Iron housing-lined flanged globe valve
Category： Globe valve series
Summary： Globe valve is a commonly used shut-off valve, is a forced sealing valve, when closed, pressure must be applied to the disc, so that there is no leakage between the two sealing surfaces, but also to overcome the pressure of the medium, the sealing force required is much greater than the gate valve. When the disc opening height is 25% of the nominal diameter, the flow rate has reached its maximum, indicating that the valve has reached the fully open position.
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The main characteristics and uses of globe valves
Globe valve isa commonly used shut-off valve, is a forced sealing valve, when closed, pressure must be applied to the disc, so that there is no leakage between the two sealing surfaces, but also to overcome the pressure of the medium, the sealing force required is much greater than the gate valve. When the disc opening height is 25% of the nominal diameter, the flow rate has reached its maximum, indicating that the valve has reached the fully open position.
The working principle of the globe valve is to rotate the handwheel so that the valve stem drives the valve disc to move along the vertical direction of the center line of the passage to achieve opening and closing. Globe valves are mainly used to connect or cut off the medium in the pipeline on various pipeline systems, and are generally not used to adjust the flow. The applicable pressure and temperature range is very large, but it is generally used for medium and small diameter pipelines, and is not suitable for pipelines with solid particles, large viscosity and easy coking.
The main features of the globe valve
☆Simple structure, convenient manufacturing and maintenance;
☆The sealing surface is not easy to wear and scratch, the sealing performance is better, and the life is long;
☆The working stroke is small, the opening and closing time is short, and the valve height is small;
☆Large fluid resistance (straight-through type), large energy consumption;
☆The opening and closingtorque is large, and the opening and closing are more laborious;
☆The flow direction of the medium is limited, and the structure length is long.
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Address: 517 Fucang Road, Bancang Industrial Park, Zigong City
