This document specifies requirements for rubber- or plastics-covered conveyor belting of textile construction for use in underground mines and disposed on flat or troughed idlers. It is not applicable to light conveyor belts as described in ISO 21183-1. This document does not include requirements for plastics covers. These are agreed upon by the manufacturer and purchaser, taking into account the type of plastics to be used. Related items that are not requirements of this document, but which it is recommended be agreed upon by the manufacturer and purchaser, are included in Annex A. Details recommended to be supplied by the purchaser of belting with an enquiry are given in Annex B. The ability of a belt to run straight cannot be assessed until the belt is installed. Requirements for this are, therefore, outside the scope of this document; nevertheless, recommendations for lateral drift are
given in Annex C.
Attention is drawn to local regulations for safety which might be in place where the belts are to be used.

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ISO 283:2015 specifies a test method for the determination of the full thickness tensile strength in the longitudinal direction and the elongation at the reference force and breaking point of conveyor belts having a textile carcass. The method can also be used for the determination of full thickness tensile strength in the transverse direction and the elongation at the breaking point, for use when the manufacturer is requested by the purchaser to state values for these properties.
ISO 283:2015 is not suitable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 252:2007 specifies two test methods, A and B, for determining the adhesion strength between constitutive elements of a conveyor belt, i.e. between plies and between covers and carcass. Basic test conditions are in conformity with ISO 36.
It is applicable to all types of construction of conveyor belting with the exception of belts containing steel cord reinforcement, and textile-reinforced belts with a full-thickness tensile strength of less than 160 N/mm. It is not suitable or valid for light conveyor belts as described in ISO 21183-1.

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This document specifies requirements for rubber- or plastics-covered conveyor belting of textile construction for use in underground mines and disposed on flat or troughed idlers. It is not applicable to light conveyor belts as described in ISO 21183-1.
This document does not include requirements for plastics covers. These are agreed upon by the manufacturer and purchaser, taking into account the type of plastics to be used.
Related items that are not requirements of this document, but which it is recommended be agreed upon by the manufacturer and purchaser, are included in Annex A.
Details recommended to be supplied by the purchaser of belting with an enquiry are given in Annex B.
The ability of a belt to run straight cannot be assessed until the belt is installed. Requirements for this are, therefore, outside the scope of this document; nevertheless, recommendations for lateral drift are given in Annex C.
Attention is drawn to local regulations for safety which might be in place where the belts are to be used.

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This document specifies requirements for rubber- or plastics-covered conveyor belting of textile construction for use in underground mines and disposed on flat or troughed idlers. It is not applicable to light conveyor belts as described in ISO 21183-1. This document does not include requirements for plastics covers. These are agreed upon by the manufacturer and purchaser, taking into account the type of plastics to be used. Related items that are not requirements of this document, but which it is recommended be agreed upon by the manufacturer and purchaser, are included in Annex A. Details recommended to be supplied by the purchaser of belting with an enquiry are given in Annex B. The ability of a belt to run straight cannot be assessed until the belt is installed. Requirements for this are, therefore, outside the scope of this document; nevertheless, recommendations for lateral drift are given in Annex C. Attention is drawn to local regulations for safety which might be in place where the belts are to be used.

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This document specifies a test method for the determination of the full thickness tensile strength in the longitudinal direction and the elongation at the reference force and breaking point of conveyor belts having a textile carcass. The method can also be used for the determination of full thickness tensile strength in the transverse direction and the elongation at the breaking point, for use when the manufacturer is requested by the purchaser to state values for these properties.
This document does not apply to light conveyor belts as described in ISO 21183‑1.

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ISO 583:2007 specifies test methods for the determination of total belt thickness and the thickness of constitutive elements of conveyor belts having a textile carcass. The constitutive elements include the covers, the carcass and interlayers, i.e. the material between adjoining plies. It is not suitable or valid for light conveyor belts as described in ISO 21183-1.

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ISO 7623:2015 specifies a method for determining the bond strength of metal cords to their surrounding coating, either in the initial state or after thermal treatment.
It applies exclusively to metal-carcass conveyor belts.

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This document specifies a test method for the determination of the full thickness tensile strength in the longitudinal direction and the elongation at the reference force and breaking point of conveyor belts having a textile carcass. The method can also be used for the determination of full thickness tensile strength in the transverse direction and the elongation at the breaking point, for use when the manufacturer is requested by the purchaser to state values for these properties. This document does not apply to light conveyor belts as described in ISO 21183‑1.

