Ductile Iron Pipe-ISO2531,EN545,EN598,AS2280,K9,K10,K12

Payment Terms:	L/C, T/T

Company Profile

Metals International Limited

Location:	China (Mainland)
Business Type:	Manufacturer, Trading Company, Distributor/Wholesaler

Product Detail

Means of Transport:	Ocean

Product Description

DUCTILE IRON PIPE

Nominal Thicknesses for Standard Pressure
Classes of Ductile Iron Pipe

Size in.	Outside Diameter in.	Pressure Class
		150	200	250	300	350
		Nominal Thickness -- in.
3	3.96	-	-	-	-	0.25*
4	4.80	-	-	-	-	0.25*
6	6.90	-	-	-	-	0.25*
8	9.05	-	-	-	-	0.25*
10	11.10	-	-	-	-	0.26
12	13.20	-	-	-	-	0.28
14	15.30	-	-	0.28	0.30	0.31
16	17.40	-	-	0.30	0.32	0.34
18	19.50	-	-	0.31	0.34	0.36
20	21.60	-	-	0.33	0.36	0.38
24	25.80	-	0.33	0.37	0.40	0.43
30	32.00	0.34	0.38	0.42	0.45	0.49
36	38.30	0.38	0.42	0.47	0.51	0.56
42	44.50	0.41	0.47	0.52	0.57	0.63
48	50.80	0.46	0.52	0.58	0.64	0.70
54	57.56	0.51	0.58	0.65	0.72	0.79
60	61.61	0.54	0.61	0.68	0.76	0.83
64	65.67	0.56	0.64	0.72	0.80	0.87

*Calculated thicknesses for these sizes and pressure ratings are less than those shown above. Presently these are the lowest nominal thicknesses available in these sizes.

Pressure classes are defined as the rated water working pressure of the pipe in psi. The thickness shown above are adequate for the rated water working pressure plus a surge allowance of 100 psi. Calculations are based on a minimum yield strength in tension of 42,000 psi and 2.0 safety factor times the sum of working pressure and 100 psi surge allowance.

Thickness can be calculated for rated water working pressure and surges other than the above.

Ductile Iron pipe is available for water working pressures greater than 350 psi.

Pipe is available with thicknesses greater than Pressure Class 350.

Specifications

AWWA Standards

The following standards are available from the American Water Works Association:

ANSI/AWWA C104/A21.4 -- American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

ANSI/AWWA C105/A21.5 -- American National Standard for Polyethylene Encasement for Ductile-Iron Pipe Systems

ANSI/AWWA C110/A21.10 -- American National Standard for Ductile-Iron and Gray-Iron Fittings, 3-inch through 48-inch, for Water and Other Liquids

ANSI/AWWA C111/A21.11 -- American National Standard for Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings

ANSI/AWWA C115/A21.15 -- American National Standard for Flanged Ductile-Iron Pipe with Ductile-Iron or Gray-Iron Threaded Flanges

ANSI/AWWA C116/A21.16 -- American National Standard for Protective Fusion-Bonded Epoxy Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings for Water Supply Service

ANSI/AWWA C150/A21.50 -- American National Standard for the Thickness Design of Ductile-Iron Pipe

ANSI/AWWA C151/A21.51 -- American National Standard for Ductile-Iron Pipe, Centrifugally Cast, for Water

ANSI/AWWA C153/A21.53 -- American National Standard for Ductile-Iron Compact Fittings, 3-inch through 24-inch and 54-inch through 64-inch, for Water Service

ANSI/AWWA C600 -- AWWA Standard for Installation of Ductile-Iron Water Mains and Their Appurtenances

ASTM Standards

The following standards are available from the American Society for Testing and Materials

ASTM A674 – Standard Practice for Polyethylene Encasement for Ductile Iron Pipe for Water and Other Liquids

ASTM A716 – Standard Specification for Ductile Iron Culvert Pipe

ASTM A746 – Standard Specification for Ductile Iron Gravity Sewer Pipe

AWWA Manual on Ductile Iron Pipe and Fittings

The following manual is available from the American Water Works Association

Ductile-Iron Pipe and Fittings (AWWA Manual M41) – This manual provides both technical and general information to aid in the design, specification, procurement, installation, and understanding of ductile iron pipe and fittings. It is intended for use by utilities and municipalities of all sizes, as well as, design engineers and consultants.

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