
In industrial piping systems, a secure, leak-free connection is critical. Whether the system is transporting fuel, oil, steam, or other fluids, the integrity of each flange connection directly impacts performance, safety, and efficiency. That’s why flange facing plays such an important role in maintenance and reliability.
Flange facing is the process of machining the sealing surface of a flange to restore flatness and proper finish. This ensures that the gasket seated between the flanges compresses evenly, forming a tight, reliable seal.
How do Flange Faces Become Damaged?
Flange faces endure a lot over time. Exposure to high pressures, corrosive substances, temperature fluctuations, and vibration all contribute to wear. In many cases, improper gasket installation or over-tightening of bolts can leave behind gouges or scoring.
Additionally, moisture and chemical exposure can lead to corrosion and pitting. Even during regular maintenance, flanges can become scratched or misaligned, making it difficult for gaskets to form a proper seal. While gaskets are designed to absorb minor imperfections, severe damage or unevenness on the flange face will compromise the seal—no matter how high-quality the gasket may be.
What are the Risks of Damaged Flanges?
A damaged flange face is more than a surface issue—it’s a liability. When a flange face is uneven, worn, or corroded, it reduces the effectiveness of the gasket and increases the chances of leaks. In high-pressure or hazardous environments, those leaks can lead to system failure, costly downtime, environmental harm, and safety violations.
Persistent leaks also lead to increased maintenance costs, frequent gasket replacements, and operational inefficiency. Over time, these small issues compound into major risks that can impact your bottom line—and your team’s safety.
How to Protect Your Flanges
The most effective way to protect your flanges is through proactive maintenance – especially resurfacing when damage is present. With a proactive maintenance schedule for your flanges, you can be sure that your flange connections are sealed properly for future operation.
At Precision Filtration Products, we specialize in on-site flange resurfacing that minimizes downtime and restores performance without the need for costly system disassembly. Our technicians use portable flange-facing tools to repair damaged sealing surfaces directly in the field, reducing turnaround time while meeting the highest industry standards.
Whether you’re preparing for a shutdown, troubleshooting recurring leaks, or just practicing smart maintenance, PFP can help keep your systems sealed, safe, and running smoothly.
Have questions? Speak with one of our experts at 215-679-6645.