Key Parameters & Specifications Parameter / Feature Category Description Product Name Fisher™ DST-G Digital Sliding Gate™ Control Valve Assembly Type Integral Assembly of a rotary-shaft control valve body, Sliding Gate trim, and a digital valve positioner. Primary Function High-performance throttling control with integrated digital diagnostics and configuration. Trim Technology Sliding Gate™ Trim: A non-rotating stem moves a ported disc across a fixed seat. This design minimizes friction and wear. Actuator & Positioner Actuator: Spring-and-diaphragm or piston actuator. Positioner: Typically integrated with a Fisher FIELDVUE® (e.g., DVC6000 or DVC2000) Digital Valve Controller as a standard feature. Communication & Protocol HART®, FOUNDATION™ Fieldbus, or Profibus PA (depending on the DVC version ordered). Flow Characteristics Equal Percentage is standard. Linear characteristic is available. Valve Body Styles Fisher Vee-Ball® (most common for DST-G), Fisher easy-e® Control Valve, or Fisher GX Control Valve. Size Range (Vee-Ball) Typically 1 to 12 inches (DN 25 to DN 300). Pressure Rating (ANSI) Class 150 through Class 600. Leakage Class ANSI Class IV (standard metal-seated). ANSI Class VI (soft-seated) is available for bubble-tight shut-off. Temperature Range Standard: -50°F to 450°F (-46°C to 232°C). Extended temperature ranges are available with special components. Key Features • High Capacity: High Cv for a given valve size. • Low Fugitive Emissions: Packing system designed for low emissions. • Smart Diagnostics: Built-in diagnostics via the FIELDVUE positioner (e.g., travel, pressure, step-response tests). • Stable Control: Non-rotating guide design provides exceptional stability, reducing deadband and hysteresis.

Engineered for precision control in HVAC systems, this actuator seamlessly integrates into your system to ensure accurate positioning of dampers.

HDSS FUS 3P4W 240V 1200A N1