Al Vishwas Nickel Alloys stands as a dependable manufacturer and supplier of high-performance Hastelloy Needle Valves, proudly headquartered in Dubai, UAE. The company has earned a strong reputation for producing precision-engineered flow-control components that perform exceptionally well in highly corrosive, high-pressure, and high-temperature settings. With advanced manufacturing technology, strict quality control, and deep knowledge of nickel-based alloys, Al Vishwas Nickel Alloys manufactures valves that satisfy international standards for durability and dependability. Their commitment to innovation and customer-focused solutions guarantees that every Hastelloy needle valve delivers a long service life, accurate flow control, and dependable performance across essential industrial applications.
Al Vishwas Nickel Alloys manufactures Hastelloy Needle Valves chiefly from nickel, chromium, and molybdenum, with the addition of tungsten, iron, and cobalt to boost corrosion resistance and strength at high temperatures. This distinctive alloy blend delivers outstanding protection against pitting, oxidation, and stress-corrosion cracking even in extremely harsh conditions. From a mechanical standpoint, Hastelloy needle valves feature strong tensile strength, dependable ductility, and steady performance under thermal cycling and heavy pressure. Thanks to their superb fatigue resistance, hardness, and capacity to preserve structural integrity in extreme settings, they are ideal for accurate and durable flow-control applications.
| 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 Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Needle Valve in Dubai, UAE, delivering advanced solutions for every one of your piping requirements. Our modern manufacturing facilities are strategically situated in the UAE, enabling us to hold an extensive inventory of more than 16,000 tons of top-quality materials kept ready in stock. We are committed to supplying outstanding products and services, guaranteeing dependability and excellence for our clients around the world.
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Al Vishwas Nickel Alloys’ Hastelloy Needle Valves are used across a range of industries that call for accurate flow control and exceptional corrosion resistance. They play a vital role in chemical and petrochemical processing, where harsh acids, solvents, and oxidizing agents require reliable valve performance. Within fields such as power generation, pharmaceuticals, and laboratory instrumentation, these valves deliver precise control of gases and liquids across a range of pressures. Because they remain stable in high-temperature and high-pressure conditions, they are perfectly suited to applications demanding both dependability and precision in flow control.
