Knife gate valve opening and closing member is a gate, the direction of movement of the fluid in the direction perpendicular to the gate, knife gate valve can only be fully open and fully closed, can not be adjusted and the throttle. Ram has two sealing surface,, usually 50, wedge type knife gate valve can be made into a whole, called the rigid gate; can also be made to produce small quantities of deformation gate in order to improve its process, make up the sealing surface angle deviations arising during processing, this gate is called the flexible gate. When the knife gate valve is closed, the sealing surface can only rely on media pressure to seal.
Caution knife gate valve with optional notes
Most knife gate valve is sealed by force, that the valve is closed, the shutter will be forced to rely on external pressure to the seat, to ensure the sealing surface of the seal.
Knife gate valve optional Notes
KeyWords: Knife Gate Valve
1. When the user to buy, you must specify the nominal pass through the valve, and a pressure valve connected to the desired standard;
2. valves required for any special needs, you must specify special sizes, special materials and other parameters.