Home > Super Duplex Steel > Super Duplex Needle Valve
Marsh Nickel Alloys is a leading manufacturer and supplier of Super Duplex needle valves in Canberra, Australia. 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. ChooseMarsh Nickel Alloys for premium Super Duplex needle valves that offer superior mechanical properties and precise control tailored to your specific needs.
Marsh Nickel Alloys, located in Canberra, Australia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Super Duplex Needle Valves. These valves are crafted for precision control and outstanding performance, even in the toughest environments. Renowned for their exceptional strength, resistance to corrosion, and long-lasting durability, they are produced using cutting-edge techniques and rigorous quality checks to comply with international standards. Super Duplex Needle Valves from Marsh Nickel Alloys are perfect for sectors like oil and gas, chemical processing, desalination, and marine engineering, where dependable flow regulation and the ability to withstand harsh chemicals or high-pressure situations are crucial.
| 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 |
These valves are constructed from a meticulously balanced microstructure of austenite and ferrite, enhanced with chromium, molybdenum, nickel, and nitrogen. This unique blend gives them remarkable mechanical properties, such as high tensile strength, toughness, and resistance to fatigue. They also boast excellent protection against pitting, crevice corrosion, and chloride-induced stress corrosion cracking, making them ideal for aggressive chemical environments and high-temperature applications. Each valve is precisely machined and rigorously tested to guarantee accurate flow control, leak-tight performance, and long-term reliability in critical systems.
Contact us to get a quick quote for your requirement.
Super Duplex Needle Valves find extensive use in industries that demand precise flow regulation and corrosion-resistant components. In the oil and gas industry, they manage fluid flow in pipelines, wellheads, and subsea equipment that are exposed to seawater and harsh chemicals. The chemical and petrochemical sectors utilize them in reactors, process piping, and pressure vessels that handle corrosive fluids. They are also essential in desalination plants, marine applications, and power generation systems, where durability and reliability are paramount. Their blend of high performance, corrosion resistance, and mechanical strength ensures they operate dependably in challenging industrial settings.