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Butterfly Metal Seated | Keystone

Slurry Valves - Figure F638 - Control Valve - E/Series 2 - 080mm-600mm

Keystone Slurry Valves, Butterfly Metal Seated

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

  • Series E for heavy duty service.
  • Series 2 for arduous duty service.

Features & Benefits:

  • Heavy robust construction.
  • Full repairability with replaceable internals for significantly extending valve life.
  • Extended body for protection of down stream piping.
  • Chrome Iron internals. 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.
  • Standardised mounting and drive adaptor connection allowing direct mounting of Keystone actuators and also allows for actuator removal while valve inline.
  • Manufactured under quality system ISO 9001:2000. Certificate No Mel 0400133.
  • Available with PED approval. Cert No: 0038/PED/MUM/0710020/1.

See the Technical Data Sheet in the Documentation tab for detailed specifications

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Installation & Maintenance Instructions

F638 Series E/Series 2 - Slurry Valves (English)

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Installation & Maintenance Instructions

F638 Series E/Series 2 - Slurry Valves (English)

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Installation & Maintenance Instructions

Figure 738 Pneumatic Actuator 50 - 200mm mounting instructions (English)

Mounting instructions for F738 pneumatic cylinder, 50 - 200mm knife gate valves

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Installation & Maintenance Instructions

F638 Series E/Series 2 - Slurry Valves (English)

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Technical Data Sheets

F638 Series E/Series 2 (English)

Extreme heavy duty slurry control valve with an extended body and replaceable body sleeve.

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CAD Drawings

F638 050 Valve Assy.stp (English)

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CAD Drawings

F638 080 Valve Assy.stp (English)

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CAD Drawings

F638 150 Valve Assy.stp (English)

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CAD Drawings

F638 100 Valve Assy.stp (English)

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CAD Drawings

F638 200 Valve Assy.stp (English)

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CAD Drawings

F638 250 Valve Assy.stp (English)

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CAD Drawings

F638 300 Valve Assy.stp (English)

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CAD Drawings

F638 350 Valve Assy.stp (English)

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CAD Drawings

F638 400 Valve Assy.stp (English)

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CAD Drawings

F638 450 Valve Assy.stp (English)

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CAD Drawings

F638 500 Valve Assy.stp (English)

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CAD Drawings

F638 600 Valve Assy.stp (English)

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