Okoye Nickel Alloys is a leading manufacturer and supplier based in Kinshasa, Congo, specializing in high-quality nickel alloy products. Our extensive range includes premium Hastelloy check valves engineered to meet the rigorous demands of various industrial applications. Known for their exceptional corrosion resistance and durability, our Hastelloy check valves are designed to provide reliable performance in challenging environments. With a commitment to excellence and customer satisfaction, we are your trusted partner for superior alloy solutions.
Hastelloy Check Valve is composed primarily of nickel (approximately 52-67%), with chromium (14-22%), molybdenum (15-17%), and small amounts of tungsten, cobalt, and iron. Its properties include exceptional resistance to corrosion, high-temperature stability, and robust mechanical strength. The advantages of Hastelloy check valves are their superior resistance to aggressive chemicals and oxidation, high durability, and reliability in extreme environments, making them ideal for use in chemical processing, aerospace, and marine applications.
Pressure : 3000,6000,9000 PSI
Type :BALL VALVES, CHECK VALVES, NEEDLE VALVES
Ends : MALE ADAPTORS, NPTF, BSPT
Size : 1/4” TO 3”
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy C22 | 0.010 max | 0.50 max | 0.08 max | 2.5 max | 0.02 max | Bal | 20 – 22.5 | 2 – 6 | 12.5 – 14.5 | 2.5 – 3.5 | 0.35 max | 0.02 max |
| Hastelloy C276 | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy C22 | 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45 % |
| Hastelloy C276 | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
At Okoye Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Check 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.
Contact us to get a quick quote for your requirement.
Hastelloy check valves are designed for critical applications requiring exceptional corrosion and high-temperature resistance. They are widely used in the chemical processing, aerospace, and marine industries due to their ability to withstand aggressive environments and corrosive fluids. These valves prevent backflow and ensure the smooth operation of fluid systems, making them ideal for handling harsh chemicals, acids, and high-temperature gases. Their durability and reliability help maintain system integrity and safety in demanding applications.
