Key Parameters & Specifications Parameter / Feature Category Description Product Name Fisher™ 3582 Pneumatic Valve Positioner Type Force-Balance, Cam and Lever, Pneumatic (I/P) Primary Application Positioning of rotary valves (ball, butterfly, plug) with piston actuators. Input Signal Standard: 3-15 psig (0.2-1.0 bar). Other input ranges (e.g., 6-30 psig) are available. Supply Pressure Up to 150 psig (10.3 bar). Output to Actuator Supply pressure dependent. Controls air to one or both sides of a piston actuator. Air Flow Capacity Very High. The large-volume relay is designed to quickly fill and exhaust the chambers of piston actuators. Typical exhaust capacity is >3.0 SCFM (85 slpm). Action Field-reversible between direct and reverse action. Feedback Mechanism Cam and Lever. Standard cams provide Linear or Equal Percentage flow characteristics. Actuator Compatibility Piston Actuators: • Double-acting (Primary use) • Single-acting (Spring-return) Mounting Direct-mounted to the actuator. Connects to the valve shaft via a feedback lever and link. Enclosure Weatherproof and corrosion-resistant aluminum enclosure. Approvals Suitable for use in hazardous areas due to its purely pneumatic design. Typically has FM, CSA, and ATEX certifications.
