{"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\/th\/control-valve-cv-calculation-actuator-sizing\/","title":{"rendered":"\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e41\u0e2d\u0e04\u0e0a\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e02\u0e19\u0e32\u0e14\u0e27\u0e32\u0e25\u0e4c\u0e27: \u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e17\u0e32\u0e07\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e23\u0e21"},"content":{"rendered":"<div style=\"font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif; line-height: 1.7; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px;\">\n<div style=\"background: linear-gradient(135deg,#1e3a5f 0%,#2d5a87 100%); color: #fff; padding: 40px 30px; border-radius: 8px; margin-bottom: 30px;\">\n<h2 style=\"color: #fff; margin: 0 0 15px 0; font-size: 32px; font-weight: 600;\">\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e02\u0e19\u0e32\u0e14\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e43\u0e0a\u0e49\u0e41\u0e2d\u0e04\u0e0a\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c: \u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e17\u0e32\u0e07\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e23\u0e21\u0e09\u0e1a\u0e31\u0e1a\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c<\/h2>\n<p style=\"color: #e0e8f0; margin: 0; font-size: 16px;\">\u0e40\u0e23\u0e35\u0e22\u0e19\u0e23\u0e39\u0e49\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32\u0e2a\u0e31\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c\u0e04\u0e27\u0e32\u0e21\u0e41\u0e1b\u0e23\u0e1b\u0e23\u0e27\u0e19 (CV) \u0e01\u0e32\u0e23\u0e27\u0e34\u0e40\u0e04\u0e23\u0e32\u0e30\u0e2b\u0e4c\u0e41\u0e23\u0e07\u0e02\u0e31\u0e1a \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e02\u0e19\u0e32\u0e14\u0e41\u0e2d\u0e04\u0e17\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23 \u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e2a\u0e39\u0e15\u0e23\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04 \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19 \u0e41\u0e25\u0e30\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e17\u0e35\u0e48\u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1e\u0e34\u0e2a\u0e39\u0e08\u0e19\u0e4c\u0e41\u0e25\u0e49\u0e27\u0e43\u0e19\u0e20\u0e32\u0e04\u0e2a\u0e19\u0e32\u0e21.<\/p>\n<\/div>\n<div style=\"background: #f8fafc; border-left: 4px solid #2d5a87; padding: 20px; margin-bottom: 30px; border-radius: 0 8px 8px 0;\">\n<p style=\"margin: 0; color: #475569; font-size: 14px;\"><strong>\u0e01\u0e32\u0e23\u0e19\u0e33\u0e17\u0e32\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e23\u0e27\u0e14\u0e40\u0e23\u0e47\u0e27:<\/strong> <a style=\"color: #2d5a87; text-decoration: none;\" href=\"#cv-basics\">\u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e02\u0e35\u0e22\u0e19\u0e40\u0e23\u0e0b\u0e39\u0e40\u0e21\u0e48<\/a> | <a style=\"color: #2d5a87; text-decoration: none;\" href=\"#liquid-cv\">\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27 Cv<\/a> | <a style=\"color: #2d5a87; text-decoration: none;\" href=\"#gas-cv\">\u0e41\u0e01\u0e4a\u0e2a \u0e0b\u0e35\u0e27\u0e35<\/a> | <a style=\"color: #2d5a87; text-decoration: none;\" href=\"#steam-cv\">\u0e2a\u0e15\u0e35\u0e21 \u0e0b\u0e35\u0e27\u0e35<\/a> | <a style=\"color: #2d5a87; text-decoration: none;\" href=\"#actuator-thrust\">\u0e41\u0e23\u0e07\u0e02\u0e31\u0e1a\u0e02\u0e2d\u0e07\u0e41\u0e2d\u0e04\u0e17\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/a> | <a style=\"color: #2d5a87; text-decoration: none;\" href=\"#selection\">\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01<\/a><\/p>\n<\/div>\n<h3 id=\"cv-basics\" style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">1. \u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e04\u0e48\u0e32\u0e2a\u0e31\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25 (Cv) \u0e02\u0e2d\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21<\/h3>\n<p>\u0e40\u0e14\u0e2d\u0e30 <strong>\u0e2a\u0e31\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25 Cv<\/strong> \u0e40\u0e1b\u0e47\u0e19\u0e01\u0e32\u0e23\u0e27\u0e31\u0e14\u0e1b\u0e23\u0e34\u0e21\u0e32\u0e13\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e2a\u0e48\u0e07\u0e1c\u0e48\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27\u0e02\u0e2d\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21 \u0e42\u0e14\u0e22\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e44\u0e27\u0e49\u0e17\u0e35\u0e48\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19: \u0e19\u0e49\u0e33\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34 60\u00b0F \u0e04\u0e27\u0e32\u0e21\u0e14\u0e31\u0e19\u0e25\u0e14\u0e25\u0e07 1 psi \u0e27\u0e31\u0e14\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e40\u0e1b\u0e47\u0e19\u0e41\u0e01\u0e25\u0e25\u0e2d\u0e19\u0e2a\u0e2b\u0e23\u0e31\u0e10\u0e15\u0e48\u0e2d\u0e19\u0e32\u0e17\u0e35 \u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e17\u0e35\u0e48\u0e17\u0e33\u0e07\u0e32\u0e19\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e1a <a style=\"color: #2d5a87; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/th\/brands\/fisher\/\">\u0e1f\u0e34\u0e0a\u0e40\u0e0a\u0e2d\u0e23\u0e4c<\/a> \u0e41\u0e25\u0e30\u0e41\u0e1a\u0e23\u0e19\u0e14\u0e4c\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e2d\u0e37\u0e48\u0e19\u0e46 \u0e2d\u0e32\u0e28\u0e31\u0e22\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e17\u0e35\u0e48\u0e41\u0e21\u0e48\u0e19\u0e22\u0e33\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e02\u0e19\u0e32\u0e14\u0e17\u0e35\u0e48\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21.<\/p>\n<div style=\"background: #e7f3ff; border-left: 5px solid #0066cc; padding: 20px; margin: 25px 0; border-radius: 0 5px 5px 0;\">\n<p style=\"margin: 0; color: #1e3a5f; font-size: 15px;\"><strong>\u0e04\u0e33\u0e08\u0e33\u0e01\u0e31\u0e14\u0e04\u0e27\u0e32\u0e21\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19:<\/strong> Cv = Q \u00d7 \u221a(SG\/\u0394P)<\/p>\n<p style=\"margin: 8px 0 0 0; color: #475569; font-size: 14px;\">\u0e42\u0e14\u0e22\u0e17\u0e35\u0e48 Q = \u0e2d\u0e31\u0e15\u0e23\u0e32\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25 (\u0e41\u0e01\u0e25\u0e25\u0e2d\u0e19\u0e2a\u0e2b\u0e23\u0e31\u0e10\/\u0e19\u0e32\u0e17\u0e35), SG = \u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e41\u0e19\u0e48\u0e19\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e17\u0e18\u0e4c (\u0e19\u0e49\u0e33 = 1.0), \u0394P = \u0e04\u0e27\u0e32\u0e21\u0e14\u0e31\u0e19\u0e25\u0e14\u0e25\u0e07 (psi)<\/p>\n<\/div>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">1.1 \u0e01\u0e32\u0e23\u0e41\u0e1b\u0e25\u0e07\u0e04\u0e48\u0e32 Cv \u0e40\u0e1b\u0e47\u0e19 Kv<\/h4>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n<thead>\n<tr style=\"background: linear-gradient(135deg,#1e3a5f 0%,#2d5a87 100%); color: #fff;\">\n<th style=\"padding: 14px 12px; text-align: left; font-weight: 600;\">\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19<\/th>\n<th style=\"padding: 14px 12px; text-align: left; font-weight: 600;\">\u0e40\u0e07\u0e37\u0e48\u0e2d\u0e19\u0e44\u0e02<\/th>\n<th style=\"padding: 14px 12px; text-align: left; font-weight: 600;\">\u0e2b\u0e19\u0e48\u0e27\u0e22<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e1b\u0e23\u0e30\u0e27\u0e31\u0e15\u0e34\u0e22\u0e48\u0e2d (\u0e2a\u0e2b\u0e23\u0e31\u0e10\u0e2d\u0e40\u0e21\u0e23\u0e34\u0e01\u0e32)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">\u0394P = 1 psi, \u0e19\u0e49\u0e33\u0e17\u0e35\u0e48\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34 60\u00b0F<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">\u0e41\u0e01\u0e25\u0e25\u0e2d\u0e19\u0e2a\u0e2b\u0e23\u0e31\u0e10\/\u0e19\u0e32\u0e17\u0e35<\/td>\n<\/tr>\n<tr style=\"background: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e01\u0e34\u0e42\u0e25\u0e42\u0e27\u0e25\u0e15\u0e4c (\u0e40\u0e21\u0e15\u0e23\u0e34\u0e01)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">\u0394P = 1 \u0e1a\u0e32\u0e23\u0e4c, \u0e19\u0e49\u0e33\u0e17\u0e35\u0e48\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34 5-30\u00b0C<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">\u0e21\u00b3\/\u0e0a\u0e21.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin-top: 15px;\"><strong>\u0e01\u0e32\u0e23\u0e41\u0e1b\u0e25\u0e07:<\/strong> Cv = 1.156 \u00d7 Kv<\/p>\n<h3 id=\"liquid-cv\" style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">2. \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e02\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27<\/h3>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">2.1 \u0e2a\u0e39\u0e15\u0e23\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 (\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e41\u0e1a\u0e1a\u0e44\u0e21\u0e48\u0e15\u0e34\u0e14\u0e02\u0e31\u0e14)<\/h4>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 18px; font-weight: 600; text-align: center;\">Cv = Q \u00d7 \u221a(SG \/ \u0394P)<\/p>\n<\/div>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">2.2 \u0e01\u0e32\u0e23\u0e41\u0e01\u0e49\u0e44\u0e02\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e2d\u0e38\u0e14\u0e15\u0e31\u0e19<\/h4>\n<p>\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e14\u0e31\u0e19\u0e25\u0e14\u0e25\u0e07\u0e40\u0e01\u0e34\u0e19\u0e04\u0e48\u0e32\u0e27\u0e34\u0e01\u0e24\u0e15 (\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e40\u0e01\u0e34\u0e14\u0e01\u0e32\u0e23\u0e27\u0e32\u0e1a\u0e44\u0e1f\/\u0e42\u0e1e\u0e23\u0e07\u0e2d\u0e32\u0e01\u0e32\u0e28):<\/p>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">Cv = Q \u00d7 \u221a(SG \/ (F<sub>L<\/sub>\u00b2 \u00d7 (P\u2081 \u2013 F<sub>F<\/sub> \u00d7 