Certificate history:
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.
STANDARDS: The electrical 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.
The above-mentioned bushings can be made in stainless steel, carbon steel (A 105), low temp. steel (A 203) and brass.
The coupling between the sealing bushing and the apparatus enclosure is made by means of threaded joints. Threads normally used: ISO metric threads from M10 x 1.5 to M33 x 1.5 or NPT from 1/8” to 1”. Other equivalent threads can be used as an alternative.
The standard service temperature range for fittings is from -50°C to +110 °C wit the exception of the bushings made of carbon steel A 105 (-20°C to +110 °C).