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This document specifies two test methods, A and B, for determining the adhesion strength between constitutive elements of a conveyor belt, i.e. between plies and between covers and carcass. Basic test conditions are in conformity with ISO 36.
It is applicable to all types of construction of conveyor belting with the exception of belts containing steel cord reinforcement, and textile-reinforced belts with a full-thickness tensile strength of less than 160 N/mm. It is not suitable or valid for light conveyor belts as described in ISO 21183-1[1].
NOTE          Methods A and B are alternative options, but the mean adhesive force values calculated for the two methods can be different. Also, as both methods might not be equally suitable for all belt constructions, it is advisable that the advice of the belt manufacturer be sought.

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This document specifies test methods for the determination of total belt thickness and the thickness of constitutive elements of conveyor belts having a textile carcass. The constitutive elements include the covers, the carcass and interlayers, i.e. the material between adjoining plies.
This document does not apply to light conveyor belts as described in ISO 21183‑1.

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This document specifies two test methods, A and B, for determining the adhesion strength between constitutive elements of a conveyor belt, i.e. between plies and between covers and carcass. Basic test conditions are in conformity with ISO 36. It is applicable to all types of construction of conveyor belting with the exception of belts containing steel cord reinforcement, and textile-reinforced belts with a full-thickness tensile strength of less than 160 N/mm. It is not suitable or valid for light conveyor belts as described in ISO 21183-1[1]. NOTE Methods A and B are alternative options, but the mean adhesive force values calculated for the two methods can be different. Also, as both methods might not be equally suitable for all belt constructions, it is advisable that the advice of the belt manufacturer be sought.

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This document specifies test methods for the determination of total belt thickness and the thickness of constitutive elements of conveyor belts having a textile carcass. The constitutive elements include the covers, the carcass and interlayers, i.e. the material between adjoining plies. This document does not apply to light conveyor belts as described in ISO 21183‑1.

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This document specifies a method for the determination of the tensile strength, in the longitudinal, of steel cords constituting the carcass of conveyor belts.
It applies exclusively to conveyor belts with a steel carcass.
NOTE      A method for the determination of elongation is specified in ISO 7622‑1.

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This document specifies a method for assessing, on a small scale, the reaction of a conveyor belt to an ignition flame source. It is applicable to conveyor belts having a textile carcass as well as steel cord conveyor belts.

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This document specifies a method for determining the bond strength of metal cords to their surrounding coating, either in the initial state or after thermal treatment.
It applies exclusively to metal-carcass conveyor belts.

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This document specifies a method for determining the bond strength of metal cords to their surrounding coating, either in the initial state or after thermal treatment. It applies exclusively to metal-carcass conveyor belts.

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This document defines a method for the determination of the width-related indentation rolling resistance of conveyor belts. The goal is to be a full-scale test and simulation on finished belt constructions which are reproducible and relevant for the practical use. The test results can be used for a comparison of conveyor belts and for design of belt conveyors with steel cord and fabric conveyor belts. This document is not suitable or valid for light conveyor belts described in ISO 21183‑1.

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Screw conveyors are mechanical devices for the continuous move, discharge or variable rate
feeding of bulk materials in form of powder, granules or grain. They are often used
horizontally or at a slight incline to discharge or feed silos, storage bins, cyclones, filter units,
mills or other equipment in many bulk handling industries.
This Technical Report describes requirements on screw conveyors which can in addition be
used as explosion isolation systems to prevent a dust explosion transmission into connected
plant items.
The scope of this technical report is limited to rigid tubular screw conveyors which consist of
a spiral blade coiled around a shaft held in external bearings (the rotating part of the
conveyor is sometimes called “auger”). Additional internal bearings can be necessary if the
tubular screw conveyor exceeds a certain length.

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This document specifies a method for assessing, on a small scale, the reaction of a conveyor belt to an
ignition flame source. It is applicable to conveyor belts having a textile carcass as well as steel cord
conveyor belts.

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ISO 7622-2:2015 specifies a method for the determination of the tensile strength, in the longitudinal, of steel cords constituting the carcass of conveyor belts.
It applies exclusively to conveyor belts with a steel carcass.
NOTE A method for the determination of elongation is specified in ISO 7622‑1.