P<sub>v<\/sub>)))<\/p>\n<\/div>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin: 20px 0;\">\n<thead>\n<tr style=\"background: linear-gradient(135deg,#1e3a5f 0%,#2d5a87 100%); color: #fff;\">\n<th style=\"padding: 12px; text-align: left;\">\u0e1e\u0e32\u0e23\u0e32\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/th>\n<th style=\"padding: 12px; text-align: left;\">\u0e04\u0e33\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22<\/th>\n<th style=\"padding: 12px; text-align: left;\">\u0e04\u0e48\u0e32\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">F<sub>L<\/sub><\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e2a\u0e31\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c\u0e01\u0e32\u0e23\u0e1f\u0e37\u0e49\u0e19\u0e15\u0e31\u0e27\u0e02\u0e2d\u0e07\u0e04\u0e27\u0e32\u0e21\u0e14\u0e31\u0e19<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">0.85-0.95 (\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e41\u0e1a\u0e1a\u0e25\u0e39\u0e01\u0e42\u0e25\u0e01)<\/td>\n<\/tr>\n<tr style=\"background: #f8fafc;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">F<sub>F<\/sub><\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e2a\u0e48\u0e27\u0e19\u0e04\u0e27\u0e32\u0e21\u0e14\u0e31\u0e19\u0e27\u0e34\u0e01\u0e24\u0e15<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">0.96-0.98<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">P<sub>v<\/sub><\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e04\u0e27\u0e32\u0e21\u0e14\u0e31\u0e19\u0e44\u0e2d\u0e02\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27 (psia)<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e02\u0e36\u0e49\u0e19\u0e2d\u0e22\u0e39\u0e48\u0e01\u0e31\u0e1a\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">2.3 \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19: \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e22\u0e38\u0e01\u0e15\u0e4c\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a\u0e19\u0e49\u0e33<\/h4>\n<div style=\"background: #f8fafc; border: 1px solid #e2e8f0; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0 0 15px 0; color: #1e3a5f; font-weight: 600;\">\u0e40\u0e07\u0e37\u0e48\u0e2d\u0e19\u0e44\u0e02\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23:<\/p>\n<ul style=\"margin: 0; padding-left: 20px; color: #475569;\">\n<li>\u0e15\u0e31\u0e27\u0e01\u0e25\u0e32\u0e07: \u0e19\u0e49\u0e33, \u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e41\u0e19\u0e48\u0e19\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e17\u0e18\u0e4c = 1.0<\/li>\n<li>\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25: 100 \u0e41\u0e01\u0e25\u0e25\u0e2d\u0e19\u0e2a\u0e2b\u0e23\u0e31\u0e10\/\u0e19\u0e32\u0e17\u0e35<\/li>\n<li>\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e02\u0e32\u0e40\u0e02\u0e49\u0e32: 100 psig<\/li>\n<li>\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e02\u0e32\u0e2d\u0e2d\u0e01: 80 psig<\/li>\n<li>\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e27\u0e32\u0e25\u0e4c\u0e27: \u0e27\u0e32\u0e25\u0e4c\u0e27\u0e25\u0e39\u0e01\u0e42\u0e25\u0e01 (Globe valve), F<sub>L<\/sub> = 0.9<\/li>\n<\/ul>\n<p style=\"margin: 20px 0 10px 0; color: #1e3a5f; font-weight: 600;\">\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13:<\/p>\n<ol style=\"margin: 0; padding-left: 20px; color: #475569; line-height: 1.8;\">\n<li>\u0394P = 100 \u2013 80 = 20 psi<\/li>\n<li>\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e17\u0e35\u0e48\u0e15\u0e34\u0e14\u0e02\u0e31\u0e14: \u0394P<sub>\u0e27\u0e34\u0e01\u0e24\u0e15<\/sub> = 0.9\u00b2 \u00d7 (114.7 \u2013 0.256) = 92.7 psi<\/li>\n<li>\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07\u0e08\u0e32\u0e01 20 psi &lt; 92.7 psi \u2192 \u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e2d\u0e38\u0e14\u0e15\u0e31\u0e19<\/li>\n<li>Cv = 100 \u00d7 \u221a(1.0 \/ 20) = 100 \u00d7 0.2236 = <strong>22.4<\/strong><\/li>\n<\/ol>\n<div style=\"background: #d4edda; border-left: 4px solid #28a745; padding: 15px; margin-top: 20px; border-radius: 0 5px 5px 0;\">\n<p style=\"margin: 0; color: #155724;\"><strong>\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01:<\/strong> \u0e40\u0e25\u0e37\u0e2d\u0e01\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e17\u0e35\u0e48\u0e21\u0e35\u0e04\u0e48\u0e32 Cv = 25-30 (\u0e04\u0e48\u0e32\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22 1.2-1.5 \u0e40\u0e17\u0e48\u0e32)<\/p>\n<\/div>\n<\/div>\n<h3 id=\"gas-cv\" style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">3. \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e02\u0e2d\u0e07\u0e01\u0e4a\u0e32\u0e0b<\/h3>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">3.1 \u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e15\u0e48\u0e33\u0e01\u0e27\u0e48\u0e32\u0e08\u0e38\u0e14\u0e27\u0e34\u0e01\u0e24\u0e15 (\u0394P\/P\u2081 &lt; 0.5)<\/h4>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">Cv = Q \/ (1360 \u00d7 \u221a(\u0394P \u00d7 P\u2082 \/ (SG \u00d7 T)))<\/p>\n<\/div>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">3.2 \u0e2d\u0e31\u0e15\u0e23\u0e32\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e27\u0e34\u0e01\u0e24\u0e15 (\u0394P\/P\u2081 \u2265 0.5)<\/h4>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">Cv = Q \/ (834 \u00d7 F<sub>k<\/sub> \u00d7 P\u2081 \/ \u221a(SG \u00d7 T))<\/p>\n<\/div>\n<p>\u0e17\u0e35\u0e48 F<sub>k<\/sub> = k\/1.4 (\u0e01\u0e32\u0e23\u0e41\u0e01\u0e49\u0e44\u0e02\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e2a\u0e48\u0e27\u0e19\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e08\u0e33\u0e40\u0e1e\u0e32\u0e30)<\/p>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">3.3 \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13: \u0e01\u0e4a\u0e32\u0e0b\u0e18\u0e23\u0e23\u0e21\u0e0a\u0e32\u0e15\u0e34<\/h4>\n<div style=\"background: #f8fafc; border: 1px solid #e2e8f0; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0 0 15px 0; color: #1e3a5f; font-weight: 600;\">\u0e40\u0e07\u0e37\u0e48\u0e2d\u0e19\u0e44\u0e02\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23:<\/p>\n<ul style=\"margin: 0; padding-left: 20px; color: #475569;\">\n<li>\u0e2a\u0e32\u0e23\u0e15\u0e31\u0e27\u0e01\u0e25\u0e32\u0e07: \u0e01\u0e4a\u0e32\u0e0b\u0e18\u0e23\u0e23\u0e21\u0e0a\u0e32\u0e15\u0e34, \u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e41\u0e19\u0e48\u0e19\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e17\u0e18\u0e4c = 0.65<\/li>\n<li>\u0e2d\u0e31\u0e15\u0e23\u0e32\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25: 5000 SCFH<\/li>\n<li>P\u2081 = 164.7 psia, P\u2082 = 114.7 psia<\/li>\n<li>\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34: 100\u00b0F (560\u00b0R)<\/li>\n<li>k = 1.3<\/li>\n<\/ul>\n<p style=\"margin: 20px 0 10px 0; color: #1e3a5f; font-weight: 600;\">\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13:<\/p>\n<ol style=\"margin: 0; padding-left: 20px; color: #475569; line-height: 1.8;\">\n<li>\u0394P = 50 psi, \u0394P\/P\u2081 = 0.304 &lt; 0.5 \u2192 \u0e15\u0e48\u0e33\u0e01\u0e27\u0e48\u0e32\u0e08\u0e38\u0e14\u0e27\u0e34\u0e01\u0e24\u0e15<\/li>\n<li>Cv = 5000 \/ (1360 \u00d7 \u221a(50 \u00d7 114.7 \/ (0.65 \u00d7 560)))<\/li>\n<li>Cv = 5000 \/ (1360 \u00d7 3.97) = <strong>0.93<\/strong><\/li>\n<\/ol>\n<\/div>\n<h3 id=\"steam-cv\" style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">4. \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e02\u0e2d\u0e07\u0e44\u0e2d\u0e19\u0e49\u0e33<\/h3>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e2d\u0e34\u0e48\u0e21\u0e15\u0e31\u0e27: Cv = W \/ (63.3 \u00d7 \u221a(\u0394P \u00d7 \u03c1))<\/p>\n<p style=\"margin: 15px 0 0 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e23\u0e49\u0e2d\u0e19\u0e22\u0e27\u0e14\u0e22\u0e34\u0e48\u0e07: Cv = W \/ (63.3 \u00d7 F<sub>\u0e0a<\/sub> \u00d7 \u221a(\u0394P \u00d7 \u03c1))<\/p>\n<\/div>\n<p>\u0e42\u0e14\u0e22\u0e17\u0e35\u0e48 W = \u0e2d\u0e31\u0e15\u0e23\u0e32\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e02\u0e2d\u0e07\u0e21\u0e27\u0e25 (\u0e1b\u0e2d\u0e19\u0e14\u0e4c\/\u0e0a\u0e31\u0e48\u0e27\u0e42\u0e21\u0e07), \u03c1 = \u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e41\u0e19\u0e48\u0e19\u0e02\u0e2d\u0e07\u0e44\u0e2d\u0e19\u0e49\u0e33 (\u0e1b\u0e2d\u0e19\u0e14\u0e4c\/\u0e25\u0e39\u0e01\u0e1a\u0e32\u0e28\u0e01\u0e4c\u0e1f\u0e38\u0e15), F<sub>\u0e0a<\/sub> = \u0e01\u0e32\u0e23\u0e41\u0e01\u0e49\u0e44\u0e02\u0e04\u0e27\u0e32\u0e21\u0e23\u0e49\u0e2d\u0e19\u0e40\u0e01\u0e34\u0e19 (1.0-1.2)<\/p>\n<h3 id=\"actuator-thrust\" style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">5. \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e41\u0e23\u0e07\u0e02\u0e31\u0e1a\u0e02\u0e2d\u0e07\u0e41\u0e2d\u0e04\u0e17\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/h3>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">5.1 \u0e41\u0e2d\u0e04\u0e0a\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e44\u0e14\u0e2d\u0e30\u0e41\u0e1f\u0e23\u0e21\u0e41\u0e1a\u0e1a\u0e43\u0e0a\u0e49\u0e25\u0e21<\/h4>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">F = P \u00d7 A<sub>e<\/sub> \u00d7 \u03b7<\/p>\n<p style=\"margin: 10px 0 0 0; color: #0369a1; font-size: 14px; text-align: center;\">\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e21\u0e35\u0e2a\u0e1b\u0e23\u0e34\u0e07: F = P \u00d7 A<sub>e<\/sub> \u2013 k \u00d7 x<\/p>\n<\/div>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">5.2 \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13: \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e41\u0e23\u0e07\u0e02\u0e31\u0e1a<\/h4>\n<div style=\"background: #f8fafc; border: 1px solid #e2e8f0; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0 0 15px 0; color: #1e3a5f; font-weight: 600;\">\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e08\u0e33\u0e40\u0e1e\u0e32\u0e30\u0e02\u0e2d\u0e07\u0e41\u0e2d\u0e04\u0e0a\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c:<\/p>\n<ul style=\"margin: 0; padding-left: 20px; color: #475569;\">\n<li>\u0e40\u0e2a\u0e49\u0e19\u0e1c\u0e48\u0e32\u0e19\u0e28\u0e39\u0e19\u0e22\u0e4c\u0e01\u0e25\u0e32\u0e07\u0e44\u0e14\u0e2d\u0e30\u0e41\u0e1f\u0e23\u0e21: 200 \u0e21\u0e21.