1. hydraulic hose crimping machine in Electrical equipment&supplies
Specifications
High pressure hose to the winding wire matrix, skin coated refractory coating layer steel braided flame retardant layer
APPLICATIONS:It is mainly used in high temperature surroundings and in conditions having heat source or heat radiation source,such as oil field well-control,metal smelt,and chemical industry.
High pressure hose to the winding wire matrix, skin coated refractory coating layer steel braided flame retardant layer and laye
APPLICATIONS:It is mainly used in high temperature surroundings and in conditions having heat source or heat radiation source,such as oil field well-control,metal smelts,and chemical industry
Inner Diameter of Hose mm
Inside Diameter (mm)
Reinforcement Diameter (mm)
Outside Diameter (mm)
Work Pressure (MPa)
Proof Pressure (MPa)
Minimum Explosive Pressure (MPa)
Minimum Bending Radius mm
Refractory °C
Mpa
Psi
MPa
Psi
Mpa
Psi
φ13(1/2")
13±0.5
22.2±0.8
44±1.06
43
6230
64.5
9435
86
12460
230
750
φ16(5/8")
16±0.5
26±0.8
47±1.5
38
5506
57
8259
76
11012
260
750
φ19(3/4")
19±0.5
30±0.8
52±1.5
34.5
4999
51.75
7498
69
9998
300
750
φ25(1")
25±0.8
36±0.8
59±1.5
27.5
3984
41.25
5976
55
7968
360
750
φ32(5/4")
32±0.8
44±0.8
69±2.0
20.5
2970
30.75
4455
41
Q: What is the maximum pressure rating for ductile iron pipe?
The maximum pressure rating for ductile iron pipe typically depends on several factors such as the pipe diameter, wall thickness, and the type of joint used. Generally, ductile iron pipe is manufactured to withstand a maximum pressure rating of up to 350 psi (pounds per square inch) or higher. However, it is important to consult the specific manufacturer's specifications and guidelines to determine the exact maximum pressure rating for a particular ductile iron pipe.
Q: Can ductile iron pipes be used for water distribution networks in rural areas?
Yes, ductile iron pipes can be used for water distribution networks in rural areas. Ductile iron pipes have excellent strength and durability, making them suitable for various applications, including water distribution. They can withstand high pressure, provide a long service life, and have good resistance to corrosion and external stresses. Additionally, ductile iron pipes are relatively cost-effective and require minimal maintenance, making them a reliable choice for water distribution networks in rural areas.
Q: Can ductile iron pipes be used for water main extensions?
Yes, ductile iron pipes can be used for water main extensions. Ductile iron pipes are known for their strength and durability, making them a suitable choice for water main extensions. They can handle high pressure and provide resistance to corrosion, which is important for ensuring the longevity and reliability of the water distribution system. Additionally, ductile iron pipes have a smooth interior surface, reducing friction and improving water flow efficiency. Overall, ductile iron pipes are commonly used in water infrastructure projects, including water main extensions, due to their favorable mechanical properties and ability to withstand the demands of water distribution systems.
Q: Can ductile iron pipes be used in areas with high soil salinity?
Yes, ductile iron pipes can be used in areas with high soil salinity. Ductile iron pipes have excellent corrosion resistance and are often used for underground applications, including in areas with high soil salinity. The pipes are specially coated to prevent corrosion and are known for their durability and long service life, making them suitable for such environments.
Q: What are the different lining thickness options for ductile iron pipe?
The different lining thickness options for ductile iron pipe typically depend on the specific application and the requirements of the project. The most common lining options for ductile iron pipe include cement mortar lining, polyurethane lining, and polyethylene lining.
Cement mortar lining is one of the oldest and most widely used lining options for ductile iron pipes. It involves applying a layer of cement mortar to the inner surface of the pipe, which provides protection against corrosion and enhances the hydraulic performance of the pipe. The thickness of cement mortar lining can vary, typically ranging from 3mm to 6mm.
Polyurethane lining is another popular choice for ductile iron pipes, especially in applications where resistance to abrasion and chemical attack is required. Polyurethane linings are typically applied using a spray or casting method, and the thickness can vary depending on the specific requirements of the project. Generally, polyurethane linings can range from 1mm to 4mm in thickness.
Polyethylene lining is a relatively newer technology for ductile iron pipes and is commonly used in applications where resistance to chemical corrosion is necessary. Polyethylene linings are typically applied using a rotational lining process, where a layer of molten polyethylene is evenly distributed on the internal surface of the pipe. The thickness of polyethylene lining can vary from 2mm to 8mm, depending on the specific project requirements.
It is important to note that the lining thickness can be customized based on the specific requirements of the project, such as the corrosiveness of the transported fluid, the operating conditions, and the desired service life of the pipe. Consulting with a qualified engineer or pipe manufacturer is recommended to determine the most suitable lining thickness for a particular application.
Q: How does ductile iron pipe perform in areas with high water hammer?
Areas with high water hammer are well-suited for the use of ductile iron pipe, as it exhibits exceptional performance in these conditions. The robustness and durability of ductile iron enable it to withstand the forceful impact of water hammer without experiencing significant damage.
Water hammer is characterized by a sudden surge in pressure resulting from the rapid alteration of water flow direction or velocity, often occurring when valves are swiftly closed. This abrupt pressure change places substantial stress on pipes, potentially leading to ruptures or failures.
Nevertheless, ductile iron pipes possess outstanding resistance to such impact due to their unique composition and manufacturing processes. These pipes are comprised of a blend of iron, carbon, and small quantities of other elements like silicon and magnesium. The formation of graphite nodules during manufacturing grants ductile iron its exceptional strength and flexibility, rendering it less prone to cracking or breaking under pressure.
In environments where water hammer is prevalent, ductile iron pipe's inherent strength and resilience allow it to absorb and dissipate the force generated by water hammer events. Its capacity to endure sudden pressure changes aids in preventing pipe failures, thereby minimizing the risk of leaks or bursts.
Furthermore, the smooth inner surface of ductile iron pipes reduces the likelihood of water hammer incidents by minimizing turbulence and maintaining a steady flow. This particular attribute assists in mitigating the impact of water hammer on the pipe system.
Overall, ductile iron pipe emerges as an ideal choice for areas prone to high water hammer due to its exceptional strength, impact resistance, and ability to withstand abrupt pressure changes. Its performance under such conditions ensures the longevity and dependability of water distribution systems.
Q: Ductile iron pipe is flexible pipe or rigid pipe
The flexible tube and you say should refer to the common steel pipe and seamless steel pipe, because the two are by the simple method according to the needs and the deformation, in other words, ductile iron is cast out without deformation.
Q: How can stainless steel pipes and ductile iron pipes be joined?
The ductile iron pipe is connected to the ball milling cast iron pipe by spigot and socket
Q: Can ductile iron pipes be used in areas with high soil erosion?
Yes, ductile iron pipes can be used in areas with high soil erosion. Ductile iron is known for its high tensile strength and durability, making it resistant to external forces such as soil erosion. It is a suitable choice for underground piping systems in such areas, providing long-term reliability and stability.
Q: Advantages and disadvantages of ductile iron pipes
Generally not used in high pressure pipe network (6MPa or more). Because the pipe is relatively bulky, the machine must be used when installing. When the water leak occurs after the test, all the pipes must be dug out, and the pipe can be hoisted to the height of the clamps. The clamps can be installed to prevent leakage.
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Ductile Iron Pipe For Water Project Of Good Quality From China
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