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Copper Nickel 70/30 Valves

Copper Nickel 70/30 Valves

70/30 Copper Nickel Valves are alloyed with copper and nickel in a ratio of 70:30, respectively. The main chemical composition includes Copper (Cu) 70-75%, Nickel (Ni) 24-27%, Iron (Fe) 0.3-0.5%, Manganese (Mn) max 0.2-0.35%, Silicon (Si) max 0.2%, Carbon (C) max 0.08% and Sulphur(S) up to 0.01%. This alloy has excellent corrosion resistance, good weldability, and formability properties, making it the perfect choice for marine engineering applications involving seawater flow due to its high strength at elevated temperatures and resistance to chloride stress corrosion cracking as well as biofouling deposits on external surfaces that make it ideal for ballast water systems and other coastal water structures exposed to saltwater environments.

Copper Nickel 70/30 valves are a type of alloy used primarily in marine and industrial applications. They offer a number of advantages over their traditional valve counterparts, such as durability, corrosion resistance, strength, and ease of installation.

70/30 Copper Nickel Valves are alloyed with copper and nickel in a ratio of 70:30, respectively. The main chemical composition includes Copper (Cu) 70-75%, Nickel (Ni) 24-27%, Iron (Fe) 0.3-0.5%, Manganese (Mn) max 0.2-0.35%, Silicon (Si) max 0.2%, Carbon (C) max 0.08% and Sulphur(S) up to 0.01%. This alloy has excellent corrosion resistance, good weldability, and formability properties, making it the perfect choice for marine engineering applications involving seawater flow due to its high strength at elevated temperatures and resistance to chloride stress corrosion cracking as well as biofouling deposits on external surfaces that make it ideal for ballast water systems and other coastal water structures exposed to saltwater environments.

Copper Nickel 70/30 valves are a type of alloy used primarily in marine and industrial applications. They offer a number of advantages over their traditional valve counterparts, such as durability, corrosion resistance, strength, and ease of installation.

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Copper Nickel 70/30 Valves FAQ's  

Copper Nickel 70/30 valves are suitable for a wide range of applications, particularly in areas where salt and mineral-laden water or air is present. This type of material comprises of copper (70%) and nickel (30%) alloy, making them corrosion resistant and ideal for marine environments, sewage and seawater systems, off-shore oil rigs, evaporators, desalination plants etc. They can also be used in heating systems such as boilers to protect them against rusting caused by the high sulphur content in fuel oil. 


Yes! Copper Nickel 70/30 valves have excellent durability due to their ability to resist corrosion from saltwater exposure even after long periods of time. The solid construction makes them hard-wearing and allows lower cost operations due to fewer maintenance cycles required even after prolonged use which results in better cost savings over time. 

Maintaining a copper nickel valve is fairly simple because it’s made up from robust materials that require minimal care compared with other alloys such as stainless steel that require frequent cleaning especially around tight spaces like crevices around threads where dirt & grime tends build up rather quickly causing problems related obstruction due poor performance from lack regular upkeep regarding matters cleanliness . In comparison , less frequent necessary attention granted towards CN70 / 30 given its natural defense against corrosive elements making far more dependable component than alternative alternatives without having same layers protection whilst still offering great value when considered installation costs verses long run outcomes regard efficiency ..

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