Duplex Steel Valve Manufacturer in India
Duplex Steel Valve Manufacturer in India
At Speciality Valve, we redefine excellence in duplex steel valve manufacturing. Count on us for top-quality valves designed to optimize flow efficiency and safeguard your industrial processes.

Speciality Valve holds the top position as a premier Duplex steel valve manufacturer in India, serving regions such as Tamil Nadu, Uttar Pradesh, and Gujarat. A duplex steel valve, crafted from "duplex stainless steel," combines the corrosion resistance of austenitic stainless steel with the durability of ferritic stainless steel, achieving a unique balance of strength and corrosion resistance.


What is a Duplex Steel Valve?

A Duplex Steel Valve is a type of valve made from duplex stainless steel, which is a remarkable alloy with a unique metallurgical structure. Duplex stainless steel contains austenitic and ferritic phases in nearly equal proportions. This dual-phase structure provides a balance of strength, corrosion resistance, and durability. This valve is more  well suited for changing environment.



Duplex Steel Ball Valve: Ideal for high-performance applications, providing reliable shut-off and control with corrosion-resistant duplex steel construction.

Duplex Steel Butterfly Valve: Ensures efficient flow control in large-diameter pipelines and corrosive fluid applications, offering low pressure drop and quick operation.

Duplex Steel Check Valve: Prevents backflow in corrosive and high-pressure environments, safeguarding pumps and pipelines with reliable unidirectional flow control.

Duplex Steel Gate Valve: Designed for high-pressure and corrosive environments, offering tight shut-off through a sliding gate mechanism for reliable isolation.

Duplex Steel Globe Valve: Features a linear motion disk for precise throttling and control of fluid flow, suitable for accurate regulation in corrosive conditions.



Excellent corrosion resistance

Higher strength compared to austenitic stainless steel, suitable for elevated pressure and temperature conditions

Good toughness and ductility

Superior resistance to pitting and crevice corrosion

Resistance to abrasion, making them suitable for handling solid particles or abrasive materials

Weldable using conventional methods

Long service life

Versatile applications across diverse industries


Industrial usage of Duplex Steel Valve:

Oil and Gas Industry:  They ensure reliable performance in critical applications, handling corrosive fluids and extreme conditions.

Petrochemical Industry: They play a vital role in chemical processing, providing durability and resistance to harsh chemicals.

Chemical Processing Industry: We offer superior corrosion resistance and strength, making them essential for various chemical processes.

Desalination Plants: These valves contribute to the efficient operation of desalination plants, handling corrosive seawater with high strength.

Marine and Offshore Industry: Corrosion-resistant duplex steel valves are crucial for marine applications, ensuring safety and longevity in harsh marine environments.

Power Generation Industry: Duplex steel valves contribute to the integrity of power generation systems, handling high pressures and ensuring reliable operation.

Pulp and Paper Industry: They provide corrosion resistance and durability in pulp and paper manufacturing processes.

Water and Wastewater Treatment Plants: These valves are essential for reliable performance in water treatment applications, handling corrosive liquids.

Mining Industry: These valves play a critical role in mining operations, providing durability and resistance to abrasive materials.

Aerospace Industry: We ensure the safety and reliability of aerospace applications, handling extreme conditions with high strength.

Automotive Industry: They contribute to manufacturing processes in the automotive industry, ensuring durability and resistance to corrosive fluids.



Body Material: Duplex Steel (F51, F53, 4A, 5A), ASTM A995, A890

Class: 150 to 2500.

Pressure: PN25 to PN450.

Size: ½” to 72”.

Operations: Lever operated, Handwheel operated, Pneumatic actuated, Electric actuated

Visit us: https://www.specialityvalve.com/product-category/duplex-steel-valve/

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