For dn 350 to 600, natural pipes are class 30, c30. Ductile iron gives constant performance the nominal bore of ductile iron pipe is the minimum bore you can expect for a given size. Get uptodate business information, contact details, latest news and press releases and people contacts on zawya mena edition. Which one is better, ductile iron pipes and mild steel. The test pressure shall not be less than 150 psi at the highest point. Amiantit website our mother company for references and links dipra ductile iron pipe research association. Ductile iron replaced gray cast iron as pipe material in the early 1970s. Sadip is producing ductile iron pipes in the range of 80mm to 2000mm diameter. At that time, there were various infectious diseases spread within japan. Saintgobain pam leader of comprehensive ductile iron pipe and fittings for water and sewage networks. Saudi arabian ductile iron pipes company ltd sadip, saudi. Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water transmission and distribution. Ductile iron pipes, fittings and accessories product guide english pdf.
Ductile iron is an ironcarbonsilicon alloy with a nodular graphite structure that produces a strong, ductile material. Ductile iron pipes, fittings and accessories pdf resolution low. Pipes are lined internally by sulphate resistant cement mortar lining type v. A more detailed description of the joints used with ductile iron pipe is found in chapter 5 of this manual. Water test for ductile iron pipe all new water pipeline construction shall be hydrostatically tested in accordance with hydrostatic testing, awwa c600. Ductile iron pipes, fittings and accessories catalogue english pdf click download ductile iron pipes, fittings and accessories product guide english pdf click download pu polyurethane coating english pdf click download. For dn 60 to 300, nominal thickness of the ductile iron is the one for class 40, c40, defined by en 545. Flanged joints are dimensioned and drilled according to iso 2531, iso 70052 and bs 4504. Birmingham, alabama, with 14 iron foundries and related businesses across the united states, canada, australia, china, india and abu dhabi. Cement lining cement lining is applied internally by a centrifugal process, in which the mortar is introduced into the pipe and rotated at high speed, giving excellent compaction. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them.
Code of practice for use and laying of ductile iron. No more thorough and comprehensive standard design procedure exists for any piping material. It was established in 1988 when a joint venture between amiantit and pont a. Di pipes and fittings have similar properties with cast iron, however, the addition of magnesium content in ductile iron continue reading ductile iron pipes. Submittal buttons and cover page entry will be displayed once an item has been selected. For dn700, the nominal thickness of the ductile iron for pipes and fittings is calculated as a function of the dn. The ability of couplings to join dissimilar pipe materials is a bonus feature in both repair or permanent situations. The ductile iron pipes are modeled by 3dimension shell element. This type of pipe is a direct development of earlier cast iron pipe, which it has superseded. Moreover, it requires only simple jointing details which allows for a faster rate of construction. Hydraulic flow characteristics are not altered by pressure increases or decreases.
Ductile iron pipes, fittings, accessories and their joints for gas pipelines dn 80 600mm ductile iron pipesexternal zincbased coating, zinc rich paint with finishing layer suitability of nonmetallic products for use in contact with water intended for human consumption with. The standard nominal sizes dn of pipes to fittings are from 80 mm to 2000 mm. Ductile iron pipes, fittings and accessories catalogue english pdf click download. A discussion of steel pipe versus ductile iron pipe. Mar 05, 2011 the key difference between ductile iron and cast iron is that we use ductile iron for water pipes due to its durability while we use cast iron usually for engineering and construction structures because of its stability ductile iron and cast iron are. Pipe has supplied the critical components to ensure our nations water and sewer infrastructure is built to last. Designed to join pipes of various outside diameters with the same or different nominal bore, such as steel pipes, ductile iron pipes, upvc pipes, cast iron pipes, asbestos cement pipes and other rigid pipe materials. In either case, the result is a calculated wall thickness for steel pipe that is 35 percent thinner than for ductile iron pipe, even though the pipes have the same yield strength.
Ductile iron pipes, ductile iron pipe manufacturer in china 0086315150339. Onsite hydrostatic pressure leak testing of cast iron spun pipes. Select the pdfs you want to add to your submittal package from the list below, or click each link for individual pdfs. Usiflex boltless flexible joint pipe is ideally suited for underwater installations where the high cost of equipment and manpower emphasizes the importance of ease and speed of assembly. With more than double the tensile strength and much higher ductility than that of cast iron, ductile iron pipes are simple to joint, can be laid in all weather conditions and often without the need for selected backfill. Rate of corrosion of ductile iron and cast iron pipe. This technical publication discusses the design basis and important criteria used in the wall thickness design of ductile iron pipe. This triggered gonshiro kubota, our founder, to produce the first iron pipes in japan. Ductile iron pipes saudi arabian ductile iron pipes sadip is a member of amiantit groups of companies and was established in 1988 in a joint venture between amiantit group and saint gobain pont a. Mar 05, 2011 the key difference between ductile iron and cast iron is that we use ductile iron for water pipes due to its durability while we use cast iron usually for engineering and construction structures because of its stability ductile iron and cast iron are useful in the metal industry on an everyday basis. Ductile iron pipe internal bore is always greater than nominal diameter.
