- General Details
- Technical drawing
TNSD/TNDD duct grilles
Supply and return air grilles are designed to be used in HVAC and directly mountable to circular cross-section ducts.
- TNSD – simple line air grilles
- TNDD – double line air grilles
- frame and blades are made of galvanised steel
- option – frame and blades are made of steel sheet and powder coated in RAL 9010 white
- option – frame and blades are made of stainless steel (1.4301)
- vertical, parallel with the shorter side
- with screw through the frame
- ALN – control damper with manual adjustment steel sheet
- RGI – control damper hit and miss construction bevel control face steel sheet
- RGP – control damper hit and miss construction parallel control face steel sheet
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