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Olwan Nickel Alloys stands out as a reliable manufacturer and supplier of top-notch Duplex Needle Valves in Amman, Jordan, delivering dependable flow-control solutions for challenging industrial settings. With a strong focus on precision engineering and exceptional performance, the company creates needle valves that can withstand high pressures, corrosive substances, and extreme operating conditions. By utilizing cutting-edge manufacturing techniques and rigorous quality control, Olwan Nickel Alloys guarantees that each valve adheres to international standards for durability and efficiency. Their Duplex Needle Valves are well-known for their remarkable corrosion resistance, leak-free operation, and long-lasting stability, making them a perfect fit for critical instrumentation and process systems.
Duplex Needle Valves are crafted from Duplex stainless steel, which contains around 22% chromium, 5–6% nickel, 3% molybdenum, and controlled nitrogen, resulting in a well-balanced austenitic-ferritic microstructure. This unique composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. On the mechanical side, Duplex steel boasts nearly double the yield strength of regular stainless steels, along with enhanced toughness, fatigue resistance, and dimensional stability under high pressure. These characteristics ensure that Duplex Needle Valves deliver reliable performance, precise flow control, and a long service life, even in harsh and fluctuating operating conditions.
| 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 | % Elongation | YS (MPa) | Hardness(BHN) | UTS (MPa) |
| 31803 | 25 min. | 450 min. | 293 max. | 620 min. |
| 2205 | 25 min. | 450 min. | 293 max. | 655 min. |
At Olwan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Needle Valve in Amman, Jordan, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Jordan, 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 Needle Valves find extensive use in industries that demand precise flow regulation and high resistance to corrosion. They play a crucial role in chemical processing plants, offshore oil and gas platforms, desalination systems, and marine engineering applications where exposure to chlorides is a concern. These valves are essential for maintaining optimal performance and safety in various processes, ensuring that operations run smoothly and efficiently. Their robust design and reliable functionality make them a preferred choice for engineers and operators in environments where precision and durability are paramount.
