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Xuan Nickel Alloys, located in Da Nang, Vietnam, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Duplex Needle Valves on a global scale. As a prominent Duplex Needle Valve Manufacturer in Dubai, UAE, the company is dedicated to precision engineering, durability, and reliability, catering to a wide range of industrial needs. With a strong focus on innovation and adherence to international quality standards, Xuan Nickel Alloys crafts products that excel in high-performance fluid control, especially in critical environments. Their valves are highly regarded for their exceptional corrosion resistance, structural integrity, and long-lasting service across various sectors.
The Duplex Needle Valves produced in Dubai, UAE, feature a unique dual-phase microstructure that balances austenite and ferrite, providing remarkable corrosion resistance and strength. Typically, their composition includes chromium (22–23%), nickel (4–6%), molybdenum (3–5%), and trace amounts of nitrogen, which enhance toughness and resistance to pitting. These valves boast impressive mechanical properties, with tensile strength ranging from 620–850 MPa, high yield strength, and outstanding fatigue resistance. Their well-balanced structure significantly improves resistance to stress corrosion cracking, ensuring reliability even in tough operating conditions.
| VALVES SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| STANDARD | ASME B 16.10, BS1414/API 600, ASME B 16.5, BS EN 12266-1/API 598, ASME B 16.34, ASTM A890 4A, ASME B 16.25 |
| CONNECTION | TUBE END, THREADED, SOCKET WELD, BUTT WELD, FLANGED, WELD NIPPLE, SAE |
| THREAD | METRIC, BSPP, NPT, JIC, BSPT, UNF |
| FUNCTION | 2 , 5 , 4 , 3 WAY, |
| MATERIAL OF SEAL RING | PVDF, DELRIN, GRAPHITE, PTFE, PEEK, |
| PRESSURE RATING | 15000 , 3000, 1500 , 10000, 6000 , 20000 PSI |
| TEMPERATURE OF MEDIA | (-120* C – 500*C ) AS LIKE PRESSURE RANGE |
| STANDARD | DIN , ISO , API , ANSI , AWWA , ASME , MSS |
| MEDIA | AIR, CHEMICAL, GAS, WATER, STEAM, HOT WATER , HYDRAULIC OIL, COLD WATER, SEA WATER |
| TYPE OF BODY | BAR STOCK |
| EQUIVALENT BRANDS | OLIVER VALVES, PARKER, SWAGELOK, HAMLET, DK-LOK, HOKE |
| PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| ELEMENT | DUPLEX 31803 | DUPLEX 2205 |
|---|---|---|
| NI | 4.50 – 6.50 | 4.50 – 6.50 |
| C | 0.030 max | 0.030 max |
| N | 0.14 – 0.20 | 0.08 – 0.20 |
| P | 0.030 max | 0.030 max |
| MN | 2.00 max | 2.00 max |
| CR | 22.0 – 23.0 | 21.0 – 23.0 |
| S | 0.020 max | 0.20 max |
| MO | 3.0 – 3.5 | 2.50 – 3.50 |
| SI | 1.00 max | 1.00 max |
| FE | 63.72 min | 63.54 min |
| Grade | % Elongation | YS (MPa) | Hardness(BHN) | UTS (MPa) |
| 31803 | 25 min. | 450 min. | 293 max. | 620 min. |
| 2205 | 25 min. | 450 min. | 293 max. | 655 min. |
At Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Needle 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 Needle Valves from Dubai, UAE, find extensive use in industries that require precise fluid regulation under high pressure and temperature. They are essential in the oil and gas sector for managing corrosive fluids, in chemical processing plants for dealing with aggressive chemicals, and in marine applications for seawater systems. Additionally, power generation facilities, desalination plants, and the pulp and paper industry depend on these valves for their durability and leak-proof performance. Their excellent resistance to chloride-induced corrosion makes them particularly suitable for offshore and harsh industrial settings.
