Flowserve’s 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 requirements, 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 vegetation
Isomerization
Light ends
Sulphur vegetation
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be used for lethal, poisonous and sub-zero fluid providers 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 risky air pollutants and unsafe fluids. เกจวัดแรงดูด has undergone rigorous testing and is licensed to probably the most stringent trade standards, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
Engineered for safety
The G4XZ valve ensures elevated plant and personnel safety through its fire-safe design and development that complies with API 607 7th version and ISO 10497 2010 fire-safe standards (for exterior leakage only).
Improved reliability and uptime
The tight shut-off performance is repeatable and dependable to minimize unforeseen downtime; The G4XZ valve design doesn’t require lubrication for sealing. Instead, the plug can simply be adjusted additional into the sleeve to enhance sealing functionality.
Simplified, in-line maintenance
Design options an impartial plug, packing and high cap seal that permit simple adjustment or re-energization of seals as wanted.
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