Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to carry out reliably and ensure compliance with essentially the most stringent ISO and API fugitive emissions requirements, together with ISO 15848-1-BH-CO3 and API 641 1st edition. The G4XZ valve can be utilized in hydrofluoric acid (HF) alkylation industry processes together with:
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 utilized for deadly, poisonous and sub-zero fluid companies similar to 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 licensed to probably the most stringent business requirements, together with ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
Engineered for safety
The G4XZ valve ensures increased plant and personnel safety by way of its fire-safe design and building that complies with API 607 seventh version and ISO 10497 2010 fire-safe requirements (for external leakage only).
Improved reliability and uptime
The tight shut-off efficiency is repeatable and reliable to attenuate unforeseen downtime; The G4XZ valve design does not require lubrication for sealing. Instead, เกจวัดแรงดันเชื้อเพลิง can simply be adjusted further into the sleeve to enhance sealing functionality.
Simplified, in-line upkeep
Design options an unbiased plug, packing and top cap seal that allow easy adjustment or re-energization of seals as needed.
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