Perporared Pipes
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National
Sharq Factory for Plastic Products have arranged of
perporated UPVC Pipes for use in sub-soil
drainage systems. The figures 3a & 3b below give general
confiuration which may be varied within the following
parameters depending on size and class of pipe selected.
Parameters, Limits of Variation, Outside Diameter 110 mm
to 400 mm in standard sizes. Wall Thickness
T in accordance with the class of pipe
selected longitudinal
Pitch of Holes P 30 mm to 200 mm
depending on size and class of pipe
Hole Diameter D 3
mm to 13 mm depending on size and class of pipe.
Number of Rows N1to4
Angular Pitch of Holes A 40 degree for 3 or 4 rows 40,
80, or 120 degrees for 2 rows.
For example a typical 4 rows of 6 mm diameter holes at
longitudinal pitch of 70 mm will give an intake area in
excess of 1000 sq. per meterlength of pipe. For further
details concerning drilling configuration, please refer
to National Sharq Factory for Plastic Product data sheet
obtainable from our technical department. |
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