Knife gate valves

Reliable isolation

Neles™ knife gate valves are ideal for all industrial shut-off applications for example in pulp & paper, mining & metals and water & wastewater industries.


Expansion areas reduce stress and allow the seats to be axially flexible

Solid top works and robust gland box system for 100% reliability

Reinforced seats guarantee shape and position in the bore during operation improving the stability and performance

Integrated expansion areas provide low operating force and minimize the stress on the seats


Neles knife gate valves provide total operational reliability:

  • Gland box packing and machined support
  • Easy maneuvering and low energy consumption
  • Low maintenance through gate guidance via stable top works
  • Unique seat design and seat material for high performance and low LCC
  • No flow restriction fully open
  • One piece casting body
  • Stainless steel gate
  • Robust gland box packing system


Neles knife gate valve is designed and equipped to handle tough and abrasive shut off applications involving slurries, powders or granular substances as well as pulp stock, paper and recycled paper.

  • Mining and minerals processing
  • Pulp and paper applications
  • Water & wastewater
  • Sand and gravel plants
  • Tailing lines
  • Abrasive slurry materials

Technical specifications


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