Technical Data; Mounting Instructions - Siemens VR12C Allgemeines Gebrauchsanweisung

General use instructions for VR12C / VR12CB cylinder valves

Technical data

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Control Products & Systems
Technical data
Technical data
Gaseous agent
Pressure relief valve
Operating pressure
Tightening torque for mounting on cylinder
Outlet connection
Cylinder connection
Operating temperature
Construction characteristics
Materials used for parts in contact with gas:
Machined body
Machined valve
Seal
Compliance with standards
● EN 12094-4
● ISO 17871

Mounting instructions

NOTICE
Cleanliness
Most sealing faults are due to lack of cleanliness during mounting. Perform all
mounting operations in optimum conditions of cleanliness.
Checks
Each valve is delivered fitted with protection caps. These protect it from impact,
humidity and dust.
● After opening the packaging, ensure that there is no visible damage to the valve.
● Before installing the valve, check that no damage has occurred during transport.
If any damage is observed, make the usual reserves immediately and notify your
Siemens contact person.
Carbon dioxide
270 bar ± 7,5 %
176 bar at 50° C
23 daNm ± 10 %
G 3/4ʺ - ISO 228
25E – EN ISO 11363-1
- 20 °C to + 50 °C
Brass
Brass
EP 851
A6V10432479_int_b1
2018-07-12