Common CGT-02 Series User Manual

3
COMMON S.A. CGT-OM-18 february.2018
I. INTENDED USE AND CONDITIONS OF USE
Intended use
CGT-02 turbine gas meters are electromechanical pressure devices designed to measure
the volume of gas flowing through a system. In standard versions, the gas meters may be used
at sites with probable occurrence of explosive atmospheres formed as mixtures of gases
and air classified as explosion groups IIA and IIB. There are also special versions of meters
for group IIC.
Table 1 lists the physical properties of the most common gases and gas mixtures that may be
measured with CGT-02 gas meters. The gas meters are produced with the following
connection types: PN10, PN16, PN20 (ANSI150), PN25, PN40, PN50 (ANSI300),
PN63/PN64, PN100, PN110 (ANSI600).
The turbine gas meters can be used both indoors in stabilized temperature conditions
and outdoors (open locations), however, in the latter case, it is recommended that the gas
meter is shielded from direct exposure to atmospheric factors (metal containers, casings,
roofs, shields etc.)
Conditions of use
1. Directive 2014/32/UE (MID) compliance:
- Certificate PL-MI002-1450CM0003, revision 6
- CE marking 1450, Oil and Gas Institute
- working pressure range p  11 MPa
- ambient temperature range –25°C  t +70°C
- gas temperature range –25°C  t  +70°C
- storage temperature range –30°C  t +70°C
- mechanical environment class M2
- electromagnetic environment class E2
- metrological parameters Table 2.
- metrological accuracy class 1.0
- operational position H, HV, VU, VD (for p  0.4 MPa)
- operational position H (for 0.4 MPa < p  11 MPa)
- installation conditions inlet straight pipe with a length of 2 DN
2. IECEx Certyficate of Conformity.
- certificate IECEx KDB 15.0003
- marking standard version Ex ia IIB T5 Gb
special purpose version Ex ia IIC T5 Gb
- ambient temperature –25° C  Ta  + 70° C
3. Directive 2014/34/UE (ATEX) compliance:
- certificate KDB 04ATEX036, annex 1, 2, 3 and 4
- CE marking 1453, Central Mining Institute, Experimental Mine ”Barbara”
- operation conditions : standard version II 2G Ex ia IIB T5 Gb
special purpose version II 2G Ex ia IIC T5 Gb
- meter case index of protection IP66/IP67
- ambient temperature range –25°C Ta  +70°C
Mxx

Common CGT-02 Series Specifications

General

Brand	Common
Model	CGT-02 Series
Category	Measuring Instruments
Language	English