TNSD/TNDD

TNSD/TNDD duct grilles

Supply and return air grilles are designed to be used in HVAC and directly mountable to circular cross-section ducts.

Type

• TNSD – simple line air grilles
• TNDD – double line air grilles

Material

• 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)

Blades

• vertical, parallel with the shorter side

Fixing

• with screw through the frame

Accessories

• 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