D-4073-5 | DAMPER ACTUATOR; 8-13#SPRING W/AUX MTG BKT | Johnson Controls
Documents and manuals
Johnson Controls D-4073-5 Documents
Overview
Details for D-4073-5
DAMPER ACTUATOR; 8-13#SPRING W/AUX MTG BKT
Description
The D-4073 Pneumatic Actuator is a multipurpose positioning device used to accurately position small dampers primarily on unit ventilators, VAVs, terminal units, and small ventilating dampers in response to output signals of a pneumatic controller or electropneumatic transducer.
The actuator is also recommended for use on other airflow control dampers, in interior locations, up to a maximum area of 6.75 sq. ft for proportional volume control and 11.7 sq. ft for two-position actuation, provided that the torque requirements are compatible with the specific application. The D-4073 is a direct replacement for existing D-3073 actuators and a functional replacement for former D-251 actuators. Refer to the D-4073 Pneumatic Actuator Product Bulletin (LIT-2681074) for important product application information.
Features
- two-way swivel connection ensures non-binding movement and full power delivery
- glass-reinforced polymer housing, which is lightweight and corrosion- and chemical-resistant
- telescoping linkage for fast and flexible installation
Applications
When an 8 to 13 psig spring range is used with proportional control, the damper size is limited to 6.75 sq. ft maximum. As a two-position control, damper size is limited to 11.7 sq. ft. Three nominal spring ranges are available:3 to 7 psi, 5 to 10 psi, and 8 to 13 psi. The control air pressure for normal HVAC operation is 0 to 20 psig. The D-4073 incorporates several internal and external features that add functional flexibility. A two-way swivel connection on the actuator cylinder head provides non-binding movement. All actuators have a telescoping piston rod for easy linkage of the damper for attachment points up to 8-3/4 in. (222 mm) away from the face of the actuator. A swivel ball joint and slotted crankarm connector are furnished on all actuators for optional methods of linkage to the damper. A stop screw kit is available for special applications to limit the power stroke of the actuator when required. A 4 ft (122 cm) linkage rod is also available for special applications to reach extended linkage when required. Where precision sequential operation is desired, or additional positioning power is necessary, use a D-9502 pilot positioner. Up to four more D-4073 actuators may be slaved from one pilot positioner for coupled dampers.
Repair Information
If the D-4073 Pneumatic Actuator fails to operate within its specifications, replace the unit. For a replacement actuator, contact the nearest Johnson Controls® representative.
- Pneumatic Damper Actuator
- 8-13 # Spring Range with Aux Mounting Bracket
- 3 inch Stroke
- Control Pressure 0-20 PSIG
- Effective Area 6.7 inch²
Specifications
Item Number | D-4073-5 |
Brand | Johnson Controls |
Actuator Type | Pneumatic |
Category | Dampers & Actuators |
Section | Pneumatic Actuators |
Section | Valves & Actuators |
SubCategory | Pneumatic Actuators |
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