Neles® High Cycling Butterfly Valve Series BO

Maximized Operability by Minimized Switching Time


Metso Neles BO series butterfly valve is designed for Vacuum Pressure Swing Adsorption plants (VPSA). It is a wafer type, soft seated, high performance, single eccentric disc valve. The valve provides maximal endurance in fast cycling. Additionally, it provides long lasting tight shut off with excellent flow characteristics and high capacity while maintaining the internal tightness even up to 2 million cycles.

Neles® High Cycling Butterfly Valve Series BO Features

  • 2 piece shaft design for high capacity
  • Hardened aluminum shut off disc to reduce mass moment of inertia
  • Long lasting quadruple bearings to last up to 2 million cycles
  • Soft sealing bi-directional bubble tight construction
  • Cartridge bearing design for easy maintenance
  • Sizes up to NPS40 / DN1000

Neles® High Cycling Butterfly Valve Series BO Benefits

  • Encapsulate sealing element design ensures trouble free opening and closing
  • Switching time less than one second to guarantee the process efficiency
  • Quadruple bearings to ensure the maximum cycle life time and eliminates jamming
  • Best valve capacity on the market
  • Suitable for wet and dirty media
  • Maximized availability by secure valve operation
  • Fast and easy maintenance.


Neles® High Cycling Butterfly Valve Series BO Specifications

Size range:   DN 200 - 1000 / 8" - 40"
Temperature range:    upto 200 ºC
Pressure rating:   PN 10 - 16 / ASME Class 150


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