Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to perform reliably and ensure compliance with probably the most stringent ISO and API fugitive emissions standards, together with ISO 15848-1-BH-CO3 and API 641 1st version. The G4XZ valve can be used in hydrofluoric acid (HF) alkylation business processes including:
Blending
Crude desalting
Gas crops
Isomerization
Light ends
Sulphur crops
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve additionally can be utilized for lethal, 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 applications with risky air pollution and hazardous fluids. The Durco G4XZ valve design has undergone rigorous testing and is licensed to the most stringent business standards, together with ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st edition.
Engineered for security
The G4XZ valve ensures increased plant and personnel safety via its fire-safe design and development that complies with API 607 seventh version and ISO 10497 2010 fire-safe requirements (for exterior leakage only).
Improved reliability and uptime
The tight shut-off performance is repeatable and dependable to attenuate unforeseen downtime; The G4XZ valve design doesn’t require lubrication for sealing. Instead, the plug can simply be adjusted further into the sleeve to improve sealing functionality.
Simplified, in- เกจวัดแรงดันpressuregauge features an impartial plug, packing and top cap seal that enable simple adjustment or re-energization of seals as wanted.
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