Parameters & Specifications Parameter / Feature Category Description Product Name Fisher™ D4 Easy-E™ Control Valve Type Top-Entry, Sliding Stem, Cage-Guided Globe Valve Primary Function Throttling (Modulating) Control for process fluids. Body Styles Globe Body: Straight-through flow pattern. Angle Body also available. Size Range (ANSI) ½ inch to 4 inches (DN 15 to DN 100) Pressure Rating (ANSI) Class 150, 300, 600 End Connections Flanged (Standard), Screwed, or Socket Weld Trim Cage-Guided, Non-Rotating Plug. A variety of trim trims are available (e.g., characterized cage, reduced trim, noise attenuation trim, anti-cavitation trim). Leakage Class ANSI Class IV (standard metal seat). ANSI Class VI (bubble-tight shut-off) is available with soft seat. Flow Characteristics Equal Percentage (Standard), Linear, Quick Opening (via characterized cage). Temperature Range Standard: -350°F to 450°F (-212°C to 232°C). Extended ranges available with special materials and seals. Actuator Compatibility Designed to be paired with Fisher pneumatic actuators (e.g., 657 or 667 diaphragm actuators) and a positioner (e.g., a FIELDVUE DVC or a pneumatic 3582).
