CEN/TC 360 - Project Committee - Coating systems for chemical apparatus and plants against corrosion

This European Standard describes the requirements for and methods of testing of combined systems with tile and brick layers which are applied to concrete or metallic process engineering equipment that will come in contact with chemical substances (liquids, solids and gases). The requirements specified here may be used for the purposes of quality control (e.g. as agreed between the contract partners or having been given by national regulations )).
The standard applies to systems which serve one or more of the following purposes:
-   to protect the component from adverse effects of aggressive substances;
-   to protect waters (e.g. ground water) against hazardous substances;
-   to protect the charge from becoming contaminated by components released from the substrate material;
-   to achieve a particular surface quality.
The described combined systems can be used for concrete or metallic process engineering equipment that will come into contact with chemical substances.
The combined system is a combination of:
-   a coating according to EN 14879-2 or EN 14879-3 with an additional layer of tiles or bricks embedded in cement mortar, resin based mortar and/or potassium silicate mortar as an adhesive bonding cement (re-ferred to simply as cement in this standard); or
-   a lining according to EN 14879-4 or EN 14879-5 with an additional layer of tiles or bricks embedded in cement mortar, resin based mortar and/or potassium silicate mortar as an adhesive bonding cement (re-ferred to simply as cement in this standard).
For design and preparation of substrate, see EN 14879-1.

This document describes the requirements for and methods of testing of organic linings which are applied to metallic process engineering equipment that will come in contact with chemical substances. The requirements specified here may be used for the purposes of quality control (e.g. as agreed between the contract
partners )).
The standard applies to linings which serve one or more of the following purposes:
   to protect the component from adverse effects of aggressive substances;
   to protect waters (e.g. ground water) from harmful substances;
   to protect the charge from becoming contaminated by components released from the substrate material;
   to achieve a particular surface quality.
This standard applies to vessels, apparatus, piping parts and other components for process plants made of metallic substrate materials which are in contact with media and are provided with a surface protection made of
a)   prefabricated, natural or synthetic rubber based sheeting (subsequently named rubber lining), to be
applied in the workshop or on site;
b)   prefabricated, phenol formaldehyde or epoxy resin based sheeting (subsequently named duroplastic lining), to be applied in the workshop only;
c)   prefabricated, thermoplastic products (e.g. foils, sheeting, plates, pipes) (subsequently named thermoplastic lining), to be applied in the workshop or on site.
The standard specifies the requirements, acceptance inspection, packaging, transport, storage and installation of organic linings for metallic materials.
The tests described in this standard are intended for verification of the suitability of sheeting used for linings and for acceptance inspection to be carried out on the products during or after application of the lining or as part of routine inspections to determine any changes effected in the lining during service.

This document describes the requirements for and methods of testing of organic linings which are applied to concrete process engineering equipment that will come in contact with aggressive chemical substances (liquids, solids and gases). The requirements specified here may be used for the purposes of quality control (e.g. as agreed between the contract partners).
The standard applies to linings which serve one or more of the following purposes:
   to protect the component from damaging effects of aggressive substances;
   to protect waters (e.g. ground water) from harmful substances;
   to protect the charge from becoming contaminated by components released from the substrate material;
   to achieve a particular surface quality.
The different lining systems are:
a)   bonded linings;
b)   mechanically fixed linings;
c)   loose linings of sheeting material;
d)   loose linings of pre-formed pieces or lining units.
Handling of aggressive or water pollutant materials is understood to include
e)   storage;
f)   filling;
g)   loading and unloading;
h)   manufacture;
i)   treatment;
j)   use.

This European Standard specifies the requirements for and methods of testing of organic coatings which are applied to metallic process engineering equipment that will come in contact with chemical substances (liquids, solids and gases). The requirements specified here may be used for the purposes of quality control (e.g. as agreed between the contract partners or been given by national regulations).
The standard does not cover coatings as in EN ISO 12944-1, but it does apply to coatings which serve one or more of the following purposes:
-   to protect the component from adverse effects of aggressive substances;
-   to protect waters (e.g. ground water) against hazardous substances;
-   to protect the charge from becoming contaminated by components released from the substrate material;
-   to achieve a particular surface properties.
The described coatings are to be used for metallic process engineering equipment that will come in contact with chemical substances. The different coating systems are:
-   laminate coating systems which contain cold-curing resins;
-   trowelled coating which contain cold-curing resins;
-   sprayed coating systems which contain resins (in special cases, such coatings may also be applied by brushing, rolling, flow coating, dipping, or by other means, such as providing sleeving for nozzles);
-   powder coating systems which contain organic materials (powder coatings may be used as corrosion protection or for non-stick purposes).
For design and preparation of substrate see EN 14879-1.

This European Standard specifies the requirements for and methods of testing of organic coatings which are applied to concrete process engineering equipment that will come in contact with aggressive chemical substances (liquids, solids and gases). The requirements specified here may be used for the purposes of quality control (e.g. as agreed between the contract partners).
The standard does not cover coatings as in EN ISO 12944-1, but it does apply to coatings which serve one or more of the following purposes:
-   to protect the component from damaging effects of aggressive substances;
-   to protect waters (e.g. ground water) from harmful substances;
-   to protect the charge from becoming contaminated by components released from the substrate material;
-   to achieve a particular surface properties.
The different coating systems are:
a)   impregnation, seals, thin coatings (applied by brushing, spraying or rolling);
b)   high-build coatings (applied by brushing, spraying, rolling, trowelling or pouring (self-levelling));
c)   laminate coatings;
d)   resinous screed;
e)   mastic asphalt screed with a waterproofing layer;
f)   combinations of the above coatings.
Table 1 shows the coating methods to be employed for various types of concrete members.
Handling of aggressive or water pollutant materials is understood to include:
storage;
1)   filling;
2)   loading and unloading;
3)   manufacture;
4)   treatment;
5)   use.

This European Standard describes the terminology, the design and the preparation of the substrate of
industrial apparatus for the protection against corrosion caused by aggressive media. These industrial apparatus include, for example, reaction tanks, storage tanks, floors in industrial plants, in general for production and handling of chemicals.
The protection is applicable to metallic and concrete structures.
Beside the protection of the apparatus, the protection of the media itself against pollution is also considered in this series of European Standards EN 14879.
A protection against corrosion caused by atmospheric exposure (as for example according to EN ISO 12944-4) is not included in the scope of this series of European Standards EN 14879.
Corrosion protection systems according to this series of European Standards EN 14879 are:
1)  Thick coatings normally of 1 mm or more thick.
2)  Linings made of pre-fabricated sheets respectively plate materials.
3)  Combined linings with tile and brick layers.