Neles™ butterfly valve, series BN

Simplified design ensures reliable operation

Neles™ butterfly valve, series BN

Neles BN series is a cost-effective full bore butterfly valve with a one piece body and an eccentric soft seat. It is specially designed for industrial gas applications featuring long-lasting tight shut-off capability, excellent flow characteristics and long service life. BN series butterfly valve is also used in control applications.


Cost effective design for low CAPEX

Best valve capacity on the market

Easy and fast maintenance, even on site


  • 2 piece shaft design for high capacity
  • Low emission packing design
  • Triple bearing design
  • Soft sealing bi-directional EN12266 A – bubble tight
  • Special Face to Face length available e.g. to replace gate valve
  • Sizes up to NPS64 / DN1600
  • Available in special materials e.g. Monel, AlBr
  • BAM certification for oxygen applications


  • Air Separation Unit (ASU)
  • Industrial gas
  • Chemical industry



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