Valves are one of the most important parts of a machine, which regulate its working. If the valve of a machine is broken, the machine stops functioning properly. It is really important to find valves that are durable. Valve castings as well as forging are two popular methods. They are made in different ways, and both have their advantages and disadvantages
So before you decide which valve type of valve to get, As a Valve Castings Manufacturers we like to help you by stating the
Differences and Comparing the two types of valves, Forging Valves and Casting Valves.
The basic difference between these valves is how they are made. In the case of forging, the method used is that of shaping the metal or alloy while it is in the solid form. The state is not changed in order to forge the valve. High heat along with industrial type tools are used which can easily shape the solid metal with ease. Force is exerted on the metal which helps to bend and shape it or cut it into the specific shapes desired to make valves. However, the choice of metal should be looked into by the manufacturer. Some metals are easier to forge in this method and some are not.
In this method, there is very little wastage since metal is directly shaped.
1. This method makes the valves really strong and they are capable of standing high pressure as well as high temperature.
2. The method also makes the valves resistant to cracking, shrinking and becoming porous due to high usage.
3. Forging makes the walls thinner so that thermal fatigue is reduced. The valves are not affected when heated or cooled quickly, which happens on most machines.
This is opposite to forging where the metal is turned to liquid state and then made into a valve. First, the metal is melted and turned into a liquid then this liquid is cast into the mould where they are allowed to cool and harden. The valve is then taken out of the mould so that it can be sandpapered.
1. The biggest advantage of this method is that the most complex kinds of valves can be created. And this method can be used to make little valves for intricate machines. Because it makes use of mould the labour of shaping it is reduced.
2. Therefore it is really cost effective as much labour is saved. The process can be done by machines itself. Just the metal has to be melted and then it has to be cast into the mould. Casting valves are cheaper than forged valves. And many can be produced at the same time, unlike forged valves.
3. And industries can get replacements easily in case their valves break down. Simply place an order and you can have it within a day. While in the case of forged valves, the time taken is quite long.
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In the end, it really depends on what your requirement is, specifically. If your machine needs valves that can stand a lot of pressure, then forged valves are your thing. But if you need complicated valves you will have to resort to valve casting.