Plate flanges are flanges manufactured from flat-rolled steel plate stock rather than being shaped from heated metal billets through a forging process. They are cut, machined, and drilled from plate stock for use in a wide range of piping systems.
A “plate flange” describes how a flange is manufactured (cut from plate/flat stock), not a universal dimensional standard. The actual dimensions, bolt-hole patterns, facing details, and pressure/temperature rules come from the standard you specify, such as ANSI/ASME B16.5, AWWA C207,
If you have worked around flanges long enough, you have seen it. Two different suppliers, two flanges made to the same specification, with the same dimensions, tolerances, material, and standard, and still do not look equal when they arrive. One
Plate flanges are fabricated by cutting profiles from flat carbon or stainless steel ASTM specified plate. Subsequently, they are machined to precise specifications, including bolt hole patterns and center bores. While forged flanges are shaped under high pressure or force
We start the process by receiving raw material.When material arrives, it first goes through receiving inspection. Our receiving inspector performs an initial check per the work order, measuring two points on the material to verify callout dimensions. This confirms that
The real issue behind most mismatches Most flange mismatches happen because people assume all flanges are the same. In reality, flanges from different manufacturers can vary in size, pressure rating, material, and bolt hole pattern.To avoid these problems, always double-check
To design a safe and reliable piping system, it is critical to select the appropriate ASME/ANSI flange. Properly chosen flanges must be able to accommodate operating pressure, temperature, mechanical loading, and environmental exposure. On the other hand, if a flange
The primary advantages of ASME/ANSI flanges lie in their rigorous standardization, ensuring seamless interchangeability and compatibility across global piping systems. Designed for robust performance, these flanges maintain structural integrity in extremely high-pressure and high-temperature environments. Beyond their mechanical strength, standardized
1. The simplest way to explain what a flange is A flange is a lip. Try to grab a smooth pipe, and your fingers slide off. When you flare the end of the pipe, you create a small lip you
ANSI/ASME flanges are a foundational component in industrial piping systems, as they provide standardized, pressure-rated connections between pipes, valves, equipment, and vessels. Governed by ASME standards and associated with ANSI, these flanges are used across a wide range of operating
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