The distance between the open and closed positions of a globe valve stem is relatively short, and the stem's sealing surface is perpendicular to the valve seat. This design provides excellent shut-off capability, resulting in minimal wear on the valve plate and sealing surface. Globe valves are particularly effective for cutting off, adjusting, or throttling media flow. Flanged globe valves are secured to piping systems with bolts and flanges and are designed for unidirectional flow only.
| Class | Nominal diameter | Unit | Main connection dimension | ||||||||
| Inch | DN | L | D | D1 | D2 | b | z-∅d | H | W | ||
| 150Lb (2.0Mpa) | 2" | 50 | mm | 203 | 152 | 120.5 | 92 | 16.3 | 4 - 19 | 356 | 180 |
| 2-1/2" | 65 | mm | 216 | 178 | 139.5 | 105 | 17.9 | 4 - 19 | 381 | 240 | |
| 3" | 80 | mm | 241 | 190 | 152.5 | 127 | 19.5 | 4 - 19 | 411 | 280 | |
| 4" | 100 | mm | 292 | 229 | 190.5 | 157 | 24.3 | 8 - 19 | 454 | 280 | |
| 5" | 125 | mm | 356 | 254 | 216 | 186 | 24.3 | 8 - 22 | 541 | 320 | |
| 6" | 150 | mm | 406 | 279 | 241.5 | 216 | 25.9 | 8 - 22 | 565 | 360 | |
| 8" | 200 | mm | 495 | 343 | 298.5 | 270 | 29 | 8 - 22 | 768 | 450 | |
| 10" | 250 | mm | 622 | 406 | 362 | 324 | 30.6 | 12 - 25.4 | 800 | 500 | |
| 12" | 300 | mm | 698 | 483 | 432 | 381 | 32.2 | 12 - 25.4 | 862 | 600 | |
| 14" | 250 | mm | 787 | 533 | 476.5 | 413 | 35.4 | 12 - 29 | 950 | 650 | |
| 16" | 400 | mm | 914 | 597 | 539.5 | 470 | 37 | 16 - 29 | 994 | 650 | |
| 18" | 450 | mm | 978 | 635 | 578 | 533 | 40.1 | 16 - 32 | 1140 | 650 | |
| 20" | 500 | mm | 978 | 698 | 635 | 584 | 43.3 | 20 - 32 | 1262 | 650 | |
| 24" | 600 | mm | 1295 | 813 | 749.5 | 692 | 48.1 | 20 - 35 | 1524 | 810 | |
Flanged globe valves are essential components in fluid control systems, and understanding their dimensions is crucial for ensuring proper installation and compatibility within piping networks. These valves come in various sizes, typically measured by their nominal pipe size (NPS), which indicates the internal diameter of the valve. Common sizes range from 1 inch to 24 inches, accommodating a wide array of applications.
The face-to-face dimension of a flanged globe valve is a critical measurement, as it dictates how much space the valve will occupy within the piping system. This dimension is typically standardized according to industry norms, ensuring that the valve can be easily integrated into existing systems without requiring modifications.
Flange dimensions also play a significant role in the installation process. Flanged globe valves are equipped with bolt holes that conform to specific standards, such as ANSI or ASME, ensuring compatibility with corresponding pipe flanges. The bolt circle diameter and the number of bolt holes must match those of the connected flanges to provide a secure and leak-proof connection.
Height is another important dimension, particularly in applications where vertical space is limited. The overall height of a flanged globe valve can vary depending on the size and design, but it is typically higher than that of other valve types due to the valve's internal design, which includes a stem and seat arrangement.
In addition to these dimensions, it’s essential to consider the pressure rating of the valve, which indicates its ability to withstand specific pressure levels while maintaining performance. Flanged globe valves are available in various pressure classes, including 150, 300, and 600 psi, making them suitable for a range of operating conditions.
Overall, accurate knowledge of flanged globe valve dimensions is vital for ensuring optimal performance and reliability in fluid handling systems across diverse industrial applications.
Before installation, carefully check whether the performance of the globe valve meets the engineering needs, and conduct a pressure leakage tests. Note that the flow direction of the medium is consistent with the direction indicated by the arrow of the valve body.
Before installation, check whether the manual setting operation is flexible and there is no clamping phenomenon in the installation.
Before installation, carefully check whether the performance of the globe valve meets the engineering needs, and conduct pressure leakage test. Note that the flow direction of the medium is consistent with the direction indicated by the arrow of the valve body.
Before installation, check whether the manual setting operation is flexible and there is no clamping phenomenon in the installation.
The stop valve operating mechanism should be about 1.2m from the ground when the stop valve is installed. For individual globe valves over 1.8m high and infrequently operated, sprockets, extension rods, movable platforms, and movable ladders are available.
For globe valves in horizontal pipelines, it is best to install the stem vertically upward rather than downwards. The installation position of the ground stop valve is inclined, and it will be inconvenient to operate and maintain.
For the stop valves installed side by side on the pipeline, there should be space for operation and maintenance, and the distance between the handwheels should not be less than 100mm; If the spacing is narrow, the valves should be staggered.
Choose suitable studs and gaskets according to the temperature, pressure, and medium.
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