70/30 CuNi Copper Nickel Reducing Tee Socket Welding Pipe Fitting Corrosion Resistant Marine Offshore Class150
1. Product Description
A Copper Nickel Reducing Tee is a T-shaped pipe fitting manufactured from copper‑nickel (CuNi) alloy, featuring three openings with different diameters. The fitting consists of a main opening (the “run”) and two side openings (the “branches”). As a reducing tee, the branch outlet has a smaller diameter than the run, allowing for smooth flow transition between different pipe sizes.
Common material grades include 90/10 Copper Nickel (UNS C70600 / B10 / CuNi90‑10) and 70/30 Copper Nickel (UNS C71500 / B30 / CuNi70‑30). Connection types available: butt weld (BW), socket weld (SW), press, and threaded.
2.Product Applications
Copper Nickel Reducing Tees are widely used in:
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Marine & Shipbuilding – seawater cooling, fire main, ballast water, bilge, and main seawater lines.
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Offshore Platforms – seawater cooling and firefighting water systems.
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Desalination Plants – intake/outfall, high‑pressure brine, and product water distribution.
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Industrial – chemical processing, power plants, HVAC, oil & gas.
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Others – petrochemical, pharmaceutical, aquaculture, and metallurgy.
Suitable media: seawater, fresh water, air, steam, oil, and various chemicals.
3. Product Advantages
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Superior corrosion resistance – seawater corrosion rate <0.025 mm/year; excellent resistance to biofouling.
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Long service life – >30 years in seawater with minimal maintenance.
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High mechanical strength – good ductility and erosion‑corrosion resistance; withstands seawater velocity up to 5 m/s.
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Smooth flow transition – reducing design reduces pressure loss and turbulence at branch connections.
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Multiple connection options – BW, SW, press, and threaded to suit various installation needs.
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Environmentally friendly – natural anti‑fouling reduces chemical usage; 100% recyclable.
4.Product Specifications
| Parameter |
Specification |
| Material |
90/10 CuNi (UNS C70600 / B10) or 70/30 CuNi (UNS C71500 / B30) |
| Type |
Reducing Tee |
| Size Range |
DN20 – DN500 (3/4″ – 20″) |
| Connection Types |
Butt Weld (BW), Socket Weld (SW), Press, Threaded |
| Pressure Ratings |
Class 150, 200, 300, 600, 700, 900, 3000 lb |
| Wall Thickness |
SCH40, SCH80, STD, XS |
| Standards |
ASME B16.9, ASME B16.11, ANSI B1611, DIN 86088, EEMUA 146, MIL-F-24202 |
| Temperature Range |
–50°C to +260°C |
| Tensile Strength |
≥380 MPa (70/30 CuNi) |
| Yield Strength |
≥140 MPa (70/30 CuNi) |
| Elongation |
≥30% |
| Hardness |
≤80 HRB |
FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.
2. How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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70/30 CuNi Copper Nickel Reducing Tee Socket Welding Pipe Fitting Corrosion Resistant Marine Offshore Class150 Images
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