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Sudarshan DWC Pipes ​​

column pipe for borewell
double wall corrugated pipe
Sudarshan Double Wall Corrugated (DWC) Pipes are HDPE pipes renowned for their versatility and durability across various applications. Whether it’s ducting cable networks, laying underground electrical conduits, or conveying sewage and wastewater, these pipes deliver exceptional performance.
Made from high-quality HDPE material, Sudarshan DWC Pipes offer a life expectancy of over 50 years and come with added benefits such as UV stability, non-flame propagation, anti-rodent properties, and weather resistance. Their lightweight and flexible nature ensures easy installation, making them ideal for projects that demand both reliability and efficiency.
Available in multiple sizes and colors, Sudarshan DWC Pipes comply with the stringent standards set by IS 16205:2018 (for cable ducting) and IS 16098:2013 (for sewage and drainage), making them a trusted choice for modern infrastructure needs.
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What is Double Wall Corrugated Pipes

    1. Double wall corrugated (DWC) pipes are a good choice for underground sewerage systems because they are lightweight, strong, and easy to install. They are often made of high-density polyethylene (HDPE) plastic and can be used for non-pressure sewerage, drainage, and cross drainage. DWC pipes are also maintenance free and can last for years underground​
    2. Pipes and fittings are manufactured using HDPE polymer. These pipes are resistant to various types of gases & chemicals which are generated due to putrefaction of various ingredients flowing in the system.​
    3. DWC has a corrugated outer layer that provides crushing strength and a smooth inner layer that allows for easy passage of sewer water, cables, and conduits.
    4. Double Wall Corrugated Pipes (DWC) are for gravity and low-pressure sewerage and drainage, such as waste water, sanitary sewer and storm sewerage for municipal or industrial use. The pipes provide important benefits and distinct advantages for sewer and drainage applications.
    5. Double wall corrugated (DWC) pipes are a good choice for conduit pipes because they can protect electrical and telecom cables, and are more economical than other conduits. DWC pipes are made from high-density polyethylene (HDPE) with a corrugated outer surface and a smooth inner wall. This design gives them additional strength and stiffness, and makes it easier to insert cables. DWC pipes are also resistant to corrosion, abrasion, and chemical degradation, and can withstand heavy loads when buried.
    6. Double Wall Corrugated Duct can withstand external heavy loads when back filled and properly buried. It is suited for usage as a casting duct/jacket in those environments where the direct placement of cabbies and ducts is not easy and safe.​

Key Features of DWC​

  • Maintenance free: Once installed, DWC pipes can last for years underground.​
  • Resistant to damage: DWC pipes are resistant to damage from rodents and digging.​
  • Chemical inertness: DWC pipes are immune to corrosive chemicals and biological ingredients. ​
  • Cost effective​
  • Flexible and fatigue resistant​
  • Excellent load bearing capacity and stiffness​
  • Suitable for various climates​
  • Corrugated profile bonds well with soil​
  • Can be transported using telescopic equipment​
  • Watertight joints​
  • Rodent repellent​
  • Flexible enough to adjust to obstacles during installation​
  • Environment Friendly
  • Stronger than GI, RCC or PVC- solid wall pipes​
  • Long life span​
  • Easy to transport, handle and install due to light weight​
  • Low installation Cost​
  • Excellent Impact Strength​
  • Flame retardant​
  • Leak Proof​
  • UV Resistant​
  • Ability to withstand heavy external loads when properly buried​
  • Easy jointing and installation

Double Wall Corrugated Pipe Features:

