u03cd\u03c6\u03bf\u03c5\u03c2, \u03b4\u03b1\u03ba\u03c4\u03c5\u03bb\u03b9\u03bf\u03b5\u03b9\u03b4\u03ae\u03c2 \u03c0\u03bf\u03bb\u03c5\u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1. \u03a3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 (BB3), \u03c4\u03bf \u03b4\u03b1\u03ba\u03c4\u03c5\u03bb\u03b9\u03bf\u03b5\u03b9\u03b4\u03ad\u03c2 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 (\u03ad\u03c9\u03c2 30 MPa) \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c4\u03b7\u03bd \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03c3\u03c4\u03bf\u03bb\u03ae. \u039b\u03cc\u03b3\u03c9 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03bf\u03c6\u03b5\u03bb\u03ce\u03bd, \u03b7 \u03ba\u03b9\u03bd\u03b5\u03b6\u03b9\u03ba\u03ae \u03c4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 BB4 \u03be\u03b5\u03c7\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c9\u03c2 \u03b7 \u03ba\u03bf\u03c1\u03c5\u03c6\u03b1\u03af\u03b1 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03bc\u03b9\u03ba\u03c4\u03bf\u03cd \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2, \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03c5\u03c3\u03af\u03bc\u03c9\u03bd \u03b2\u03ac\u03c3\u03b5\u03b9 \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b7\u03bb\u03b9\u03b1\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c3\u03b5 \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03b1.<\/p>\n<h3><strong><b>\u03a5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03ae \u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bc\u03ad\u03c3\u03c9 \u03a0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03a0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03af\u03c9\u03c3\u03b7\u03c2<\/b><\/strong><\/h3>\n<p>\u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 API 685 BB4 \u03bc\u03b1\u03c2 \u03bc\u03b5 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc PUMPCAD \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03af\u03c9\u03c3\u03b7 \u03c1\u03bf\u03ae\u03c2 \u03c1\u03b5\u03c5\u03c3\u03c4\u03ce\u03bd 3D CFD. \u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03c0\u03c1\u03bf\u03c3\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03c4\u03bf \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c1\u03bf\u03ae\u03c2 \u03bd\u03b5\u03c1\u03bf\u03cd. \u03a9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1, \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03bd\u03b5\u03c1\u03bf\u03cd \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter  wp-image-3984\" src=\"https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use.jpg\" alt=\"\u039f\u03b9 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 BB4 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2\" width=\"491\" height=\"491\" srcset=\"https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use.jpg 768w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use-300x300.jpg 300w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use-150x150.jpg 150w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use-12x12.jpg 12w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use-600x600.jpg 600w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Efficient-BB4-pumps-optimize-performance-and-energy-use-100x100.jpg 100w\" sizes=\"(max-width: 491px) 100vw, 491px\" \/><\/p>\n<h2><strong><b>\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ac \u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03a3\u03b5\u03b9\u03c1\u03ac\u03c2 LDD(BB4)<\/b><\/strong><\/h2>\n<p>\u0395\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd Longgang Pump \u03c9\u03c2 \u03c0\u03b7\u03b3\u03ae \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c6\u03c5\u03b3\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2, \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac\u03c4\u03b5 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b4\u03b9\u03ba\u03ae \u03bc\u03b1\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03b5\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03c4\u03b1 \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03bc\u03c0\u03b9\u03c3\u03c4\u03bf\u03c3\u03cd\u03bd\u03b7\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c3\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03bf\u03cd\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2.