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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 requirements, together with ISO 15848-1-BH-CO3 and API 641 1st edition. The G4XZ valve can be utilized in hydrofluoric acid (HF) alkylation business processes including:
Blending
Crude desalting
Gas crops
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 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 functions with risky air pollution and hazardous fluids. เพชเชอร์เกจ has undergone rigorous testing and is certified to probably the most stringent business standards, together with ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
Engineered for security
The G4XZ valve ensures increased plant and personnel safety by way of its fire-safe design and construction 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 efficiency is repeatable and dependable to minimize unforeseen downtime; The G4XZ valve design does not require lubrication for sealing. Instead, the plug can merely be adjusted further into the sleeve to improve sealing capability.
Simplified, in-line maintenance
Design features an unbiased plug, packing and high cap seal that allow easy adjustment or re-energization of seals as wanted.
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