Ductile iron pipes play a pivotal role in modern infrastructure, offering numerous advantages that make them indispensable in various applications. Their strength, durability, and flexibility make them the preferred choice for water supply, sewage systems, industrial processes, and more.
Strength and Flexibility
Made from iron, these pipes can withstand high pressures and heavy loads, making them ideal for transporting water and other fluids over long distances. Their robust construction ensures a long service life, often exceeding 50 years, which reduces the need for frequent replacements and repairs. This longevity translates into significant cost savings for municipalities and industries alike.
Unlike more rigid materials, ductile iron can bend slightly under pressure without breaking. This flexibility is crucial in areas prone to ground movement or seismic activity, as it allows the pipes to absorb and adapt to changes in the environment without compromising their integrity. This resilience helps prevent leaks and breaks, ensuring a reliable supply of water and other fluids.
Corrosion Resistance and Economic Benefits
Another important attribute of ductile iron pipes is their resistance to corrosion. Modern ductile iron pipes are often coated with protective layers, such as zinc or epoxy, which shield them from the corrosive effects of soil and water. This resistance to corrosion further enhances their durability and reliability, making them suitable for use in a variety of environments, including those with aggressive soil conditions or harsh water quality.
The long service life and low maintenance requirements of ductile iron pipes reduce the overall lifecycle costs of infrastructure projects. Moreover, their ease of installation and reliability decrease the likelihood of costly repairs and service interruptions. Environmentally, ductile iron pipes are a sustainable choice; they are often made from recycled materials and are fully recyclable at the end of their useful life, contributing to resource conservation and waste reduction.
Kejriwal – a name synonymous with Ductile Iron Products
Kejriwal Castings Ltd. has almost 70 years of experience in manufacturing cast iron products. Besides ductile iron pipes, Kejriwal also manufactures fittings, valves, fire hydrants, and sanitary municipal castings for India and abroad markets. This endeavour began in the late nineteen-fifties and has continued to grow through sheer will to excel, aiming to remain the first choice of the customer.
Kejriwal is committed to producing quality products consistently and on schedule to the satisfaction of all its customers. Kejriwal focuses on continuous improvement and operational excellence in their manufacturing processes, systems, products, and people. They offer a comprehensive range of ductile iron products and are involved in the entire water and wastewater sectors value chain. Their priorities include technology and innovation, efficient energy management, pollution control, safety and health management, and equal opportunities to all their employees. They operate state-of-the-art manufacturing plants in Durgapur and Howrah in West Bengal, India.
- Founder’s Vision
Since 1956, Kejriwal’s founder Shri B. P Kejriwal’s vision has fuelled their success, prioritising innovation and imagination. With a passion for quality and ethical practices, they have led the industry. Embracing cutting-edge technologies and customer-centric values, they make a positive impact on lives and communities. The founder’s legacy drives them forward, embracing challenges with a promising future ahead. Presently the Company is headed by Shri Sanjay Kejriwal: Chairman, Shri Sandip Kejriwal: Managing Director, and Shri Rajeev Kejriwal: Joint Managing Director. The third generation of the promoting family is already in the business: Shri Rishab Kejriwal looking after the Operations and Shri Yash Kejriwal looking after Business Development.
- The Kejriwal Timeline
- 1956: The journey started with the first joint foundry set up at Belur at Howrah in West Bengal.
- 1991: The foundation stone was laid for Kejriwal Castings.
- 1994: Entered the international market.
- 1996: Established a new foundry.
- 1999: Pioneered manufacturing of ductile iron products using a cupola furnace.
- 2004: Shifted the foundry to a new location to enhance capacity and incorporate new technologies, including a gradual shift from rotary to induction furnace.
- 2014: Established additional facilities for machine moulding, increasing capacity, and meeting stringent international standards.
- 2020: Set up another unit at Durgapur, becoming the 9th manufacturer of ductile iron pipes in India; first international dispatch of ductile iron pipes.
- 2021: Moved towards green iron and reduced carbon footprint by installing a 1.4MW solar power plant unit at Howrah.
- 2023: Enhancing solar power generation from 1.3 MW to 2.8 MW at Durgapur.
- 2024: Expanding by setting up a DI pipe plant overseas, PVC O pipe plant and venturing into other fields such as ductile iron pipe mould plant, magnesium ingot plant, and a biodiesel plant.
