Technical characteristics of knife gate valve and precautions when using it:
Knife gate valve has good shearing effect due to the knife gate valve. It is most suitable for fluids that are difficult to control such as slurry, powder, granule, fiber, etc. It is widely used in papermaking, petrochemical, mining, drainage, food and other industries. It has a variety of valve seats to choose from, and can be equipped with electric or pneumatic actuators according to on-site control requirements to realize automatic valve operation. Material: cast iron, carbon steel, stainless steel, size range: DN50~DN600, maximum pressure: 1.0MPa.
Knife gate valve has good shearing effect due to the knife gate valve. It is most suitable for fluids that are difficult to control such as slurry, powder, granule, fiber, etc. It is widely used in papermaking, petrochemical, mining, drainage, food and other industries. It has a variety of valve seats to choose from, and can be equipped with electric or pneumatic actuators according to on-site control requirements to realize automatic valve operation. Material: cast iron, carbon steel, stainless steel, size range: DN50~DN600, maximum pressure: 1.0MPa.
Precautions and characteristics in the use of knife gate valve products:
The opening and closing part of the knife gate valve is a gate, and the movement direction of the gate is perpendicular to the direction of the fluid. The knife gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate has two sealing surfaces. The two sealing surfaces of the most commonly used model gate valve form a wedge. The wedge angle varies with valve parameters, usually 50. The gate of the wedge knife gate valve can be made into a whole, called Rigid gate; it can also be made into a gate that can produce slight deformation to improve its manufacturability and compensate for the deviation of the angle of the sealing surface during the processing. This kind of gate is called an elastic gate when the knife gate valve is closed. It can only rely on the medium pressure to seal, that is, rely on the medium pressure to press the sealing surface of the gate to the valve seat on the other side to ensure the sealing of the sealing surface, which is self-sealing. Most knife gate valves adopt forced sealing, that is, when the valve is closed, the gate must be forced to the valve seat by external force to ensure the tightness of the sealing surface.
Nortech is one of the leading industrial valve manufacturers in China with quality certification ISO9001.
Major products: Butterfly Valve, Ball Valve,Gate Valve, Check Valve, Globe Vavlve,Y-Strainers, Electric Acurator , Pneumatic Acurators .
Post time: Jul-05-2024