Flowserve’s Durco® G4XZ

Low-Emission Plug Valve
Flowserve engineered the Durco® G4XZ low-emission plug valve to perform reliably and guarantee compliance with essentially the most stringent ISO and API fugitive emissions requirements, including ISO 15848-1-BH-CO3 and API 641 1st edition. The G4XZ valve can be used in hydrofluoric acid (HF) alkylation trade processes including:
Blending
Crude desalting
Gas plants
Isomerization
Light ends
Sulphur crops
Chlorine
Anhydrous hydrochloric acid (HCl)
Hydrofluoric acid (HF)
The versatile G4XZ valve also can be used for lethal, poisonous and sub-zero fluid providers corresponding 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 volatile air pollutants and dangerous fluids. The Durco G4XZ valve design has undergone rigorous testing and is certified to essentially the most stringent business requirements, together with ISO 15848-1-BH-CO3 (2,500 mechanical cycles) and API 641 1st version.
pressure gauge 4 นิ้ว for security
The G4XZ valve ensures increased plant and personnel safety through 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 performance is repeatable and dependable to reduce unexpected 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 options an independent plug, packing and prime cap seal that enable easy adjustment or re-energization of seals as needed.
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