National technical approval (abZ)
Here, the declarations of compliance include certificates of suitability for intended use according to the federal state building ordinance which are derived from the building codes of the DIBt or the sample administrative provision for technical building regulations VV TB.
GOK products are primarily general approvals of the building inspectorate or general type approval. They are supplemented here as attachment by further documents such as the technical descriptions.
National technical approval (abZ) are available for the following GOK products:
Compression fitting type Profipress G - edition 2016
General building-authority approval Z-38.4-71
Compression fitting type Profipress G - edition 2019
General building-authority approval Z-38.4-71
Leak Alarm type LWG 2000 - edition 2013
General building-authority approval Z-65.40-357
replaced by edition 2018
Leak Alarm type LWG 2000 - edition 2018
General building-authority approval / general type approval Z-65.40-357
Leak Alarm type LWG 2000 - edition 2023
General building-authority approval / general type approval Z-65.40-357
Leak Indicator type LAG 2000 - edition 2010
General building-authority approval Z-65.24-474
replaced by edition 2015
replaced by edition 2015
Leak Indicator type LAG 2000 - edition 2015
General building-authority approval Z-65.24-474
validity until 1st April 2017
validity until 1st April 2017
Leak Protection System type AS-2 - edition 2014
General building-authority approval Z-65.40-394
replaced by edition 2019
replaced by edition 2019
Leak Protection System type AS-2 - edition 2019
General building-authority approval Z-65.40-394
replaced by edition 2024
replaced by edition 2024
Leak Protection System type AS-2 - edition 2024
General building-authority approval Z-65.40-394
Membrane-controlled Anti-siphon Device type HS-V.2 - edition 2016
General building-authority approval Z-65.50-492
Membrane-controlled Anti-siphon Device type HS-V.2 - edition 2021
General building-authority approval Z-65.50-492
Overfill Protection type BC-1 - edition 2021
General building-authority approval Z-65.11-428
Overfill Protection type BC-2 - edition 2021
General building-authority approval Z-65.11-612
Safety System type F-Stop GWG-DEV, GWG-FSS and GWG-FSS-DEV - edition 2017
General building-authority approval Z-65.17-495
Safety System type F-Stop GWG-DEV, GWG-FSS and GWG-FSS-DEV - edition 2022
General building-authority approval Z-65.17-495
Solenoid valve anti-siphoning device type HS-MV - edition 2017
General building-authority approval Z-65.50-450