Compressed gases

PRESENTATION

• HYDROGEN

No.	PROPERTY	M.U.	ALLOWABLE CONDITIONS
1.	Hydrogen content	% vol	min. 99.9
2.	Impurities content    (O2, N2, CO, CO2)   - from which Oxygen	% vol. % vol.	max. 0.1 max. 0.1
3.	Chlorine content	-	absent

• OXYGEN

No.	PROPERTY	M.U.	ALLOWABLE CONDITIONS
1.	Oxygen content	% vol	min. 99
2.	Nitrogen and noble gases content	% vol.	max. 1

• NITROGEN

No.	PROPERTY	M.U.	ALLOWABLE CONDITIONS
1.	Nitrogen and noble gases content	% vol	min. 99.9
2.	Oxygen content	% vol.	max. 0.1
3.	Condensation point	°C	max. (-21)

USES
1. Hydrogen

• in chemical and petrochemical industry
• in metals welding and cutting
• as combustion gas mixed with other gases
• in classical energetic and nuclear industry

2. Oxygen

• in metallurgy
• in chemical industry
• in engineering industry

3. Nitrogen

• as inert medium for electric bulbs filling
• for welding
• in chemical processes
• for inflammable liquids decanting
• in engineering industry
• in electronics
• in veterinary medicine
• for animal breeding

PACKING

• in steel gas cylinders under pressure

STORAGE

• in original packing, in ventilated places, away from fire sources

TRANSPORT

• by authorized trucks , away from  others combustible materials.