Home > Copper Nickel > Cupro Nickel Hydraulic Fittings
Benjamin Tubefittings, located in Abuja, Nigeria, stands out as a top manufacturer and supplier of high-quality **Cupro Nickel Hydraulic Fittings**. These fittings are designed to perform exceptionally well in tough hydraulic systems. Known for their precision manufacturing and durability, Benjamin Tubefittings ensures that their products meet international standards, providing fittings that guarantee leak-proof connections, reliable fluid flow, and a long lifespan. They are particularly effective in corrosive and high-pressure settings, making them perfect for industries like marine, oil and gas, chemical processing, and power generation. With a blend of strength, corrosion resistance, and easy installation, these fittings support the smooth operation of hydraulic systems.
The **Cupro Nickel Hydraulic Fittings** are crafted from top-notch cupro-nickel alloys, typically in 70/30 or 90/10 copper-nickel compositions, which offer outstanding resistance to corrosion, pitting, and biofouling. These alloys are known for their excellent mechanical strength, thermal conductivity, and durability, even under high-pressure and high-temperature conditions. The fittings come with precision-machined threads and sealing surfaces, ensuring tight, leak-free connections. Their sturdy design provides high tensile strength, hardness, and wear resistance, making them reliable in harsh hydraulic and marine environments. Plus, the surface finishing boosts their longevity and cuts down on maintenance needs.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | CUNI 90/10 & CUNI 70/30 |
| WORKING PRESSURE | (LOW) LL SERIES – 100 BAR |
| (MEDIUM)L SERIES – 100 BAR TO 500 BAR | |
| (HEAVY)S SERIES – 200 BAR TO 800 BAR | |
| SIZE RANGE | LL SERIES – 4LL TO 12LL |
| L SERIES – 6L TO 42L | |
| S SERIES – 6S TO 38S | |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| SURFACE | NATURAL FINISH |
| TEMPERATURE | CUPRO NICKEL – (-60*C TO 175*C) |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 70/30 | 65 min | 1.0 max | 0.05 max | 29-33 max | 0.4-1.0 max | 1 max |
| Cupro Nickel 90/10 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 max | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
| Cupro Nickel 90/10 | 2.0872 | C70600 |
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**Cupro Nickel Hydraulic Fittings** are commonly used to connect, terminate, or redirect hydraulic tubing and piping in systems that encounter seawater, brine, or chemically aggressive fluids. They find applications in marine hydraulics, offshore platforms, desalination plants, chemical processing, and power generation systems. These fittings ensure secure, leak-proof connections and uphold system integrity even in extreme conditions. With their ease of installation and maintenance, Cupro Nickel Hydraulic Fittings facilitate efficient fluid transfer, operational safety, and long-lasting reliability across industrial, marine, and energy-sector hydraulic applications.
Copper nickel hydraulic fittings are widely used in various industries due to their exceptional corrosion resistance and durability. In marine applications it is essential for connecting piping systems and water machinery to protect them from saltwater corrosion. In the oil and gas industry, these features ensure secure connections to high-pressure systems to increase safety and productivity. In addition, they are used in chemical plants for corrosion management and HVAC systems for efficient drainage. Their reliability and efficiency make them ideal for harsh environments to ensure long-term service.
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