Copper-nickel pipe
90/10 copper-nickel is a copper alloy with 10 % nickel, plus iron and manganese (CuNi10Fe1.6Mn). It is used for seawater piping on ships and offshore platforms: according to the Copper Development Association, it combines good resistance to seawater corrosion with resistance to biofouling.
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Two pipe ranges are available:
- for welding, from Ø20 to Ø219 (1/2 to 8 inches), in wall thicknesses from 1 to 3.5 mm, PN10; the product name gives the outside diameter and the wall thickness, and the data sheets state Lloyd's;
- for press-fitting, thin-wall seamless pipe from Ø15 to Ø108, to DIN 86019 and in 6 m lengths according to its data sheet, for M-profile press-fit fittings, PN16; Lloyd's and RINA are stated.
For jointing, see the copper-nickel butt-weld and press-fit fittings: elbows, tees, reducers, stub ends, sockets and threaded adaptors. According to its data sheet, the copper-nickel press-fit fitting has an FKM seal and is rated for seawater from -20 to +120 °C, up to 16 bar.
The diameter is chosen from the existing system and the jointing method: press-fit pipe diameters match those of the press-fit fittings.
Brand: RPM.
3 products
