Mandatory & Optional Markings Markings
- Mandatory Markings
- Optional Markings
Pi Marking
Compliance to European Transportable Pressure Equipment Directive, TPED 2010/35/EU
Identification Of Notified Body
Four digit identification number for TPED notified body
Temperature Range
Operating and storage temperature range if the valve has been design tested for extended temperature range
Item Code
Alpha numeric valve identification
Standard Compliance
Compliance 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
Series
Model number of the valve with unique design features
Country Of Origin
Country where the valve is manufactured
Country Of Origin
Country where the valve is manufactured
- Mandatory Markings
- Optional Markings
Inlet Identification
Valve inlet connection which engages with the cylinder neck
Outlet Identification
Valve outlet connection which engages with the filling / discharge connection
Gas Service
Gas service for which the valve is certified, compatible & intended to be used
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.
Total Package Mass
Total 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
Manufacturing Date
YYYY/MM - Year & month of manufacture of valve
Manufacturer’s
Identification
Manufacturer’s Identification
Batch Number
Traceability to the row material used to manufacture valve body