Keystone 360/362 och 370/372 K-LOK högpresterande vridspjällsventil

Keystone 360/362 och 370/372 K-LOK högpresterande vridspjällsventil

Keystone™ K-LOK 360/362 har en unik tvådelad axel och dubbel-offset skiv-/axeldesign som möjliggör hög cykling och skapar en lägre skivprofil med ökad kapacitet.

Certifications ABS, American Bureau of Shipping Shipboard, CRN, Fire Safe, NACE, SIL capable
End Connection Lugged, Wafer
Application Balance of Plant, Cogeneration, Biofuels, Blower, Clean Steam, Cleaning & Processing, Compressors , Container Ship, Cooling Water
Material 316 Stainless Steel, Carbon Steel, Duplex, Monel, Stainless Steel, Super Duplex, Teflon, Steel
Operating Temperature Up to 250 F (120 C)
Pressure Class ASME
Process Connection Type CL150RF, CL300RF
Seat/Seal Type High performance, Metal, Resilient, Soft, Soft Seal
Shutoff Class Zero Leakage, Class IV (FCI 70-3)
Standards API 609, ASME B16.34
Valve Size NPS 6 / DN 150, NPS 4 / DN 100, NPS 8 / DN 200, NPS 3 / DN 80, NPS 24 / DN 600, NPS 2-1/2 / DN 65
Valve Size Standard NPS
Valve Type Butterfly
Media Vacuum, Water, Water Glycol, Steam, Specialty Gases, Oxygen, Liquid, Aggressive Liquids/Gases, Air, Air, Inert Gas
Stem Adjustable packing, Live loaded
  • Integrally cast mounting pad provides direct mounting of many actuators.
  • Rocker-shaped gland bridge compensates for uneven adjustment of gland nuts.
  • Extended neck allows for two inches of pipeline insulation.
  • Flattened body bore at shaft journal ports positions shaft bearings near disc, providing maximum shaft support.
  • Disc taper pins are tangentially positioned half in disc and half in shaft, placing them in compression rather than shear, which eliminates potential for failure.
  • Integrally cast disc position stop perfectly locates the disc in seat, achieving maximum seat and seal life.
  • K-LOK polymer, elastomer, and fire-safe seats provide bi-directional, drop-tight closure in vacuum and throughout all pressure ranges, as well as at full rated differential pressure. A variety of materials allows optimum seat life in all applications.

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