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Clarkson Figure 955 Ported Slide Gate Valves
Clarkson Figure 955 Ported Slide Gate Valves
A ruggedly designed bi-directional ported slide gate valve for abrasive, corrosive and scaling applications.
Clarkson Figure 955 Ported Slide Gate Valves


End Connection
Ductile Iron
Operating Temperature
Up to 250 F (120 C)
Process Connection Type
Seat/Seal Type
Valve Type
Conventional Knife Gate Valve
Solid, Other, Liquids, Liquid, Aggressive Liquids/Gases
Adjustable packing


  • Ported gate design for superior slurry handling capabilities.
  • A choice of both full bore models and reduced bore polyurethane seated versions matched to lined pipe bores.
  • Bi-directional sealing capabilities.
  • Dual hardness reinforced elastomer seats to minimize wear and provide energized gate seal.
  • Flushing ports provided as standard.
  • Semi-energized gland to minimize periodic adjustment.
  • Stainless steel fasteners used throughout as standard.
  • Body shrouds and spindle cover provided as standard.
  • Maintenance friendly replaceable seat with integral flange gasket.
  • Designed to comply with MSS SP-81.
  • A range of seat options available.