EEMUA 144 PDF

Since decades, these alloys have successfully used in:? Merchant and military shipbuilding? Offshore oil and gas installations? Coastal petroleum and petrochemical processing plants? Seawater desalination plants? Coastal electricity generation plants Copper-nickel alloys are widely applied in:?

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Since decades, these alloys have successfully used in:? Merchant and military shipbuilding? Offshore oil and gas installations?

Coastal petroleum and petrochemical processing plants? Seawater desalination plants? Coastal electricity generation plants Copper-nickel alloys are widely applied in:? Seawater cooling systems? Fire water systems? Sanitary systems? Deck steam pipes? Deluge systems? Hydraulic and pneumatic systems? Seawater feed lines to desalination and processing units? Controlled content of alloying elements and minimised concentration of impurities ensure reliable service and fabrication properties of the alloy.

Main Advantages of Osna? Simple alloying system with good weldability? Excellent ductility and toughness? Outstanding erosion corrosion performance? Resistant to uniform and localised corrosion?

No effect of ambient seawater temperatures? No effect of seawater chlorination? Resistant to biofouling? Resistant to stress-corrosion cracking? Low maintenance costs? DIN WL 2. BS CN DIN EN 9. Although the pipe dimensions of 38 and 40 inch are not included in the EEMUA — they are available here as they are commonly specified in offshore projects. Based on ASME specifications, additional components are included. The fit-for-purpose corrosion allowance of 0.

Mechanical properties of pipes are given in Appendix A. Flanges Composite and Solid:? The copper-nickel stub end and flange joint faces are machine finished and comply with the corresponding Sections of EEMUA and are summarized in the Appendix A. The specification comprises a series for pipe fittings including butt weld, socket welding, capillary brazing, threaded, self reinforced fittings as well as saddle pieces. Welding The welding consumables used for the manufacturing of welded components are in accordance with AWS-A5.

Gaskets The gaskets normally used with flanges are those made from aramid fibre with nitrile binder in accordance with ASME B The gasket hardness shall not be less than 75 Shore. The gaskets shall not be graphited. In order to ensure adequate seating when solid weldneck and solid slip-on flanges are used, irrespective of gasket materials, the gaskets shall be located within the bolt circle.

Note: Gaskets should not be used when mating with elastomerlrubber faced flanges. Please contact us for more information. For decades now, KME has been consistently putting into action the corporate idea of quality, and, with it, gained the reputation of being a reliable supplier throughout the world.

The fulfilment of our customers expectations as to KME products and services in all re? KME Quality Management System comprehends process-integrated quality controls, internal product and system audits, the systematical training of all employees and the operating of computer aided statistical methods.

The results of KME production give convincing proof: our results have been surpassing the requirements of national and international standards for years.

KME produces quality. They are manufactured from hot extruded shells followed by cold work and annealing. Mechanical testing is carried out in accordance with the standards above.

However, the pipe diameters range from? Although the pipe dimensions of 38 in. The corresponding wall thicknesses of the pipes comply with the pressure containment requirements of ASME B Pipes with other wall thicknesses are available on request.

Tolerances See notes for seamless and notes for welded pipes. Weld Preparation For wall thickness less than 3 mm, the pipes are supplied with plain weld ends. Larger thicknesses are supplied with the weld bevel of 37? The wall thickness of the 16 bar range have been increased to match the 20 bar range for mechanical strength. Note 2 The pipe size 6 in. Note 4 Up to including 4 in. For diameters from 6in. The pipes with other dimensions than mentioned herein are available on request.

Stock Dimensions All seamless pipes are available from stock. Larger dimensions are manufactured from longitudinally welded half shells. Elbows with other dimensions are available on request. Tolerances See Appendix C Weld Preparation For wall thickness less than 3 mm, the elbows are supplied with plain weld ends. Seamless tee pieces are typically available up to 8 in. Tee pieces with other dimensions are available on request.

Tolerances See Appendix C Weld Preparation For wall thickness less than 3 mm, the tees are supplied with plain weld ends. Dimensions mm Nominal Size in 1 1? Weight kg mm 20? Weight kg 0. The additional wall compensatory thicknesses over and above the minimum pipe wall thicknesses are included. Caps with other dimensions are available on request. Tolerances See Appendix C Weld Preparation For wall thickness less than 3 mm, the caps are supplied with plain weld ends.

Weight 16? The concentric reducers are typically supplied up to incl. The eccentric reducers are supplied up to incl. Specified Size OD mm 57 57 57 x 30 x 38 x Reducers with other dimensions are available on request. Tolerances See Appendix C Weld Preparation For wall thickness less than 3 mm, the reducers are supplied with plain weld ends. Saddle pieces up to including 12 in. Larger dimensions are manufactured from seamless or welded pipes as well as plates.

Saddle pieces with other dimensions are available on request. Weld Preparation Welding ends of butt weld ends for wall thickness less than 3 mm, the saddle pieces are supplied with plain weld ends. Seamless Seamless saddle pieces Header Speciefied OD mm All header sizes equal to or larger than branch up to and including x Seamwelded Seamwelded saddle pieces - 16 bar rating Header Speciefied OD mm All header sizes equal to or larger than branch in the range The components are manufactured by hot forging and machining from extruded bars solid or hollow.

The branch size covered is from? Other branch sizes are available on request. The welding outlets covered are suitable for application to header sizes from?

The additional design feature is the smooth entry into the connection to reduce the turbulences. The range of sizes covered is? Other sizes are available on request. The Type L stub ends are included to facilitate the attachments of this type of flange to butt weld welding fittings in accordance with EEMUA Larger dimension are supplied with the weld bevel of 37? Drilling and outside diameter dimensions of flange sizes?

Unless otherwise specified the flanges are protected by hot dipped galvanising. Additional organic coatings such as polyamide epoxy are available on request. Nominal Size in? Total Weight d2 mm

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EEMUA 145 Weld Neck Flanges

Connections with pipe couplings 4. You can check copper nickel butt weld pipe fittings on our website , there are five main butt weld copper nickel pipe fittings. Elbow, reducer,tee,saddles and end cap. Pros: Strength and stability of the welded join is similar to that of the joined parts material Conservation of space Cheaper fabrication using no extra fittings Cons: A solid join, cannot be disconnected Assembly time is longer When different materials need to be joined, the welding process becomes more complex Sometimes the galvanic insulation is poor Welding must be performed in a clean and fire-hazard free environment 4.

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EEMUA PUB NO 144

Stub ends shall be manufactured by one or more of the following processes: a Hot forging. See Section 3. It is not intended that instrument measurements be taken on the faces themselves and the Ra and R2 values relate to the reference specimens. The mechanical properties so determined shall comply with the requirements of Table 17 of this Publication. Samples shall be selected from each cast for chemical analysis and shall comply with the requirements of Table 17 of this section.

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