Keystone offers an unrivalled range of knifegate valves from the standard cantilever design to ported slidegates and special application valves such as the Hopper Valve. The knife like cutting action and unobstructed flow path makes these valves ideally suited for arduous application using fibrous or bulky materials and abrasive slurries.

Knifegate
The knife-cutting action of K-Nife makes this valve ideal for applications with high solids or fibrous content. Available in wafer or lugged style, metal, RTFE or urethane seat options.
Ported slidegate valves offer bi-directional control with a gate that is fully supported through its entire stroke.

• Pressure : up to 1000 kPa
  
• Temperature : -30 to 230°C
  
• Sizes : 50 to 600mm
  
• End connections : AS 2129, ANSI, JIS.
  

Ported Slidegate
Provide continuous support of the gate throughout the stroke. Available in two configurations:
F955 Single Gland
F956 Dual Gland

• Pressure : up to 1600kPa
  
• Sizes : 50 to 750mm
  
• Temperatures : up to 120°C
  
• End Connections : AS2129, ANSI, DIN & JIS
  

Hopper Valve
Specially designed for use on dry product hoppers using dry powders, pellets or fly ash.

• Pressure : up to 1000kPa
  
• Sizes : 100 to 500mm
  
• Temperatures : up to 230°C
  
• End Connections : AS2129 & ANSI