Synergy Engineering Solution is a globally recognized manufacturer, stockist, and exporter of robust and high-performance ID 400 mm DWC Pipes (Double Wall Corrugated Pipes), engineered using premium-grade High-Density Polyethylene (HDPE). Designed for large-scale underground infrastructure, these pipes feature a corrugated outer wall that offers high structural integrity and a smooth inner wall to ensure unimpeded flow of fluids or easy cable placement. The 400 mm internal diameter makes them ideal for stormwater drainage, municipal sewer systems, industrial fluid transport, and electrical cable ducting.
The ID 400 mm DWC Pipe delivers superior mechanical performance under extreme load conditions. It is commonly used in projects such as railway and highway crossings, urban stormwater networks, and large-scale cable protection corridors. The large internal diameter allows for high-flow capacity, while the double-wall design provides high ring stiffness and superior impact resistance, making it suitable for heavy-duty underground installations.
Synergy manufactures these pipes using advanced co-extrusion technology, maintaining strict adherence to global standards including IS 16098 (Part 2), IS 14930, DIN 16961, and EN 13476. Each pipe is supplied in 6-meter standard lengths, with the option of custom lengths upon request. Pipes come with push-fit couplers and EPDM rubber rings, ensuring leak-proof and secure joints that can withstand underground environmental stress and soil pressure over long periods.
As a well-established stockist, Synergy maintains large inventories of ID 400 mm DWC Pipes in both SN4 and SN8 ring stiffness classes, ensuring timely availability for urgent project deliveries. The pipes are available in industry-standard colors like black for sewer/drainage or orange for electrical use, with associated accessories like fittings, bends, end caps, and manhole connectors, enabling end-to-end system installation.
With a strong foothold in the international market, Synergy Engineering Solution exports its ID 400 mm DWC Pipes to countries such as Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, USA, Canada, and throughout Africa. Products are exported with comprehensive technical documentation, including Material Test Certificates (MTCs), third-party inspection reports, packing lists, and compliance certificates, meeting all international procurement standards.
The HDPE used in these pipes ensures excellent chemical resistance, non-corrosiveness, and low abrasion, making them ideal for underground conditions that are typically harsh and moisture-laden. Moreover, the pipes are UV stabilized, eco-friendly, and offer a service life exceeding 50 years with minimal maintenance requirements, making them highly reliable and cost-efficient.
| Property | Description |
|---|---|
| Product Name | ID 400 mm DWC Pipe |
| Inner Diameter (ID) | 400 mm |
| Outer Diameter (Approx.) | 450 – 480 mm (depends on wall thickness & SN class) |
| Standard Length | 6 meters (customizable) |
| Material | High-Density Polyethylene (HDPE) |
| Structure | Corrugated Outer Wall, Smooth Inner Wall |
| Ring Stiffness Class | SN4, SN8 |
| Jointing System | Push-fit Coupler with EPDM Rubber Ring |
| Compliance Standards | IS 16098-2, IS 14930, DIN 16961, EN 13476 |
| Applications | Sewer, Stormwater, Drainage, Cable Ducting, Culverts |
| Component | Percentage (%) |
|---|---|
| Carbon (C) | ~85 – 87 |
| Hydrogen (H) | ~12 – 14 |
| Additives | <1 (UV stabilizers, antioxidants, black pigment) |
| Property | Value |
|---|---|
| Density | 0.941 – 0.965 g/cm³ |
| Tensile Strength | ≥ 26 MPa |
| Flexural Modulus | 800 – 1200 MPa |
| Elongation at Break | ≥ 500% |
| Ring Stiffness (SN Rating) | SN4, SN8 |
| Impact Resistance | High |
| Thermal Operating Range | -40°C to +80°C |
| UV Resistance | Excellent (Carbon Black Stabilized) |
| Life Expectancy | 50+ years |
Synergy also offers project-specific customization, on-site support, and technical consultancy to EPC contractors, municipal bodies, and infrastructure developers. Their technical expertise, wide product range, and efficient logistics system have positioned them as a trusted supplier of ID 400 mm DWC Pipes in both domestic and international markets.
Exporting Steel Pipes & Tubes to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.

