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 standards, together with ISO 15848-1-BH-CO3 and API 641 1st version. The G4XZ valve can be used in hydrofluoric acid (HF) alkylation trade processes including:
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 used for deadly, poisonous and sub-zero fluid companies similar to chlorine, anhydrous hydrogen chloride, phosgene, propylene oxide, isobutane and HF acid.
Reduced fugitive emissions
Operators can install the Durco G4XZ valve with confidence in applications with unstable air pollution and unsafe fluids. เกจวัดแรงดัน has undergone rigorous testing and is certified to probably the most stringent industry standards, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
Engineered for safety
The G4XZ valve ensures increased plant and personnel security through its fire-safe design and building that complies with API 607 7th version and ISO 10497 2010 fire-safe requirements (for exterior leakage only).
Improved pressure gauge 2.5 นิ้ว 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 enhance sealing functionality.
Simplified, in-line maintenance
Design features an impartial plug, packing and prime cap seal that enable easy adjustment or re-energization of seals as wanted.
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