Manual concealed stem knife gate valve is a type of valve that controls fluid flow through manual operation. Its valve stem adopts a concealed stem structure (not exposed outside the valve body) and is equipped with a knife gate to achieve opening and closing.

Core design: The valve body is a flat plate-shaped structure, which forms a bi-directional seal with the gate plate through wedge-shaped compression blocks. The sealing surface can scrape off residual media (such as tar and dust), and is wear-resistant and reliable in sealing;

Applicable scenarios: Specially designed for pipelines containing particles, high viscosity or corrosive media (such as coal gas, mine slurry), supporting clamp type connections, compact structure and low flow resistance;

Material and advantages: Valve bodies are often made of pressure resistant materials such as cast iron and stainless steel, which have the characteristics of strong cutting force, convenient maintenance, and long service life.