steel fire door

Specifications

Specifications

20 minutes to 120 minutes Fire rating
China top A grade fire door certificate & top A grade security.
Major in doors 15 years

Steel fire rated door

1. Certificate:

Chinese standard GB 12955-2008

2. Fire rating:

20 minutes, 30 minutes, 45 minutes, 60 minutes, 90 minutes,120 minutes

3. Door leaf:  0.5mm to 1.0mm thick;cold rolled steel or Galvanized steel

Thermal insulation: rock wool, rock board , pearlite & ceramic fiber board

All-round fire and smoke prevention expansion seal (on 4 sides)

4. Door frame:50mm/60mm/70mm thick, metal 1.0mm to 2.0mm thick ;Double rabbet frame with all-round fire and smoke prevention seal;cold rolled steel or Galvanized steel

Welded-on anchor brackets (standard)

5. Floor details:

With stepped threshold       

With demountable threshold (optional)

6. Surface finish:

Door leaf and frame powder coated & transfer wood natural color

7. Hinges:

135x90x3.4mm stainless steel hinge. 180 degree.

8. Lock:Panic bar exit device with lever handle

Fire-resistant mortise lock with profile cylinder, keys & lever handle (optional)

9. Closing devices:Overhead door closer

10. Accessories:Expansion bolts & plastic covers for installation use

 we do customized works as customer's special requirements

Reasonable price with high quality in prompt delivery time

Special color: according to RAL standard color,BS4800 is  acceptable