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IECEx Certificate
of Conformity

 
INTERNATIONAL ELECTROTECHNICAL COMMISSION
IEC Certification Scheme for Explosive Atmospheres
for rules and details of the IECEx Scheme visit www.iecex.com
Ex COMPONENT CERTIFICATE

 
Certificate No.:
IECEx BVS 14.0106U issue No.: 1
 
Status:
Current
 
Date of Issue:2019-06-25Page 1 of 4
 
 
Applicant:
ELMESS-Thermosystemtechnik GmbH & Co. KG
Nordallee 1
29525 Uelzen
Germany
Ex Component: Heater type DH* ** M0* **-***
This component is NOT intended to be used alone and requires additional consideration when incorporated into other equipment or systems for
use in explosive atmospheres (refer to IEC 60079-0).
 
 
Type of Protection:Equipment protection by flameproof enclosures "d", Equipment dust ignition protection by enclosure "t"

 Marking:

Ex db IIC Gb    or
Ex db IIB Gb    or
Ex tb IIIC Db

 
 
Approved for issue on behalf of the IECEx
Certification Body:
Jörg Koch

 
Position:Head of Certification Body


 
Signature:
(for printed version)
 
Date:
 
 
1. This certificate and schedule may only be reproduced in full.
2. This certificate is not transferable and remains the property of the issuing body.
3. The Status and authenticity of this certificate may be verified by visiting the Official IECEx Website.
 

  Certificate issued by:
DEKRA Testing and Certification GmbH
Certification Body
Dinnendahlstrasse 9
44809 Bochum
Germany


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IECEx Certificate
of Conformity

  
Certificate No.:IECEx BVS 14.0106U
 
Date of Issue:2019-06-25Issue No.: 1
 
Page 2 of 4
  
Manufacturer:
ELMESS-Thermosystemtechnik GmbH & Co. KG
Nordallee 1
29525 Uelzen
Germany


 
Additional Manufacturing location(s):

 

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 Component 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.


STANDARDS:
The Ex Component 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:

 
IEC 60079-0 : 2017
Edition: 7.0
Explosive atmospheres - Part 0: Equipment - General requirements
IEC 60079-1 : 2014-06
Edition: 7.0
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
IEC 60079-31 : 2013
Edition: 2
Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
 
This Certificate does not indicate compliance with electrical safety and performance requirements other than those expressly included in the Standards listed above.


 
TEST & ASSESSMENT REPORTS:A sample(s) of the Ex Component listed has successfully met the examination and test requirements as recorded in

 
Test Report:

DE/BVS/ExTR14.0100/01


Quality Assessment Report:

DE/EPS/QAR15.0011/03


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IECEx Certificate
of Conformity

  
Certificate No.:IECEx BVS 14.0106U
 
Date of Issue:2019-06-25Issue No.: 1
 
Page 3 of 4
 
Schedule
 
   Ex Component(s) covered by this certificate is described below:
 

Subject and Type
See Annex

Description
The heater type DH* ** M0* **-*** is designed in the type of protection Flameproof Enclosure "d" or Protection by Enclosure "t".
The heating housings consist of two parts which are screwed together by means of threads. The flameproof terminal housing is available in welded and non-welded construction. The tubular part of the housing is made of stainless steel and serves to accommodate the heating coil. This is filled with magnesium oxide and compressed to a high strength. The other part is used for mounting a cable entry. To connect the heater, a permanently connected cable is part of the heater housing.

Parameters
See Annex

 
 
   SCHEDULE OF LIMITATIONS:
 

The temperature class, a control unit if required (level, flow, etc.) and further conditions of use (ambient temperature, self-heating, heat conduction, fitted position etc.) have to be defined when testing the entire heating system.
The apparatus shall only be connected using the lead fitted. This lead has to be connected observing the instructions provided. The connecting compartment in a potentially explosive atmosphere has to meet the requirements of an acknowledged type of protection according to IEC 60079-0.
The equipotential bonding has to be established via the nipple, flange or the bushing.
The heater has to be mounted in such a manner that it will be protected against mechanical stress.
The lengths of the flameproof joints are in parts longer and the gaps of the flameproof joints are in parts smaller than the values of table 2 and 3 of IEC 60079-1:2014. For information of the dimensions of the flameproof joints contact the manufacturer.
The assessment of the cable sheath or the installation of the fixed supply line with regard to electrostatic ignition hazards must be carried out as part of the certification of the complete unit.

 


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IECEx Certificate
of Conformity

  
Certificate No.:IECEx BVS 14.0106U
 
Date of Issue:2019-06-25Issue No.: 1
 
Page 4 of 4
 
 DETAILS OF CERTIFICATE CHANGES (for issues 1 and above):
 
 
•    Updating of the applied standards with simultaneous marking changes.
Removal of the cylindrical pipe thread, as these are no longer permitted according to the current version of IEC 60079-1.
 
 




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