Home Dewatering, Product, Valve Lewis® Butterfly Acid Valve

Lewis® Butterfly Acid Valve


Design standards Drilled to ANSI, BS, DIN, or, JIS standards
Design ratings 93-99% sulphuric acid and oleum/HRS Applications
Size range/-dimensionsSizes 4″-24″ (100-600mm)
Temperature rangeUp to 140°C (280°F) with heat recovery up to 240°C (460°F)

Key features/benefits

  • All-metal construction for extended wear life
  • Resistant to galling, erosion and corrosion for consistent flow control
  • Insensitive to turbulence and abrasion
  • A variety of automatic actuator options available
  • Velocity resistance of Lewmet® alloys allows the flexibility to downsize the valve to its most efficient and economic size


  • Slurry transportation


LEWMET® alloy and stainless steel