Max Tube Fittings stands out as a top manufacturer and supplier of Hastelloy C22 Needle Valves, expertly crafted for precise flow control in highly corrosive and oxidizing settings. Made from a robust nickel-chromium-molybdenum-tungsten Hastelloy C22 alloy, these valves boast remarkable resistance to oxidizing agents, wet chlorine, acetic acid, ferric and cupric chlorides, and various chemical mixtures. The finely threaded stem paired with a tapered seat guarantees accurate throttling, leak-tight shutoff, and impressive durability, even in the toughest service conditions. With a variety of sizes, pressure classes, and connection types (NPT, BSP, compression ends) available, these valves are a reliable choice for critical process control applications.
Hastelloy C22 Needle Valves excel in resisting pitting, crevice corrosion, and stress corrosion cracking, even in environments with strong oxidizers. They deliver outstanding mechanical strength, precise dimensions, and consistent performance, even under high pressure and temperature changes. The precision needle design allows for fine flow adjustments, smooth operation, and tight sealing in demanding conditions. They are easy to assemble, disassemble, and maintain, ensuring long-lasting leak-proof service. This makes them an ideal option for industries that prioritize safety, reliability, and corrosion resistance in aggressive chemical handling systems.
VALVE SIZE | 1/8″ TO 2″ / 6 MM TO 50 MM |
THREAD | NPT, BSPP, BSPT, JIC, METRIC, UNF |
CONNECTION | THREADED, TUBE END, BUTT WELD, SOCKET WELD, FLANGE END |
FLOW PATTERN | STRAIGHT, ANGLE, CROSS PATTERNS |
FUNCTION | 2 WAY, 3 WAY |
BODY SHAPE | SQUARE, ROUND, HEXAGON |
PRESSURE RATING | 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI, 20000 PSI |
ORIFICE SIZE | 2 MM TO 9.5 MM |
MEDIA | HYDRAULIC OIL, AIR, WATER, GAS, STEAM, HOT WATER , COLD WATER , SEA WATER , CHEMICAL |
MEDIA TEMPERATURE | (-120* C TO 500*C ) RANGE AS PER PRESSURE |
BODY TYPE | BAR STOCK, FORGED |
HANDLE | BAR T-HANDLE,KNOB HANDLE, WHEEL HANDLE |
PACKING DETAILS | BOX PACKING, WOODEN PALLET |
MATERIAL | HASTELLOY C22 |
| Hastelloy C22 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.010 max | 12.5 – 14.5 | 0.50 max | 0.08 max | 2 – 6 | 0.02 max | 0.02 max | 2.5 max | 20 – 22.5 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 45000 , MPa – 310 | Psi – 1,00,000 , MPa – 690 | 45 % |
| STANDARD | UNS | WNR Material Number | AFNOR | EN | JIS | BS | GOST |
| Hastelloy C22 | N06022 | 2.4602 | – | NiCr21Mo14W | NW 6022 | – | – |
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Hastelloy C22 needle valves are used in high-temperature environments due to their excellent resistance to a wide range of chemicals, including strong acids, bases and oxidizing agents They are commonly used in pharmaceutical, pharmaceutical, petrochemical, ocean in applications and other industries. These valves allow for precise flow control, making them ideal for high-pressure and high-temperature systems. Furthermore, their durability, resistance to pitting, crevice corrosion and stress corrosion cracking ensure reliable performance in harsh, corrosive conditions
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