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Clarkson Figure PCS17 Perimeter seal
Clarkson Figure PCS17 Perimeter seal
Bi-directional perimeter-seated utility knife gate valve
Clarkson Figure PCS17 Perimeter seal


Size Range
DN 50-750 (NPS 02-30)
Temperature Rating
200°C (400°F)
Pressure Rating
10bar (150psi)
Face to Face
MSS SP-81 Short
End Connections
Flanged: ASME 150, AS 2129 Table C/D/E, PN 10/16
Shutoff Class
Zero Leakage
Valve Type
Water, Other, Liquids, Liquid, Aggressive Liquids/Gases
Adjustable packing


  • Lower total cost of ownership with zero-leakage utility knife gate valve
  • Bi-directional perimeter seat delivers zero leakage in light slurries
  • Integral metal substrate increases seat life
  • Drop-in perimeter cartridge seat can be replaced in-line to lower total cost of ownership
  • One-piece 316 Stainless Steel body for superior corrosion resistance
  • Four post yoke design makes it easier to make packing adjustments and is more efficient for seat repair/replacement. Also makes actuator retro-fitting quick and easy.
  • Built to industry standards including; MSS SP-81 face to face and full port design to Schedule 40.