Ex d IIC T1-T6; Gb, -40 C < Tamb < + 80 C
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 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.
Flange Immersion Heaters Series F. Rated 690 Vac max, 1 or 3 phase, 120 W/sq. in max tubular. Ambient temperature range: - 40 deg C to + 80 deg C.
The settings of the temperature control devices of the heater bundle shall be such that the surface temperature does not exceed its stated temperature class.
The gap between the body and the cover shall not exceeed 0.038 mm.
a) Addition of three nominal heating element diameter options: 0.0480"(12.45 mm), 0.685"(1740 mm) and 0.935"(23.75 mm). b) Increased maximum heater sheath watt density to 120 watts/square inch. c) Updates to Manufacturer's Documents to include additional element diameter options and watt density, as well as minor paperwork changes. Special conditions for safe use appear on the Certificate.
a) Increased maximum upper ambient temperature to 60 deg C (from 40 deg C); b) Updates to manufacturer's Documents to include ambient temperature range up to 60 deg C.
a)Increased maximum upper ambient temperature to 80 deg C (from 40 deg C); b) Expanded gas group to Group IIC (from group IIB+H2); c) Expanded rated voltage to 690 Vac (from 600 Vac); d) Changed Series designation to Series F (from Series FX); e) Updates to Manufacturer's Documents to include the changes.