Home > Duplex Steel > Duplex Steel Check Valve
Xuan Nickel Alloys, located in Da Nang, Vietnam, has built a solid reputation as a reliable manufacturer and supplier of top-notch Duplex Steel products. They cater to clients around the globe with precision-engineered solutions. Known for their high-performance valves and fittings, the company prioritizes durability, efficiency, and reliability, especially in demanding industries. As a Duplex Steel Check Valve Manufacturer in Dubai, UAE, Xuan Nickel Alloys offers premium products designed to manage flow and resist corrosion, even in harsh environments, all while adhering to international standards and exceeding client expectations through exceptional engineering and consistent quality.
Duplex Steel Check Valves are crafted from a well-balanced blend of austenitic and ferritic stainless steels, featuring about 22% chromium, 5–6% nickel, 3% molybdenum, and some trace elements. This unique composition significantly boosts corrosion resistance, particularly against stress corrosion cracking and pitting. These valves boast impressive mechanical properties, with a tensile strength of around 620 MPa, yield strength near 450 MPa, and remarkable fatigue resistance. Their duplex microstructure lends them superior toughness, hardness, and wear resistance, making them incredibly reliable for high-pressure and high-temperature applications across various industrial sectors.
| Pressure rating | 150#,300#,600#,800#,1500# |
| Standards | API 600/BS1414,ASME B 16.25, ASME B 16.10, ASME B 16.5, API 598/BS EN 12266-1,ASME B 16.34 |
| End Connection | Flanged End,Screwed [NPT],Screwed Taper,Socket Weld, Screwed Parallel |
| Size | 1/8” to 16” |
| Grade | C | Mn | S | Cr | Si | P | Mo | Ni | Fe | N |
| Duplex Steel Check Valve | 0.030 max | 2.00 max | 0.020 max | 22.0–23.0 | 1.00 max | 0.030 max | 3.0–3.5 | 4.50–6.50 | 63.72 min | 0.14–0.20 |
| Grade | Density (g/cm 3) | Melting Point (°F) | Density (lb/in 3) | Melting Point (°C) |
| Duplex Steel Check Valve | 7.805 | 2588 – 2669 | 0.285 | 1420 – 1465 |
At Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Check Valve in Da Nang, Vietnam, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Vietnam, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel Check Valves find their place in critical industries where corrosion resistance and mechanical strength are non-negotiable. They are widely used in both offshore and onshore oil and gas sectors, petrochemical plants, desalination units, and marine environments for fluid control under challenging conditions. Power generation plants, water treatment facilities, and chemical processing industries also reap the benefits of their durability and leak-proof performance. In Dubai, UAE, these valves are highly sought after for their efficiency, long lifespan, and ability to endure extreme environments, ensuring smooth and safe operations across a range of engineering applications.
