InfoDepot:Round Downspout Machine / Rolling Shutter Door profile roll forming Machine / Partition Beam Roll forming Machine / Suspended Ceiling clip in Machine

JACK.AIVA

Jiangyin Jack-Aiva Machinery Co.,Ltd
Add: No.44 Lidu city garden, Jiangyin City, Jiangsu China
Tel: +86-510-86251295
Fax: +86-510-86251926
Mobile phone:0086-13915206868
E-mail:rollform@jack-aiva.com
            machinerychina@yahoo.com
Web site: www.rollformingmachine.org

Answers to Frequently Asked Questions about cold Roll Forming

WHAT’S THE STANDARD OF DOWNSPOUT?

There have many kinds of different style downspout or Downspout in the present market. We can supply any kind of downspout roll forming machine. The following related information is as your reference.

rectangular downspout
Downspout has a wide range of downpipes for a variety of applications. Square, Rectangular and Round downpipes are available to suit any style of home, building or factory. Sizes are available range to suit any requirements from small drainage up to large factory applications.
Contour Downspout

Contour Downspout feature an attractive fluted profile. Fluting adds to the strength of the Downspout and allows consistently straight pipes to be rolled to any length required. Contour Downspout is economical and is available in the popular sizes of 100 x 50mm and 100 x 75mm, check your State for availability.
Contour™ Downspout Technical Information
It is considered the best practice to drain to different points, using smaller Downspout rather than to one large outlet. Where possible, Downspout should be spaced at not more than 12000mm centres.


Downspout Specification and Sizes

Profile

BMT (mm)

Tensile (Mpa)

Size (mm)

Roof Area Drained (m²)

0.40

G300

95 x 45*

70

100 x 50

70

100 x 75

105

Round Downspout

As a general guide, in non cyclonic areas, for every 1m2 of roof area drained, 70mm2 of Downspout is required. This calculation is based on the assumption that the maximum rainfall does not exceed 125mm per hour.
It is considered the best practice to drain to different points, using smaller Downspout rather than to one large outlet. Where possible, Downspout should be spaced at not more than 12000mm centres.
Round Downspout are available in a diameter to suit a range of applications from industrial to residential buildings. 1800mm & 2400mm lengths are available in galvanised, zinc/alum or a range of roofing colours, check with your State for size & length availability.


Round Downspout Specification and Sizes

Profile

BMT (mm)

Tensile (MPa)

Size (mm)

Roof Area Drained (m²)

0.40 and 0.50

G300

50

30

65

45

75

65

90

90

100

115

125

170

150

250

175*

345

200*

450

225*

570

Square Downspout

Square and Rectangular Downspout are available in sizes to suit any application from industrial to residential buildings. They are available in galvanised, zinc/alum and a huge range of roofing colours. Lengths are 1800mm or 2400mm, check your State for availability.
For specifications on maintenance, fixing methods, handling, storage and a wide range of other important facts, consult the Selection Use and Maintenance of Steel Products brochure.
Square Downspout Technical Information

Square Downspout Specification and Sizes

Profile

BMT (mm)

Tensile (MPa)

Size A x B (mm)

Roof Area Drained (m²)

0.40 and 0.50

G300

50 x 50*

35

75 x 50

55

75 x 75

80

95 x 45

60

100 x 50

70

100 x 75

105

100 x 100

140

125 x 100

180

150 x 100

210

150 x 150

320

200 x 200

570