Slurries love to chew valves, yet the Metal Seat Ball Valve treats grit as a mere nuisance. Solid particles that would embed and shred soft seats meet a hardened metal surface that refuses to give way. Each stroke of the ball acts like a lathe tool, skimming built-up residue off the seat instead of letting it pack into a leakage path. The result is a valve that continues to rotate smoothly...