网页Ductile Iron Pipe Research Association (DIPRA) published a proven environmental evaluation system which allows engineers and utilities to determine areas of required external protection for cast gray iron pipe.
网页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.
网页Metalfit manufactures Ductile Iron and Gray Cast Iron Flanged Fittings for both Waterworks and Industrial applications and conforms fully to the required industry standards. Flanged Fittings are manufactured in accordance with ANSI/AWWA C110/A21.10 and …
网页Specification for Ductile Iron Castings." Tyton Joint is U.S. Pipe’s trademark for pipe with a push-on type connection. Simplicity, sturdiness and watertightness are built into the system by design. Convincing proof of its worldwide acceptance is shown by the fact that more than 95% of the pipe now sold by U.S. Pipe is Tyton Joint.
网页In the early 1960’s, U.S. Pipe perfected the production of Ductile Iron pipe, which is superior to gray iron in strength and durability. U.S. Pipe, since 1977, has used Ductile Iron exclusively for all its
网页Ductile Iron locking segments, inserted through a slot (or slots) in the bell face, provide a positive axial lock between the bell interior surface and a retainer weldment on the spigot end of the pipe.
网页The Griffin Duo-Sleeve is designed with a larger inner diameter for use on older pipelines of cast iron with oversized diameters (OD). The Duo-Sleeve allows cutting into and adapting to the older pipelines with newer ductile iron pipe, fittings or valves.
网页Mechanical Joint Fittings and accessories are made to meet all applicable requirements of ANSI/AWWA C110/A21.10, 3” through. 48” and ANSI/AWWA C111/A21.11. ANSI/AWWA C104/A.21.4, Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water.