<\/li>\n<li>\u0e2a\u0e31\u0e0d\u0e0d\u0e32\u0e13: 20-100 kPa<\/li>\n<li>\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e \u03b7: 0.85<\/li>\n<\/ul>\n<p style=\"margin: 20px 0 10px 0; color: #1e3a5f; font-weight: 600;\">\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13:<\/p>\n<ol style=\"margin: 0; padding-left: 20px; color: #475569; line-height: 1.8;\">\n<li>A<sub>e<\/sub> = \u03c0 \u00d7 (0.1)\u00b2 = 0.0314 \u0e15\u0e23.\u0e21.<\/li>\n<li>F<sub>\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14<\/sub> = 100,000 \u00d7 0.0314 = 3140 \u0e19\u0e34\u0e27\u0e15\u0e31\u0e19<\/li>\n<li>F<sub>\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15<\/sub> = 3140 \u00d7 0.85 = <strong>2670 \u0e40\u0e2b\u0e19\u0e37\u0e2d<\/strong><\/li>\n<\/ol>\n<\/div>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">5.3 \u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e02\u0e2d\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27<\/h4>\n<div style=\"background: #f0f9ff; border: 2px solid #0ea5e9; padding: 25px; margin: 20px 0; border-radius: 8px;\">\n<p style=\"margin: 0; color: #0369a1; font-size: 16px; font-weight: 600; text-align: center;\">T = K \u00d7 \u0394P \u00d7 D\u00b3<\/p>\n<\/div>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin: 20px 0;\">\n<thead>\n<tr style=\"background: linear-gradient(135deg,#1e3a5f 0%,#2d5a87 100%); color: #fff;\">\n<th style=\"padding: 12px; text-align: left;\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e0a\u0e19\u0e34\u0e14<\/th>\n<th style=\"padding: 12px; text-align: left;\">\u0e2a\u0e31\u0e21\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14 K<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e25\u0e39\u0e01\u0e1a\u0e2d\u0e25<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">0.05 \u2013 0.15<\/td>\n<\/tr>\n<tr style=\"background: #f8fafc;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e1c\u0e35\u0e40\u0e2a\u0e37\u0e49\u0e2d<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">0.10 \u2013 0.30<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e1b\u0e25\u0e31\u0e4a\u0e01<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">0.20 \u2013 0.40<\/td>\n<\/tr>\n<tr style=\"background: #f8fafc;\">\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e25\u0e39\u0e01\u0e42\u0e25\u0e01<\/td>\n<td style=\"padding: 10px; border: 1px solid #e2e8f0;\">0.30 \u2013 0.60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 id=\"selection\" style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">6. \u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e41\u0e2d\u0e04\u0e0a\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/h3>\n<div style=\"background: #fef3c7; border-left: 4px solid #f59e0b; padding: 20px; margin: 20px 0; border-radius: 0 5px 5px 0;\">\n<p style=\"margin: 0; color: #92400e; font-weight: 600;\">\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e14\u0e49\u0e32\u0e19\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22: SF = F<sub>\u0e21\u0e35\u0e2d\u0e22\u0e39\u0e48<\/sub> \/ \u0e40\u0e2d\u0e1f<sub>\u0e17\u0e35\u0e48\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19<\/sub> = 1.5 \u2013 2.0<\/p>\n<\/div>\n<h4 style=\"color: #2d5a87; font-size: 18px; margin-top: 25px; margin-bottom: 15px;\">\u0e23\u0e32\u0e22\u0e01\u0e32\u0e23\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a\u0e01\u0e32\u0e23\u0e04\u0e31\u0e14\u0e40\u0e25\u0e37\u0e2d\u0e01:<\/h4>\n<ol style=\"padding-left: 20px; color: #475569; line-height: 1.8;\">\n<li>\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e41\u0e25\u0e30\u0e02\u0e19\u0e32\u0e14\u0e02\u0e2d\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e08\u0e32\u0e01\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e02\u0e2d\u0e07\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23<\/li>\n<li>\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e01\u0e31\u0e1a\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27 \u0e01\u0e4a\u0e32\u0e0b \u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e2d\u0e19\u0e49\u0e33<\/li>\n<li>\u0e04\u0e33\u0e19\u0e27\u0e13\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\/\u0e41\u0e23\u0e07\u0e1c\u0e25\u0e31\u0e01\u0e02\u0e2d\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27 \u0e23\u0e27\u0e21\u0e16\u0e36\u0e07\u0e41\u0e23\u0e07\u0e40\u0e2a\u0e35\u0e22\u0e14\u0e17\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e0b\u0e35\u0e25<\/li>\n<li>\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e02\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19 (\u0e19\u0e34\u0e27\u0e41\u0e21\u0e15\u0e34\u0e01 \u0e44\u0e1f\u0e1f\u0e49\u0e32 \u0e44\u0e2e\u0e14\u0e23\u0e2d\u0e25\u0e34\u0e01)<\/li>\n<li>\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a\u0e27\u0e48\u0e32\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15\u0e02\u0e2d\u0e07\u0e41\u0e2d\u0e04\u0e0a\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e40\u0e01\u0e34\u0e19\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e02\u0e2d\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e42\u0e14\u0e22\u0e21\u0e35\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22\u0e14\u0e49\u0e32\u0e19\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22<\/li>\n<li>\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a\u0e27\u0e48\u0e32\u0e40\u0e27\u0e25\u0e32\u0e43\u0e19\u0e01\u0e32\u0e23\u0e15\u0e35\u0e08\u0e31\u0e07\u0e2b\u0e27\u0e30\u0e15\u0e23\u0e07\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e01\u0e32\u0e23\u0e15\u0e2d\u0e1a\u0e2a\u0e19\u0e2d\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e21\u0e48<\/li>\n<li>\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22 (fail-safe position) (fail-open, fail-closed, fail-last)<\/li>\n<\/ol>\n<h3 style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">7. \u0e41\u0e2b\u0e25\u0e48\u0e07\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e02\u0e2d\u0e07 Fisher<\/h3>\n<p>\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e19\u0e33\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e44\u0e1b\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a\u0e42\u0e04\u0e23\u0e07\u0e01\u0e32\u0e23\u0e43\u0e19\u0e42\u0e25\u0e01\u0e41\u0e2b\u0e48\u0e07\u0e04\u0e27\u0e32\u0e21\u0e40\u0e1b\u0e47\u0e19\u0e08\u0e23\u0e34\u0e07, <a style=\"color: #2d5a87; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/th\/brands\/fisher\/\">\u0e1f\u0e34\u0e0a\u0e40\u0e0a\u0e2d\u0e23\u0e4c<\/a> \u0e19\u0e33\u0e40\u0e2a\u0e19\u0e2d\u0e0b\u0e2d\u0e1f\u0e15\u0e4c\u0e41\u0e27\u0e23\u0e4c\u0e04\u0e33\u0e19\u0e27\u0e13\u0e02\u0e19\u0e32\u0e14\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e17\u0e35\u0e48\u0e04\u0e23\u0e2d\u0e1a\u0e04\u0e25\u0e38\u0e21\u0e41\u0e25\u0e30\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04 (\u0e02\u0e49\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e19\u0e09\u0e1a\u0e31\u0e1a\u0e44\u0e21\u0e48\u0e0a\u0e31\u0e14\u0e40\u0e08\u0e19) <strong>\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21<\/strong> \u0e22\u0e31\u0e07\u0e04\u0e07\u0e40\u0e1b\u0e47\u0e19\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e2d\u0e49\u0e32\u0e07\u0e2d\u0e34\u0e07\u0e43\u0e19\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e01\u0e32\u0e23\u0e27\u0e34\u0e40\u0e04\u0e23\u0e32\u0e30\u0e2b\u0e4c\u0e01\u0e32\u0e23\u0e44\u0e2b\u0e25\u0e2d\u0e38\u0e14\u0e15\u0e31\u0e19 \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e17\u0e33\u0e19\u0e32\u0e22\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e23\u0e1a\u0e01\u0e27\u0e19.<\/p>\n<p>\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e2a\u0e39\u0e07, <a style=\"color: #2d5a87; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/th\/brands\/fisher\/\">\u0e1f\u0e34\u0e0a\u0e40\u0e0a\u0e2d\u0e23\u0e4c<\/a> <strong>\u0e04\u0e32\u0e27\u0e34\u0e15\u0e23\u0e2d\u0e25<\/strong> \u0e41\u0e25\u0e30 <strong>\u0e01\u0e23\u0e30\u0e0b\u0e34\u0e1a<\/strong> \u0e40\u0e17\u0e04\u0e42\u0e19\u0e42\u0e25\u0e22\u0e35\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e15\u0e48\u0e07\u0e0a\u0e48\u0e27\u0e22\u0e41\u0e01\u0e49\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e15\u0e01\u0e2a\u0e39\u0e07\u0e41\u0e25\u0e30\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e23\u0e1a\u0e01\u0e27\u0e19\u0e44\u0e14\u0e49\u0e21\u0e32\u0e01\u0e01\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19 \u0e01\u0e32\u0e23\u0e08\u0e31\u0e1a\u0e04\u0e39\u0e48\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e15\u0e48\u0e07\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e17\u0e32\u0e07\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e02\u0e19\u0e32\u0e14\u0e17\u0e35\u0e48\u0e41\u0e21\u0e48\u0e19\u0e22\u0e33\u0e0a\u0e48\u0e27\u0e22\u0e43\u0e2b\u0e49\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08\u0e44\u0e14\u0e49\u0e16\u0e36\u0e07\u0e04\u0e27\u0e32\u0e21\u0e19\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e43\u0e19\u0e23\u0e30\u0e22\u0e30\u0e22\u0e32\u0e27\u0e20\u0e32\u0e22\u0e43\u0e15\u0e49\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e35\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e2a\u0e39\u0e07.