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 trade processes including:
Blending
Crude desalting
Gas vegetation
Isomerization
Light ends
Sulphur vegetation
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be utilized for deadly, toxic and sub-zero fluid providers 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 pollutants and dangerous fluids. diaphragm seal has undergone rigorous testing and is certified to probably the most stringent trade requirements, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
pressure gauge for security
The G4XZ valve ensures increased plant and personnel security by way of its fire-safe design and development that complies with API 607 7th edition and ISO 10497 2010 fire-safe requirements (for external 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 merely be adjusted additional into the sleeve to improve sealing functionality.
Simplified, in-line upkeep
Design options an independent plug, packing and prime cap seal that permit easy adjustment or re-energization of seals as needed.
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