Description
The Johnson Controls D-3246-2 is a heavy-duty pneumatic damper actuator engineered for precise damper positioning in commercial and industrial HVAC systems. Featuring a swivel-mount design complete with bracket, clevis, and crankarm hardware, this actuator delivers reliable, repeatable performance in demanding building automation and air handling applications.
Key Features
- Swivel-mounted configuration with included bracket, clevis, and crankarm for flexible installation
- 8–13 PSI spring range for accurate, fail-safe damper positioning
- 6″ stroke length for broad compatibility with commercial damper linkages
- 23.4″ diaphragm for strong, consistent actuating force
- Includes D-9502-5 positioner for precise control signal response
- 25 PSI maximum control air pressure rating
- 1/8″ NPT barbed fitting for straightforward pneumatic tubing connection
- 2 SCIM maximum air consumption for efficient operation
Specifications
- SKU: D-3246-2
- Brand: Johnson Controls
- Actuator Type: Pneumatic / Diaphragm
- Mounting Style: Swivel with Bracket, Clevis, and Crankarm
- Spring Range: 8–13 PSI
- Stroke: 6″
- Diaphragm Size: 23.4″
- Maximum Control Air Pressure: 25 PSI
- Air Connection: 1/8″ NPT Barbed Fitting
- Maximum Air Consumption: 2 SCIM
- Included Accessories: D-9502-5 Positioner
Applications
- Commercial AHU and VAV damper control
- Building automation and pneumatic control systems
- Industrial HVAC damper positioning
- Retrofit and new-construction pneumatic control projects
The included D-9502-5 positioner ensures the actuator responds accurately to control signals, making the D-3246-2 an ideal choice for applications requiring tight modulation and reliable fail-safe operation. The 1/8″ NPT barbed fitting simplifies pneumatic tubing connections, while the swivel-mount bracket assembly accommodates a wide range of damper configurations.







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