Super Duplex Check Valve Manufacturer in India

Specialityvalve is a top Super Duplex Check Valve Manufacturer in India.  A super duplex check valve is a specific type of check valve that is made from a material known as “super duplex stainless steel.” Duplex stainless steels are a family of stainless steels that have a mixed microstructure, consisting of both austenite and ferrite phases. The super duplex grade provides even higher corrosion resistance and mechanical strength compared to standard duplex stainless steels. A check valve, also known as a non-return valve or one-way valve, is a mechanical device designed to allow fluid (liquid or gas) to flow in one direction only. It prevents backflow, ensuring that the flow moves in the desired direction and prevents any reverse flow or pressure reversal. These valves are particularly useful in industries and applications where high corrosion resistance and strength are required, such as offshore oil and gas production, petrochemical processing, chemical plants, desalination plants, and marine environments. These valves can handle harsh and corrosive fluids and are well-suited for challenging operating conditions.

Advantages

• Corrosion resistance
• Strength and durability
• Resistance to stress corrosion cracking
• Abrasion resistance
• Versatility
• Reduced maintenance
• Leakage prevention
• Long service life

Industries

• Oil and Gas
• Petrochemical Processing
• Chemical Processing
• Desalination Plants
• Marine Industry
• Water and Wastewater Treatment
• Power Generation
• Mining
• Pulp and Paper
• Aerospace

Types

• Super Duplex Swing Check valve
• Super Duplex Dual Plate Check Valve
• Super Duplex Single Plate Check Valve
• Super Duplex Lift Check Valve

Description:

• Available Materials: SS2328, SAF 2507(UNS S32750, F53), S32760( F55), UNS S32550, F61
• Size: 1/8″- 24”
• Class: 150 to 2500
• Nominal Pressure: PN6 to PN300
• Operations: Gear operated, Hand wheel operated, lever operated, pneumatic actuated, electric actuated
• Ends: Flanged, socket weld, butt weld, wafer, lug