Actuators by Dwyer Instruments, Inc.

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	Actuators Damper Analyzers Gas Check Valves Flap Foot Plastic Controllers Process Temperature Controls: Process Pressure & Vacuum Temperature Data Loggers Detectors & Detection Equipment Fittings Barb Brass Compression Plastic Tube Flow Controllers Mass Flow Meters Air Chemical Gas Liquid Mass Orifice Plate Variable Area Water Flow Totalizers Gauges: Pressure, Force & Flow Flow Pressure & Vacuum Temperature Hammers Impact Indicators Flow Loop-Powered Temperature Instrumentation Process Control Instruments Air Velocity Electrical Measuring Intrinsically Safe Barriers Isolators Galvanic Leak Detectors Panel Meters Digital pH Meters Pressure Regulators Air Filter Probes Switch Temperature Pump Controls Rotameters Sensors Air Velocity Flow Mass Air Flow Particulate Pressure Switches Flow Liquid Level Pressure Speed Temperature Temperature Sensors Averaging Infrared RTD Thermistor Thermocouple Thermometers Bi-Metal Infrared Transducers Current Pressure Transmitters Air Velocity Flow Level Pressure Temperature Valve Actuators Valve Positioners Electro-pneumatic Pneumatic Valves Actuated Air Ball Butterfly Control Diaphragm Drain Foot Globe Instrument Miniature Needle Pilot Plastic Pulse Sanitary Solenoid Vibrators Ball Piston Zener Barriers

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Dwyer Instruments, Inc.

Michigan City, IN

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		Series DD Damper Actuator Line Floating & Modulating The Series DDA, DDB, DDC and DDD Damper Actuators are perfect for positioning dampers and valves in HVAC applications. Units are non-spring return and come in floating of modulating (4-20 mA or 0-10 VDC) inputs. They feature a direct-coupled design and are available in 17, 35, 53, 70, 88, 132, 177 and 265 in-lb torque sizes. Actuators incorporate position indicators, manual overrides, 60,000 nominal cycle life, and supply voltages of 120 VAC, 24 VAC or 230 VAC. Modulating units include 0-10 VDC position feedback. Request Quote View Literature