<\/p>\n<h3><strong><b>1. \u03a5\u03c0\u03b5\u03c1\u03bf\u03c7\u03ae \u03c3\u03c4\u03b7\u03bd \u0395\u03be\u03b9\u03c3\u03bf\u03c1\u03c1\u03cc\u03c0\u03b7\u03c3\u03b7 \u0391\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u0394\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2<\/b><\/strong><\/h3>\n<p>\u0388\u03bd\u03b1\u03c2 \u03ba\u03cd\u03c1\u03b9\u03bf\u03c2 \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1\u03c2 \u03b1\u03bd\u03c4\u03bb\u03b9\u03ce\u03bd \u03c3\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c5\u03c0\u03bf\u03bb\u03b5\u03b9\u03c0\u03cc\u03bc\u03b5\u03bd\u03b1 \u03ce\u03b8\u03b7\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ac\u03be\u03bf\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c0\u03bf\u03bb\u03c5\u03b2\u03b1\u03b8\u03bc\u03af\u03b4\u03b5\u03c2 \u03c4\u03c1\u03bf\u03c7\u03bf\u03cd\u03c2. \u0397 \u03c3\u03b5\u03b9\u03c1\u03ac LDD \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03ad\u03bd\u03b1\u03bd \u03ad\u03be\u03c5\u03c0\u03bd\u03bf \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03cc \u03b5\u03be\u03b9\u03c3\u03bf\u03c1\u03c1\u03cc\u03c0\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03c5\u03bc\u03c0\u03ac\u03bd\u03bf\u03c5-\u03b4\u03af\u03c3\u03ba\u03bf\u03c5-\u03c4\u03c5\u03bc\u03c0\u03ac\u03bd\u03bf\u03c5. \u039a\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2, \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b4\u03b9\u03ac\u03c4\u03b1\u03be\u03b7 \u03b1\u03bd\u03b1\u03b9\u03c1\u03b5\u03af \u03c0\u03bb\u03ae\u03c1\u03c9\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03ce\u03b8\u03b7\u03c3\u03b5\u03b9\u03c2. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03bf\u03b9 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03be\u03b5\u03b9\u03c2 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd \u03ba\u03b1\u03c4\u03b1\u03c0\u03cc\u03bd\u03b7\u03c3\u03b7. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5\u03b3\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03bd \u03c7\u03c1\u03cc\u03bd\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03b9\u03be\u03b5\u03c9\u03bd.<\/p>\n<h3><strong><b>2. \u0392\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u039a\u03bf\u03b9\u03bb\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/b><\/strong><\/h3>\n<p>\u03a4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1\u03c2 \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b2\u03c1\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03bf\u03c5 \u03b1\u03c4\u03bc\u03bf\u03cd \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b7 \u03b6\u03b7\u03bc\u03b9\u03ac \u03b1\u03c0\u03cc \u03c6\u03c5\u03c3\u03b1\u03bb\u03af\u03b4\u03b5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf\u03c2. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc, \u03b7 Longgang Pump \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2, \u03bf \u03c4\u03c1\u03bf\u03c7\u03cc\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03ac\u03c1\u03b5\u03b9 \u03bc\u03bf\u03c1\u03c6\u03ae \u03b4\u03b9\u03c0\u03bb\u03ae\u03c2 \u03ad\u03bb\u03be\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03b1\u03bd\u03c4\u03bb\u03b9\u03ce\u03bd. \u0388 \u03c4\u03ad\u03c4\u03bf\u03b9\u03bf\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 sharply \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 Net Positive Suction Head (NPSH). \u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03b4\u03cd\u03bd\u03b1\u03bc\u03b5\u03c2 \u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5, \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b6\u03b7\u03bc\u03b9\u03ac \u03b1\u03c0\u03cc \u03c6\u03c5\u03c3\u03b1\u03bb\u03af\u03b4\u03b5\u03c2.<\/p>\n<h3><strong><b>3. \u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u0395\u03b4\u03c1\u03ac\u03bd\u03c9\u03bd \u03a5\u03c8\u03b7\u03bb\u03ae\u03c2 \u0391\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2<\/b><\/strong><\/h3>\n<p>\u039f\u03b9 \u03b4\u03b9\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03ae\u03c2 \u03bc\u03b1\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf. \u0392\u03ac\u03c3\u03b5\u03b9 \u03c4\u03b7\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n<ul>\n<li><strong>\u03a3\u03b5\u03b9\u03c1\u03ac ZH:<\/strong>\u03a1\u03b1\u03b4\u03b9\u03bf\u03b5\u03b9\u03b4\u03ae \u03ad\u03b4\u03c1\u03b1\u03bd\u03b1 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b4\u03cd\u03bf \u03ac\u03ba\u03c1\u03b1 \u03bc\u03b5 \u03ad\u03b4\u03c1\u03b1\u03bd\u03bf \u03ce\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2.<\/li>\n<li><strong>\u03a3\u03b5\u03b9\u03c1\u03ac ZQ:<\/strong>\u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03be\u03b1\u03bd\u03b1\u03b3\u03ba\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03bb\u03af\u03c0\u03b1\u03bd\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ad\u03b4\u03c1\u03b1\u03bd\u03b1 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b5\u03c3\u03c3\u03ac\u03c1\u03c9\u03bd \u03c3\u03c6\u03b7\u03bd\u03bf\u03b5\u03b9\u03b4\u03ce\u03bd \u03b4\u03bf\u03bc\u03ce\u03bd \u03ba\u03b1\u03b9 \u03ad\u03b4\u03c1\u03b1\u03bd\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ce\u03bd \u03ba\u03bb\u03af\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b4\u03b9\u03c0\u03bb\u03ae \u03ad\u03bd\u03b5\u03c3\u03b7 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd, \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b1 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c1\u03b1\u03b4\u03b1\u03c3\u03bc\u03ce\u03bd.