Qingdao Wivo Valves Co., Ltd.
Qingdao Wivo Valves Co., Ltd.
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The operating ways of Knife gate valves

2025-10-11

Manual Knife Gate Valve

Type: Handwheel, handle, or gearbox actuated.

Applications: Commonly used in applications with small orifice diameters, low pressures, or where frequent operation is not required.

Pneumatic Knife Gate Valve

Features: Actuated by an air cylinder, it operates quickly and enables rapid shutoff.

Advantages: Suitable for explosion-proof environments; remote control and automation are possible.

Applications: Highly automated production lines, such as papermaking, sewage treatment, and mining.


Electric Knife Gate Valve

Features: Driven by an electric motor, it offers high thrust.

Advantages: Suitable for large diameters and high pressures; offers high control precision and adjustable opening.

Applications: Power generation, metallurgy, large-scale water conservancy projects, etc.

Hydraulic Knife Gate Valve

Features: Driven by a hydraulic system, it can generate extremely high thrust.

Applications: Used for extremely large diameters or extreme conditions requiring exceptional thrust/torque.

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