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Water Transmission Applications Using Welded Pipes (IS 3589 / API 5L for Water Service)

Water transmission pipelines are designed to transport raw water, potable water, treated water, cooling water, irrigation water, and municipal distribution supply across long distances. These pipelines operate under moderate to high pressure, varying flow rates, and continuous service cycles, making reliability and durability crucial.

Welded pipes manufactured to IS 3589 (Grades FE330/FE410) and API 5L (Grades B, X42, X52 for water service) are widely used for water transmission systems. These pipes provide:

  • High structural strength
  • Excellent weld integrity
  • Smooth internal flow characteristics
  • Long life for continuous water supply
  • Compatibility with external coatings like 3LPE, epoxy & cement mortar lining

Water transmission networks form the backbone of municipal water supply, infrastructure development, irrigation, and industrial water utilities.

Table of Contents

What Water Transmission Service Means

Water transmission pipelines are used in:

  • Long-distance bulk water movement
  • River-to-plant water supply lines
  • City water distribution networks
  • Industrial raw water intake
  • Cooling water systems
  • Irrigation & agricultural pipelines
  • Desalination-to-city supply lines

These pipelines must withstand:

Varying flow pressures
Internal corrosion (depending on water chemistry)
External soil corrosion
Buried pipeline load & vibration
Surge/pressure hammer
Long continuous operation cycles

IS 3589 / API 5L welded pipes are engineered to meet all these requirements.

Why Welded Pipes for Water Transmission?

Welded pipes are preferred because they offer:

  • Large diameters (up to 2.5m)
  • Long length advantage → fewer joints
  • High reliability for underground installation
  • Uniform roundness for smooth water flow
  • Excellent weld quality & NDT assurance
  • Coating compatibility (3LPE / Cement Lining / Epoxy)
  • Cost-efficient long-distance pipeline construction

Their durability ensures a stable water supply for cities, industries & irrigation networks.

Industry Demand Overview

Water transmission welded pipes are widely used in:

  • Municipal water supply boards
  • Urban drinking water distribution
  • Smart City water infrastructure projects
  • Irrigation & agricultural water supply
  • Industrial utility systems
  • Cooling water lines for power & process plants
  • Desalination plant outlet pipelines

Demand continues to grow with rapid urbanization and development projects.

Application Matrix — Water Transmission (IS 3589 / API 5l)

Raw Water Intake Lines River water, lake water Heavy-duty durability for bulk transport
Treated Water Pipelines Filtered water Smooth flow & corrosion protection
Municipal Distribution Lines Potable water Long service life underground
Cooling Water Systems Industrial cooling water Continuous circulation reliability
Irrigation Pipelines Agricultural water Large diameter & economical installation
Desalination Plant Pipelines RO treated & seawater Corrosion-controlled performance
Industrial Water Supply Utility water Sturdy welded construction
Fire Water Mains Pressurized water Pressure handling & emergency reliability

Application-Wise Explanation

Raw Water Intake & River Transmission Lines

Used to move large volumes of water from natural sources to treatment plants.
IS 3589 welded pipes provide strength and long-distance feasibility.

Treated Water Supply Pipelines

After filtration or treatment, water is transported through coated welded pipes to distribution networks.
Smooth bore surfaces improve flow efficiency.

City / Municipal Water Distribution Networks

Used for potable water grids, elevated tank connections, and underground supply systems.
These pipes withstand pressure cycles and corrosion.

Industrial Cooling Water Lines

Used in:

  • Power plants
  • Refineries
  • Petrochemical plants
  • Steel mills

High flow and heavy circulation demand strong structural welded pipes.

Irrigation & Agricultural Pipelines

Large diameter welded pipes deliver water to farmlands under gravity and pump-based systems.

Desalination Plant Water Lines

Used for:

  • Seawater intake
  • Treated water supply to the grid
  • Brine discharge systems

API 5L/IS 3589 pipes with anti-corrosion coatings provide long-term service.

Fire Water Networks

Used in industrial and commercial facilities.
Need:

  • Pressure stability
  • Emergency reliability
  • Long-lasting welded joints

General Industrial Water Piping

Used for boilers, cooling towers, process water, and general service utilities.

Industries Using Water Transmission Welded Pipes

Industry Application
Municipal Water Boards Drinking water supply
Smart City Projects Underground water networks
Agriculture & Irrigation Bulk water pipelines
Power Plants Cooling water circuits
Refineries & Petrochemicals Utility water networks
Desalination Plants Treated water lines
Industrial Facilities Process & utility water
Fire Protection Systems Fire water mains

Packaging & Dispatch

  1. Steel strapped bundles
  2. HDPE wrapping
  3. Cement mortar lining (optional)
  4. Epoxy / 3LPE external coating
  5. End caps for protection
  6. Dispatch ports: JNPT • Mundra • Hazira

Contact Inox Steel India

Need welded pipes for water transmission lines?

IS 3589 & API 5L water service
Cement mortar / epoxy / 3LPE coatings
Large diameter availability
Project-based supply support

Inox Steel India

52-A, Mulji Thackersi Bldg, Islampura Street, Shop No. 10, Near Alankar Cinema, Mumbai – 400 004

Email

alloy@inoxsteelindia.in, steel@inoxsteelindia.in

Phone

+91 9930796690

Frequently Asked Questions (FAQs)

Yes — coated pipes are used for safe potable water delivery. 

Yes — cement mortar or epoxy lining improves flow and corrosion resistance.

Municipal supply networks, irrigation, industrial cooling, raw water intake, and desalination plants.

Yes — they are designed for buried pipeline installation with coatings.

Applications of IS 3589 and API 5L welded pipes in municipal water supply, irrigation, cooling water systems, and industrial water transmission.