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Marsh Nickel Alloys, located in Canberra, Australia, stands out as a top manufacturer and supplier of high-quality Duplex manifold valves. Thanks to cutting-edge manufacturing technology and rigorous quality control, the company produces valves that excel in corrosion resistance, strength, and durability. Marsh Nickel Alloys caters to various industries, including oil and gas, chemical processing, marine, and power generation, providing Duplex manifold valves that ensure reliable performance and precise flow control even in the most corrosive and challenging environments.
Duplex manifold valves are crafted from a well-balanced microstructure of austenitic and ferritic stainless steel, typically rich in chromium, nickel, molybdenum, and nitrogen. This unique composition guarantees outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On a mechanical level, Duplex manifold valves boast high tensile strength, remarkable toughness, and thermal stability, allowing them to maintain their performance under extreme pressure and temperature fluctuations.
| 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 Marsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Needle Valve in Canberra, Australia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Australia, 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.
In the oil and gas sector, Duplex manifold valves are commonly used for instrumentation systems, pressure measurement, and flow control on offshore platforms and in refineries. Chemical processing plants rely on these valves to safely manage aggressive fluids and corrosive chemicals. Power generation facilities utilize Duplex manifold valves in steam, condensate, and cooling systems, while marine applications include desalination and seawater systems, where exceptional corrosion resistance and mechanical reliability are crucial for long-lasting operation.