DS DS/EN ISO 5171
DS DSEN SO 5171 2010-MAY-15 Gas weldng equpment - Pressure gauges used n weldng cuttng and alled processes
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This Standard specifies requirements for Bourdon-tube pressure gauges normally used with compressed gases at pressures up to 300 bar in welding, cutting and allied processes. It also covers use for dissolved acetylene and for liquefied gases under pressure. It does not cover gauges for acetylene in acetylene manufacturing plants.