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Santner Nickel Alloys is a reliable manufacturer and supplier of premium Super Duplex Needle Valves in Hamilton, New Zealand. The company is known for delivering precision-engineered valves that offer outstanding strength, corrosion resistance, and long-term durability. Their Super Duplex Needle Valves are designed to provide accurate flow control even in highly demanding and corrosive environments. With a strong commitment to quality, advanced manufacturing standards, and customer-focused service, Santner Nickel Alloys has earned the trust of clients across various industries. Their products ensure dependable performance, making them a preferred choice for modern engineering and fluid control applications.
Super Duplex Needle Valves are manufactured from a balanced mix of chromium, molybdenum, nickel, and nitrogen, giving them excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. The dual-phase structure provides superior mechanical strength, toughness, and thermal stability. These valves offer high tensile strength, solid impact resistance, and reliable hardness, allowing them to operate effectively under high pressure and in aggressive environments. Their mechanical properties make them suitable for long-term use in seawater, chemical processing, and high-temperature conditions where durability and precision control are essential.
| 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 |
| Grade | S32760 | S32750 |
| Mn | 1.00 max | 1.20 max |
| Fe | 57.61 min | 58.095 min |
| C | 0.05 max | 0.030 max |
| Si | 1.00 max | 0.80 max |
| S | 0.010 max | 0.020 max |
| P | 0.030 max | 0.035 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| Mo | 3.00 – 4.00 | 3.00 – 5.00 |
| N | 0.20 – 0.30 | 0.24 – 0.32 |
| Melting Point (°C) | 1350 |
| Density (lb/in 3) | 0.281 |
| Density (g/cm 3) | 7.8 |
| Melting Point (°F) | 2460 |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Needle Valve in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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.
Super Duplex Needle Valves are widely used in industries that require precise control of flow and exceptional resistance to corrosion. They are commonly installed in offshore systems, chemical and petrochemical plants, desalination facilities, and marine applications due to their ability to withstand harsh and chloride-rich environments. These valves are also used in high-pressure instrumentation systems, oil and gas pipelines, hydraulic units, and process control equipment. Their durability and accuracy make them ideal for applications involving aggressive fluids, corrosive media, and demanding operational conditions. Overall, they ensure safe, efficient, and reliable flow regulation across critical industrial processes.
