Stafsjo HG O-Port Knife Gate Valves for High Concentration or Static Media

Stafsjo's HG knife gate valves feature excellent flow characteristics and tight sealing, independent of pressure direction. They are designed for secure shutoff in concentrated and static media applications, such as pulp concentration > 5%, liquor, reject, powder, and ash.

The HG has a modular design which allows for easy customization to fit your specific process requirements.

Key Specifications

  • Available in 3" to 48" sizes
  • Pressure rating: to 145 PSI
  • Body and retainer rings: stainless steel, nodular iron or cast iron
  • Seat materials: PTFE with O-ring Nitrile, PTFE with O-ring Viton, Polyurethane, metal with Grafoil or metal with O-ring Nitrile
  • Available in high pressure models
  • Actuators: handwheel, chainwheel, bevel gear, hydraulic cylinder, double-acting pneumatic cylinder or AUMA multi-turn electric

Specifications, Manuals, and Supporting Literature

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