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This document describes the recommendations for the design and use of screw conveyors and product receivers which can in addition be used as a means for explosion isolation to prevent a dust explosion transmission into connected plant items by using the bulk material which is inside.
The recommendations given in this document are procedural measures since the properties of the bulk material affect the efficacy of this measure essentially (e.g. flow and explosion characteristics). Product receivers and screw conveyors cannot be considered as protective systems under the scope of the ATEX Directive.
As far as screw conveyors are concerned, the scope of this document is limited to rigid, tubular, singular screw conveyors which consist of a spiral blade coiled around a shaft held by external bearings (the rotating part of the conveyor is sometimes called “auger”).
NOTE   Additional internal bearings can be necessary if the tubular screw conveyor exceeds a certain length.
This document includes limits of application where a plug of bulk material in a screw conveyor is not possible/sufficient to achieve explosion isolation and also application ranges where a plug of bulk material is not necessary to achieve explosion isolation.
This document does not address the mandatory risk analysis and ignition hazard assessment, which are performed for the application of the screw conveyors and product receivers. The mandatory risk assessment includes start-up and shut-down conditions, when potentially no plug of material is present to prevent explosion propagation. To mitigate this residual risk, it is possible to use as an extra measure, e.g. a traditional gate valve which prevents flame transmission and is able to withstand the expected maximum explosion pressure.

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This document specifies a method for the determination of the tensile strength, in the longitudinal, of steel cords constituting the carcass of conveyor belts. It applies exclusively to conveyor belts with a steel carcass. NOTE A method for the determination of elongation is specified in ISO 7622‑1.

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This document specifies a method for assessing, on a small scale, the reaction of a conveyor belt to an ignition flame source. It is applicable to conveyor belts having a textile carcass as well as steel cord conveyor belts.

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ISO 433:2017 specifies the marking of conveyor belts, i.e.  
- the indications to be marked;
- the dimensions of the marks;
- the position of the marks.
ISO 433:2017 does not apply to light conveyor belts as described in ISO 21183‑1.

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This document specifies test methods for determining the electrical resistances of light conveyor belts
according to ISO 21183-1. The resistances are surface resistance, volume resistance perpendicular
to the belt plane, and longitudinal and transverse volume resistance parallel to the belt plane. This
document also specifies two test methods for determining the surface resistivity and the volume
resistivity.

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ISO 20238:2018 specifies a method of testing to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary, under a given tension, in surface contact around a rotating driven steel drum.
ISO 20238:2018 describes means of varying the conveyor belt tension.
NOTE       For conveyor belts containing steel reinforcement, it may not be possible to conduct this test in full due to the inability of the conveyor belt to comply with the requirements of 7.2. In this case, premature termination according to 7.3 can be necessary.

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This document establishes a list of equivalent terms relating to light conveyor belts.
NOTE       In addition to terms used in the three official ISO languages (English, French and Russian), this document gives the equivalent terms in German, Spanish, Italian and Japanese; these are published under the responsibility of the member bodies for Germany (DIN), Spain (AENOR), Italy (UNI) and Japanese (JISC). However, only the terms given in the official languages can be considered as ISO terms.

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This European Standard describes a method of test to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary under a given tension, in surface contact around a rotating driven steel drum.
Means of varying the belt tension are described.
NOTE   For certain belt types, due to their construction, it may not be possible to conduct this test due to the inability of the belt to comply with the requirements of 6.2.3.

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This document establishes a list of equivalent terms relating to light conveyor belts.
NOTE In addition to terms used in the three official ISO languages (English, French and Russian), this
document gives the equivalent terms in German, Spanish, Italian and Japanese; these are published under the
responsibility of the member bodies for Germany (DIN), Spain (AENOR), Italy (UNI) and Japanese (JISC). However,
only the terms given in the official languages can be considered as ISO terms.

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This document specifies three methods for the measurement of total belt thickness and the thickness of covers of steel cord conveyor belts.
Methods A1 and A2 (micrometer methods) can be used for all steel cord conveyor belts for the measurement of both total belt thickness and cover thickness.
Method B (optical method) is intended for the measurement of cover thickness only. It is not suitable if there is a textile or metal weft, nor if the ends of the steel cords become twisted when cut.

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This document establishes a list of equivalent terms relating to light conveyor belts. NOTE In addition to terms used in the three official ISO languages (English, French and Russian), this document gives the equivalent terms in German, Spanish, Italian and Japanese; these are published under the responsibility of the member bodies for Germany (DIN), Spain (AENOR), Italy (UNI) and Japanese (JISC). However, only the terms given in the official languages can be considered as ISO terms.

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This document specifies three methods for the measurement of total belt thickness and the thickness of
covers of steel cord conveyor belts.
Methods A1 and A2 (micrometer methods) can be used for all steel cord conveyor belts for the
measurement of both total belt thickness and cover thickness.
Method B (optical method) is intended for the measurement of cover thickness only. It is not suitable if
there is a textile or metal weft, nor if the ends of the steel cords become twisted when cut.

