Equipment; Marking Of Features - Nippon Gases R-600 Manual

3. EQUIPMENT

1. Inlet stem (specific for each gas)
2. Low pressure gauge (EN 5171)
3. Adjusting pressure knob

4. MARKING OF FEATURES

Each regulator shows different markings for identification, according to standard, as indicated
hereafter:
(Example of REGULATOR R-600 for Oxygen)
1. Gas type
2. Regulator class according to EN ISO 2503
3. Max. inlet pressure
4. Max. outlet pressure
5. Date of manufacture (MonthYear)
TYPE OF GAS
OXYGEN
ACETYLENE
NITROGEN
ARGON / CO
2
PROPANE
R-600
4. Outlet hose nipple
5. Relief valve
1
O Class 2
3 200 bar
10 bar
CODE LETTER
O
A
N
N
P
REGULATOR
2 5
MMYY
4
21
EN
PT
EN