TBC Type Two-Tier Ventilation Shutter
- The TBC Type Two-Tier Ventilation Shutter is specially designed for sea environment, and mostly used in emergency generator room etc for both ventilation and fire-proof purposes.
2. Brief introduction:
- The shutter consists of inside part and outside part. The inside shutter is controlled by pneumatic air of 0.5~0.8Mpa and the outside shutter is controlled by electric;
- The inside shutter is normally opened. In emergency case, the 0.5~0.8Mpa compressed air inducted and the pneumatic actuator could shut off the shutter within 10 seconds.
- The outside shutter is electrical controlled. The shutter is open before the emergency generator running and is closed automatically after the emergency generator stopping;
- Manual open/close operations are available for both internal and external shutters, and each shutter can be operated independently;
- Power source is DC24V/AC220V, Protection class is IP54;
- Signal is display and output after the shutter opening and closing;
- Detail control mode is according to user’s requirement;
3. Outline drawing:
4. Type & Parameter:
|Type||a x b||L||Flange size|
|TBC-axb||500×500~2000×2000||>300||According to GB1561-79|
- All the flange sizes could be fabricated according to user’s requirements.