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Curtis Tube Fittings, located in Manila, Philippines, stands out as a leading manufacturer and supplier of top-notch Super Duplex Stainless Steel Instrumentation Valves. Renowned for their precision engineering, durability, and outstanding performance, Curtis delivers valves that meet the rigorous demands of industries that require corrosion resistance, high strength, and reliability. Their Super Duplex Stainless Steel Instrumentation Valves are crafted to meet international standards, guaranteeing leak-proof operation, accurate control, and consistent performance even in aggressive and high-pressure settings. Curtis Tube Fittings is dedicated to quality, timely delivery, and ensuring customer satisfaction, proudly serving the oil and gas, chemical, marine, and industrial sectors with dependable valve solutions.
These Super Duplex Stainless Steel Instrumentation Valves are made from a specialized duplex stainless steel alloy containing 25–26% chromium, 6–7% nickel, 3–4% molybdenum, and nitrogen, which gives them remarkable resistance to pitting, crevice, and stress corrosion cracking. The balanced duplex microstructure provides impressive tensile strength (around 830–860 MPa), yield strength (approximately 550–600 MPa), along with excellent toughness and ductility. These mechanical properties ensure that the valves operate reliably under extreme temperatures, high-pressure conditions, and corrosive environments, making them perfect for critical instrumentation applications in demanding industrial sectors.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 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 |
| S32760 | 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 |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 / S32760 |
Venton Tube Fittings is the premier supplier, manufacturer and exporter of (Super Duplex Stainless Steel Instrumentation Valves) in Manila, Philippines. Our strategic manufacturing units placed in the Philippines allow us to supply high-quality solutions customized to your needs. We value Efficiency and Excellence. Ensuring that our products meet the highest industry standards. Maintaining a well-stocked inventory we are always ready to ship orders in time and reliably. Our dedication to customer satisfaction compels us to deliver strong and reliable solutions for a wide range of industrial uses.
Super Duplex Stainless Steel Instrumentation Valves find extensive use in oil and gas platforms, chemical and petrochemical plants, marine systems, and power generation facilities for precise monitoring, control, and regulation of process fluids. They are well-suited for handling seawater, acids, chlorides, and other aggressive substances. Additionally, they play a vital role in instrumentation, metering, and process control systems where accurate flow regulation, leak-tight performance, durability, and low maintenance are essential. Their exceptional corrosion resistance and mechanical strength ensure a long service life and reliable performance.
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Super Duplex Stainless Steel Instrumentation Valves are applied extensively across industries like oil and gas, chemical processing, and petrochemical, where flow control precision and corrosion protection are essential. Such valves are crucial to control fluid and gas flow within high-pressure systems, providing safety and efficiency of the system. Typical applications cover flow control within chemical reactors, steam lines, and offshore platforms. Their dependability and hardness make them particularly suitable for places exposed to dangerous chemicals, temperatures, and intense pressures, to guarantee long-lasting operational success.
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