Valves used in the gas and oil industries are classified in different ways. For example, for sliding gate valve, it will be used in this way with class 300 or 600. These numbers indicate the amount of thickness and the amount of pressure tolerance. In fact, by expressing the class, we will realize the power of milk. Depending on the location and use, a certain class will be located. Sliding valves are very widely used. Chemical industry, water industry, sewage and petrochemical industry are examples of the application of this milk model. more information:
When buying, pay attention to the material and size of the valve.