... of fluid mechanics to be low rsistance equal section flow channel, rated flow coefficient increases 30%. Wide adjustable scope, inherent ... model, Please provide us the specifications.1. Size, Rated Flow Factor Kv2. Fluid Properties ( Pressure, Temperature, Viscostiy or ... 3. Valve Action (Air-to-close or Air-to-open )4. Flow Characteristics5. Upstream Pressure, Downstream Pressure6. Body, Plug Material7 ...