Gate valves are one of the most common types of valves used for all liquid systems, including in the oil and gas industry, in food and beverage production, and in water processing facilities. Gate valves that are spring loaded offer quicker closure with either manual or automatic closure control.
The gate valve is ideally suited for this as the valves are designed to open to allow the flow or to close to shut off the valve. The action of the gate or closure element sliding helps to reduce problems with sudden pressure changes in lines that can result in water hammer effects. In addition, the nature of the valve design with the gate closure also makes them ideal in lower viscosity types of systems, including with crude oil, slurries, or other types of thicker liquids.
All gate valves are designed for open and close or allow and shut off flow. They are not designed for precise flow control. The design means the valve itself does not create a loss of pressure or friction in the line, even when the gate is dropping.
The Spring Loaded Gate Valve
Choosing a spring loaded gate valve is ideal for closing the valve. The spring provides additional pressure, adding to the precise closing of the valve when completed either manually or through an actuator.
There are also spring loaded gate valve options that have a self-closing feature. These valves are often used with crude oil or other types of heavy media in the system.
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