LD DN200 Ball Valve for Thermal Insulation in Underground Heat Networks

Pipes and fittings with thermal insulation made of polyurethane foam (PU) in a protective sheath: in polyethylene (PE) jacket, designed for underground laying of heat networks (channelless or in non-passable and semi-passable channels), or in steel galvanised (OC) jacket - in passable channels or tunnels, as well as for above-ground laying, operating with the following design parameters of heat carrier (superheated water): working pressure according to the project and temperature not more than 150 °? within the schedule of qualitative-quantitative regulation of heat supply 150 °? - 70 °? in accordance with Annex A of GOST 30732-2020