Max Tube Fittings is a reliable manufacturer and exporter of Hastelloy B2 Needle Valves, specifically designed for precise flow regulation in harsh, corrosive environments. Crafted from high-quality nickel-molybdenum Hastelloy B2 alloy, these valves boast impressive resistance to hydrochloric acid, hydrogen chloride gas, sulfuric acid, and other potent reducing agents. The design features a finely threaded stem and a tapered seat, ensuring accurate flow control, leak-tight shut-off, and durability even in the toughest conditions. Available in various sizes, end connections (NPT, BSP, tube ends), and pressure ratings, they deliver dependable performance in critical industrial applications.
Hastelloy B2 Needle Valves are known for their exceptional resistance to pitting, stress corrosion cracking, and knife-line attack in aggressive chemical settings. Their sturdy construction guarantees high mechanical strength, excellent dimensional stability, and safe operation across a broad temperature and pressure range. The precision-engineered needle design allows for smooth throttling, accurate regulation, and secure sealing in both on-off and fine control applications. Easy to install, maintain, and reuse, these valves promise a long service life, leak-proof performance, and reliability, making them a top choice for demanding industrial systems dealing with corrosive media.
| 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 |
| EQUIVALENT BRANDS | SWAGELOK, PARKER, DK-LOK, HAMLET, OLIVER VALVES, HOKE |
| MATERIAL | HASTELLOY B2 |
| Hastelloy B2 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.02 max | 26.0-30.0 | 1.0 max | 0.10 max | 2.0 max | 0.040 max | 0.030 max | 1.0 max | 1.0 max |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 9.2 g/cm3 | 1370 °C (2500 °F) | Psi – 51,000, MPa – 350 | Psi -1,10,000, MPa -760 | 40 % |
| STANDARD | UNS | WERKSTOFF NR. |
| Hastelloy B2 | N10665 | 2.4617 |
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Hastelloy B2 needle valves are used in applications where significantly reduced environmental impact is critical. Because of their resistance to hydrochloric acid, sulfuric acid, and hydrogen chloride, they are particularly suitable for chemical, petrochemical and pharmaceutical industries These valves provide precise flow control in processes involving aggressive, corrosive media and is commonly used in systems for consuming acids, chemical solvents and chlorine compounds rm , and its high resistance to pitting makes it ideal for use in harsh environments where service is required durable and reliable
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