Material selection of knife gate valve (model and specification selection of knife gate valve)

In the domestic pipeline system,Knife Gate ValveThe usage rate is not very high. But as a type of gate valve, its importance is self-evident. As one of the valves that cut off the flow of medium in pipeline systems, its material and performance will be of great concern to manufacturers and users to a certain extent.

Choosing the material for valve manufacturing based on different circulation media and usage environments has become common knowledge among many valve manufacturers, but there may be some differences in the material selection of knife gate valves.

There are many models of knife gate valves, and the materials and operating conditions used for different models also vary. Due to their own functions and properties, most knife gate valves use carbon steel and stainless steel as the main manufacturing materials, rather than alloy materials or even engineering plastics that other valves may use.

Due to the strength and hardness requirements of the valve body itself, the knife gate valve body is mainly made of carbon steel. Of course, the characteristics of carbon steel are also very obvious, which are the hardness and strength brought by its carbon content. Due to the frequent contact between the gate and liquid media, corrosion-resistant stainless steel should be selected as one of the materials for manufacturing knife gate valves.