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Al Vishwas Nickel Alloys is a well-regarded manufacturer and supplier based in Dubai, UAE, focusing on premium Duplex Ball Valves built for demanding industrial applications. By placing strong emphasis on precision engineering, advanced manufacturing methods, and stringent quality control, the company ensures that every valve delivers outstanding performance, offering durability and resistance to corrosion. Their Duplex Ball Valves are engineered to operate reliably in harsh conditions marked by high pressure, aggressive chemicals, and fluctuating temperatures. Committed to reliability and customer satisfaction, Al Vishwas Nickel Alloys reliably provides sturdy, affordable flow-control solutions that comply with international engineering and safety standards.
Duplex Ball Valves are made from duplex stainless steel, which holds roughly 22–25% chromium, 5–7% nickel, 3–4% molybdenum, and regulated nitrogen. This blend produces a well-balanced ferritic-austenitic microstructure that delivers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. From a mechanical standpoint, duplex steel provides high tensile and yield strength, notable fatigue resistance, and superb impact toughness. These valves keep their structural integrity when exposed to high pressure, corrosive fluids, and varying temperatures, which makes them considerably stronger and more reliable than many conventional stainless-steel valve materials.
| 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 Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Ball Valve in Dubai, UAE, delivering advanced solutions for every one of your piping requirements. Our modern manufacturing facilities are strategically positioned in the UAE, enabling us to keep an extensive stock of more than 16,000 tons of top-quality materials on hand and ready for immediate supply. We are committed to providing outstanding products and services, guaranteeing dependability and excellence for our worldwide customers.
Reach out to us for a fast quote tailored to your requirement.
Duplex Ball Valves are widely employed across numerous industries requiring dependable, corrosion-resistant, and high-strength flow-control solutions. Within the oil and gas sector, they are vital for offshore platforms, subsea systems, pipelines, and processing units exposed to chloride-rich and corrosive conditions. Chemical and petrochemical facilities rely on them in reactors, high-pressure lines, and systems that handle aggressive chemicals. Moreover, they serve a critical function in desalination plants, marine engineering, and other applications where durability and performance are essential.
