Strongroom Door – Premium (B Class)

Door Construction- Doors are made of tough steel plates, armor plates and special oxyacetylene flame resisting and fire and hammer resisting barrier material. This combination of different layers makes penitration of the door difficult even with multiple modes of attacks.


Door Slab Premium B Class

  • 88mm thick door slab comprising of total of 32 mm thick tough tested M.S. plates, drill resisting armour plates and tourch and arc resisting special alloy plates.
  • Reinforced by fire and hammer resisting hammer.
  • Total thickness over lock area is 99mm.

Door frame

  • Fabricated using 100×100×10mm rolled angles for standard and 150×150×12mm for premium doors.
  • Vestibual plates are strengthened by providing dolid rebate bars rivated on it.
  • Verticle sides of the frame are provided with 3nos. wall holds fast angles on each side.
  • B class Doors: Flames are fitted with provision for electrical supply as standard.
  • B class doors: A continuous packing on the door frame and a compression mechanism, protects the vualt from admission of flood waters or lequid explosives.


  • The door has 12 sliding bolts (6 on either sides) of 38mm (1½” each)
  • Sliding bolts slide behind box formed rebate bar on the door frame, through holes in lock casr angle.
  • A double lever mechanism, connected through a handle ensures smooth operation of bolts.

Locking Mechanism

  • Doors are provided with 2 nos. highly secured dual control key locks, designed and manufactured in-house with S.S. keys in duplecate that guarenty full confidentiality & security.
  • Automatic relocking devise – In case of attampt to dislocate the lock, by pounding or drilling, this feature comes in to action and automaticaly locks the door for good.

Grill Gate

Made of steel flats C channel and 19 mm dia. M.S. round bars provided with dual control key locks that can be operated from inside and outside. This sturdy door provides further security, when thr main door is open.


All the componants are thorougly cleaned with chemicals and give anti rust coating before applying 3 coats of decorative paint for hard and long lasting finish.Appropriate packing ensures the protection of finish during transmit and installation.


  • Doors are manufactured for a standard wall thickness of 280mm with standard overall dimentions. However we can redesign them to suit any customer specific requirments.
  • User specified biometric locks, time lock, Time delay locks or provision for fitting them, can be availed at an extra cost.

Technical specification



Specification Ref. SRD Premium
Over door frame A 1325×2200
Clear opening, Door open to 180° B 915×1992
Clear opening, Door open to 90° C 780×1992
Wall opening D 1100×2100
Projection of door open at 180° E 260
Projection of door open at 90° F 1110
Over all width of door and frame when door is oppen at 180° G 2267
Min overall width of door & frame to give max clear opening H 1930
Over vestibule Plate I 1023×2025
Projection of grill gate open at 180° J 92
Proection of grill gate open at 90° K 1006
Overall width of grill gate and frame when gate is open at 180° L 1968
Centre line of door opening at the edge of the frame M 665
Shiping data    
External size after packing Height 2274
  Width 1607
  depth 555
  Net Wt. 1210
  Weight 3% Dimention 1%