Neles™ knife gate valves

Reliable isolation

Neles knife gate valves are ideal for all industrial shut-off applications for example in pulp & paper 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.

Technical specifications

Series KA, KAB & KL, other series on request
Construction Knife gate valve, lug type, bi-directional. Other constructions available on request
Size range 2" - 28" / DN50 – 700, larger sizes on request
Pressure classes PN 10, ASME 150, other pressure classes on request
Materials Stainless steel, cast iron, natural rubber. Other materials on request


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