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, including ISO 15848-1-BH-CO3 and API 641 1st version. The G4XZ valve can be used in hydrofluoric acid (HF) alkylation trade processes together with:
Blending
Crude desalting
Gas vegetation
Isomerization
Light ends
Sulphur plants
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be used for deadly, toxic and sub-zero fluid companies corresponding to 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 unstable air pollution and hazardous fluids. The Durco G4XZ valve design has undergone rigorous testing and is certified to the most stringent industry requirements, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st edition.
Engineered for safety
The G4XZ valve ensures elevated plant and personnel safety through 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 performance is repeatable and reliable to reduce unforeseen downtime; The G4XZ valve design does not require lubrication for sealing. Instead, the plug can simply be adjusted further into the sleeve to enhance sealing capability.
Simplified, in- เกจวัดแรงดัน300psi , packing and top cap seal that permit simple adjustment or re-energization of seals as wanted.
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