Specifying a metal seat is often treated as the safe move: if a soft seat might struggle, go metal. That framing is backwards. **A metal-seated triple offset valve is not an upgrade path — it is a different sealing https://triple-eccentric-butterf654838.mybjjblog.com/metal-seated-triple-eccentric-butterfly-valves-what-the-geometry-can-and-cannot-prove-55290466