Located in the industrial heart of Kinshasa, Congo, Okoye Nickel Alloys is a trusted partner for demanding industries, bringing global standards of quality and reliability right to our doorstep. We specialize in sourcing and supplying high-performance materials, with a particular expertise in precision components like the Hastelloy needle valve. Our commitment is to provide robust solutions that stand up to the harshest conditions, ensuring that our clients across the region have access to the superior corrosion resistance and durability that their critical applications demand.
Crafted from advanced nickel-chromium-molybdenum alloys, typically Hastelloy C-276, this needle valve offers exceptional resistance to a wide spectrum of corrosive threats, including pitting and stress-corrosion cracking. Its mechanical strength remains impressive even at elevated temperatures, ensuring reliable performance under thermal stress. The fine-threaded stem allows for precise, gradual control over fluid flow, making it an instrument of accuracy. This combination of resilient composition and robust mechanics makes it far more than just a simple shut-off device.
| VALVE SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| STANDARD | ASME B 16.34, ASTM A494/ASME SA494, ASME B 16.5, ASME B 16.10, BS EN 12266-1/API 598, BS1414/ API 600, 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 | Mn | C | Co | S | Si | Cr | Ni | Mo | Fe | W |
| Alloy C22 | 0.50 max | 0.010 max | 2.5 max | 0.02 max | 0.08 max | 20 – 22.5 | Bal | 12.5 – 14.5 | 2 – 6 | 2.5 – 3.5 |
| Alloy C276 | 1.0 max | 0.010 max | 2.5 max | 0.03 max | 0.08 max | 14.5 – 16.5 | Bal | 15 – 17 | 4 – 7 | 3 – 4.5 |
| Element | Melting Point | Yield Strength (0.2%Offset) | Density | Tensile Strength | Elongation |
| Alloy C22 | 1399 °C (2550 °F) | Psi – 45000 , MPa – 310 | 8.69 g/cm3 | Psi – 1,00,000 , MPa – 690 | 45 % |
| Alloy C276 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | 8.89 g/cm3 | Psi – 1,15,000 , MPa – 790 | 40 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Needle Valve in Kinshasa, Congo, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Congo, 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.
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The versatility of the Hastelloy needle valve makes it indispensable in sectors where failure is not an option. You will find it performing reliably in chemical processing plants, managing aggressive acids and halogens, and within oil and gas installations combating sour gas corrosion. It is equally vital in pharmaceutical manufacturing, pulp and paper production, and pollution control systems, where its precise flow control is essential. Essentially, anywhere extreme corrosion is a challenge, this valve provides a dependable, long-lasting solution for safe and efficient operations.
