PZ273 electro-hydraulic knife type gate valve is also known as electro-hydraulic knife valve, electro-hydraulic plug valve, electro-hydraulic thin gate valve, electro-hydraulic gate valve, electronically controlled hydraulic knife gate valve is mainly composed of valve body, valve plate, screw, drive nut, bracket, pressure strip, electro-hydraulic actuator, packing, PZ273 electro-hydraulic knife gate valve has small size, light weight, PZ273 electro-hydraulic knife gate valve belongs to clamp-type, parallel single gate structure, one-way flow nature, small flow resistance, can cut off a variety of slurry, ash, sewage, water slag mixture , fiber and other media, widely used in electric power, mining, metallurgy, chemical industry, coal, water conservancy and other industries, is a new type of updated replacement valve products with strong application.