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter  wp-image-3986\" src=\"https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Flexible-BB4-pump-design-prevents-bubble-damage-ensures-reliability.jpg\" alt=\"\u0397 \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03bf\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 BB4 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03c6\u03b8\u03bf\u03c1\u03ac \u03b1\u03c0\u03cc \u03c6\u03c5\u03c3\u03b1\u03bb\u03af\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\" width=\"607\" height=\"442\" srcset=\"https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Flexible-BB4-pump-design-prevents-bubble-damage-ensures-reliability.jpg 768w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Flexible-BB4-pump-design-prevents-bubble-damage-ensures-reliability-300x218.jpg 300w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Flexible-BB4-pump-design-prevents-bubble-damage-ensures-reliability-16x12.jpg 16w, https:\/\/www.longgangpump.com\/wp-content\/uploads\/2026\/06\/Flexible-BB4-pump-design-prevents-bubble-damage-ensures-reliability-600x437.jpg 600w\" sizes=\"(max-width: 607px) 100vw, 607px\" \/><\/p>\n<h2><strong><b>\u0395\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u0395\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03c4\u03b7\u03c2 \u039c\u03ac\u03c1\u03ba\u03b1\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03a0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03a0\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2<\/b><\/strong><\/h2>\n<p>\u03a3\u03c4\u03b7 Longgang Pump, \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03b9\u03ce\u03bd \u03b8\u03ad\u03bb\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03c0\u03b7\u03b3\u03ae \u03c3\u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9. \u039f\u03b9 \u03b4\u03b5\u03be\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03bc\u03b1\u03c2 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 API Q1 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 ISO 9001:2008. \u039a\u03ac\u03b8\u03b5 \u03ba\u03b9\u03bd\u03b5\u03b6\u03b9\u03ba\u03ae \u03c4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 BB4 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03bf\u03cd\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c0\u03ac\u03b3\u03ba\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd 4000 kW. \u03a4\u03bf \u03ba\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c6\u03c4\u03ac\u03bd\u03b5\u03b9 \u03c3\u03b5 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03ba\u03bf\u03c1\u03c5\u03c6\u03b1\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c0\u03c1\u03b9\u03bd \u03c6\u03cd\u03b3\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03b5\u03bb\u03ac\u03c4\u03b7.<\/p>\n<p>\u03a0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 12\/18 \u03bc\u03b7\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7 \u03cc\u03bb\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b6\u03c9\u03ae\u03c2, \u03bc\u03b5 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 24 \u03ce\u03c1\u03b5\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b4\u03ad\u03c3\u03bc\u03b5\u03c5\u03c3\u03b7 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c4\u03bf\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03b1\u03c2 \u03c3\u03c4\u03b1\u03b8\u03bc\u03cc \u03bd\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bf\u03bc\u03b1\u03bb\u03ac. \u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c6\u03c5\u03b3\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc \u03ba\u03ad\u03c1\u03b4\u03bf\u03c2, \u03cc\u03c7\u03b9 \u03c3\u03b5 \u03b2\u03ac\u03c1\u03bf\u03c2.<\/p>\n<h2><strong><b>\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/b><\/strong><\/h2>\n<p>\u0397 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03bd\u03b5\u03c1\u03bf\u03cd \u03bb\u03b5\u03b2\u03ae\u03c4\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03c4\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03bb\u03b9\u03ce\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2. \u038c\u03c4\u03b1\u03bd \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03c5\u03bd\u03c4\u03ad\u03c2 \u03bc\u03b1\u03c1\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac LDD (BB4) \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Longgang Pump, \u03b5\u03c0\u03b5\u03bd\u03b4\u03cd\u03bf\u03c5\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03b5\u03b9 \u03ad\u03be\u03c5\u03c0\u03bd\u03b7 \u03c1\u03bf\u03ae \u03bd\u03b5\u03c1\u03bf\u03cd \u03b2\u03ac\u03c3\u03b5\u03b9 CFD \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b2\u03b1\u03c1\u03ae, \u03b1\u03c5\u03c4\u03bf\u03b5\u03be\u03b9\u03c3\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7. \u0395\u03ac\u03bd \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03ac\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 API 685 BB4 \u03ae \u03bc\u03b9\u03b1 \u03c3\u03c4\u03bf\u03c7\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03ba\u03b9\u03bd\u03b5\u03b6\u03b9\u03ba\u03ae \u03c4\u03bc\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 BB4, \u03b7 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03c4\u03bf\u03b9\u03bc\u03b7 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b4\u03ce\u03c3\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b7, \u03c3\u03c4\u03b9\u03b2\u03b1\u03c1\u03ae \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03b1\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2.