Hermetic Reserve Valves (A-OKG)
Hermetic Reserve Valves are used as part of gas fire extinguishing systems for civil and industrial purposes, for fire protection of premises and technological equipment, including special facilities.
They are designed to prevent the movement of gas extinguishing agent moving through the pipelines in the opposite direction.
A-OKG correspond to the climatic performance of the temperate and cold climate of placement category 2.
The valves are produced in eight standard sizes with a nominal (conditional) diameter Du 16, Du 20, Du 25, Du 32, Du 40, Du 50, Du 65 and Du 80.