Russian standards

Index system of production quality. Butterfly and spherical valves for hydraulic turbines. Index nomenclature

Document status: Active

Oil-filled cables for alternating voltage 110-500 kV. Specifications

Document status: Active

Surge overvoltages and surge protection in low-voltage a.c. power systems. General basic information

Document status: Active

Electrical apparatus for explosive gas atmospheres. Part 13. Construction and use of rooms or buildings protected by pressurization

Document status: Replaced by GOST 31610.13-2019

Safety of transformers, reactors, power supply units and combinations thereof. Electromagnetic compatibility (EMC) requirements

Document status: Active

Lightning protection system components. Part 3. Requirements for isolating spark gaps

Document status: Active