Kosan + Guardiancavagnana
The KOSAN+ Guardian regulators incorporate a dielectric insulation. This regulator is an all in one solution and there is no need to buy separate dielectric unions. The Guardian reduces installation costs and time as well as potential leak points.
In accordance with NFPA 58
§ 188.8.131.52 Underground metallic piping, tubing, or both which convey LPG from a gas storage container shall be provided with dielectric fittings at the building to electrically isolate it from the aboveground portion of the fixed piping system that enters a building. Such dielectric fitting shall be installed above ground and outdoors.