Product Description
DLSS supplies ASTM B151 C70600 Weld Neck Flanges (WNRF) in size 4″, schedule SCH80, pressure rating 150#, manufactured to ASME B16.5.
Made from C70600 Copper-Nickel (CuNi 90/10), this flange provides excellent resistance to seawater corrosion, erosion, and biofouling, making it ideal for marine piping, offshore oil & gas, desalination, and power plant condenser systems.
The weld neck design ensures strong connection with seamless pipes, capable of handling high pressure and thermal stress, while providing a leak-proof and durable joint.
Specifications
| Item | Details |
|---|---|
| Standard | ASTM B151 / ASME B16.5 |
| Material | C70600 (Copper-Nickel 90/10) |
| Type | Weld Neck Flange (WNRF) |
| Size | 4″ |
| Thickness | SCH80 |
| Pressure Class | 150# |
| Connection | Weld Neck |
| Corrosion Resistance | Excellent in seawater and chloride-rich environments |
| Applications | Marine piping, condensers, desalination, petrochemical, offshore oil & gas |
Key Features
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CuNi 90/10 Alloy (C70600): Outstanding seawater corrosion resistance.
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Weld Neck Design: Strong structural integrity for high-pressure service.
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Standard Compliance: ASTM B151 material, ASME B16.5 dimensions.
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Durability: Long service life in marine and industrial piping systems.
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Versatility: Compatible with seamless pipes SCH80 for condensers and cooling systems.
Applications
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Marine & Offshore Piping Systems
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Power Plant Seawater Cooling Lines
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Desalination Plants
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Heat Exchanger & Condenser Connections
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Petrochemical & Refinery Piping
Why Choose DLSS?
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Complete supply of C70600 piping system components: pipes, fittings, and flanges.
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Strict quality control with MTC (EN 10204/3.1).
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Third-party inspection available (SGS, BV, TUV).
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Export seaworthy packaging: ISPM-15 wooden cases, bundled with pipes/fittings for safe delivery.
Frequently Asked Questions (FAQ)
Q1: Why choose C70600 CuNi flanges?
A1: Because they provide excellent resistance to seawater, stress corrosion cracking, and biofouling, ensuring long service life in marine applications.
Q2: What does WNRF mean?
A2: Weld Neck Raised Face – a flange type with a long hub for welding, providing high strength and leak-proof connection.
Q3: Can DLSS supply matching pipes and fittings?
A3: Yes, we supply C70600 seamless pipes, elbows, reducers, and flanges as a complete package.
Q4: What documents are provided?
A4: Mill Test Certificate (EN 10204/3.1), packing list, and optional third-party inspection reports.
