DIN 28120 Circular sight glass fittings with sight glasses in main power connection*, 2021-04-01 Update
DIN 28121 Circular sight glass fitting with round sight glass plate in force shunt*, 2021-04-01 Update
DIN ISO 1776 Glass; resistance to attack by hydrochloric acid at 100 °C; flame emission or flame atomic absorption spectrometric method; identical with ISO 1776, edition 1985
DIN ISO 2859-1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1:1999 + Cor. 1:2001 + Amd.1:2011); Text in German and English*, 2014-08-01 Update
DIN ISO 695 Glass; resistance to attack by a boiling aqueous solution of mixed alkali; method of test and classification; identical with ISO 695:1991
DIN ISO 718 Laboratory glassware; thermal shock and thermal shock endurance; test methods; identical with ISO 718:1990
DIN ISO 719 Glass - Hydrolytic resistance of glass grains at 98 °C - Method of test and classification (ISO 719:2020)*, 2021-12-01 Update
DIN ISO 7991 Glass - Determination of coefficient of mean linear thermal expansion (ISO 7991:1987)
DIN 7080:2005 history
2024DIN 7080:2024-02 Pressure resistant circular sight glasses of borosilicate glass without limitation in the range of low temperature / Note: Date of issue 2024-01-05*Intended as replacement for DIN 7080 (2005-05).
2024DIN 7080 E:2024 Draft Document - Pressure resistant circular sight glasses of borosilicate glass without limitation in the range of low temperature
2005DIN 7080:2005-05 Pressure resistant circular sight glasses of borosilicate glass without limitation in the range of low temperature
2005DIN 7080:2005 Pressure resistant circular sight glasses of borosilicate glass without limitation in the range of low temperature