Non-Lubricated Plug Valves - G4
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.
... Read more Read less• 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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