Home > Duplex Steel > Duplex Steel S31803 / S32205 Manifold Valves
Noah Tubefittings is a well-respected manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch **Duplex Steel S31803 / S32205 Manifold Valves**. These valves are crafted for outstanding strength, corrosion resistance, and reliability, making them perfect for tough industrial settings. They’re designed to ensure efficient flow control and leak-proof performance in instrumentation and process systems that operate under high pressure and temperature. Made from high-quality Duplex Steel, these valves boast excellent mechanical properties along with impressive resistance to pitting, crevice corrosion, and stress corrosion cracking. Noah Tubefittings is committed to precision construction, durability, and consistent performance for critical fluid control applications.
The Duplex Steel S31803 / S32205 Manifold Valves primarily consist of chromium (22%), nickel (5–6%), and molybdenum (3%), with added nitrogen to enhance strength and corrosion resistance. They have a tensile strength of around 620 MPa and a yield strength of about 450 MPa. Their unique dual-phase austenitic-ferritic structure provides excellent resistance to chloride stress corrosion cracking, ensuring superior toughness, fatigue strength, and stability even in harsh environments.
| MATERIAL | DUPLEX |
| VALVES SIZE | 1/8″ – 1″ |
| THREAD | BSPP, NPT, BSPT |
| CONNECTION | FLANGE END, THREADED |
| EQUIVALENT BRANDS | OLIVER VALVES, PARKER, SWAGELOK, HAMLET, ROSE MOUNT, HOKE |
| FUNCTION | 3 WAY, 2 WAY, 5 WAY |
| TYPE | T TYPE, R TYPE, H TYPE |
| BODY SHAPE | RECTANGLE, SQUARE |
| ORIFICE SIZE | 2 MM – 9.5 MM |
| PRESSURE RATING | 3000 PSI, 1500 PSI, 10000 PSI, 6000 PSI, 15,000 PSI |
| MEDIA TEMPERATURE | (-120* C – 500*C ) AS PER PRESSURE RANGE |
| HANDLE | BAR T-HANDLE |
| BODY TYPE | FORGED, BAR STOCK |
| PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S31803 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Duplex Steel S32205 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
At Noah Tube Fittings, we are a leading supplier, manufacturer, and exporter of Duplex Steel S31803 / S32205 Manifold Valves in Kinshasa, Congo. Our state-of-the-art manufacturing facilities are strategically located to ensure we deliver high-quality solutions tailored to your specific needs. With a comprehensive inventory of top-grade duplex steel materials, we are well-equipped to fulfill your requirements promptly. Our commitment to excellence and efficiency guarantees that we consistently maintain available stock, ensuring you have access to the best products in the market when you need them.
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
These valves are widely utilized across various industries, including oil and gas, petrochemical, chemical processing, marine, and power generation. They’re particularly well-suited for hydraulic systems, offshore platforms, desalination plants, and process control equipment that come into contact with aggressive chemicals or seawater. With their ability to deliver smooth operation, leak-free performance, and a long service life, these valves are a top choice for demanding instrumentation and process control applications.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 / S32205 Manifold Valves are widely used in various industries due to their excellent mechanical properties and corrosion resistance. They are commonly employed in the oil and gas sector for offshore platforms and pipelines, where exposure to harsh environments is prevalent. Additionally, these valves are ideal for chemical processing plants, power generation, and desalination facilities. Their ability to withstand high pressures and temperatures makes them suitable for applications in marine engineering, as well as in water treatment and waste management systems.
Please feel free to contact us if you need any further information or for enquiry.
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