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Control Valves
Control Valves
Emerson Process Management offers Control Valves, Daniel Series 500. These are ideal for use where minimum pressure drop is required, or for applications where it is not practical to use the flowing stream as the power medium to operate a valve. Because the main piston is controlled externally and there is a 45 degree body design, pressure drop through this valve is extremely low. Both compressed air and hydraulic fluid may be used to actuate the power cylinder. Various pilot configurations are available to allow the use of these valves in a number of different applications. The Daniel Series 500 control valves are well suited for fire control, tank safety, remote on-off control, bypass control and with distribution systems. This valve is also commonly used for automatic drainage from storage, on-off manifold control, emergency shut-off on loading and unloading lines and digital control when used with Daniel presets. Features and benefits: fail safe on loss of power medium; modular construction - all internal parts including seat ring can be removed with the cylinder assembly without disturbing line connections; linear control characteristics; positive shut-off; bi-directional flow; 45 degree body design assures high capacity; extremely low pressure drop which conserves power consumption; atmospheric vent positively prevents mixing of line fluid and power cylinder operating fluid; and available in 2 to 12-inch sizes.
