Merchandise Description
Solution Description
Ductile iron pipe has the essence of iron and the houses of metal, so it is referred to as this. The graphite in the ductile iron pipe is in the form of spheroids, and the size of the basic graphite is 6-7. In conditions of quality, the spheroidization quality of the cast iron pipe is managed to be 1-3, and the spheroidization charge is ≥80%, so the mechanical houses of the content alone have been better improved, and it has the essence of iron and the performance of metal. The annealed ductile iron pipe has a metallographic construction of ferrite additionally a modest quantity of pearlite, and has very good mechanical properties, so it is also known as forged iron pipe.
| Diameter(mm) | Outer diameter(mm) | Wall thickness (mm) |
Weight/m (kg) |
Bodyweight/root(kg) | Root/km | Fat/km(ton) |
| eighty | ninety eight | six | 12.two | seventy six.five | 167 | 12.seventy seven |
| a hundred | 118 | 6.1 | 15.one | 95 | 167 | fifteen.87 |
| 150 | 170 | 6.three | 22.8 | a hundred and forty four | 167 | twenty.05 |
| 200 | 220 | 6.four | thirty.six | 194 | 167 | 32.four |
| 250 | 274 | six.eight | 40.two | 255 | 167 | forty two.59 |
| 300 | 326 | seven.2 | fifty.8 | 323 | 167 | 53.94 |
| 350 | 378 | seven.seven | sixty three.two | 403 | 167 | sixty seven.three |
| 400 | 429 | 8.one | seventy five.five | 482 | 167 | 80.forty eight |
| 450 | 480 | eight.six | 89.3 | 575 | 167 | 95.86 |
| five hundred | 532 | nine | 104.3 | 669 | 167 | 111.72 |
| 600 | 635 | nine.nine | 137.three | 882 | 167 | 147.29 |
| 700 | 738 | 10.eight | 173.nine | 1123 | 167 | 187.54 |
| 800 | 842 | 11.7 | 215.2 | 1394 | 167 | 232.8 |
| 900 | 945 | twelve.6 | 260.two | 1691 | 167 | 282.4 |
| 1000 | 1048 | thirteen.5 | 309.3 | 2017 | 167 | 336.eighty four |
| 1200 | 1255 | fifteen.3 | 420.1 | 2758 | 167 | 460.sixty nine |
Benefit
It has the essence of iron and the functionality of metal. The annealed ductile iron pipe has a metallographic framework of ferrite plus a small volume of pearlite, very good mechanical homes, outstanding corrosion resistance, good ductility, good sealing impact, easy installation, and mostly utilized for drinking water offer and gasoline transmission in municipalities, industrial and mining enterprises , Oil and so on.
A specific volume of spheroidal graphite is distributed on the ferrite and pearlite matrix. According to the nominal diameter and the specifications for elongation, the ratio of ferrite and pearlite in the matrix composition is diverse. The ratio of pearlite with little diameter Normally, it is not a lot more than 20%, and the large-caliber is normally controlled at about twenty five%.
Software
It is suited for the domestic drainage pipes of socket type and clamp kind connection of grey cast iron pipes and supporting pipe fittings with internal and exterior pipe diameters of DN50mm~DN300mm and inside force not greater than .3MPa in new development, expansion and reconstruction of civil and industrial buildings. , Rainwater pipes, non-corrosive industrial creation wastewater pipes and rain down pipes.
Company Information
Large Mountain Pipe is dedicated to the producing and product sales of different sorts of plastic pipes, fittings, valves, associated plumbing equipments, and so on. And we can offer professional remedy strategy for complete pipe system. The production and income quantity of major products of PE drinking water offer pipes and HDPE drainage pipes ranks amongst the highest in the industry.
The company handles an area of about 200,000 square meters and has 6 workshops, thirty creation strains, 300 workers, and 200,000 tons annual potential. It is a thorough business integrating science, business and trade. The industries concerned are: investigation, generation, advancement, manufacturing, and polymer materials of plastic pipes. All merchandise fulfill the requirements of national inspection requirements or company inspection expectations.
Packing&Shipping
Certificates
FAQ
Q1: May possibly I get 1 sample ahead of placing buy?
