Author name: ChinseaGroup

“Zero leakage” does not exist in engineering practice; what exists is “leakage below an acceptable rate.” Understanding leakage class standards […]

The reliability of a flanged connection ultimately depends on whether the bolt preload is uniform and reaches the target value.

In pharmaceutical and biotech production, piping flanges are not just mechanical connections but integral components of aseptic processing. Any deadleg,

For carbon steel flanges exposed to atmospheric, buried, or humid environments, coatings are the first line of defense against corrosion.

The weld between a flange and a pipe is one of the most highly stressed locations in any piping system.

In cross-border flange procurement, distance, language, and cultural differences make it difficult for buyers to directly monitor the manufacturing process.

A flange that passes all factory inspections perfectly can be rendered unusable after thousands of kilometers of ocean shipping and

When projects involve mixing American and European standard flanges, the most dangerous assumption is “Class 150 ≈ PN20”. Such approximations

For maintenance, repair, and operations inventory, flanges are a specific and expensive category. Excessive inventory ties up significant capital, while

In mid-2025, a thermal power plant experienced recurring leakage on a main steam header operating at 900 PSI. Despite multiple