Land spring steel door system adopt land spring installed under
ground or land spring installed vertically inside the door. The
door can open freely and without touching the door is closed. The
land spring door can be divided into a frame steel door and a
frameless street door according to the frame`s type. It have a lot
of choice to select the section`s materials such as stainless
steel, galvanized steel coating with baking varnish and so on. The
steel profile is uneasily deformed and is durable and firm.
All components of this system has been industrially manufactured,
and can be conveniently, rapidly and efficiently installed. There
is no any other consumption on site.
Large span, beautiful appearance and visual enjoyment
The steel profile is more slender than aluminum profile due to the
high strength of steel, and can be used in a large span curtain
wall and in the system with large glass panel. Because of the
diversified choice of personalized profile, architects can achieve
a more beautiful, more transparent architectural appearance than
other product. This system`s appearance is beautiful, large and can
be installed conveniently. The surface of stainless steel profile
can be made into mirror finishwire drawing processing finish, electroplate finish and polishing
finish. It is best choice to using this system in public buildings
such as shopping mall.
Safety performance(Adopting appropriate glass panel)
*Fireproof class: E30-E120
*Anti-blasting class: RC1-3*Anti-bullet class: FB4 NS
Perfect system steel components give personalized design more
Development and application of L type connection and accessory used
in installing land spring greatly improve the installation accuracy
of steel system..
Using fire expansion strip assure the system having the character
of air proof, sound insulated, thermal insulated. And this system
also greatly improve the quality of smoke performance. All these
characters can meet with the architect`s varies requirements.