Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to perform reliably and guarantee compliance with essentially the most stringent ISO and API fugitive emissions standards, including ISO 15848-1-BH-CO3 and API 641 1st version. The G4XZ valve can be utilized in hydrofluoric acid (HF) alkylation industry processes together with:
Blending
Crude desalting
Gas vegetation
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 providers corresponding 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 applications with volatile air pollution and unsafe fluids. เครื่องมือวัดpressure has undergone rigorous testing and is licensed to essentially the most stringent trade standards, including 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 through its fire-safe design and construction that complies with API 607 7th edition 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 minimize unexpected downtime; The G4XZ valve design does not require lubrication for sealing. Instead, the plug can simply be adjusted additional into the sleeve to improve sealing functionality.
Simplified, in-line upkeep
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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