Keystone K-LOK Figure 360/362 and 370/372 high performance butterfly valves are rated to ASME Class 150 and Class 300, and provide bidirectional, drop-tight closure.
These valves are available in a variety of materials to optimize reliability, no matter the application.
Keystone Figure 360362 and 370372 High Performance Butterfly Valves-FAMILY
Keystone K-LOK Figure 360/362 and 370/372 High Performance Butterfly Valves

Specs

Valve Type
Butterfly
Seat/Seal Type
High performance, Metal, Resilient, Soft, Soft Seal
Material
316 Stainless Steel, Carbon Steel, Duplex, Monel, Stainless Steel, Steel, Super Duplex, Teflon
Pressure Class
ASME
Process Connection Type
CL150RF, CL300RF
Shutoff Class
Class IV (FCI 70-3), Zero Leakage
Standards
API 609, ASME B16.34
Valve Size
PS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 2 / DN 50, NPS 20 / DN 500, NPS 2-1/2 / DN 65, NPS 24 / DN 600, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150
Valve Size Standard
NPS

Features

  • 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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