Non-Lubricated Plug Valves - G4
Product Brand
Non-Lubricated Plug Valves
About this product

The Durco G4 Sleeveline plug valve is engineered for use the most corrosive and difficult chemical services where drop-tight shutoff is an absolute requirement. It offers the proven reliability of the plug/PTFE sleeve primary seal with a fluoropolymer diaphragm secondary seal.

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• Dependable, tight shutoff and in-line seal adjustment from tapered plug design

• Lower maintenance costs due to design that utilizes two adjuster fasteners that permit in-line seal adjustments under pressure within seconds

• Low fugitive emissions through fluoropolymer reverse-lip diaphragm that provides a pressure-activated, self-energizing dynamic and static stem seal

• Compatibility with a range of Automax actuators and other instrumentation

• Options for lethal, toxic and sub-zero fluid services plus process control and high flow requirements

  • ASME B16.34
  • ASME B16.10
  • API 607
  • ISO 15848-1
  • API 598
  • API 599

Size Range: NPS 1/2 to 20

Pressure Class Range: Class 150-300

Seating Material: PTFE, Durlon II, UHMWPE, TMHT

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