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Duplex Ball Valves are designed to provide outstanding performance, impressive strength, and remarkable resistance to corrosion, especially in tough industrial settings. Made from duplex stainless steel, these valves boast a well-balanced austenitic-ferritic microstructure that guarantees durability, enhanced toughness, and protection against chloride-induced stress corrosion cracking. With their dependable sealing, smooth operation, and long lifespan, they are perfect for critical applications involving corrosive fluids, seawater, and high-pressure systems. Duplex Ball Valves are a top choice for offshore, chemical, petrochemical, and marine operations, where strong construction and reliable performance are crucial for ensuring safety and operational efficiency.
Duplex Ball Valves are made up of chromium, nickel, molybdenum, and nitrogen, which give them excellent resistance to pitting, crevice corrosion, and harsh chloride environments. Their duplex microstructure not only boosts mechanical strength but also enhances fatigue resistance. These valves deliver high tensile and yield strength, impressive hardness, and great toughness, even in sub-zero temperatures. They remain stable under high pressures and temperatures while resisting erosion and abrasion. Additionally, Duplex Ball Valves are known for their good weldability and dimensional stability, making them ideal for demanding industrial applications that require both strength and corrosion resistance.
| VALVES SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| STANDARD | ASME B 16.10, BS1414/API 600, ASME B 16.5, BS EN 12266-1/API 598, ASME B 16.34, ASTM A890 4A, 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 |
| ELEMENT | DUPLEX 31803 | DUPLEX 2205 |
|---|---|---|
| NI | 4.50 – 6.50 | 4.50 – 6.50 |
| C | 0.030 max | 0.030 max |
| N | 0.14 – 0.20 | 0.08 – 0.20 |
| P | 0.030 max | 0.030 max |
| MN | 2.00 max | 2.00 max |
| CR | 22.0 – 23.0 | 21.0 – 23.0 |
| S | 0.020 max | 0.20 max |
| MO | 3.0 – 3.5 | 2.50 – 3.50 |
| SI | 1.00 max | 1.00 max |
| FE | 63.72 min | 63.54 min |
| Grade | UTS (MPa) | % Elongation | Hardness(BHN) | YS (MPa) |
| 31803 | 620 min. | 25 min. | 293 max. | 450 min. |
| 2205 | 655 min. | 25 min. | 293 max. | 450 min. |
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Ball Valve in Manama, Bahrain, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Bahrain, 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.
Duplex Ball Valves are a go-to choice in industries that need tough, corrosion-resistant components for flow control. You’ll find them in places like offshore oil and gas platforms, desalination plants, marine engineering projects, subsea pipelines, and chemical processing units, all thanks to their impressive ability to withstand seawater and harsh chemicals. In sectors like pulp and paper, power generation, and petrochemicals, these valves are trusted to manage corrosive fluids and high-pressure situations reliably. They also play a crucial role in water treatment systems, fire-fighting lines, heat exchangers, and refinery piping networks. With their remarkable durability, they ensure safe and efficient fluid control even in the most challenging industrial settings.
