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  • Keystone Figure 638 F638 Series E/Series 2 Slurry Valves
Keystone-P-P000939

Keystone Figure 638 F638 Series E/Series 2 Slurry Valves

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Product Description

The F638 SE/S2 is an extreme heavy duty slurry control valve, with an extended body style and replaceable body sleeve.

Charakterystyka

  • Heavy robust construction.
  • Full repairability with replaceable internals for significantly extending valve life.
  • Extended body for protection of down stream piping.
  • Chrome Iron internals on the Series 2 coated with tungsten carbide.
  • Series 2 features tungsten carbide disc end spacers.
  • Swing through disc for minimal leakage at elevated temperatures.
  • Wing-style disc for optimum flow and wear resistance.
  • Venturi liner for improved flow control and thicker liner for wear resistance.
  • Improved mechanical seal to prevent the ingress of media to the bearing journals.
  • KTFE stem seals for ultimate resistance against caustic and acid applications.
  • Superior multiple stem seals.
  • Standardized mounting and drive adaptor connection allowing direct mounting of Keystone actuators and also allows for in-line actuator removal.

Dane techniczne

Certifications
PED
End Connection
Wafer
Application
Metals Processing, Hard Surface, Dirty Service, Erosive, Control
Body Design
Long Pattern
Material
Carbon Steel
Pressure Class
ASME
Process Connection Type
CL150RF, CL300RF, CL600RF
Seat/Seal Type
Metal
Standards
ASME B16.34
Valve Size
NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 2 / DN 50, NPS 1-1/2 / DN 40, NPS 2-1/2 / DN 65, NPS 20 / DN 500, NPS 8 / DN 200, NPS 6 / DN 150, NPS 3 / DN 80, NPS 24 / DN 600, NPS 4 / DN 100
Valve Size Standard
DN
Valve Type
Butterfly
Media
Solid
Stem
Adjustable packing

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