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Max Tube Fittings is a reputable manufacturer and supplier based in Delhi, India, known for its top-notch Super Duplex Check Valves that ensure reliable flow control in tough industrial settings. Crafted from high-quality Super Duplex stainless steels like UNS S32750 and S32760, these valves boast remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in environments rich in chlorides and seawater. Designed with precision for durability and leak-free operation, these check valves find their place in various industries, including oil & gas, petrochemicals, desalination, marine, and power generation, providing effective backflow prevention and long-lasting performance in critical piping systems.
Super Duplex Check Valves feature a unique dual-phase austenitic-ferritic microstructure, giving them nearly double the strength of standard austenitic stainless steels. With a blend of high chromium, molybdenum, and nitrogen, these valves offer outstanding tensile and yield strength, excellent fatigue resistance, and stability under extreme temperatures and pressures. Their sturdy design guarantees reliable backflow prevention, precise dimensions, and a long service life, even in the most challenging industrial conditions. Thanks to their corrosion-resistant properties and mechanical strength, Super Duplex Check Valves are perfect for demanding fluid handling tasks.
| CONNECTION | SOCKET WELD END, TUBE END, THREADED, FLANGE END |
| INSTRUMENTATION VALVES SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| THREADS | BSPP, NPT, METRIC, BSPT,UNF, JIC |
| INSTRUMENTATION VALVES BODY SHAPE | HEXAGON |
| PATTERN FLOW | STRAIGHT |
| INSTRUMENTATION VALVES ORIFICE SIZE | 2 MM – 40 MM |
| EQUIVALENT BRANDS | PARKER, SWAGELOK, DK-LOK, STAUFF, OLIVER VALVES, HAMLET, HOKE |
| RATING PRESSURE | 20000 PSI, 1500 PSI, 10000 PSI, 3000 PSI, 6000 PSI, 15,000 PSI |
| CRACKING PRESSURE | 0.5 BAR |
| TYPE | SPRING TYPE, POPPET TYPE |
| INSTRUMENTATION VALVES MATERIAL | SUPER DUPLEX |
| MEDIA | SEA WATER , HYDRAULIC AIR, OIL, GAS, WATER, HOT WATER , STEAM, COLD WATER , CHEMICAL |
| BODY TYPE | FORGED, BAR STOCK |
| MEDIA TEMPERATURE | (-50* C – 350*C ) AS PER PRESSURE RANGE |
| INSTRUMENTATION VALVES PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| Mn | C | Fe | P | Si | Cr | S | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| 1.20 max | 0.030 max | 58.095 min | 0.035 max | 0.80 max | 24.00 – 26.00 | 0.020 max | 6.00 – 8.00 | 3.00 – 5.00 | 0.24 – 0.32 |
| 1.00 max | 0.05 max | 57.61 min | 0.030 max | 1.00 max | 24.00 – 26.00 | 0.010 max | 6.00 – 8.00 | 3.00 – 4.00 | 0.20 – 0.30 |
| Melting Point (°F) | Melting Point (°C) | Density (g/cm 3) | Density (lb/in 3) |
|---|---|---|---|
| 2460 | 1350 | 7.8 | 0.0281 |
At Max Tube Fittings, we are the leading supplier, manufacturer, and exporter of Super Duplex Check Valves in Delhi, India. Our advanced manufacturing facilities, strategically located in the India, allow us to deliver high-quality, customized solutions that meet your specific requirements. With an extensive inventory of over 16,000 tons of premium-grade Super Duplex materials, we are fully equipped to meet your demands efficiently. Our commitment to excellence and operational efficiency ensures that we consistently maintain sufficient stock to support your business needs, providing reliable solutions for demanding applications.
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 / S32760 |
Max Tube Fittings is a leading supplier and stockist of premium Super Duplex Check Valves in Delhi, India. Our products are widely utilized across various industries, and we are dedicated to delivering exceptional service while ensuring complete customer satisfaction. With our advanced finishing techniques, we stand out in the metal industry. We are committed to consistently providing top-quality Super Duplex Check Valves while efficiently meeting the diverse needs of our clients, ensuring reliability and durability in challenging applications.
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These valves are widely utilized in industries where top-notch corrosion resistance and reliability are essential. You’ll find them in offshore oil & gas platforms, subsea pipelines, desalination plants, chemical processing facilities, and power generation stations. Super Duplex Check Valves ensure secure and efficient backflow prevention in high-pressure, high-temperature, and corrosive environments, promoting operational safety while minimizing maintenance needs. With their capability to handle seawater, aggressive chemicals, and extreme operating conditions, these valves are a cost-effective, durable, and trustworthy choice for any demanding application.
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