输配水管网采用了球墨铸铁管和钢管。
Graphite cast iron pipes and steel pipes are used for the water supply and distribution pipe network.
利用等温锻造方法可生产优质的球墨铸铁管。
Using the method of isothermal forging spheroidal graphite cast iron pipe of good quality can be produced.
球墨铸铁管件。
平焊法兰连接法也是与铸铁管及钢管之间简单的连接方法。
The connection method between the simple flange connection method and cast iron pipe and steel pipe.
主导产品有工业阀门、铸铁管件、汽车模具、数控机床铸件等。
Industrial Valves, Iron casting pipes, auto mould, numerical control machine casting are their main products.
铸铁管用于给水、排水和煤气输送管线，它包括铸铁直管和管件。
The cast iron pipe is used for water supply, drainage and gas transmission pipeline.
本文重点阐述蠕墨铸铁管的性能和用于城市次高压煤气管网的可行性。
This paper describes the character of vermicular cast iron pipe and the use of it in the sub-high pressure town gas pipeline.
铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。
Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar-lining at the inter-surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar lining at the inter surface of cast iron pipe and the quality inspection of the products.
论述了承插式铸铁管作井管的优点和设计原理，实践证明效果良好，值得推广。
The paper introduces design principle of pipe well using socket and spigot connected cast iron pipes as pipe material. The results are effective.
穿过房屋下面的排水管道，必须使用铸铁管，这是排水管所用的最昂贵的材料。
Drains which pass under a house must be of cast iron, the most expensive material for pipe drains.
标准B16.1 -包括铸铁管道法兰和法兰连接件(125磅级和250磅级)。
A. N. S. I. Standard b16.1-covers cast iron pipe flanges and flanged fittings (Class 125 and 250).
铸铁管件由于材质和形状的特殊性，一般采用热镀锌，但耗锌量大，能耗大，成本高。
Hot dip galvanizing is commonly used in plating cast iron pipe due to the particularity of material and shape, resulting in high zinc and energy consumption and high cost.
按铸造方法不同，分为连续铸铁管和离心铸铁管，其中离心铸铁管又分为砂型和金属型两种。
According to different casting methods, divided into continuous cast iron pipe and the centrifugal cast iron pipe, wherein the centrifugal cast iron pipe is divided into two types of sand and metal.
传统的镀锌钢管和普通排水铸铁管由于易锈蚀、自重大、运输施工不便等原因已逐渐被取代。
The traditional galvanized steel tube and ordinary drainage iron pipe due to easy to rust, since the major, transportation construction inconvenience of reason has gradually be replaced.
物理性质与球墨铸铁管类似，但在延伸率等较多方面均劣于球墨铸铁管，但灰口铸铁管价格适中。
Its physical property is similar to that of spheroidal graphite iron tubes, but some aspects such as elongation percentage are inferior to the spheroidal graphite iron tubes.
喷镁球化工艺在生产离心铸造球墨铸铁管中取得了良好效果，提高了铸管质量，降低了生产成本。
Spraying Mg spheroidization technology in the production of centrifugally nodular cast iron pipes has achieved good effect in improving casting quality, reducing production costs.
介绍了国内外无溶剂聚氨酯涂料在球墨铸铁管防腐领域的应用情况以及此涂料涂装工艺的研究进展。
The application of solvent free polyurethane coating in the field of anticorrosion coating for ductile iron pipes and the progress of this painting technology were introduced in this paper.
这两种特殊水泥涂层均适用于污水管道用球墨铸铁管的内防腐，提高抵抗污水中酸碱成分的侵蚀能力。
The two special cement coatings are applicable to sewage pipeline internal corrosion for ductile iron pipe, improve the ability to resist the erosion of acid components in sewage.
铸铁管的主要特点是强度高、韧性好、管壁薄、耐腐蚀，广泛应用于城市及工业供排水和燃气的输送等。
The cast iron pipes have many advantages, such as high strength, good toughness and corrosion resistant. They are used widely for supply draining water and gas transportation in city and industries.
简要介绍了球墨铸铁管材料的特点，特别探讨了球墨铸铁管在新领域——高压消防水系统中应用的可行性。
The characteristics and advantages of ductile iron material are briefly described in this article, especially, the feasibility about being used in high pressure fire fighting system is discussed.
应用离心铸造工艺生产球墨铸铁管，连续快速提供化学成分和温度均合格的优质铁液是生产的关键环节之一。
One of keys of production of centrifugal casting pipe of s. g. iron is continuous and fast delivery of qualified base iron with proper chemical composition and temperature.
本文介绍了RPM管的主要性能，并与塑料管、钢管、球墨铸铁管及钢筋混凝土管的相应性能作了分析和比较。
The main properties of RPM pipe are introduced and compared with the properties of the plastic pipe, steel pipe, ductile iron pipe and reinforced concrete pipe.
通过与玻璃钢管、钢管、铸铁管、混凝土管主要性能的比较，进一步阐明了该管道的经济技术优势和广阔的发展前景。
By comparing main properties of pipe with FWRPM, FRP pipe, steel pipe, Cast iron pipe and reinforce concrete make know technical economic superiority of FWRPM pipe and its broad developing prospects.
无承口离心排水铸铁管的安装和拆卸均非常方便，但要注意不锈钢卡箍橡胶密封接口的安装方法和管道局部支吊架的特殊要求。
When using centrifugal cast iron pipe, we should pay attention to its installation and technical requirements, such as that of stainless steel clasp and local support and hanger of pipe.
本公司专业生产工程机械、汽车、发动机及排污管等铸件。产品展示：夹钳、行星轮架、差速器壳、支架、轴承盖、铸铁管等产品。
This company produces engineering machinery, automobile, engine, cast iron pipe and so on casting. Produc demonstration: clamp, planet Rack, Support, bearing cap, cast iron pipe, Products and so on.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
为了提高水冷型离心机球墨铸铁管的成形率，降低废品率，对球墨铸铁管气孔、针孔产生的原因进行了分析，并提出了一些预防措施。
The paper reported the development and fine property of the nodular cast iron pipe used in gas pipeline, as well forecasted its market prospect.
介绍了大口径球墨铸铁管的主要性能特点，并通过黄河水源太原市城市给水工程，就大口径球墨铸铁管在设计与施工中的要点进行了论。
Main points in design and construction concerning the large diameter nodular cast iron pipeline are described by means of Taiyuan water supply engineering from the Huanghe River.
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