Extended Stem Gate Valve

The extended stem gate valve is specially designed for gas processing and storage and transportation of liquefied gases such as LNG, liquid nitrogen, oxygen, etc. The extension rod gate valve adopts the top-loading structure, which reduces the connecting bolts of the valve body itself under the condition of high pressure and large diameter, which enhances the reliability of the valve and can overcome the influence of the weight of the system on the normal operation of the valve.

The extension stem gate valve is one of the commonly used shut-off valves, which is mainly used to connect or shut off the medium in the pipeline; it is especially suitable for medium and large diameter pipelines. The valve stem of the extension rod soft sealing gate valve drives the valve stem of the gate to drive the gate to rise and fall together, and the transmission thread on the valve stem is outside the valve body. Therefore, the opening and closing of the gate can be judged intuitively according to the movement direction and position of the valve stem. position, and the transmission thread is easy to lubricate and not corroded by the fluid, but it requires a large installation space.

Features

The valve stem is lengthened, which is convenient for high position operation;

The channel is smooth and the flow coefficient is small;

Sealed, easy and flexible operation

Application

The suitable medium for the gate valve is: blast furnace gas, coke oven gas, producer gas, water gas, oil gas and other dirty gas, and liquefied gas, natural gas, mine gas and other clean gas. Mainly used in coal-to-gas, metallurgy, coking and other industries for gas production and urban gas transmission and distribution network.

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