Keystone WINN Hi-Seal High Performance Butterfly Valve

Keystone WINN Hi-Seal High Performance Butterfly Valve

Keystone™ WINN Hi-Seal high performance butterfly valves offer efficient, bi-directional sealing across a wide spectrum of service conditions.

Any questions?

Bernhard Witzelsteiner
Account Manager
Phone. +46 70 378 83 35

Fredrik Andrée
Solution Seller
Phone. +46 54-57 92 41

Fredrik Malmström
Solution Seller
Phone. +46 40-33 02 33

Johan Riedenlow
Account Manager
Phone. +46 40-33 02 30

Anders Praem
Inside Sales Engineer
Phone. +45 2137 7759

Kenn Gerwien
Area Account Manager East
Phone. +45 2346 5513

Slawka Pedersen
Inside Sales Manager
Phone. +45 2137 7702

Joonas Jägerroos
Service Technician
Mob. +358 40 610 4439

Tommi Penttilä
Sales Manager Isolation Valves
Phone. +358 207 416 208

End Connection Wafer, Lugged, Double Flanged
Application Air Circulation, Balance of Plant, Biofuels, Clean Steam, Desalination, Cruise Ship, Container Ship, Marine Docks, Refining, Steam Headers, Fuel Gas, FPSO, Fueling
Material 316 Stainless Steel, Aluminum Bronze, Carbon Steel, Duplex, Super Duplex
Pressure Class ASME
Process Connection Type CL150RF, CL300RF, CL600RF
Seat/Seal Type High performance, Metal, Soft Seal
Shutoff Class Zero Leakage
Standards API 609, ASME B16.34
Valve Size NPS 6 / DN 150, NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450
Valve Size Standard NPS
Valve Type Butterfly
Media Vacuum, Steam, Ammonia, Fuel Oil, Hot Water, Liquid, Oxygen, Specialty Gases, Water
Stem Adjustable packing, Live loaded
  • Positive sealing which is mechanically achieved and does not rely on line pressure assistance.
  • Bi-directional shut-off performance.
  • Body design options: wafer, lugged or double flanged.
  • Suitable for use on end-of-line service (lugged and double flanged).
  • Available in 3 design options. Soft seated, fire-safe or metal seated.
  • Compact design, minimizes weight, installation and maintenance costs.
  • Long life durability due to double offset operating principle minimizing seat wear.
  • One piece shaft for maximum strength and safety with long life.
  • Accessible packing adjustment without operator removal.
  • Fast and simple seat replacement.

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