Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to carry out 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 edition. The G4XZ valve can be used in hydrofluoric acid (HF) alkylation industry processes together with:
Blending
Crude desalting
Gas plants
Isomerization
Light ends
Sulphur vegetation
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be utilized for lethal, poisonous and sub-zero fluid services 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 volatile air pollution and dangerous fluids. The Durco G4XZ valve design has undergone rigorous testing and is licensed to the most stringent industry 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 development that complies with API 607 seventh edition and ISO 10497 2010 fire-safe standards (for exterior leakage only).
Improved reliability and uptime
The tight shut-off efficiency is repeatable and reliable to attenuate unexpected downtime; The G4XZ valve design does not require lubrication for sealing. Instead, the plug can simply be adjusted additional into the sleeve to enhance sealing capability.
Simplified, in- เกจวัดแรงดันpsi features an independent plug, packing and high cap seal that permit simple adjustment or re-energization of seals as wanted.
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