Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to carry out reliably and guarantee compliance with the most stringent ISO and API fugitive emissions standards, including ISO 15848-1-BH-CO3 and API 641 1st edition. The G4XZ valve can be used in hydrofluoric acid (HF) alkylation trade processes including:
Blending
Crude desalting
Gas plants
Isomerization
Light ends
Sulphur plants
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be used for deadly, toxic and sub-zero fluid companies 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 functions with unstable air pollutants and unsafe fluids. The Durco G4XZ valve design has undergone rigorous testing and is certified to the most stringent industry requirements, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
Engineered for security
The G4XZ valve ensures increased plant and personnel security by way of its fire-safe design and building that complies with API 607 seventh edition and ISO 10497 2010 fire-safe standards (for exterior leakage only).
Improved เกจวัดแรงดันน้ำ4หุน and uptime
The tight shut-off efficiency is repeatable and dependable to reduce unforeseen downtime; The G4XZ valve design doesn’t require lubrication for sealing. Instead, the plug can merely be adjusted additional into the sleeve to improve sealing functionality.
Simplified, in-line maintenance
Design options an impartial plug, packing and prime cap seal that enable easy adjustment or re-energization of seals as needed.
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