12 FLOWSIC500 · Operating Instructions · 8025733/1GMJ/V4-2/2022-07 · © SICK Engineering GmbH
Important information
Subject to change without notice
1.3.3 Operation in potentially explosive atmospheres
1.3.4 Combustible gas
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The FLOWSIC500 is suitable for measuring combustible and occasionally ignitable
gases corresponding to zones 1 and 2.
1.3.5 Restrictions of use
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Refer to the type plate for the configuration of your FLOWSIC500.
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Check the FLOWSIC500 is suitably equipped for your application (e.g., gas conditions).
The FLOWSIC500 is suitable for use in potentially explosive atmospheres:
ATEX: II 2G Ex ia [ia] IIB T4 Gb, II 2G Ex ia [ia] IIC T4 Gb, II 2G Ex op is IIC T4 Gb
IECEx: Ex ia [ia] IIB T4 Gb, Ex ia [ia] IIC T4 Gb, Ex op is IIC T4 Gb
US/C: Class I Division 1, Groups C, D T4, Ex/AEx ia IIB T4 Ga
Further information on potentially explosive atmospheres → p. 46, §3.4.1.
WARNING: Hazard through material fatigue
The FLOWSIC500 has been designed for use under mainly static loads.
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Maximum allowed gradient of static pressure: 3 bar/s (45 psi/sec)
The number of complete pressure application and release processes should be
kept low during operation.
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Replace the device when 500 cycles have been reached.
NOTICE:
The FLOWSIC500 is designed for measuring clean and dry natural gas.
▸
The operating company should install a suitable filter or cone screen ahead
of the gas flow meter when the gas is contaminated.
NOTICE:
● The FLOWSIC500 is suitable for use in pressurized lines within the
parameters specified in the device. The device conforms to Pressure Device
Equipment 2014/68/EC.
● It is the user's responsibility to ensure the maximum values specified for
pressure and temperature on the type plate are not exceeded during
operation.
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