MANUAL GLOBE VALVE
PRODUCT FEATURES
Simple structure
Large opening and closing torque
Good sealing performance
Large fluid resistance
Small valve disc travel
PRODUCT FEATURES
The main function of the manual globe valve is to cut off or regulate the flow of fluid. In the closed state, by applying pressure to the valve disc, the sealing surface is forced to close tightly to prevent leakage of the medium. At the same time, it can also be used to regulate the flow of the fluid by changing the distance between the valve disc and the valve seat to adjust the cross-sectional area of the flow channel.
PRODUCT ADVANTAGES
■ Good sealing performance, suitable for a variety of media, including corrosive media, radioactive media, etc.
■ Easy to manufacture, easy to maintain, suitable for various pressure environments, etc.
■ Moderate opening height, easy to adjust the flow.
WORKING PRINCIPLE
The working principle of the manual gobe valve is based on the movement of the valve disc on the valve seat. The valve disc moves linearly along the center line of the valve seat, and the cross-sectional area of the flow channel is adjusted by changing the distance between the valve disc and the valve seat, thereby achieving precise control and complete cutoff of the flow. During the closing process, the valve disc fits tightly against the valve seat under the pressure exerted by the valve stem, ensuring reliable closure of the sealing surface.
The main components of a manual globe valve include the valve body, valve bonnet, valve stem, valve disc, sealing surface, stuffing box and handwheel. The valve body is the main part of the globe valve, which is used to accommodate other components and connect to the pipeline system. The valve bonnet plays a role in sealing and protecting internal components. The valve stem connects the handwheel and the valve disc. By rotating the handwheel, the valve stem drives the valve disc to move up and down along the axis of the valve seat. The sealing surface is located on the valve seat and the valve disc to ensure the sealing performance of the valve in the closed state. The stuffing box is used to prevent leakage between the valve stem and the valve body.
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