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HDPE Coil

About

JOHNSON HIGH –DENSITY POLYETHYLENE (HDPE) COIL

Manufacturing high quality HDPE piping system in diameters ranging from 20mm to 200mm, across multiple PE grades and pressure ratings, customized as per client and project-specific requirements.

HDPE coils & pipes have smooth inner wall & have a higher coefficient of friction. Coils installed above ground don't get affected due to extreme weather conditions or UV-rays. HDPE pipes are available in coils and single straight length.

HDPE coils & pipes are safe for potable water conveyance.

HDPE Pipe IS 4984: 2016 / IS 14151

PN
(kg/cm²)
Discharge LPS
32 40 50 63 75 90 110
6 1.01 1.54 2.41 3.83 5.42 7.81 11.37
8 0.94 1.46 2.28 3.64 5.13 7.43 11.09
10 0.87 1.36 2.14 3.39 4.80 6.92 10.37
12.5 0.81 1.25 1.96 3.11 4.41 6.38 9.55
16 0.72 1.13 1.77 2.83 3.99 5.78 8.60
20 0.63 1.00 1.56 2.47 3.51 5.07 7.58

Pipe Pressure Rating Selection Chart Based on Installation Depth

Recommended depth of installation(Feet)
Standards PN (Kg/cm²)
6 8 10 12.5 16 20
IS 4984 / IS 14151 175 235 300 375 480 600

Pump Head Selection Chart

Maximum Permissible Pump head(Feet)
Standards PN (Kg/cm²)
6 8 10 12.5 16 20
IS 4984 / IS 14151 203 271 339 423 542 677

Available Maximum Coil Lengths

Pipe OD (mm) 32 40 50 63 75 90 110 140 160
CoilLength*(meter) 2000 2000 1000 500 500 300 150 50 50

Considerations

The above information is provided for guidance and is subject to pump performance and related conditions, including the selected pipe. It refers to free discharge at the wellhead with a residual head of 3 m (0.3 kg/cm²). However, if users wish to extend it further, additional parameters such as static head and friction losses must be considered when selecting the piping system. The maximum permissible pump head indicated includes static head and frictional losses in pipelines and fittings. The depth of coil installation is determined by considering the weight of the pump, cable, and pipe, along with the water column and water hammer effect. The discharge values mentioned above are based on an assumed water velocity of 1.6 ± 0.1 m/sec through the pipe. Once the installation depth of the submersible pump is known, you can determine the required pipe pressure rating.

Once the well discharge is known, you can determine the pipe diameter for the selected pipe pressure class. After selecting the pipe, you can then fix the required pump specifications for pump head and pump outlet size according to the pipe diameter and discharge.

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