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ISO 505:2017 specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only.
This test is intended for application to textile belts in installations where there is a risk of longitudinal tearing.

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This document specifies three methods for the measurement of total belt thickness and the thickness of covers of steel cord conveyor belts. Methods A1 and A2 (micrometer methods) can be used for all steel cord conveyor belts for the measurement of both total belt thickness and cover thickness. Method B (optical method) is intended for the measurement of cover thickness only. It is not suitable if there is a textile or metal weft, nor if the ends of the steel cords become twisted when cut.

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This document specifies a method of test for the measurement of the propagation resistance of an initial
tear in textile conveyor belts, either in full thickness or of the carcass only.
This test is intended for application to textile belts in installations where there is a risk of longitudinal
tearing.

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ISO 20238:2018 specifies a method of testing to determine the propensity of a conveyor belt to generate heat flame or glow when held stationary, under a given tension, in surface contact around a rotating driven steel drum. ISO 20238:2018 describes means of varying the conveyor belt tension. NOTE For conveyor belts containing steel reinforcement, it may not be possible to conduct this test in full due to the inability of the conveyor belt to comply with the requirements of 7.2. In this case, premature termination according to 7.3 can be necessary.

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ISO 15236-3:2017 specifies the performance and constructional requirements applicable to conveyor belts for underground mining having steel cords in the longitudinal direction as reinforcement. The requirements for design and construction apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2.
Steel cord belts in accordance with this document are intended for use underground in coal mines and in other applications where the highest demands for safety against fire and explosion hazards have to be complied with.
NOTE          At present, the requirements can only be met by the use of compounds based on chloroprene rubber for the covers, as well as for the bonding rubber.

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ISO 433:2017 specifies the marking of conveyor belts, i.e. - the indications to be marked; - the dimensions of the marks; - the position of the marks. ISO 433:2017 does not apply to light conveyor belts as described in ISO 21183‑1.

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ISO 505:2017 specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only. This test is intended for application to textile belts in installations where there is a risk of longitudinal tearing.

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ISO 15236-2:2017 specifies preferred types of conveyor belts with steel cords in the longitudinal direction as reinforcement. The belt type series in this document are based on the general requirements for construction given in ISO 15236‑1.

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ISO 703:2017 specifies a test method for determining the transverse flexibility (troughability) of a conveyor belt, expressed as a ratio, F/L. The method is not suitable or valid for light conveyor belts as described in ISO 21183‑1.

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ISO 15236-1:2016 specifies the performance and constructional requirements applicable to conveyor belts having steel cords in the longitudinal direction as reinforcement. The requirements for construction given in Clause 6 apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2.

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This document specifies the performance and constructional requirements applicable to conveyor
belts for underground mining having steel cords in the longitudinal direction as reinforcement. The
requirements for design and construction apply to the design of single belts, as well as the design of
complete type series such as those covered in ISO 15236-2.
Steel cord belts in accordance with this document are intended for use underground in coal mines and
in other applications where the highest demands for safety against fire and explosion hazards have to
be complied with.
NOTE At present, the requirements can only be met by the use of compounds based on chloroprene rubber
for the covers, as well as for the bonding rubber.

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ISO 9856:2016 specifies a method for determining the elastic and permanent elongation of a conveyor belt and the calculation of the elastic modulus.
It is not applicable or valid for light conveyor belts as described in ISO 21183‑1.

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This draft European Standard defines a method for the determination of the width related indentation rolling resistance of conveyor belts. The goal is that the method easily and quickly delivers values which are reproducible and relevant for the practical use. The test results enable a comparing evaluation and the design of belt conveyors with steelcord and fabric conveyor belts.
This draft European Standard is not suitable or valid for light conveyor belts described in EN ISO 21183 1.

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ISO 15236-3:2017 specifies the performance and constructional requirements applicable to conveyor belts for underground mining having steel cords in the longitudinal direction as reinforcement. The requirements for design and construction apply to the design of single belts, as well as the design of complete type series such as those covered in ISO 15236‑2. Steel cord belts in accordance with this document are intended for use underground in coal mines and in other applications where the highest demands for safety against fire and explosion hazards have to be complied with. NOTE At present, the requirements can only be met by the use of compounds based on chloroprene rubber for the covers, as well as for the bonding rubber.

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This part of ISO 15236 specifies the performance and constructional requirements applicable to
conveyor belts having steel cords in the longitudinal direction as reinforcement. The requirements for
construction given in Clause 6 apply to the design of single belts, as well as the design of complete type
series such as those covered in ISO 15236-2.

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