<\/p>\n<h3 style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">8. \u0e2a\u0e39\u0e15\u0e23\u0e2d\u0e49\u0e32\u0e07\u0e2d\u0e34\u0e07\u0e09\u0e1a\u0e31\u0e1a\u0e22\u0e48\u0e2d<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 14px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n<thead>\n<tr style=\"background: linear-gradient(135deg,#1e3a5f 0%,#2d5a87 100%); color: #fff;\">\n<th style=\"padding: 14px 12px; text-align: left; font-weight: 600;\">\u0e41\u0e2d\u0e1b\u0e1e\u0e25\u0e34\u0e40\u0e04\u0e0a\u0e31\u0e19<\/th>\n<th style=\"padding: 14px 12px; text-align: left; font-weight: 600;\">\u0e2a\u0e39\u0e15\u0e23<\/th>\n<th style=\"padding: 14px 12px; text-align: left; font-weight: 600;\">\u0e2b\u0e19\u0e48\u0e27\u0e22<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e02\u0e2d\u0e07\u0e40\u0e2b\u0e25\u0e27 (\u0e44\u0e21\u0e48\u0e2d\u0e38\u0e14\u0e15\u0e31\u0e19)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">Cv = Q \u00d7 \u221a(SG\/\u0394P)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">Q: \u0e41\u0e01\u0e25\u0e25\u0e2d\u0e19\u0e2a\u0e2b\u0e23\u0e31\u0e10\u0e15\u0e48\u0e2d\u0e19\u0e32\u0e17\u0e35, \u0394P: \u0e1b\u0e2d\u0e19\u0e14\u0e4c\u0e15\u0e48\u0e2d\u0e15\u0e32\u0e23\u0e32\u0e07\u0e19\u0e34\u0e49\u0e27<\/td>\n<\/tr>\n<tr style=\"background: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e01\u0e4a\u0e32\u0e0b (\u0e15\u0e48\u0e33\u0e01\u0e27\u0e48\u0e32\u0e08\u0e38\u0e14\u0e27\u0e34\u0e01\u0e24\u0e15)<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">Cv = Q\/(1360\u00d7\u221a(\u0394P\u00d7P\u2082\/(SG\u00d7T)))<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">Q: SCFH, T: \u00b0R<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e44\u0e2d\u0e19\u0e49\u0e33\u0e2d\u0e34\u0e48\u0e21\u0e15\u0e31\u0e27<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">Cv = W\/(63.3\u00d7\u221a(\u0394P\u00d7\u03c1))<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">W: \u0e1b\u0e2d\u0e19\u0e14\u0e4c\/\u0e0a\u0e31\u0e48\u0e27\u0e42\u0e21\u0e07, \u03c1: \u0e1b\u0e2d\u0e19\u0e14\u0e4c\/\u0e25\u0e39\u0e01\u0e1a\u0e32\u0e28\u0e01\u0e4c\u0e1f\u0e38\u0e15<\/td>\n<\/tr>\n<tr style=\"background: #f8fafc;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e41\u0e23\u0e07\u0e02\u0e31\u0e1a\u0e02\u0e2d\u0e07\u0e41\u0e2d\u0e04\u0e17\u0e39\u0e40\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">F = P \u00d7 A<sub>e<\/sub> \u00d7 \u03b7<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">P: Pa, A: m\u00b2<\/td>\n<\/tr>\n<tr style=\"background: #fff;\">\n<td style=\"padding: 12px; border: 1px solid #e2e8f0; font-weight: 600;\">\u0e41\u0e23\u0e07\u0e1a\u0e34\u0e14\u0e27\u0e32\u0e25\u0e4c\u0e27<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">T = K \u00d7 \u0394P \u00d7 D\u00b3<\/td>\n<td style=\"padding: 12px; border: 1px solid #e2e8f0;\">D: m, \u0394P: Pa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"background: #e7f3ff; border-left: 5px solid #0066cc; padding: 20px; margin: 30px 0; border-radius: 0 5px 5px 0;\">\n<p style=\"margin: 0; color: #1e3a5f; font-weight: 600;\">\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e04\u0e27\u0e32\u0e21\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e02\u0e19\u0e32\u0e14\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e43\u0e0a\u0e48\u0e44\u0e2b\u0e21?<\/p>\n<p style=\"margin: 10px 0 0 0; color: #475569;\">YUNRUI \u0e08\u0e33\u0e2b\u0e19\u0e48\u0e32\u0e22\u0e2a\u0e34\u0e19\u0e04\u0e49\u0e32\u0e02\u0e2d\u0e07\u0e41\u0e17\u0e49 <a style=\"color: #2d5a87; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/th\/brands\/fisher\/control-valves\/\">\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e1f\u0e34\u0e0a\u0e40\u0e0a\u0e2d\u0e23\u0e4c<\/a>, \u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07 \u0e41\u0e25\u0e30\u0e15\u0e31\u0e27\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e1c\u0e25\u0e34\u0e15\u0e17\u0e31\u0e48\u0e27\u0e42\u0e25\u0e01 \u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e1c\u0e39\u0e49\u0e40\u0e0a\u0e35\u0e48\u0e22\u0e27\u0e0a\u0e32\u0e0d\u0e14\u0e49\u0e32\u0e19\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e40\u0e23\u0e32\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e0a\u0e48\u0e27\u0e22\u0e40\u0e2b\u0e25\u0e37\u0e2d\u0e43\u0e19\u0e01\u0e32\u0e23\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e27\u0e32\u0e25\u0e4c\u0e27 \u0e01\u0e32\u0e23\u0e04\u0e33\u0e19\u0e27\u0e13\u0e04\u0e48\u0e32 Cv \u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e02\u0e19\u0e32\u0e14\u0e15\u0e31\u0e27\u0e02\u0e31\u0e1a\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e43\u0e2b\u0e49\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e21\u0e01\u0e31\u0e1a\u0e2a\u0e20\u0e32\u0e27\u0e30\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e02\u0e2d\u0e07\u0e04\u0e38\u0e13\u0e44\u0e14\u0e49.<\/p>\n<p style=\"margin: 15px 0 0 0; color: #475569;\">\u0e15\u0e34\u0e14\u0e15\u0e48\u0e2d\u0e40\u0e23\u0e32\u0e44\u0e14\u0e49\u0e17\u0e35\u0e48 <a style=\"color: #2d5a87; text-decoration: none; font-weight: 600;\" href=\"mailto:sales@yunrui-controls.com\">sales@yunrui-controls.com<\/a> \u0e2b\u0e23\u0e37\u0e2d WhatsApp <a style=\"color: #2d5a87; text-decoration: none; font-weight: 600;\" href=\"https:\/\/wa.me\/8618710784030\">+86 187 1078 4030<\/a>.