1, K type 7 inch color aluminum falling water system:
Type K 7 inch color aluminum water system products refers to the
gutter opening size is 5.2 inches (130mm) of the K type hyperbolic
appearance of the roof gutter, rain water system collocation
corrugated rectangular 2x3 inch or 3 inch round rain gutters.
The appearance of hyperbolic gutters, collocation corrugated
rectangular rain pipes, modern style, simple collocation;
corrugated rectangular rain pipes more fashionable and elegant. At
the same time, the texture of the metal brings a simple visual
impression to your building facade.
Southern California Spanish style architecture using K 5.5 inch and
3 inch H gutter type circular tube with the use of the water system
is a new method of using more fashionable. On the west coast of
North America, some avant-garde designers love to K type and H type
hyperbolic gutter pipe with the use of the pursuit of a new effect;
while in Chinese, most of the projects, also made of K type and H
type hyperbolic gutters with circular tube, to achieve a new
2, K type 7 inch color aluminum water fall system applies to:
Single family villas, townhouse, garden houses, clubs and other
small roofing buildings, while the K 5.2 series products, the most
economical of all products.
According to 3, number of rain pipes:
The amount of rain pipes drainage rain pipes to determine the
number of basis depends on the size and the roof.
In the table below, "each rain pipes bear catchment area" means
such as the Beijing area, the rainfall intensity is calculated by a
return period of 5 years, 1 or 1 2x3 inch rectangular 3 inch round
rain pipes can be excreted catchment area of 86 square meters of
roof rain water.
Catchment area: rainwater drainage pipe collect rain area, at the
level of projection area calculation. The square said.
The recurrence period is the average time interval of a rainstorm
which is equal to or greater than a rainstorm intensity by
statistical analysis of a certain amount of rainfall observation
data. Its units are expressed in years.
The table on the rainfall intensity data values in the "manual"
design of building water supply and drainage, the return period is
5 years, according to the "building drainage design specification"
(GB50015-2003) in the provisions of article 4.9.22: rain pipes
maximum flood discharge