Duplex Steel Valves

M Metal Tubes India Pvt Ltd, with over 40 years of industrial excellence, is a leading manufacturer and exporter of Duplex Steel UNS S31803 Valves. We specialize in producing high-performance valves designed to perform in the most demanding industries including oil & gas, petrochemical, power generation, and marine applications.

Why Duplex Steel UNS S31803?

Duplex Steel UNS S31803 (WNR 1.4462) is a balanced austenitic-ferritic alloy, offering the best of both worlds — high strength and superior resistance to stress corrosion cracking, pitting, and crevice corrosion. These properties make our ASTM A351 / A494 Duplex Valves ideal for aggressive environments.

Our Duplex Steel Valve Range

We manufacture and supply a wide variety of Duplex Steel UNS S31803 valves in various types and end connections to meet specific industrial needs:

• Needle Valves – Precision-controlled flow, ideal for instrumentation applications.
• Ball Valves – Available in mini, flanged, socket weld, and threaded types for easy operation and tight shut-off.
• Check Valves / Non Return Valves – Prevent backflow and maintain system efficiency.
• Double Block & Bleed Valves – Ensures system isolation and safety in critical processes.
• Manifold Valves (2, 3, 5 Way) – Streamline fluid control systems in process industries.
• Butterfly Valves – Lightweight and efficient for large flow regulation tasks.

Key Features

• ASTM A351 / A494 grade certified
• High resistance to chloride-induced corrosion
• Wide operating temperature and pressure range
• Excellent mechanical strength and durability
• Available in butt weld, socket weld, and threaded end types

Industries Served

Our UNS S31803 Duplex Valves are widely used in:

• Oil & Gas Industry
• Chemical and Petrochemical Plants
• Power Generation
• Marine and Offshore Applications
• Water Treatment and Desalination
• Pulp & Paper Processing

Quality Assurance

As an ISO-certified company, M Metal Tubes India Pvt Ltd follows strict quality procedures. Each valve undergoes rigorous testing, ensuring compliance with international standards. Our experienced team ensures only the highest quality valves are shipped to our customers worldwide.

We believe in delivering reliability and durability with every product. Looking for a dependable Duplex Steel Valve Supplier? Get in touch with us today for the best quote.

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