Re: Yes, Sample are accessible. For normal products, samples are for totally free and you just need to have to bear the freight For people higher price merchandise, you just need to have to freight and specified merchandise expense. When we both cooperate for some times or when you are our VIP buyer, free of charge sample will be offered when you need to have.
Q2: Which payment is obtainable for your company?
Re: T/T, L/C or Ali trade insurance policies. You can decide on the 1 which is practical for you.
Q3: How and when can I get my goods following payment?
Re: For tiny quantity goods, they will be delivered to you by international courier(DHL, FedEx, TNT and many others.) or by air. Typically it will expense 3-5days that you can get the products soon after shipping. For large quantity items,transport by see is worthwhile.It will value days to weeks to occur to your destination port, which is dependent on the place the port is.
This fall: Is there any possible to use my appointed label or deal?
Re: Yes. If required, we might like to use label or package according to your requirement.
Q5: How can you promise the goods you offer is certified?
Re: We constantly feel honesty and obligation are basis of 1 company, so what ever merchandise we give for you all are qualified. We will have products examined and give COA before supply for certain.
Q6:Is the value on this web page right?
Re: The outlined price is only for reference, for newest price, pls speak to us right.
Major merchandise
| Standard: | ISO 2531 |
|---|---|
| Tensile Strength: | ≥420MPa |
| Keyword: | Ductile Cast Iron Pipe |
| Raw Material: | Ductile Iron |
| Surface Treatment: | Anti-Corrosion Coated |
| External Coating: | Zinc + Bitumen Painting |
###
| Samples: |
US$ 2.1/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Diameter(mm) | Outer diameter(mm) | Wall thickness (mm) |
Weight/m (kg) |
Weight/root(kg) | Root/km | Weight/km(ton) |
| 80 | 98 | 6 | 12.2 | 76.5 | 167 | 12.77 |
| 100 | 118 | 6.1 | 15.1 | 95 | 167 | 15.87 |
| 150 | 170 | 6.3 | 22.8 | 144 | 167 | 20.05 |
| 200 | 220 | 6.4 | 30.6 | 194 | 167 | 32.4 |
| 250 | 274 | 6.8 | 40.2 | 255 | 167 | 42.59 |
| 300 | 326 | 7.2 | 50.8 | 323 | 167 | 53.94 |
| 350 | 378 | 7.7 | 63.2 | 403 | 167 | 67.3 |
| 400 | 429 | 8.1 | 75.5 | 482 | 167 | 80.48 |
| 450 | 480 | 8.6 | 89.3 | 575 | 167 | 95.86 |
| 500 | 532 | 9 | 104.3 | 669 | 167 | 111.72 |
| 600 | 635 | 9.9 | 137.3 | 882 | 167 | 147.29 |
| 700 | 738 | 10.8 | 173.9 | 1123 | 167 | 187.54 |
| 800 | 842 | 11.7 | 215.2 | 1394 | 167 | 232.8 |
| 900 | 945 | 12.6 | 260.2 | 1691 | 167 | 282.4 |
| 1000 | 1048 | 13.5 | 309.3 | 2017 | 167 | 336.84 |
| 1200 | 1255 | 15.3 | 420.1 | 2758 | 167 | 460.69 |
| Standard: | ISO 2531 |
|---|---|
| Tensile Strength: | ≥420MPa |
| Keyword: | Ductile Cast Iron Pipe |
| Raw Material: | Ductile Iron |
| Surface Treatment: | Anti-Corrosion Coated |
| External Coating: | Zinc + Bitumen Painting |
###
| Samples: |
US$ 2.1/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Diameter(mm) | Outer diameter(mm) | Wall thickness (mm) |
Weight/m (kg) |
Weight/root(kg) | Root/km | Weight/km(ton) |
| 80 | 98 | 6 | 12.2 | 76.5 | 167 | 12.77 |
| 100 | 118 | 6.1 | 15.1 | 95 | 167 | 15.87 |
| 150 | 170 | 6.3 | 22.8 | 144 | 167 | 20.05 |
| 200 | 220 | 6.4 | 30.6 | 194 | 167 | 32.4 |
| 250 | 274 | 6.8 | 40.2 | 255 | 167 | 42.59 |
| 300 | 326 | 7.2 | 50.8 | 323 | 167 | 53.94 |
| 350 | 378 | 7.7 | 63.2 | 403 | 167 | 67.3 |
| 400 | 429 | 8.1 | 75.5 | 482 | 167 | 80.48 |
| 450 | 480 | 8.6 | 89.3 | 575 | 167 | 95.86 |
| 500 | 532 | 9 | 104.3 | 669 | 167 | 111.72 |
| 600 | 635 | 9.9 | 137.3 | 882 | 167 | 147.29 |
| 700 | 738 | 10.8 | 173.9 | 1123 | 167 | 187.54 |
| 800 | 842 | 11.7 | 215.2 | 1394 | 167 | 232.8 |
| 900 | 945 | 12.6 | 260.2 | 1691 | 167 | 282.4 |
| 1000 | 1048 | 13.5 | 309.3 | 2017 | 167 | 336.84 |
| 1200 | 1255 | 15.3 | 420.1 | 2758 | 167 | 460.69 |
Types of Couplings
