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A small actuator could stall against the larger sealed blade.
The model uses the 10 Nm drive specified for the larger diameter band.
STJH-MOTORIZED-SHUT-OFF-DAMPER-DN400-24V-10NM
Motorized Shut-Off Damper DN400 Class 4 24 V 10 Nm
A higher-torque shutoff assembly for a large round duct.
- A high platform provides clearance around the larger casing.
- The selected drive matches the higher torque requirement of the sealed disc.
Product Introduction
The DN400 casing carries a larger gasketed disc and uses a raised actuator platform. The drive moves into the 10 Nm class required for this diameter band, distinguishing the unit mechanically from smaller 5 Nm assemblies.
Key Features
- A high platform provides clearance around the larger casing.
- The selected drive matches the higher torque requirement of the sealed disc.
Technical Parameters
| Nominal Bore | 400 mm |
|---|---|
| Casing Material | Galvanized steel |
| Blade | Single circular disc |
| Perimeter Seal | EPDM |
| Shutoff Tightness | EN 1751 Class 4 configuration |
| Minimum Torque | 10 Nm |
| Actuator Output | 10 Nm |
| Supply Voltage | 24 V AC/DC |
| Control Arrangement | On-off actuator on high platform |
| Customization | Available for the intended large-branch isolation and installation environment. |
Applications
- Large circular supply branches
- Central exhaust branch isolation
Solutions for Your Application
The actuator body could foul the curved casing.
A raised mounting platform provides the required mechanical clearance.
Available Options
- Position indication
- Actuator platform details
- Connection accessories
Planning a Motorized Shut-Off Damper DN400 Class 4 24 V 10 Nm specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
