Ceiling Access Hatch

Hi-Hatch NT

NT

NTAirtight ceiling access hatch compliant with Class A-4. Air conditioning performance is enhanced and the energy-saving effect is improved. It is best suited for general buildings and public facilities. Installation using self-tapping screws is also possible and the product can be used for general residences.


  • Standard Lock

  • Key Lock

Colour

  • Silver
    Silver
  • White
    White

Airtight Test Performance

Graf
Test
JIS A 1516-1994
Test Model; HHNT-303・454・606
Result
A-4 Grade

Details

  □300 □450 □600
Model No. Standard (Silver) HHNT-303 HHNT-454 HHNT-606
Standard (White) HHNT-303W* HHNT-454W* HHNT-606W*
Key Lock (Silver) HHNT-K303* HHNT-K454*
Dimensions Standard Dimensions 303×303 454×454 606×606
Ceiling Opening Dimensions 305×305 456×456 608×608
Inner Ceiling Tile Dimensions A 258×258 409×409 561×561
Inner Ceiling Tile Dimensions B 258×258 409×409 561×561

* These colours are available upon acceptance of orders only. Please discuss with us for each delivery period.

Specifications

Inside Frame, Outside Frame:
Extruded Aluminium with Anodised Finish (A6063S-T5)