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Non-Lubricated Plug Valves - G4
Brand: Flowserve DurcoThe 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.
Features- 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
Specifications
Brand
Pressure Class Range
- Class 150-300
Seating Material
- PFA
- Durlon II
- UMPHWE
- TFEG
- MHT
Size Range
- 1/2” - 18”
Standards
- ASME B16.34
- ASME B16.10
- API 607, ISO 15848-1
- API 598
- API 5