There are so many products in the water ring vacuum pump market, and there are many kinds of manufacturers. The quality of the products is uneven. The main reason is that the materials used to make the water ring vacuum pump are different. We all know that the quality of a product material directly affects its overall quality. What are the specific materials for manufacturing water ring pump?
The materials of water ring vacuum pump are: gray cast iron, nodular cast iron, impeller stainless steel, flow passage parts stainless steel, overall stainless steel.
The choice of material is the main factor that determines the performance and service life of a product, and it is also the main reason that leads to large differences in the same kind of products. Therefore, customers usually have high requirements for product material. Water ring vacuum pump is a kind of widely used chemical equipment, so what are its material requirements?
1. Sufficient mechanical strength and rigidity shall be provided to ensure that the shell can bear large atmospheric pressure and can not deform during heating and baking.
2. Good chemical stability. The material of the water ring vacuum pump shall have strong anti-oxidation and anti-corrosion ability, and shall not react with the working medium in the vacuum pump and the outgassing in the process.
3. Under the working temperature and baking temperature, the saturated vapor pressure should be low enough.
4. Good thermal stability. In the working temperature range of the system, it can always maintain good vacuum performance and mechanical performance.
5. Under the working vacuum degree and working temperature, the devices inside the vacuum vessel shall maintain good working performance.
6. In addition, the material of water ring vacuum pump should have better ductility, machining performance and welding performance, and it is easy to process into a complex shape shell.
7. Good air tightness. When it works, it should be kept in a very high vacuum environment, so the wall material can not have porous structure, cracks or other defects that form leakage, and the penetration rate and gas outlet rate should be low.
The above is the introduction of the material requirements of the water ring vacuum pump. The reason why the material requirements of the pump equipment are relatively high is that it needs to work in a high vacuum state, the environment is relatively special, and the field it is applied to has relatively high requirements for the performance of various working equipment. Therefore, during the production process, it is necessary to carefully implement its work.
We know that there are many models of water ring vacuum pump, so the materials used to make it are different. Different models of products are made of different materials, so when we buy vacuum pump, we choose professional vacuum pump manufacturers.
If possible, kindly suggest please your working industry/process, working pressure, working medium, etc. Given detailed request helps to gain better-matched customized solution. Thanks for your patience.
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