- Kejriwal’s Range of Products
| Pipes | Fittings | Valves | Others |
| Socket & Spigot pipes with flexible push-on joints | Flanged & Socketed end fittings | Sluice/Penstock Gates | Fire Hydrants – Underground |
| Double Chambered Restrained joint pipes | Mechanical Collar couplings | Sluice Valves | Fire Hydrants (Dry Barrel) |
| Mechanical Gland type restrained joint pipes | Dismantling joints | Non-return Valves | Fire Hydrants – Stand Post |
| Flanged pipes | Expansion Joints | Butterfly Valves | Fire Hydrants (Wet Barrel) |
| Plain End pipes | MS Patch clamps | Air Valves | Manhole Covers |
| Weld Bead pipes | Socket Leak Repair clamps | Pressure Relief Valves | Surface Boxes |
| Jacking pipes | Flanged & Socketed adaptors | Strainers | |
| Restrained type fittings with locks & bolts | |||
| Mechanical Joint fittings |
- Applications
- Raw Water Mains, Clear Water Mains, and Distribution Network of Potable Water
- Water Supply for Industrial/Process Plant Applications
- Ash-Slurry Handling & Disposal System
- Fire-fighting Systems – on-shore and off-shore
- Desalinated Water Mains
- Sewerage and Wastewater Force Main
- Storm Water Drainage Piping
- Effluent Disposal System
- Recycling System
- Piping work inside Water and Sewage Treatment Plants
- Vertical connection to Utilities and Reservoirs
- Piling for Ground Stabilization
- Protective Piping under Major Carriageways
- Trenchless Applications
- Manhole Covers for Underground Vaults
- Valves for Different Flows or Restriction of Water
- Fire Hydrants for Fire Protection Systems
- Kejriwal’s International Markets
| Singapore | Brazil | Oman |
| Philippines | Bhutan | Zanzibar |
| Qatar | UAE | UK |
| Malawi | Saudi Arabia | Georgia |
| Cambodia | Tanzania | Nepal |
| Mauritius | Jordan | Spain |
| Vietnam | Durban | Turkey |
| Bahrain | Seychelles | Oman |
- Kejriwal’s Certifications
- ISO 9001:2008 certification from Bureau VERITAS
- ISO 14001:2015 certification from Bureau VERITAS
- ISO 45001:2018 certification from Bureau VERITAS
- DNV product conformity for all their range of products
- Capability certificate from SGS
- Certification from UAE Agricultural department
- Certification from GCC countries, Iraq, Syria, Yemen,& African countries including Ethiopia, Algeria, Sierra Leone, Tanzania, Mozambique, and Malawi
- Certification from Indian sub-continent countries including Sri Lanka, Bangladesh, Bhutan, Nepal, Mauritius, and Seychelles
- Certification from South East Asian countries including Vietnam, Laos, and Myanmar
- Certification from Major Water Boards in India
- Certification from Major Public Health Engineering Departments in India
- Certification from Major Municipal Corporations and Water Authorities in India
- Certification from Major Steel Plants including SAIL, IISCO, and TISCO
- Certification from Nuclear Power Corporation of India
- Certification from NTPC (National Thermal Power Corporation)
- Holder of 10 ISI Licenses from Bureau of Indian Standards in Pipes, Fittings & Valves Categories
- Certification from National Accreditation Board for Testing & Calibrations Laboratories
- Registered with the Federation of Indian Export Organisations
- Registered with Business Associations like, CII, ICC, FICCI, & ASSOCHAM
- Significant Performance Certificates
- Arid Land Development Trading Co. LLC – Abu Dhabi, UAE
- Green Ray International Limited – UK
- Quality Approval Certificate – Bhutan
- Hyderabad Metropolitan Water Supply & Sewerage Board – India
- Bangalore Water Supply & Sewerage Board – India
- Shri Ram EPC Limited – India
Important Performance Certificates received from the Government of West Bengal:
- West Bengal Public Health Engineering Department
- Midnapore Municipality
- SE(West Circle) Municipal Engineering Directorate for Bolpur Municipal Area
- SE(Central Circle) Municipal Engineering Directorate for Dhuliyan Municipal Area
- Asansol Municipal Corporation
- Durgapur Municipal Corporation
- Darjeeling Municipality
- Jalpaiguri Municipality
- Coochbehar Municipality
- Raiganj Municipality
- English Bazar Municipality
- Burdwan Municipality
- Suri Municipality
- Diamond Harbour Municipality
- Jainagar Municipality
- Panskura Municipality
- Office of the Councillors of Tamluk Municipality
- Board of Councillors, Chandrakona Municipality
- Balurghat Municipality
- Kalna Municipality
- A Few Recognitions
- Calcutta Chaurasia Welfare Society (Samaj Seva Samman) – 2019
- Appreciated by Indian Water Works Association for Sustainable Management of Water & Wastewater Latest Developments – 2024
- FOSMI award for Contribution to the Federation – 2018
- Appreciated for National Conference on Biopolymers & Green Composites – 2023
- CII Encon Energy Conservation Award – 2023
- Certified for installing Tata Power Solar Projects at Howrah & Durgapur
- Calcutta Maha Marathon Run – 2023
- Achieved Spirit of the Entrepreneur Award for Innovation & Excellence, inspiring the Next Generation of World Leaders
- Appreciated for participating in the ICC North East Water Conclave – 2022
- Appreciated for participating in the ICC Water & Wastewater Innovation Summit– 2024
- Appreciated for participating in the CII National Corrosion Management Practices– 2024