A coupling is a device used to join two shafts together and transmit power. Its purpose is to join rotating equipment while permitting a degree of end movement and misalignment. There are many types of couplings, and it is important to choose the right one for your application. Here are a few examples of couplings.
Mechanical
The mechanical coupling is an important component in power transmission systems. These couplings come in various forms and can be used in different types of applications. They can be flexible or rigid and operate in compression or shear. In some cases, they are permanently attached to the shaft, while in other cases, they are removable for service.
The simplest type of mechanical coupling is the sleeve coupling. It consists of a cylindrical sleeve with an internal diameter equal to the diameter of the shafts. The sleeve is connected to the shafts by a key that restricts their relative motion and prevents slippage. A few sleeve couplings also have threaded holes to prevent axial movement. This type of coupling is typically used for medium to light-duty torque.
Another type of mechanical coupling is a jaw coupling. It is used in motion control and general low-power transmission applications. This type of coupling does not require lubrication and is capable of accommodating angular misalignment. Unlike other types of couplings, the jaw coupling uses two hubs with intermeshing jaws. The jaw coupling’s spider is typically made of copper alloys. In addition, it is suitable for shock and vibration loads.
Mechanical couplings can be made from a variety of materials. One popular choice is rubber. The material can be natural or chloroprene. These materials are flexible and can tolerate slight misalignment.
Electrical
Electrical coupling is the process in which a single electrical signal is transferred from a nerve cell to another. It occurs when electrical signals from two nerve cells interact with each other in a way similar to haptic transmission. This type of coupling can occur on its own or in combination with electrotonic coupling in gap junctions.
Electrical coupling is often associated with oscillatory behavior of neurons. The mechanism of electrical coupling is complex and is studied mathematically to understand its effect on oscillatory neuron networks. For example, electrical coupling can increase or decrease the frequency of an oscillator, depending on the state of the neuron coupled to it.
The site of coupling is usually the junction of opposing cell membranes. The cellular resistance and the coupling resistance are measured in voltage-clamp experiments. This type of coupling has a specific resistance of 100 O-cm. As a result, the coupling resistance varies with the frequency.
The authors of this study noted that electrotonic coupling depends on the ratio between the resistance of the nonjunctional membranes and the junctional membranes. The voltage attenuation technique helps reveal the differences in resistance and shunting through the intercellular medium. However, it is unclear whether electrotonic coupling is electrostatically mediated.
Electrical coupling has also been suggested to play a role in the intercellular transfer of information. There are many examples that support this theory. A message can be a distinct qualitative or quantitative signal, which results in a gradient in the cells. Although gap junctions are absent at many embryonic interaction sites, increasing evidence suggests a role in information transfer.
Flexible
When it comes to choosing the right Flexible Coupling, there are several factors that you should take into account. Among these factors is the backlash that can be caused by the movement of the coupling. The reason for this problem is the fact that couplings that do not have anti-fungal properties can be easily infected by mold. The best way to avoid this is to pay attention to the moisture content of the area where you are installing the coupling. By following these guidelines, you can ensure the best possible installation.
