Gas mixtures - Import export

Formula: The formula of the Gas mixture depends on the customer's requirements Gas purity and content of its controlled impurities(vol.%, ppmv): depends on the customer's requirements Categories of Gas mixtures: Welding mixtures Food mixtures Laser mixtures Neon Sign Glass pack gas mixtures

Formula: He General Description: Liquid Helium is a liquid state of aggregation of Helium, a colorless, chemically inert liquid, transparent Gas purity and content of its controlled impurities(vol.%, ppmv) Brand 5.5 99,9995% Areas of use: To ensure the operation of superconducting electromagnets: in medical magnetic resonance diagnostics (MRI) machines, in research facilities such as elementary particle gas pedals and fusion plants; For the basis for ultra-low temperature generation in scientific experiments, Brand 5.5 Helium (He) 99.9995% Neon Ne ⩽1.0 ppmv Nitrogen N2 ⩽1.5 ppmv Oxygen + Argon O₂+Ar ⩽0.5 ppmv Hydrogen H2 ⩽0.2 ppmv Amount of hydrocarbons ΣCₙHₘ ⩽5.0 ppmv Carbon monoxide + Carbon dioxide CO+CO₂ ⩽0.1 ppmv Moisture H2O ⩽5.0 ppmv

Formula: He General Description: monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless Gas purity and content of its controlled impurities(vol.%, ppmv) Brand 4.0 99,99% Brand 4.5 99,995% Brand 5.0 99,999% Brand 6.0 99,9999% Areas of use: Metallurgy - as an inert shielding gas for smelting pure metals; Welding industry - as an inert medium in arc welding; Food industry - as a packaging gas for food preservation; For gas-filled aircraft and weather probes and balloons in the entertainment industry; Breathing mixtures for deep-sea diving; Advertising - for filling gas discharge tubes; Nuclear power - as a coolant; Gas chromatography; Helium-neon lasers. Brand 4.0 Helium (He) 99.99% Neon Ne ⩽90.0 ppmv Nitrogen N2 ⩽20.0 ppmv Oxygen + Argon O₂+Ar ⩽6.0 ppmv Hydrogen H2 ⩽25.0 ppmv Amount of hydrocarbons ΣCₙHₘ ⩽5.0 ppmv Carbon monoxide + Carbon dioxide CO+CO₂ ⩽10.0 ppmv Moisture H2O ⩽20.0 ppmv

Formula: Ne General Description: monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless Gas purity and content of its controlled impurities(vol.%, ppmv) Brand 5.0(HP) 99,999% Brand 6.0(UHP) 99,9999% Areas of use: Cryogenic facilities; Production of microelectronics; Radio engineering industry; Helium-Neon lasers; Advertising; Medicine; Chemical Industry Brand 5.0(HP) 99,999% Oxygen O2 ⩽1.0 ppmv Nitrogen N2 ⩽1.0 ppmv Hydrogen H2 ⩽1.0 ppmv Helium He ⩽2.0 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽1.0 ppmv Methane CH4 ⩽1.0 ppmv Moisture H2O ⩽1.0 ppmv Brand 6.0(UHP) 99,9999% Oxygen O2 ⩽0.1 ppmv Nitrogen N2 ⩽0.2 ppmv Hydrogen H2 ⩽0.1 ppmv Helium He ⩽0.1 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽0.1 ppmv Methane CH4 ⩽0.1 ppmv Moisture H2O ⩽0.1 ppmv

Formula: Kr General Description: monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless Gas purity and content of its controlled impurities(vol.%, ppmv) Areas of use: Radioelectronic industry. Production of double-glazed windows. Fuel elements in the space industry. For research and development activities (medicine, space, basic sciences). Brand 5.0(HP) 99,999% Oxygen O2 ⩽0.5 ppmv Nitrogen N2 ⩽2.0 ppmv Hydrogen H2 ⩽1.0 ppmv Xenon Xe ⩽1.0 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽1.0 ppmv Tetrafluoromethane CF4 ⩽1.0 ppmv Hydrocarbons ΣCnHm ⩽0.5 ppmv Moisture H2O ⩽1.0 ppmv Brand 6.0(UHP) 99,9999% Oxygen O2 ⩽0.1 ppmv Nitrogen N2 ⩽0.2 ppmv Hydrogen H2 ⩽0.1 ppmv Xenon Xe ⩽0.1 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽0.1 ppmv Tetrafluoromethane CF4 ⩽0.1 ppmv Hydrocarbons ΣCnHm ⩽0.1 ppmv Moisture H2O ⩽0.1 ppmv

Formula: The formula of the Gas mixture depends on the customer's requirements Gas purity and content of its controlled impurities(vol.%, ppmv): depends on the customer's requirements Categories of Gas mixtures: Welding mixtures Food mixtures Laser mixtures Neon Sign Glass pack gas mixtures

WITT offers high-quality gas mixers / gas blenders and gas metering systems for two or more gases, for high flow rates and highly fluctuating gas withdrawals. You can choose between various options: According to your requirements, WITT gas mixers / gas blenders are available for nearly all technical gases and flow rates: for the optimal gas mixture for welding applications, the required gas concentration for food packages (modified atmosphere packaging = MAP) or the production of synthetic air for medical applications. State-of the art mechanical or electronic gas mixing systems provide accuracy and process safety. You can also control your gas mixing systems conveniently via Intranet, Internet or mobile devices. Combinations of WITT gas mixers / gas blenders with other WITT quality products such as gas analysers are also possible. They can be manufactured as complete system solutions.

Handling of ATEX explosive gas mixtures Static ATEX zone 0 vapor extraction system upstream of an incinerator. Application: treatment of volatile organic components coming from loading operations of (petro) chemical products, tankstorage, tankcleaning, chemical processes … Zone 0 extraction : piping and valve train Zone 0 extraction up to inlet combustion chamber

Handling of ATEX explosive gas mixtures Mobile, TÜV approved system consisting of an ATEX zone 0 fan with smokeless flare for treatment of explosive vapors. Application: tank cleaning/ tank loading Mobile ATEX zone 0 vapor displacement system and mobile smokeless flare system for the treatment of vapors coming from tank cleaning. System characteristics : • Anti-flasback burners • Static flame/detonation arrestors • Hydraulic flame arrestors • LEL detection • O2 analysers • ATEX Zone 0 extraction fan