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DVGW-Technical Rule [PUBLISHED]

G 621 (A)
Gas Installations in Laboratories and Scientific Classrooms - Planning, Construction, Modification, Maintenance and Operation

Title (German)

Gasinstallationen in Laborräumen und naturwissenschaftlichen Unterrichtsräumen -Planung, Erstellung, Änderung, Instandhaltung und Betrieb

Brief description

This technical rule applies to the planning, construction, modification, maintenance and operation of gas installations with operating pressures of up to 100 hPa (mbar) in classrooms and laboratories that are supplied with gases in accordance with DVGW Code of Practice G 260. It applies to piping systems installed on site by VIU and to the integration of prefabricated laboratory equipment ready for connection in accordance with DIN 30666. For gas installations in laboratories/classrooms that are to be operated with natural gas/hydrogen mixtures or hydrogen, Annex B must be observed.

Issue date

2022-03

Developing committee

DVGW G-TK 2-3 - Gas installation

National mirror committee

G-K 2-3 - Gas installation

areas / working committees

Application and Further Training, Safety, Certification

topic / sub working committees

Heating and Product certification

topics / working groups

Commercial applications
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