To ensure that you are getting the most out of your flexible couplings, you must consider their characteristics and how easy they are to install, assemble, and maintain. You should also look for elements that are field-replaceable. Another important factor is the coupling’s torsional rigidity. It should also be able to handle reactionary loads caused by misalignment.
Flexible couplings come in many different types. There are diaphragm and spiral couplings. These couplings allow for axial motion, angular misalignment, and parallel offset. They have one-piece construction and are made from stainless steel or aluminum. These couplings also offer high torsional stiffness, which is beneficial for applications requiring high torques.
Flexible couplings have several advantages over their rigid counterparts. They are designed to handle misalignments of up to seven degrees and 0.025 inches. These characteristics are important in motion control applications. Flexible couplings are also inexpensive, and they do not require maintenance.
Beam
A beam coupling is a type of mechanical coupling, usually one solid piece, that connects two mechanical parts. Its performance is largely determined by the material used. Typical materials include stainless steel, aluminum, Delrin, and titanium. The beam coupling is rated for different speeds and torques. The coupling should be selected according to the application. In addition to the material, the application should also consider the speed and torque of the system.
There are two main types of beam couplings. The first is the helical beam coupling, which has a continuous multi spiral cut. This type of coupling offers a high degree of flexibility and compensates for a high degree of misalignment. The second type of beam coupling is the helical shaft coupling, which has a low torsional stiffness, which makes it ideal for small torque applications.
Another type of beam coupling is the multiple beam design, which combines two beams. It allows for more tolerance in manufacturing and installation and protects expensive components from excessive bearing loads. It also helps keep beams shorter than a single beam coupling. This type of coupling also enables a higher torque capacity and torsional stiffness.
Beam couplings can be manufactured with different materials, including stainless steel and aluminum. The “A” series is available in aluminum and stainless steel and is ideal for general-purpose and light-duty applications. It is also economical and durable. This type of coupling can also be used with low torque pumps or encoder/resolver systems.
Pin & bush
The Pin & bush coupling is a versatile, general-purpose coupling with high tensile bolts and rubber bushes. It can tolerate a wide range of operating temperatures and is suitable for use in oil and water-resistance applications. Its unique design enables it to be used in either direction. In addition, it requires no lubrication.
The pin bush coupling is a fail-safe coupling with a long service life and is used for high-torque applications. It provides torsional flexibility and dampens shocks, making it a flexible coupling that protects equipment and reduces maintenance costs. Its hubs are forged from graded cast iron for strength and durability. Besides, the coupling’s elastomer elements reduce vibration and impact loads. It also accommodates a misalignment of up to 0.5 degrees.
Pin & bush couplings are a popular choice for a variety of different applications. This coupling features a protective flange design that protects the coupling flange from wear and tear. The coupling nut is secured to one flange, while a rubber or leather bush sits between the other flange. Its unique design makes it ideal for use in applications where misalignment is a small factor. The rubber bushing also helps absorb vibration and shock.
Mesh tooth
Mesh tooth couplings are used to transfer torque between two shafts and reduce backlash. However, mesh tooth couplings have some limitations. One disadvantage is the break-away friction factor in the axial direction. This problem is caused by the high contact force between the tooth and gear mesh. This can cause unpredictable forces on the shafts.
In this paper, we present a FEM model for mesh tooth coupling. We first validate the mesh density. To do so, we compute the bolt stress as a uniaxial tensile during the tightening process. We used different mesh sizes and mesh density to validate our results.
The mesh stiffness of gear pairs is influenced by lead crown relief and misalignment. For example, if one tooth is positioned too far in the axis, the mesh stiffness will be decreased. A misaligned gear pair will lose torque capacity. A mesh tooth coupling can be lubricated with oil.
An ideal mesh tooth coupling has no gaps between the teeth, which reduces the risk of uneven wear. The coupling’s quality exposed fasteners include SAE Grade 5 bolts. It also offers corrosion resistance. The couplings are compatible with industrial environments. They also eliminate the need for selective assembly in sleeve couplings.
editor by czh 2023-01-24