Flowserve’s Durco® G4XZ

Anonymous -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 standards, together with 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 plants
Isomerization
Light ends
Sulphur plants
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve additionally can be utilized for lethal, toxic and sub-zero fluid services such as chlorine, anhydrous hydrogen chloride, phosgene, propylene oxide, isobutane and HF acid.
Reduced fugitive emissions
Operators can set up the Durco G4XZ valve with confidence in purposes with volatile air pollution and unsafe fluids. Worldwide has undergone rigorous testing and is certified to the most stringent trade standards, together with 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 security by way of its fire-safe design and construction that complies with API 607 7th version and ISO 10497 2010 fire-safe standards (for external leakage only).
Improved reliability and uptime
The tight shut-off efficiency is repeatable and reliable to reduce 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 capability.
Simplified, in-line upkeep
Design features an impartial plug, packing and prime cap seal that enable easy adjustment or re-energization of seals as needed.
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