Sangir extensively manufactures and supplies PVDF piping systems globally for acid handling and is an end-to-end solution provider for your demanding applications. Our installation teams have successfully executed several projects and have many hours under their belt to help you navigate through the most intricate jobs. Sangir’s engineered Kynar PVDF piping follows DVS 2207 & ASTM D3222 standards. PVDF piping can be joined by socket fusion, butt fusion, or non-contact IR fusion depending on the specifications. Read more before specifying the joining method for your next project.
Gujarat has a long coastline of 1,600km, and to meet the growing need for water resources, the state has increasingly adopted desalination technology in recent years. With a capacity of 100 million liters per day, this plant will help supplement the current water supply coming from the Narmada River and a canal, with desalinated seawater. Sangir was selected to produce the diffuser for the outfall pipeline of the Dahej desalination plant. The outfall diffuser required was a massive size of 1,200mm in diameter and 44m in length, making it technically demanding to produce without sacrificing structural integrity and strength.
MEETING THE CHALLENGES OF DESALINATION BRINE DISCHARGE
Desalination produces large quantities of brine and chemicals as by-products, which need to be diluted before being discharged back into the sea, to limit the environmental impact. One such method is to mix it via a diffuser in a mixing zone at the end of an outfall pipeline. For example, once a pipeline containing the brine reaches the sea floor, it can split into many branches, each releasing brine gradually through duckbilled valves. However, diffusers made of conventional materials such as steel are extremely costly, heavy, and prone to corrosion, whilst other materials such as glass-reinforced plastic (GRP) may undermine the integrity of the diffuser assembly.
A SUSTAINABLE, RELIABLE CHOICE FOR DESALINATION OUTFALL PIPES
Sangir Plastics Pvt Ltd, a leading manufacturer of piping solutions in India, was selected to produce the diffuser for the outfall pipeline of the Dahej desalination plant. The outfall diffuser required was a massive size of 1,200mm in diameter and 44m in length, making it technically demanding to produce without sacrificing structural integrity and strength. Having used BorSafe™ HE3490-LS PE100 material successfully for 17 years in numerous intake and outfall lines projects, Sangir Plastics chose it once again for its reliability, to accomplish this rigorous task.
It has been a big feather in the cap for Sangir, an achievement in completion of the bridge drainage project for The Mumbai Trans Harbour Link – MTHL. An innovative and hybrid drainage system was provided for removal and disposal of rain/storm water getting accumulated on the MTHL Bridge, whose span is majorly over the Sea, spanning across the coastal waters of the Arabian Sea, Linking one part of the Mumbai city to another.
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