<\/p>\n<p><a href=\"https:\/\/www.longgangpump.com\/el\/contact-us\/\"><strong><u>\u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 <\/u><\/strong><strong><u><b>Longgang Pump<\/b><\/u><\/strong><strong><u>\u00a0\u03c3\u03ae\u03bc\u03b5\u03c1\u03b1<\/u><\/strong><\/a><strong>\u00a0<\/strong>\u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03ad\u03c1\u03b3\u03bf \u03c3\u03c4\u03b1\u03b8\u03bc\u03bf\u03cd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c6\u03c5\u03b3\u03bf\u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2.<\/p>\n<h2><strong><b>\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u0395\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 (FAQ)<\/b><\/strong><\/h2>\n<h3><strong><b>\u0395: \u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac LDD(BB4);<\/b><\/strong><\/h3>\n<p>\u0391: \u0397 \u03c3\u03b5\u03b9\u03c1\u03ac LDD(BB4) \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c0\u03b9\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ad\u03c9\u03c2 30 MPa \u03ba\u03b1\u03b9 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc -80\u2103 \u03ad\u03c9\u03c2 +210\u2103.<\/p>\n<h3><strong><b>\u0395: \u03a0\u03ce\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03b7 Longgang Pump \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c4\u03c9\u03bd \u03b5\u03b4\u03c1\u03ac\u03bd\u03c9\u03bd \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 BB4;<\/b><\/strong><\/h3>\n<p>\u0391: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03cc \u03b5\u03be\u03b9\u03c3\u03bf\u03c1\u03c1\u03cc\u03c0\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03c5\u03bc\u03c0\u03ac\u03bd\u03bf\u03c5-\u03b4\u03af\u03c3\u03ba\u03bf\u03c5-\u03c4\u03c5\u03bc\u03c0\u03ac\u03bd\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b9\u03c1\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2, \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03ad\u03b4\u03c1\u03b1\u03bd\u03b1 \u03b4\u03b5\u03bd \u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2, \u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03b3\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7 \u03b6\u03c9\u03ae \u03c4\u03bf\u03c5\u03c2.<\/p>\n<h3><strong><b>\u0395: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bf \u03c4\u03c1\u03bf\u03c7\u03cc\u03c2 \u03c0\u03c1\u03ce\u03c4\u03bf\u03c5 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd \u03bd\u03b1 \u03b5\u03be\u03b1\u03c4\u03bf\u03bc\u03b9\u03ba\u03b5\u03c5\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03b1\u03c1\u03c1\u03cc\u03c6\u03b7\u03c3\u03b7;<\/b><\/strong><\/h3>\n<p>\u0391: \u039d\u03b1\u03b9, \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c7\u03b1\u03bc\u03b7\u03bb\u03bf\u03cd NPSH, \u03bf \u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03b1\u03c2 \u03c0\u03c1\u03ce\u03c4\u03bf\u03c5 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c9\u03c2 \u03b4\u03bf\u03bc\u03ae \u03b4\u03b9\u03c0\u03bb\u03ae\u03c2 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 NPSH.<\/p>\n<h3><strong><b>\u0395: \u0397 Longgang Pump \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03c0\u03ce\u03bb\u03b7\u03c3\u03b7;<\/b><\/strong><\/h3>\n<p>\u0391: \u039d\u03b1\u03b9, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b5\u03b3\u03b3\u03cd\u03b7\u03c3\u03b7 12\/18 \u03bc\u03b7\u03bd\u03ce\u03bd, \u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b5\u03bd\u03c4\u03cc\u03c2 24 \u03c9\u03c1\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ac \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03af \u03c4\u03cc\u03c0\u03bf\u03c5 \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>In the detailed setup of a power plant, the boiler feed water setup acts as the key &#8220;blood flow system.&#8221; It makes sure water arrives at the boiler with the exact pressure and heat needed for steam production.Many plant managers and engineering teams miss the vital need to pick the proper centrifugal pump supply\u00a0for this [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3987,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/posts\/3981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/comments?post=3981"}],"version-history":[{"count":1,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/posts\/3981\/revisions"}],"predecessor-version":[{"id":3988,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/posts\/3981\/revisions\/3988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/media\/3987"}],"wp:attachment":[{"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/media?parent=3981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/categories?post=3981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.longgangpump.com\/el\/wp-json\/wp\/v2\/tags?post=3981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}