Support plates carry stem extensions and avoid a decreasing of the street cap, especially in lose ground like sand.
The Support plate ensures the street cap is positioned absolutely centrally over the square cap of the stem extension.
The BÜSCH support plate is made of PP. It is highly resilient and robust. Also temperature and weather resistant, furthermore resistant to corrosion by alkalis and acids in the winter.
The BÜSCH support plate contains intakes for all BÜSCH stem extensions, for house connections and gate valves, and also for street caps acc. to DIN 4057 and DIN 4056, to ensure a proper fit of extension and street cap.