Mandatory & Optional Markings Markings
- Mandatory Markings
- Optional Markings
MANDATORY
Pi MarkingCompliance to European
Transportable Pressure Equipment
Directive, TPED 2010/35/EU
OPTIONAL
Temperature RangeOperating and storage temperature range if the valve has been design tested for extended temperature range
MANDATORY
Standard ComplianceCompliance to EN ISO 10297 standard. If ISO VB is marked on the valve, it indicates that the valve has been tested for Oxygen pressure surge test for use as a main valve
- Mandatory Markings
- Optional Markings
MANDATORY
Outlet IdentificationValve outlet connection which
engages with the filling /
discharge connection
OPTIONAL
Valve test pressure (TP)*or Valve working pressure (WP)*
Working Pressure is settled pressure of a compressed gas at 15 °C in a full gas cylinder or cylinder bundle for which the valve is intended to be used. Test Pressure is minimum pressure of the valve used for endurance test, Oxygen pressure surge test & leak tightness test during type & production testing.
MANDATORY
Total Package MassTotal package mass (combined mass of a gas cylinder, its valve, its permanent attachment(s) including valve guard & its maximum allowed gas content) for which the valve can be used without valve protection
MANDATORY
Manufacturer’s Identification