In recent years, with the rapid development of my country's chemical industry, stainless steel valves for transporting corrosive media are widely used in chemical production, and they have attracted more and more attention and use. Below we briefly describe these valves.

1. The working principle of stainless steel ball valve is to make the valve unblocked or blocked by rotating the valve. Stainless steel ball valves are divided into several types, one is floating ball type, fixed ball type and screw type.

2. Stainless steel gate valve is also called gate valve, which is widely used in chemical enterprises. Its closing principle is that the sealing surface of the gate and the sealing surface of the valve seat are highly bright, flat and divergent, and fit each other, which can prevent the corrosive medium from flowing through and rely on the top mold, spring or the shape of the gate to strengthen the sealing effect. It mainly plays a cutting role in the pipeline. The advantages of stainless steel gate valve are: small fluid resistance, easy opening and closing, can be used in the condition of two-way movement of the medium, no directionality, the sealing surface is not easy to be eroded when fully opened, and the structure length is short, not only suitable for small valves, but also suitable for Make the valve bigger. Stainless steel gate valves are divided into two categories according to the stem thread, one is the open rod type, and the other is the dark rod type. According to the gate structure, it is also divided into two categories, one is parallel, and the other is form.

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Stainless Steel Valves