What is the difference between a forged valve and a cast valve? This article will explain to you how to distinguish between forged and cast valves.
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forged valve:
Forged valves are forged and forged, and are generally used on high-grade pipelines with relatively small diameters, generally below DN50.
1. Forging: It is a processing method that uses a forging machine to apply pressure to a metal blank to cause plastic deformation to obtain a forging with certain mechanical properties, certain shape and size.
2. Forging materials are mainly carbon steel and alloy steel of various compositions, followed by aluminum, magnesium, titanium, copper, etc. and their alloys. The original state of the material is bar, ingot, metal powder and liquid metal. The ratio of the cross-sectional area of &#;&#;the metal before deformation to the die cross-sectional area after deformation is called the forging ratio. Correct selection of forging ratio has a lot to do with improving product quality and reducing costs.
Cast valve:
Casting valves are valves made by casting. Generally, the pressure levels of cast valves are relatively low (such as PN16, PN25, PN40, but there are also high-pressure ones, which can reach Lb, Lb), and most of the calibers are above DN50.
1. Casting: It is the process of smelting metal into a liquid that meets certain requirements and pouring it into a mold. After cooling, solidification, and cleaning, a casting (part or blank) with predetermined shape, size and performance is obtained. The basic technology of modern machinery manufacturing industry.
2. The cost of the blank produced by casting is low, and it is more economical for parts with complex shapes, especially with complex inner cavities; at the same time, it has wide adaptability and good comprehensive mechanical properties.
3. Materials (such as metal, wood, fuel, molding materials, etc.) and equipment (such as metallurgical furnaces, sand mixers, molding machines, core making machines, shakeout machines, shot blasting machines, cast iron plates, etc.) required for foundry production ) more, and will produce dust, harmful gas and noise and pollute the environment.
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Related news/knowledge:
Valves are indispensable parts of the Valve Industry. The most common procedures for producing high-quality industrial valves are casting and forging. Both strategies have their pros and downsides. Forged valves offer superior strength and durability, while cast valves are often preferred for their lower cost and ease of use. This blog post will examine the difference between Forged and Casting Valves and which is best suited for your application.
So get your seat on this informative journey!
Cair Euro Automation is the leading Valve Manufacturer in Ahmedabad, India. Offering the best quality of Motorized Valves, Manual Valves, and Electric Actuators.
Forged Valves are made by heating a metal bar and pressing it into the correct form with a hammer or press. This technique aligns the metal&#;s grain structure and makes it stronger and less prone to failure. Forged valves are commonly used in high-pressure, high-temperature applications in which failure could lead to catastrophic requirements.
Cast Steels have a chemical composition like Forge Steels, but as compared to forge steels they have worse mechanical properties, which can be improved by their heat treatment. Casting Valves are made by pouring molten into a mold and letting it cool. This process is relatively quick and cost-effective, it makes casting valves a popular choice for low-pressure applications. The advantage of casting is the ability to cast complicated shapes, which Forging can&#;t produce.
For strength and durability, forged valves are the apparent choice. Because the forging process aligns the metal&#;s gain structure, thus producing a more resilient material. Thus, forged valves can withstand high pressures, harsh chemicals, and extreme temperatures without malfunctioning.
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On the other hand, casting valves are less strong than Forged valves&#; the process of solidifying these valves sometimes leads to impurities such as voids and cracks in the valve. This method produces a material that is more porous and prone to breaking. Although casting valves can be produced with varied degrees of robustness, they are not typically recommended for use in high-pressure or high-temperature applications.
Forged valves are expensive and energy-intensive to make. Labor costs constitute a large portion of the prices since the valve parts require extensive machining. In addition, they are produced in smaller batches compared to cast valves.
Casting valves offer several advantages, including cheaper costs and simplicity of production. The casting process is relatively quick and can be done in huge batches, which makes it a more cost-effective option for valve manufacturing. At Cair Euro Automation, we have Casting valves, available in a wide range of sizes and shapes, which makes them more versatile in certain applications.
Forged valves are more expensive to produce because of the labor-intensive production process. However, they are frequently preferred in critical applications where dependability and durability are essential.
Forged valves are ideal for smaller valve sizes. It can serve larger sizes but will need to be developed in parts and connected by welding or flanges. This increases the risk of leakage.
Cast valves are excellent for producing a wide range of valve sizes and intricate shapes.
The Forging Process produces a more refined surface finish, so there is less need for extensive post-forcing machining. On the other hand, the Forging process aligns the metal&#;s grain structure, thus producing a more resilient material. So, they can withstand harsh chemicals, extreme temperatures, and high pressure without failing.
Forged Valves have better performance as well as production time is longer.
Cast valves are the best solution when time is a critical essence.
So, How to select the best one for your application&#; Forged Valves or Cast Valves? The answer is determined by several criteria, including the application, pressure, and temperature requirements, as well as budget constraints. In general, forged valves are the stronger, more dependable choice for high-pressure and high-temperature applications. However, if cost and simplicity of manufacturing are important considerations, casting valves may be a preferable option for low-pressure applications or when a large number of valves are required.
Ultimately, the choice between Forged and Cast valves comes down to your needs and requirements. As an expert in the valve industry, I encourage you to consult with a professional to determine the best solution for your project. At Cair Euro Automation, we have skilled professionals in the industry, who will help you to choose the best and suitable valve for your application.
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