What Does 3D or 5D Mean for Pipe Fittings Bend?

3D or 5D Pipe Fittings are always use for pipeline connection, the difference is the radius. it can be divide to 3D,5D,6D,7D,10D etc.

3D pipe bending is a pipe bend that the bend radius is 3 times the pipe outside diameter. The RADIUS of a 5D pipe bend is actually what is 5 times the nominal diameter. So if you had a 10″ diameter pipe, the radius of the centerline of the bend would be 50 inches.

Larger numbers have smoother curves. Smoother curves are often used for applications with higher pressure, abrasion or corrosion.

Description of 3D,5D,10D pipe bends

Bends are always part of piping systems. Where standard fittings do not work, induction bends are the next best option. Induction bends in particular meet the demands of stringent technical requirements: Heavy wall, post-bend heat treatment, quenching & tempering, tangents with beveled ends etc.

Bends are made from straight pipe. Common bending radii are 3 and 5 times the pipe size (3R and 5R bends, where R=Nominal Pipe Size – nominal diameter – not radius). 3R bends are available from stock. Larger bends can be custom made, preferably by hot bending. Only seamless or electric-resistance-welded pipe is suitable for bending.

Although 1D and 1.5D bends are readily standard and available within the industry, these particular bends radii will not suit every need, thus 3D and 5D bends differ from the 1D or 1.5D industry standard.

The “D” represents the outside diameter of the pipe, measured in inches, The bends radius is then multiplied by the outside diameter to indicate the type of bend to be made. 3D and 5D Bends are significantly larger than the standard. resulting in larger radius to serve a variety of purposes.

3D Pipe Bend | 5D Bend | Seamless Pipe Bend | 2.5D Pipe Bend | 10D Pipe Bend | 22D Pipe Bend | Hot Pipe Bend | Pipe Spool Manufacturers | Long Radius Bend / LR Pipe Bend | Piggable Bend | Hot Pipe Bend | Hot Induction Pipe Bend | U Pipe Bend | J Pipe Bend | Mitered Pipe Bend | Customized Pipe Bend | Stainless Steel Pipe Bend | Duplex Stainless Steel Pipe Bend | Alloy Steel Pipe Bend | Carbon Steel Pipe Bend

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