What are the Different between Cast Iron Valves & Ductile Iron Valves

 Customers from different types of industries look for valves of several varieties for their high-demand processes. The valves are found in a wide range of materials for any kind of application that can be imagined. Some of these materials are carbon steel, PVC, stainless steel, Ductile Iron Double Flanged Pipe, and cast iron.

In this blog, we are going to discuss two of those materials which are ductile iron and cast iron. There has been a vast argument for choosing the best option ductile & cast iron valves which have been prevalent for numerous years as everyone is not aware of their differences.



A Comparison of the valves, by means of cast iron, and ductile iron is simple as both of these materials just have a few key differences. So here is an outlined property of both materials as well as the pros and cons of each.

Cast Iron Valves

Cast Iron or gray iron is a type of metal that has been used for hundreds of years. It is an alloy, which is composed of 96% - 98% iron, 2% -4% carbons, and a trace amount of silicone. It has an impressive tolerance to temperature with some cast iron is capable of handling temperatures more than 2100F (1150C).

In this case, the pressure, strength of cast iron mainly depends on the pressure class. The two most ordinary ones are class 125 and class 250. At less excessive temperatures, class 123 cast iron flanges are rated for a pressure level of 150 & 200 psi. The class 250 cast iron is a little bit tougher as well as has pressure ratings from 300 to 500 psi.

These pressures can be different according to the type of the end. Cast iron is very stronger and will usually not have any damages even after experiencing strong vibrations. The major drawback of cast iron valves is that they are not at all ductile. Bending virtually will cause cracking of the cast iron as well as it will become much useless.

One incredible quality of cast iron is that it not that expensive. Cast iron is the most economical choice among the metal, which makes it a great option for people looking for budget-friendly options.

Ductile Iron Valves

Ductile iron has wonderful tensile strength, corrosion resistance & yield strength. Similar to cast iron, ductile iron does not break when it is bent therefore it is much more appropriate for high-demand applications. Ductile iron is a sturdy and reliable material for fitting, pipes & valves. Ductile Iron is relatively more on the expensive side than cast iron due to its more complicated chemical makeup. If your application requires a tougher material, then you may need to spend relatively more.

Deeper Comparison

Now that you have learned and comprehend both of these materials, now we have made a deeper breakdown of the differences among both of these metals. This will give you a more clear and easier understanding.

Durability

The Cast iron is very strong and can handle higher pressure than any plastic. While the rated pressure of a cast iron valve or pipe surpass, it can get creaked or bent. Cast iron has zero ductility which makes it enormously rigid and can get creaked if it is bent. During this period, cast iron can also attract corrosion and it needs regular maintenance to keep the valves clear of any rust.

Ductile iron has extraordinary integrity of structure and can handle high temperatures & pressures without flinching. This is due to the ductile nature which makes the material much less possible to get bent or cracked. Ductile iron will additionally attract rust over the passing of time.

Ease of Installation

Both cast and ductile iron valves provide the users with a wide range of installation options. The cast iron valves are bolted using flanges as well as the same is for ductile iron. Welding is not suggested.

A name is well-known for providing a top-class variety of Pipes & Fittings, we, Supra Group are showing - admirable workmanship in the marketplace. We have a large pool of talent, impressive skills and huge knowledge of the sector has helped us in gaining such popularity. Our company is growing more and more famous with each passing day because of our focus on high quality as well as fast delivery services.

Our company successfully offers customers an exclusively designed collection of Ductile Iron Double Flanged Pipe and Iron Pipes in Delhi, etc. These products are broadly appreciated for their corrosion resistance, high durability & easy installation.

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