HDPE Pipe By Perfect Group Of Company (perfect Pump Ind. Pvt....

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Product Description

FEATURES AND BENEFITS

Chemically inert Immune to corrosion due to any reasons with all chemicals from PH 0 to 14.

Economic Pipes and fittings are about 30% cheaper in material cost and 35% cheaper when installation cost are compared.

Highly flexible Easy installation on uneven contours/unlevelled trenches.

Long life Designed to 50 years trouble free life in all kind of environments.

Light- weight Pipes are extremely light.

Low friction Pipe walls are very smooth resulting in lower frictional losses. Do not permit any bacterial growth or algae.

Weather resistant Pipes made from HDPE contain non-toxic additives like carbon black which safeguards the use in open sunlight do not pose any problem or stringency regarding

FIELD OF APPLICATION:

Water supply Certified by NEERI for potable water transport

Effluent transport Long service life in handling effluents of all kinds.

Chemical transport Can resist corrosion by chemicals from PH 0 to 14. Can safely be used in hostile environments for acids, sludge, D.M.Water.

Gas transport High creep strength PE pipes ideal as gas carriers for Natural gas, Coal gas, LPG etc.

Slurry transport High abrasion resistance together with immune ness to corrosion is an advantage for handling slurry mixture of iron water, Boiler ash water dredge slurry disposals.

Telecom ducts For use as underground optical fiber conduits.

Irrigation For micro and sprinkler irrigation systems.


Density	0.955 g/cm³
Melt Index	0.2 to 1.10 g/10 min
Tensile Strength at yield point	240 kg/cm²
Elongation at yield point	16%
Elongation at break	> 800%
Ball indentation hardness	480/420 kg/cm²
Shore hardness D	63
Notch Impact strength	9-12 kgcm/cm²
Coefficient of Linear thermal expansion (up to 80ºc)	1.5 to 2.0x10-4cm/cm0C
Heat conductivity up to 20ºc	0.37 K cal/mhc

Flow through HDPE Pipes :

Fluid flow through HDPE pipes will be governed by the wide known Hazen-Williams equation:

Q = 1002 X C X D^2.63 X S^0.54

Q = Rate of flow, M³ / hr.

D = Pipe Bore, ID in Mtrs.

C = Hazen/Williams constant for HDPE pipe = 150

S = Slop or Hydraulic gradient, mtr/mtr

With smoother wall thickness, HDPE pipe ofers very low resistance to fluid flow (C factor = 150) compared to other conventional pipes. The rate of Frictional losses through HDPE pipes could be computed from the friction nomogram provided.

Water Hammer :

HDPE pipes are highly elastic can withstand surge pressure up to 1.5 times the Working Pressure rating. Pipes selected should be checked for safety against surge pressure which can be computed from the formula:

Hw = a/g X ??? V, where,

Hw = surge pressure due to water hammer, M

a = Pressure wave velocity, Mtr/sec.

??? V = change in flow velocity, Mtr/sec.

Following values of pressure wave velocity should be used for calculating water hammer.

for 2.0 kg/cm2 working Pr. Pipes 173 M/Sec

for 2.5 kg/cm2 working Pr. Pipes 199 M/Sec

for 4.0 kg/cm2 working Pr. Pipes 250 M/Sec

for 6.0 kg/cm2 working Pr. Pipes 305 M/Sec

for 10.0 kg/cm2 working Pr. Pipes 387 M/Sec