Diamond Engineering Works, Kolkata

We are engaged in the fabrication of back up flanges with superior features. The back up flanges have a shape of bell that facilitates the process of increasing concentrated pressure on the tips of the teeth on the clinch ring. By achieving this physical process, we eliminate the chance of any catastrophic buff failures. Our back up flanges are extremely durable and can be customized.

We manufacture blind flanges from carbon steel of the finest grade. The blind flanges are popularly used to close the ends of pipes, valves, pressure vessel openings and other channels where one end needs to be blanked off. Each of our blind flange proudly bears our quality pledge and is highly durable. Our blind flanges can be customized on size, thickness, or any other parameter that the client might feel suitable.

We manufacture and supply quality lap joint flanges that have gained impressive response from the market. The superior feature of our lap joint flange is that the bolt holes can be aligned with the matching flange even after completion of welding. It is widely used in systems that need frequent cleaning or inspection. The lap joints are made of high merit carbon steel and can be customized as per the drawings or brief of the clients.

We fabricate raised face flanges that need minimum fabrication work for mating them with flat face flanges. Our raised face flanges are meticulously engineered and speaks a ton about our quality. Reputed in the market for accuracy, we also offer them at very competitive prices. These raised- face flanges are customized to the exact client specifications.

We manufacture superior quality slip on flanges from the best carbon steel in the industry. Manufactured to perfection, our slip on flanges are best suited for all applications that include low pressure. The accuracy with which we fabricate our slip on flanges, there is no or little need to fit & weld, further decreasing the investment on fabrication. We also have the ability to manufacture these flanges to the specific requirements of the clients.

We manufacture quality socket weld flanges. These are used by boring them into the pipe to the ID of the pipe and then counter boring them to the OD of the pipe to allow pipes to be inserted and welded in place. Made of premium carbon steels, our socket weld flanges are used for smaller high pressure systems.

We fabricate weld neck flanges that can be machined with the wall thickness of the flange having the same dimensions of the matching pipe. Used to weld the joint to provide extra strength, these flanges are usually used in high-pressure and extreme temperature applications. Durable and precision engineered, our weld neck flanges can be fabricated to the specific diameter or other dimensions.