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How Hard is Ductile Iron Round Square Manhole Cover?
Manhole covers are an indispensable product in our life today, and manhole covers are needed in many places such as residential areas, roads and greening, but many people do not understand it well. I doubt the difficulty. Supports cars and people. let’s find out Ductile iron manhole covers ...Read more -
Problems in transporting ductile cast iron pipes and their solutions
Bundle truck All pipes must be attached to trucks and rolling stock to prevent and mitigate damage to paint and lining. The pipe can be equipped with a cart, pyramid, or straight side formation. DN250 pipes are available in bundles of 100 or as a single pipe at your option. DN 300 DN1200 Ductile ...Read more -
Application of heat treatment of nodular cast iron manhole cover
After heat treatment, ductile iron fence caps should be used. Due to casting defects such as pores, cracks, holes and spiral porosity, coarse grains, uneven structure and residual stresses in the cast steel casting, strength, in particular plasticity and toughness, of cast steel parts is greatly ...Read more -
How to maintain ductile iron pipes in winter?
It should be said that super-strong bearing capacity, various anti-corrosion treatments, water quality assurance, ductile iron pipe is one of the necessary materials for pipeline water supply. The cold winter is coming soon. We all know that winter temperatures in North Korea are relatively cold ...Read more -
What is the difference between ductile iron pipe and machine-made cast iron pipe
1. Different concepts Machine-made cast iron pipes are flexible interfacial drainage cast iron pipes produced by centrifugal casting, and the interface is generally W-type clamp type or A-type flange socket type. The ductile iron tube is a tube cast by high-speed centrif...Read more -
What is a pool grille
There are many people who like to swim. If you're a swimmer, you can't help but pay attention to your swimming gear. Next to the pool is a circle of overflow grids, usually made of ABS and PP. Grids are placed in the ditch around the pool. This is a very important part t...Read more -
How to install the ductile iron pipe?
Precautions before installation Before digging in general: First remove obstructions, level the ground, lay logs along the ditch, then lay flexible pipes according to the plan, pointing all sewer sockets to the water inlets and wedged. For stony soil layers, attention sh...Read more -
How to deal with the rust of cast iron pipe fittings
The longer you use the ductile cast iron manhole cover, the more problems you will have. Therefore, in order to deal with these problems, you first need to know how to deal with them and how to treat them. I will discuss you with them today. Let's talk about potential pr...Read more -
What is ductile iron manhole cover
Ductile cast iron manhole cover is a kind of ductile iron product. Ductile iron is obtained through spheroidization and inoculation treatment, which effectively improves the mechanical properties of cast iron, especially plasticity and toughness, achieving higher strengt...Read more -
Countermeasures for nodular cast iron pipes after corrosion
The use of ductile iron pipes can have a certain effect if they are used in a short distance, but in some places, it is not good to use it for some special reasons, such as in some poison-contaminated areas because of the raw materials of seamless steel pipes, if Long-term use, ductile iron pipes...Read more -
How to prevent leakage of ductile iron pipe
1. Poor foundation conditions of the pipeline will cause uneven subsidence of the pipeline and the foundation, usually forming part of the water, and in severe cases, the pipeline will crack or the interface will crack. Ductile iron pipes are divided into flexible interfaces, flange interfaces, s...Read more -
Ductile iron well pipe for drinking water well
The wellpoint pipes are arranged at regular intervals around the foundation pit. The bottom of the wellpoint pipe is arranged with a water filter pipe inserted into the permeable layer, and the upper hose is connected to the water collecting main pipe. The Φ40 suction pipe mouth, and then the wat...Read more
