Back To Top

Guaranteed Not to Leak, Energy Efficient, Self-Cleaning.

Wey knife gate valves are designed for a variety of applications that require positive shutoff and are suitable for end-of-line service without a blind flange. The Wey design provides a leak free, bi-directional seat tightness that is re-packable while in service. This eliminates the need to remove the valve for packing maintenance. For use in pulp and paper, power generation, steel, chemical, food and beverage, petrochemical, mining, & water treatment.


Wey’s design options enable solutions for many services.
Applications include:

  • Low and high density pulp stock, liquors, and sludge
  • Chemicals that include entrained solids
  • Level & pressure transmitter isolation
  • Double block and bleed
  • Cyclones
  • Pump isolation
  • Tank isolation
  • Fly ash
  • Pellets
  • Custom applications
  • and many more...

Wey General Overview

Play Video

Wey Knife Gate Valve - Repacking Demo

Play Video

Wey Valve Design Overview

Play Video
Wey Knife Gate Valves


Nominal size
2 – 80 inch
Pressure rating
0 – 1450 psi
Material options
More than 100
Get in touch with an expert, find your nearest office location, or send us a note about your next project.
Talk to one of our experts in this field
(704) 375-4464