  1. Intensity and Stiffness (ability of enduring geographical conditions load): Because the plastics embedded pipe is a flexible pipe and it endures the press with the soil around in correct design and construct these plastics embedded pipe doesn’t need the same intensity and stiffness as rigid concrete drain pipe.​
  2. ​Hydraulic features (ability of transporting liquid): In hydraulic features, plastics pipe’s resistance of fluid is less than concrete pipe because of its slippy inner surface. It’s proved by practice that smaller diameter plastics pipe can attain required the same flow rate than concrete pipe at the same slope. Plastics pipe can decrease the slope rate at the same diameter (decrease construction workload ).​
  3. Sealability (no giveaway, prevent polluting environment): In sealability, the plastic pipes’ connection is credible. (flexible sealing ring bell and socket link).
  4. Long Lifespan (corrosion resistant, resistance to abrasion): Plastics pipe has many advantages in useful lifespan and corrosion resistant. Sewage and rainwater transported by embedded pipe is always aggressive, acidity or causticity. Sewage has powerful corrosiveness for example industrial water. Plastics embedded pipe has better inoxidizability than metallic conduit and concrete pipe. Plastics pipe’s abrasion resistance is better.​
  5. Easily to install: Prominent advantage in installation: light weight, longer length (less connect), low require for pipe ditch and foundation, easy connecting and quickly constructing. Plastics pipe’s virtue is prominent in city’s crowded area and bad geological area (for example high ground water level and flaccid foundation).​
  6. Comprehensive economic features: plastic embedded pipe’s virtue is being discovered in a comprehensive economic level. The price of plastic embedded pipe is higher than concrete pipe. But it is approved by installation practices in domestic and international market in all projects cost of plastics embedded pipe was lower than concrete pipe if the design and construction is correct. The cost of double wall-corrugated pipe is as similar as concrete gripping pipe. Its price decreases 30%-40% than faucet concrete pipe. Double wall-corrugated pipe can reduce the construction period. Its economic feature is apparent.

APPLICATIONS

  • Protection of cables in suburb sections​
  • Protection of cables at rail road/crossings/platforms​
  • Protection of cables across river, canals and culverts​
  • Protection of power cables in distribution network​
  • Used as protective casing of street lighting cables​
  • Rainfall and sewage drainage in municipal engineering​
  • Industrial waste water and plot sewage drainage ​
  • Brine well transporting bittern, fishery transporting water​
  • Mine ventilation and drainage project ​
  • Farming irrigation and drainage ​
  • Wall pipe of excavate project (double wall corrugated pipe with holes​
  • Water conservancy project​
  • Safeguard pipe of low voltage cable and communication cable​
  • Expressway embedded pipe

Technical Indicators​

    • Major technical indicators of HDPE Double Wall Corrugated pipe​
    • Density: 941kg/m2 ~965 kg/m2 ;​
    • Refraction coefficient: 1.54nd;​
    • Water absorption <0.01%;​
    • Tensile strength:20-35Mpa;​
    • Elastic modulus:800MPa; Stretch yield strength: 20MPa;
    • ​The ring strength of pipe should equal or over 4KN/ m2;

Technical Specifications

Technical Specification for DWC Sewerage pipes
Nominal Inside Dia.(mm)
Average Inside Dia. Min
Outside Thickness (Min)
Inside Thickness (Min)
Connection Length (mm)
200
195
1.1​
1.5
54
300
294
1.7
2
64​
400
392
2.3
2.5
74
500
490​
3
3
85
600
588
3.5
3.5
96
800
785
4.5​
4.5​
118​
CONDUIT SYSTEMS FOE CABLE
MANAGEMENT IS:16205 (Part 24) 2017
SL NO
Nominal Size
Nominal O.D
Tolerance
Min I.D
1
25
25
+ 0.5
18
2
32
32
+ 0.6
24
3
40
40
+ 0.8
30
4
50
50
+ 1.0
37
5
63
63
+ 1.2
47
6
75
75
+ 1.4
56
7
90
90
+ 1.7
67
8
110
110
+ 2.0
82
9
120
120
+ 2.2
90
10
125
125
+2.3
94
11
140
140
+ 2.6
106
12
160
160
+ 2.9
120
13
180
180
+ 3.3
135
14
200
200
+ 3.6
150
15
225
225
+ 4.1
170
16
250
250
+ 4.5
188
17
315
315
+ 5.7
237
Sl. No.
DN/ID Series
Minimum Wall Thickness
Socket Length
DN/ID
d im.Min mm
e4,Min mm
e5,Min mm
AMin mm
1
75
71
1.0
0.85
27
2
100
95
1.0
1.0
32
3
125
120
1.2
1.0
38
4
135
130
1.2
1.0
39
5
150
145
1.3
1.0
43
6
170
165
1.4
1.0
48
7
200
195
1.5
1.1
54
8
225
220
1.7
1.4
55
9
250
245
1.8
1.5
59
10
300
294
2.0
1.7
64
11
400
392
2.5
2.3
74
12
500
490
3.0
3.0
85
13
600
588
3.5
3.5
96
14
800
785
4.5
4.5
118
15
1000
985
5.0
5.0
140
16
1200
1185
5.0
5.0
162

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