Description according to EN ISO 2503
1. Cylinder valve
2. Inlet connection
3. High pressure gauge
4. Low pressure gauge
(gauge l/min in pressure regulator with
flowmeter gauge)
5. Pressure adjustment screw
6. Shut-off valve
7. Outlet connection
(E.g.. hose nozzle with union.
Nut not included.)
8. Pressure relief valve
9. Regulating office throttle (for pressure
control), only in pressure regulators with
flowmeter gauge
10. Type designation, name of manufacturer
and/or distributor
Marking gas type
A
= Acetylene
O
= Oxygen
P
= LPG
N
= CO2, Nitrogen, Inert gas
H
= Hydrogen
D
= Compressed air
M
= Methane/Natural gas
Y
= MPS
P1
= Highest admission pressure
P2
= Maximum outlet pressure or flow
Device class according to EN ISO 2503
Date of production – Code
Manufacturer Code
This operating manual is intended to ensure the
safe use of the pressure regulator for its intend-
ed purpose. Reading and following instruction
in the operating manual contributes to prevent-
ing hazards, reduces downtime and increases
the reliability and service life of the devices.
THIS OPERATING MANUAL
MUST ALWAYS REMAIN
AVAILABLE WITHIN REACH.
Safety instructions see also Point 2: in case of
doubt the manufacturer or distributor should
be contacted.
2
1
3
10
4
2
8
5
6
9
7
