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Ayhan Tube Fittings, located in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of Super Duplex Check Valves. These valves are designed to deliver high-quality solutions for dependable, leak-proof, and corrosion-resistant flow control in critical industrial systems. Built for durability and precision, they ensure smooth, one-way flow while preventing backflow and safeguarding equipment from potential damage. Manufactured to meet international standards, Ayhan Tube Fittings’ Super Duplex Check Valves are perfect for industries like oil and gas, chemical processing, marine, and power generation. Their sturdy construction and exceptional material properties promise long-lasting performance, even in the toughest operating conditions.
Crafted from duplex stainless steel, these valves feature a well-balanced microstructure of austenitic and ferritic phases, enriched with alloying elements such as chromium, molybdenum, and nitrogen. This unique composition offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides. On a mechanical level, these valves boast impressive tensile and yield strength, along with excellent toughness and durability under high pressures and varying temperatures. Their corrosion resistance, structural integrity, and precision engineering ensure they operate reliably and safely in critical industrial applications.
| 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 Ayhan Tube Fittings, we are the leading supplier, manufacturer, and exporter of Super Duplex Check Valves in Istanbul, Turkey. Our advanced manufacturing facilities, strategically located in the Turkey, 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 |
Ayhan Tube Fittings is a leading supplier and stockist of premium Super Duplex Check Valves in Istanbul, Turkey. 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.
Contact us to get a quick quote for your requirement.
Super Duplex Check Valves find their place in various industries where unidirectional flow and backflow protection are crucial. In the oil and gas sector, they are commonly used in pipelines, offshore platforms, and refineries to protect pumps and equipment. Chemical and petrochemical plants rely on them for managing corrosive chemicals and high-temperature fluids. The marine industry utilizes them in seawater systems and hydraulic applications, while power generation facilities depend on them for steam, water, and process pipelines. With their blend of strength, corrosion resistance, and extended service life, Super Duplex Check Valves are the go-to choice for demanding applications.
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