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Unlined (UNL) Single Cement Lining (SCL) Double Cement Lining (DCL) All dimensions shown are nominal with units = inches Pipe classes listed in ascending order of thickness per diameter. PIPE SIZE.
This table shows thickness class of pipe necessary for the rated water working pressures. The thicknesses in this table are equal to or in excess of those required to withstand the rated working pressures plus a surge allowance of 100 psi. Ductile Iron pipe for working pressures higher than 350 psi available.
Ductile iron pipe dimensions vary from region to region. Nominal Diameter or DN, a dimensionless term is used to specify ductile iron pipe dimensions. Similar to steel pipes, the outside diameter of ductile iron pipes is kept constant, and depending on the pipe thickness the inner diameter varies.
Select the thickness for 24" Ductile Iron pipe laid on a flat bottom trench with backfill lightly consolidated and laying condition Type 2 under 10 feet of cover for a working pressure of 300 psi. Step 1.
Dimensions of Ductile Iron Pipe Special Pressure Classes (customary U.S. units). Iron Pipe per. ANSI/AWWA C150/A21.50 and ANSI/AWWA C151/A21.51
Typical dimensions of ductile-iron pipes according AWWA C151/A.21.51 Ductile-Iron Pipe, Centrifugally Cast.
perfected the production of Ductile Iron pipe, which is superior in strength to cast iron, and was the first in the industry to use Ductile Iron exclusively for all its pressure pipe and fittings. This U.S. Pipe International Sales catalog covers DN 100 - 1600 mm ISO Pipe and Fittings.
And, once installed, Ductile Iron pipe is virtually maintenance free. The pipe is manufactured in 18- or 20-foot nominal laying lengths and 3- to 64-inch diameters in a range of standard pressure classes and nominal wall thicknesses.
Average inside diameter is calculated using DIPS OD and Minimum wall plus 6% for use in estimating fluid flows. Actual ID will vary. When designing components to fit the pipe ID, refer to pipe dimension and tolerances in the applicable pipe manufacturing specification.
Pipes: Pipes shall conform to BS EN 545:2010; wall thickness shall be class C40 for the sizes DN 80mm to DN 400mm, class C30 for the sizes DN 450mm to DN 600mm and class C25 for the sizes DN 700mm to DN 2000mm.