Paul Tube Fittings, based in Houston, USA, is a well-respected manufacturer and supplier of top-notch Hastelloy C22 Needle Valves, specifically crafted for precise flow regulation in challenging environments that involve corrosive substances and high temperatures. Made from high-quality Hastelloy C22, a nickel-chromium-molybdenum alloy, these valves boast remarkable resistance to both oxidizing and reducing agents, including strong acids, chlorides, and various chemical mixtures. With precision-engineered threads and a finely tapered needle stem, they ensure accurate flow control and leak-proof performance. Paul Tube Fittings guarantees that each valve adheres to strict international standards, making them perfect for applications in chemical, pharmaceutical, marine, and other demanding industrial processes.
The Hastelloy C22 Needle Valves from Paul Tube Fittings are crafted from UNS N06022, a versatile nickel-based alloy that includes chromium, molybdenum, and iron. This unique composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in both oxidizing and reducing environments. These valves showcase impressive tensile strength (up to 690 MPa), excellent ductility, and thermal stability. Their sturdy construction ensures a long service life even in harsh conditions, while the precision needle stem allows for fine flow control. Perfect for highly corrosive applications, the material guarantees chemical compatibility and mechanical reliability under extreme operating conditions.
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 find extensive use in industries where accurate flow regulation and exceptional corrosion resistance are essential. These valves are perfect for chemical processing, marine engineering, wastewater treatment, pulp and paper production, and pharmaceutical manufacturing. Their outstanding resistance to a wide array of aggressive chemicals, such as nitric acid, hydrochloric acid, and wet chlorine, makes them suitable for the toughest operating conditions. Paul Tube Fittings’ Hastelloy C22 Needle Valves are designed to excel in these demanding environments, ensuring reliability and performance when it matters most.
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