Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to perform reliably and ensure compliance with essentially 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 used in hydrofluoric acid (HF) alkylation business processes together with:
Blending
Crude desalting
Gas crops
Isomerization
Light ends
Sulphur vegetation
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be used for deadly, 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 applications with unstable air pollution and dangerous fluids. The Durco G4XZ valve design has undergone rigorous testing and is certified to essentially the most stringent trade requirements, including ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st edition.
Engineered for safety
The G4XZ valve ensures increased plant and personnel safety through its fire-safe design and development that complies with API 607 seventh version and ISO 10497 2010 fire-safe standards (for exterior leakage only).
Improved pressure gauge หน้าปัด 2 นิ้ว and uptime
The tight shut-off performance is repeatable and reliable to reduce unforeseen downtime; The G4XZ valve design doesn’t require lubrication for sealing. Instead, the plug can merely be adjusted additional into the sleeve to improve sealing functionality.
Simplified, in-line maintenance
Design features an impartial plug, packing and high cap seal that allow simple adjustment or re-energization of seals as needed.
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