Home > Super Duplex Steel > Super Duplex Needle Valve
Okoye Nickel Alloys is a well-respected manufacturer and supplier of high-performance Super Duplex Needle Valves based in Kinshasa, Congo. With a strong emphasis on quality, innovation, and precision engineering, the company provides valves that meet the rigorous demands of various industrial applications. Their Super Duplex Needle Valves are made using cutting-edge manufacturing techniques, ensuring outstanding durability, corrosion resistance, and reliable flow control. Backed by a team of skilled professionals and stringent quality standards, Okoye Nickel Alloys consistently delivers products that perform effectively even in challenging environments. Their dedication to customer satisfaction and prompt delivery has made them a go-to supplier in Kinshasa and beyond.
Super Duplex needle valves offer exceptional strength, superior corrosion resistance, and high durability. They are highly resistant to stress corrosion cracking and erosion, making them ideal for harsh environments and high-pressure applications. These valves perform reliably under extreme conditions, including high temperatures and aggressive chemicals. Their robust construction ensures long-term stability and minimal maintenance. Super Duplex needle valves are suitable for chemical processing, marine, oil and gas, and power generation industries, providing precise flow control and dependable operation.
| 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 |
Super Duplex Needle Valves are crafted from Super Duplex Steel grades like S32750/S32760, which include chromium, nickel, molybdenum, and nitrogen. This well-balanced duplex structure provides exceptional strength and remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, these valves showcase high tensile and yield strength, good hardness, and impressive impact resistance, even in low temperatures. Their microstructure boosts fatigue performance, ensuring long-lasting stability in high-pressure systems. The blend of corrosion resistance, strength, and durability makes Super Duplex Needle Valves perfect for demanding industrial settings.
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Super Duplex Needle Valves find extensive use in industries that require precise flow regulation under high pressure and corrosive conditions. They are commonly utilized in oil and gas processing, chemical plants, petrochemical facilities, offshore drilling platforms, and desalination systems. These valves excel at controlling the flow of gases, liquids, and aggressive chemicals in pipelines and instrumentation systems. Their exceptional corrosion resistance makes them ideal for marine engineering, power generation, and other challenging applications.
