Mechanical engineering

Standard [CURRENT] 2014-07

DIN 4924:2014-07

Sands and gravels for well construction - Requirements and testing

This standard is an updated new edition. The requirement and tests for sands and gravels for well construction are specified. The sands and gravels are introduced as filter layers during ...

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Standard [CURRENT] 2020-08

DIN 19626:2020-08

Chemicals used for treatment of water intended for human consumption - Calcium chloride

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2016-09

DIN EN 878:2016-09

Chemicals used for treatment of water intended for human consumption - Aluminium sulfate; German version EN 878:2016

The European standard is a new edition. In addition to purity criteria and the corresponding analytical methods, it specifies requirements for the labeling, transport and storage of the respective ...

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2016-09

DIN EN 882:2016-09

Chemicals used for treatment of water intended for human consumption - Sodium aluminate; German version EN 882:2016

The European standard is a new edition. In addition to purity criteria and the corresponding analytical methods, it specifies requirements for the labeling, transport and storage of the respective ...

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2023-05

DIN EN 888:2023-05

Chemicals used for treatment of water intended for human consumption - Iron (III) chloride; German version EN 888:2023

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2023-05

DIN EN 889:2023-05

Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate; German version EN 889:2023

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2023-05

DIN EN 890:2023-05

Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution; German version EN 890:2023

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2023-05

DIN EN 891:2023-05

Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German version EN 891:2023

This standard is part of the DVGW body of rules.

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Standard [CURRENT] 2013-02

DIN EN 896:2013-02

Chemicals used for treatment of water intended for human consumption - Sodium hydroxide; German version EN 896:2012

The European Standard contains in addition to purity criteria and the corresponding analysis methods requirements for marking, transport and storage of the corresponding products as well as the ...

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Standard [CURRENT] 2022-10

DIN EN 899:2022-10

Chemicals used for treatment of water intended for human consumption - Sulfuric acid; German version EN 899:2022

This standard is part of the DVGW body of rules.

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