Home > Super Duplex Steel > Super Duplex Needle Valve
Aisha Nickel Alloys is a leading manufacturer and supplier of Super Duplex needle valves in Muscat, OMAN. Our Super Duplex needle valves are designed to deliver outstanding strength, durability, and corrosion resistance, making them perfect for demanding industrial applications. Engineered to withstand high pressures and aggressive chemicals, these valves excel in environments such as chemical processing, marine, oil and gas, and power generation industries. We maintain stringent quality standards to ensure each valve meets rigorous industry requirements for reliability and long-term performance. Choose Aisha Nickel Alloys for premium Super Duplex needle valves that offer superior mechanical properties and precise control tailored to your specific needs.
A Super Duplex Needle Valve is a highly specialized device that expertly controls the flow of fluids and gases, especially in tough environments where corrosion and high pressure are a concern. Made from super duplex stainless steel, this valve combines impressive strength, durability, and resistance to corrosion. Its finely threaded stem allows for precise flow rate adjustments, making it perfect for critical control tasks. The sturdy design guarantees leak-free operation, a long lifespan, and reliability in demanding industrial settings, particularly where safety and accuracy are paramount.
| 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 |
| Grade | S32760 | S32750 |
| Mn | 1.00 max | 1.20 max |
| Fe | 57.61 min | 58.095 min |
| C | 0.05 max | 0.030 max |
| Si | 1.00 max | 0.80 max |
| S | 0.010 max | 0.020 max |
| P | 0.030 max | 0.035 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| Mo | 3.00 – 4.00 | 3.00 – 5.00 |
| N | 0.20 – 0.30 | 0.24 – 0.32 |
| Melting Point (°C) | 1350 |
| Density (lb/in 3) | 0.281 |
| Density (g/cm 3) | 7.8 |
| Melting Point (°F) | 2460 |
The super duplex material used in these needle valves boasts a well-balanced mix of austenitic and ferritic microstructures, which gives it exceptional mechanical strength and corrosion resistance. With high amounts of chromium, molybdenum, nickel, and nitrogen, the valve effectively resists pitting, crevice corrosion, and stress corrosion cracking, even in aggressive, chloride-rich environments. On the mechanical side, Super Duplex Needle Valves can handle high operating pressures and temperature fluctuations while maintaining excellent toughness and fatigue resistance, ensuring they perform consistently, whether under continuous or cyclic conditions.
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These valves are commonly found in various industries, including oil and gas, petrochemical, chemical processing, offshore platforms, power generation, and marine applications. They excel at controlling flow in instrumentation lines, hydraulic systems, sampling lines, and high-pressure pipelines. Their reliability in seawater, acidic environments, and harsh process fluids makes them the go-to choice for critical flow control applications where precision, safety, and long-term reliability are essential.