<\/p>\n<\/div>\n<h3 style=\"color: #1e3a5f; font-size: 24px; margin-top: 40px; margin-bottom: 20px; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\">\u0e2b\u0e19\u0e31\u0e07\u0e2a\u0e37\u0e2d\u0e41\u0e19\u0e30\u0e19\u0e33<\/h3>\n<ul style=\"padding-left: 20px; color: #475569; line-height: 1.8;\">\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/valve-positioner-working-principle-troubleshooting\/\">\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e09\u0e1a\u0e31\u0e1a\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c: \u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19 + \u0e01\u0e32\u0e23\u0e41\u0e01\u0e49\u0e44\u0e02\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e20\u0e32\u0e04\u0e2a\u0e19\u0e32\u0e21<\/a><\/li>\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/control-valve-accessories-guide\/\">\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e40\u0e2a\u0e23\u0e34\u0e21\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21<\/a><\/li>\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/fisher-dvc6200-positioners-emerson-ams-trex\/\">\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07 Fisher DVC6200: \u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e04\u0e48\u0e32\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e1a Emerson AMS Trex<\/a><\/li>\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/control-valve-waterproof-and-moisture-proof-measures\/\">\u0e21\u0e32\u0e15\u0e23\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e19\u0e49\u0e33\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e0a\u0e37\u0e49\u0e19\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e27\u0e32\u0e25\u0e4c\u0e27\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21: \u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e17\u0e32\u0e07\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21\u0e09\u0e1a\u0e31\u0e1a\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c<\/a><\/li>\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/transmitter-zero-migration-guide-positive-vs-negative-migration-explained\/\">\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e22\u0e49\u0e32\u0e22\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e2a\u0e48\u0e07\u0e2a\u0e31\u0e0d\u0e0d\u0e32\u0e13 Zero: \u0e04\u0e33\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e01\u0e32\u0e23\u0e22\u0e49\u0e32\u0e22\u0e15\u0e33\u0e41\u0e2b\u0e19\u0e48\u0e07\u0e40\u0e0a\u0e34\u0e07\u0e1a\u0e27\u0e01\u0e41\u0e25\u0e30\u0e40\u0e0a\u0e34\u0e07\u0e25\u0e1a<\/a><\/li>\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/radar-level-transmitter-frequency-guide\/\">\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e16\u0e35\u0e48\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e2a\u0e48\u0e07\u0e2a\u0e31\u0e0d\u0e0d\u0e32\u0e13\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e40\u0e23\u0e14\u0e32\u0e23\u0e4c<\/a><\/li>\n<li><a style=\"color: #2d5a87; text-decoration: none; font-weight: 500;\" href=\"https:\/\/www.yunrui-controls.com\/th\/temperature-transmitter-configuration-and-application-a-complete-technical-guide\/\">\u0e01\u0e32\u0e23\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e04\u0e48\u0e32\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e2a\u0e48\u0e07\u0e2a\u0e31\u0e0d\u0e0d\u0e32\u0e13\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34: \u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04\u0e09\u0e1a\u0e31\u0e1a\u0e2a\u0e21\u0e1a\u0e39\u0e23\u0e13\u0e4c<\/a><\/li>\n<\/ul>\n<hr style=\"border: none; height: 2px; background: linear-gradient(90deg,#1e3a5f 0%,transparent 100%); margin: 40px 0;\" \/>\n<p style=\"color: #64748b; font-size: 14px;\"><em>\u0e2d\u0e31\u0e1b\u0e40\u0e14\u0e15\u0e25\u0e48\u0e32\u0e2a\u0e38\u0e14: \u0e21\u0e34\u0e16\u0e38\u0e19\u0e32\u0e22\u0e19 2569\u00a0<\/em><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Control Valve Sizing and Actuator Selection: Complete Engineering Calculation Guide Master Cv calculation, thrust analysis, and actuator sizing for process control applications. Technical formulas, worked examples, and field-proven selection methods. Quick Navigation: Cv Fundamentals | Liquid Cv | Gas Cv | Steam Cv | Actuator Thrust | Selection Guide 1. Control Valve Flow Coefficient (Cv) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8419,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[384,1],"tags":[],"class_list":["post-8417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Actuator and Valve Sizing: Engineering Calculation Methods<\/title>\n<meta name=\"description\" content=\"Engineering methods for control valve sizing and actuator selection. 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