DURCO® G4XZ LOW-EMISSION PLUG VALVE
Flowserve engineered the Durco® G4XZ low-emission plug valve to perform reliably and ensure compliance with the most stringent ISO and API fugitive emissions standards, including ISO 15848-1-BH-CO3 and API 641 2016.
The G4XZ valve can be used in hydrofluoric acid (HF) alkylation industry processes including:
- Blending
- Crude desalting
- Gas plants
- Isomerization
- Light ends
- Sulphur plants
The versatile G4XZ valve also can be used for lethal, toxic and sub-zero fluid services such as chlorine, anhydrous hydrogen chloride, phosgene, propylene oxide, isobutane and HF acid.
Reduced fugitive emissions
Operators can install the Durco G4XZ valve with confidence in applications with volatile air pollutants and hazardous fluids. The Durco G4XZ valve design has undergone rigorous testing and is certified to the most stringent industry standards, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 2016.
Engineered for safety
The G4XZ valve ensures increased plant and personnel safety via its fire-safe design and construction that complies with API 607 7th edition and ISO 10497 2010 fire-safe standards (for external leakage only).
Improved reliability and uptime
The tight shut-off performance is repeatable and reliable to minimize unforeseen downtime; The G4XZ valve design does not require lubrication for sealing. Instead, the plug can simply be adjusted further into the sleeve to improve sealing capability.
Simplified, in-line maintenance
Design features an independent plug, packing and top cap seal that allow simple adjustment or re-energization of seals as needed.
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