Themba Nickel Alloys is a reputable manufacturer and supplier of top-notch Hastelloy Check Valves. These valves are expertly crafted to ensure reliable flow control in environments that are both highly corrosive and under high pressure. With a commitment to precision and international quality standards, they guarantee leak-proof performance, durability, and a long lifespan. Renowned for their outstanding resistance to both oxidizing and reducing agents, Themba Nickel Alloys’ Hastelloy Check Valves are perfect for critical operations in industries like chemical, marine, petrochemical, and power generation, where corrosion, pitting, and thermal stress resistance are essential for consistent performance.
Hastelloy Check Valves are primarily made up of nickel, molybdenum, and chromium, with varying amounts of iron, tungsten, and cobalt depending on the specific grade (like C22, C276, or B2). This unique alloy composition offers remarkable resistance to strong acids, chloride-induced corrosion, and both oxidizing and reducing environments. The valves boast a tensile strength ranging from 690 to 785 MPa, a yield strength of 275 to 355 MPa, and an elongation of 40 to 45%. They remain stable under high pressures and temperatures, showcasing excellent mechanical strength, weldability, and resistance to stress-corrosion cracking, making them ideal for demanding fluid control systems.
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 Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Check Valve in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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 find extensive use across various industries, including chemical processing, marine engineering, oil and gas, and power generation. They are particularly effective at preventing backflow in systems that handle corrosive fluids, acids, and gases. In chemical plants and offshore platforms, these valves play a crucial role in ensuring safe and reliable flow control, even in harsh environmental conditions. They are also employed in heat exchangers, desalination systems, pollution control equipment, and pharmaceutical processing. With their exceptional resistance to corrosion and oxidation, combined with their strength and leak-tight performance, they are a trusted choice for critical applications.
