Air-driven movement
The actuator moves the blade assembly through the matched pneumatic circuit.
PRODUCT / TECHNICAL DATA Cleanroom Ductwork & AccessoriesSpecifications / Configurations / Procurement
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Cleanroom Ductwork & Accessories
Pneumatic Airtight Damper
Product specifications
Common specification options
| Brand | ST |
|---|---|
| Actuation | Pneumatic |
| Body | Galvanized steel or stainless steel |
| Connection | Flanged |
| Size | Custom |
| Blade arrangement options | Single / linked multi-blade |
| Air connection options | Matching pneumatic fittings |
| Seal options | Blade-edge and shaft seals |
| Position-feedback options | Limit-switch contacts |
| Dimensions | Custom duct section and casing depth |
Customization availableDuct section, casing length, actuator connection and mounting flanges can be customized.
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Pneumatic Airtight Damper opens or closes a ventilation branch using a compressed-air actuator. The sealed blade arrangement suits process ductwork where the control system already uses an instrument-air supply and requires a defined isolation point.
FEATURES AND BENEFITS
How it helps
Sealing interfaces
Blade-edge and shaft seals can be configured to restrict unwanted airflow across the closed assembly.
Feedback option
Limit-switch contacts can report the open or closed state to the controls.
APPLICATIONS
Where it is used
Process ventilation isolation
Separate a suitable branch within a system equipped for pneumatic operation.
SELECTION GUIDANCE
Choosing the configuration
Air-supply coordination
Match the actuator, fittings and control action to the available pneumatic supply and required loss-of-supply response; do not assume all versions return to the same position.
PROCUREMENT / INQUIRY
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