High mechanical properties tensile strength, elongation, hardness. The ductile iron used to manufacture the pipe is characterized by the spheroidal or nodular nature of the graphite within the iron. Sadip can offer any other lining or coating as per customer requirement. Nov 26, 2015 ductile iron pipes, fittings and accessories pdf. Saudi arabian ductile iron pipes sadip is a member of amiantit groups of companies and was established in 1988 in a joint venture between amiantit group. Sadip produces pipes of ductile iron a metal only dated few years back, specifically in the year 1948, as a result of an unusual event taking place when a small amount of magnesium was added to molten cast iron, the new metal had unique characteristics such as. It was established in 1988 when a joint venture between amiantit group and saint gobian pont a. Quickly recognized as a pipe material with all the good qual. Ductile iron pipe and fittings saintgobain pam international. A more detailed description of the joints used with ductileiron pipe is found in chapter 5 of this manual. Since then, our long technical experience realized ductile iron pipes with excellent strength, durability and. Ductile iron pipes available in the market place as a commodity product where a tensile.
Geometric nonlinearity and also material nonlinearity to evaluate the large pipeline displacement are the considered in the fem analysis. It has been estimated that almost half of all new water mains installed in north america are ductile iron. Di pipes and fittings have similar properties with cast iron, however, the addition of magnesium content in ductile iron pipe allows itself to exhibit excellent ductility, good. For watermain pipe size above 600mm, steel pipes are recommended because steel pipes are lighter than ductile iron pipes for the same material strength and therefore the cost of steel pipes is normally less than that of ductile iron pipes. Ductile iron pipe versus hdpe pipe 1 introduction there is a myriad of factors that design engineers consider when designing and specifying a potable water pipeline. Ductile iron pipe due to the use of socket connection, and the general use of welded steel pipe, and both pipe diameter and diameter are inconsistent, so the need for special methods for connection. All sadip pipes and fittings are manufactured from s. The charac teristic of joint and soil are modeled by joint spring and soil spring respectively.
Ductile iron pipes, ductile iron tubes, ductile iron tubing, ductile iron piping, ductile iron casing. Sadip produces pipes of ductile iron a metal only dated few years back, specifically in the year 1948, as a result of an unusual event. Onsite hydrostatic pressure leak testing of cast iron spun. Ltd sadip ductile iron pipes, fittings and accessories low resolution pdf. Earlier a machine had been designed by csirampri, bhopal earlier design for hydrostatic pressure testing using ductile iron pipes figure 1 morchhale, goel. Research of earthquake resistant ductile iron pipe erdip. This strong, safe, and reliable product has stood the test of time. Di pipes and fittings have similar properties with cast iron, however, the addition of magnesium content in ductile iron pipe allows itself to exhibit. Saudi arabian ductile iron pipes sadip is a member of amiantit groups of companies and was established in 1988 in a joint venture between amiantit group and saint gobain pont a. Ductileiron pipe and fittings american water works. Saudi arabian ductile iron pipes company ltd sadip. As a rule of thumb, it is widely accepted that cast iron and ductile iron pipes as well as steel pipes, corrode at 18 lb 8. Pipe socket standard or triduct pushon joint type, fittings socket is triduct pushon joint. A century ago, dedicated american engineers installed iron pipe to create the countrys water systems.
Mcwanes divisions focus on the safe, environmentally friendly manufacturing of ductile iron pipe, soil pipe, soil fittings and utility fittings, waterworks valves and fire hydrants. Usiflex ductile iron pipe 448 usiflex pipe is a simple, rugged, bottletight flexible restrained joint without the use of bolts. Sadip pipes, pressures maximum permissible 2 the maximum permissible pressure indicates the highest pressure that a pipeline component can permanently sustain at a given temperature. It was established in 1988 when a joint venture between amiantit group and saint gobain pont a. Saudi arabian ductile iron pipes company ltd sadip, saudi arabia company information. The items discussed herein are based on steel pipe that meets or exceeds the physicalmechanical properties of ductile iron pipe. A discussion of steel pipe versus ductile iron pipe physical. The result here is that ductile iron pipe has a design pressure of 225 psi at 50% yield while steel pipe design uses 150 psi at 50% yield or 225 psi at 75 percent yield. Ductile iron maintains the traditional qualities of cast irons, resulting from the high carbon content. Ductile iron pipe is a pipe made of ductile cast iron commonly used for potable water transmission and distribution. This brochure compares the short and longterm structural and. Pipe is the recognized leader in highly engineered pipe products for water and wastewater systems.
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