Flange Adaptor with Epoxy Coating

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Specifications

universal for uPVC,AC,CS,CI & DI pipe
DN40-DN600(1-1/2"--24")
WRAS certificated EPDM
ISO9001 factory

Flange adaptor  universal type for uPVC,asbestos-cement,carbon steel,cast iron,ductile iron pipe

Materials:  GGG50 body and gland

                   EPDM rubber gasket

                   carbin steel bolting grade 8.8 with rubber protection caps

Size available:   DN40--DN600  (1-1/2"--24")

       

Working pressure: PN10/16/25

Definition

Ductile iron pipe is magnesium or rare earth magnesium combined with golden agent in molten iron pouring before joining, nodulizing graphite, stress concentration is reduced, so that the pipe with high strength, high elongation, impact resistance, corrosion resistance, the advantages of good sealing; wall using cement mortar lining, improving water conveyance pipeline

Environment, improve the water supply capacity, reduce energy consumption; pipe adopts the flexible interface, and the pipe itself has larger elongation, the piping flexibility, can the soil around the pipeline and work together in the buried pipeline, improve the stress state of the pipeline, thus improving the reliability of pipe network operation. Therefore, at present our country water industry usually uses the ductile iron pipe as the competent material

The design requirements

The buried depth of pipeline shall be determined according to the degree of freezing, external load and other factors such as pipeline crossing. In general, buried depth may be frozen at the line 0.2 meters below, and meet the following conditions: when the diameter is larger than 100mm, the top of the pipe of minimum depth is 1.20 meters.

Design of trench bottom width is generally pipe outside diameter of 0.5 meters, and according to the soil condition, determination of excavation slope (I) of nodular cast iron pipe and other pipe like, uniform flow of water head loss along hf= lambda /dv2/2g, the difference is only "lambda" (the hydraulic frictional resistance coefficient), i.e., the head loss can be calculated according to the the original cast iron pipe the local resistance loss.

Nodular cast iron pipe and other pipe like, uniform flow of water head loss along as well as hf= lambda /dv2/2g, the difference is only "lambda" (the hydraulic frictional resistance coefficient), i.e., the head loss can be calculated according to the original cast iron pipe the local resistance loss. The emergence of ductile iron pipe provides a new pipe with excellent performance for our water supply industry. In order to apply the ductile cast iron pipe is better in engineering, design and construction personnel should be familiar with the characteristics of nodular cast iron pipe, constantly discover and solve the problem, to make the design more reasonable, the construction is more standardized, so that the new pipe to play a greater role in water supply project.

Characteristic

Strong corrosion resistance, withstand bending, convenient, no peculiar smell harmless water joint health etc.



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Q:How can the ductile iron pipe be punched?
Main points: manual hydraulic drilling machine and drilling machine, drilling machine is to rely on human features manually through the drill holes in the pipeline: the need for manpower and time, simple operation and economic benefits; characteristics of the hydraulic drilling machine is through the electric pump or gasoline pump driven drill holes: human, mechanical opening. The need for daily maintenance, high cost. General aperture 300mm can be done by hand drilling machine
Q:How many kinds of elbow of ductile iron pipe?
You can measure the big money to camber, can call to the manufacturers to build. Seems to have 12.5 and 22.5 degrees, in the first two months we used 22.5 degrees elbow, the drawback is not good pull
Q:How to inspect ductile iron pipe fittings?
While the proportion of the so-called K8 class cement pipe and some manufacturers terrifying 3/4 or 3/5, as the water supply pipe 3/5 or no personally think that two of the proportion of the tube is not the problem, the most intuitive way of judging the quality of ductile pipe is cement and iron thickness ratio of thicker tube wall thickness of cement the better the quality, some manufacturers of production pipe, thick wall pipe head cast iron part looks to be thick, but there is also a thin iron pipe, so the judge quality to cut inside, personally think that the highest price of the manufacturer is Jinan steel, Jinan Iron and steel because the pipe quality can reach the national standard K9, the price is also below new, Saint Gobain and other major brands, as the water supply pipe K8 is no problem, but the price and quality for the construction of what importance Stronger.
Q:Could you tell me how to weld ductile iron parts and steel tubes?
MG289 electrode can be selected, welding electrodes and ductile iron into eighty degrees around the pipe around OK, and the intensity is higher than the strength of the cast iron. Direct cold, no heat treatment after welding.
Q:Connecting process of ductile iron pipe spigot and socket rubber ring
The material is made of metal rubber. It is a kind of homogeneous elastic porous material. It not only has the elasticity of rubber, but also has excellent characteristics of metal, it can work at -150~800 centigrade temperature. At the same time, it can also bear pressure and within a certain range has dual functions of pressure and seal.
Q:How can ductile iron pipes be connected to steel tubes?
Disk or disk plug connection, it is best to use flange connection.
Q:How much is the installation of a two degree elbow for ductile iron pipe fittings at 11.25 degrees?
The following is the ductile iron pipe specification and quotation: name of material specifications (KG weight / root unit note DN100 ductile cast iron ductile iron DN150 9552006 meters 14441006 meters 19440006 meters DN250 DN200 ductile cast iron ductile cast iron ductile iron DN300 25506 meters 32339506 meters 40306 meters DN400 DN350 ductile cast iron ductile iron ball 48239506 meters DN450 graphite cast iron ductile iron DN500 57740506 meters 66940506 meters 88241506 meters DN700 DN600 ductile cast iron ductile cast iron ductile iron DN800 112342506 meters 139443006 meters 169006 meters DN1000 DN900 ductile cast iron ductile cast iron ductile iron DN1200 201706 meters to 275806 meters
Q:Comparison of C and K grades of ductile iron pipes
C grade tube is the latest international standard for ductile iron pipes. The product standard is ISO2531:2009, which is compared with the original standard ISO2531:2003 class K pipe code. Pipe usage remains unchanged. But the new standard (C pipe) classification is based on the allowable work pressure grade of the pipe, while the original standard (grade K tube) is classified according to the pipe wall thickness grade.
Q:What are the categories of ductile iron pipe fittings?
The heat pipe trench is in rotational groove tube internal high temperature composite cold water general PE, cohesive force is very strong and do the destructive test will be found with a knife, the pipe made by hot plastic process, lined with PE layer inside the hard to cut down. The injection pipe is a kind of composite pipe formed by injection of PP into the inner part of the groove pipe.
Q:How can the ductile iron pipe be connected to the PE pipe?
Other ways of connecting steel and plastic excessive, one end is PE, and the other end is iron pipe fittings, but not as reliable as flange pressure, different systems pipe connection, it is recommended to use flange connection.

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