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Gas Quality ++ PDF file ++
G 260 Technicak Rule serves as the basis for the gas quality of fuel gas used in the supply of gas to the general public. Gases from regenerative sources receive special attention due to the consequences of climate protection. The requirements for the quality of gases used in the supply of the general public with gas have been adjusted to the developments as technical rules multiple times.
Tapping and Shutting Off; Part 3: Squeezing off Plastic Pipelines for Gas with Pressures above 5 bar and up to 16 bar and Outer Diameter to 225 mm ++ PDF file ++
This Guideline G 452-3 applies, in addition to DVGW G 452-2 (A):2020-08, to the temporary squeezing off (usedfor tie-ins or emergency maintenance) of plastic pipelines for gas distribution (containing between 0 and100 per cent hydrogen by volume) for pressures above 5 bar (0.5 MPa) up to 16 bar (1.6 MPa) duringsqueeze-off and outside diameters up to 225 mm.
Tapping and Shutting Off; Part 2: Squeezing off Plastic Pipelines for Gas with Pressures up to 5 bar and Outer Diameters up to 315 mm ++ PDF file ++
This Standard G 452-2 applies to the temporary squeezing off (used for tie-ins or emergency maintenance) of plas-tic pipelines for gas distribution (containing between 0 and 100 per cent hydrogen by volume) for pressuresup to 5 bar (0.5 MPa) during squeeze-off (including the possibility of a temporary pressure reduction atotherwise higher operating pressures) and outside diameters up to 315 mm (see Clause 5 for other case-specific application Limits).
Odorization of Gases ++ PDF file ++
G 280 Technica Rule serves as the basis for the odorization of gases for the supply of the general public.
Methods for detection, valuation, treatment and avoidance of dents on high pressure pipelines ++ PDF file ++
This DVGW Guideline G 473 contains recommendations for the detection, assessment, treatment and avoidanceof dents on high pressure gas pipeline made from steel with an operating pressure of greater than 16 barwhich are subjected to predominantly static loads and which are meant for the transportation of gases asdefined by DVGW Code of Practice G 260.
Companies for Construction, Repair and Connection - Requirements and Tests ++ PDF-Datei ++
This Standard GW 301 applies to companies which build, repair, and connect pipelines in gas and water supply systems using open trench construction.
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