The 150# flange is widely used in pipeline systems for low to medium pressure fluids, meeting industrial standards with economic, versatile, and high-reliability characteristics.
Its pressure rating is suitable for pipelines with typical operating pressures, ensuring the safe and stable operation of the pipeline system.
When selecting flanges, understanding their pressure capacity and applicable temperature range is crucial for engineering design.
The “150” in “150#” represents the flange’s pressure rating, indicating the maximum pressure the flange can withstand at a specific temperature.
Specifically, a 150# flange can endure a maximum operating pressure of 150 psi (pounds per square inch) at 100°F (approximately 38°C).
This pressure rating is the maximum pressure for which the flange is designed at this temperature.
ASME B16.5 Dimensions of Class 150 Flanges In Millimeters
ASME B16.5 Dimensions of Class 150 Flanges In Inches
Key Dimension Descriptions
- Outside Diameter (OD): The outer diameter of the flange, determining how the flange connects to the pipe.
- Flange Thickness (t): The thickness of the flange plate, affecting the flange’s pressure resistance.
- Bolt Circle: The diameter of the circular arrangement of bolt holes on the flange, affecting the arrangement of bolts.
- Number of Bolts: The number of bolts used for securing the flange, typically determined by the pipe size.
- Bolt Hole Diameter: The diameter of the bolt holes, typically matching the size of the bolts.
- Bolt Spacing: The distance between the bolt holes on the flange, ensuring the flange connection is securely tightened.
- Bolt Size: The size of the bolts used for the flange connection.
