Ex db IIC T6 GbEx e IIC GbEx tb III C Db IP66
This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
This Unit verification certificate is issued as verification that the Apparatus identified on page 1, was assessed and tested and found to comply with the IEC Standard list below. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
The apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:
As this is a Unit Verification Certificate, no QAR is applicable as this certificate is specific to the items listed by serial number or other unique identification.
These breathing and draining devices or flames arrestor are intended to be fitted on enclosure "Ex d" or "Ex db", with maximum volume 68 dm3 for group IIC and 150 dm3 for group IIB or IIB+H2 and without limitation of volume for "Ex e", "Ex eb", "Ex tb" and "Ex tc" versions.These Ex components get the degrees of protection IP66 in accordance with IEC 60529 standard.
SCHEDULE OF LIMITATIONThis component can be used in range of ambient temperatures from -60°C to 65°C.The maximum temperature recorded is 79°C for ambient temperature 65°C.The non transmission tests was performed on the standard test rig as specified on figure 21 of IEC 60079-1 standard.This Ex component can be fitted only on the external parts of the following enclosures:- For group IIC with a maximum volume 68 dm3 .- For group IIB or IIB+H2 with a maximum volume volume 150 dm3. - With a maximum reference pressure 40 bar.- Without limitation of volume for type protection "e", "eb", "tb" and "tc"
- Application of the standard IEC 60079-1: 2014.
- Modification of the identification code.
Issue 2:- Application of the IEC 60079-31: 2013.- Possibility to install this breating and draining device on flameproof enclosures IIB or IIB + H2 with a maximum volume 150 dm3 and maximum pressure 40 bar.- Add some new type of threaded joints.
Issue 1:- Increase of ambient temperature up to 65°C.