| 摘要 |
System for protecting a connection of aligned pipes (1,1a) against the expansion and/or contraction of said pipes due to variations in temperature, pipes (1,1a) generally manufactured with polyethylene and of physical characteristics and resistance which permit them to withstand the aggression of the fluids to be transported, as well as bear the pressures at which said fluids can be conducted and/or transported, pipes which are of identical diameter, are connected by means of a collar (3), currently used and known, which guarantees the stability and watertightness of the splice, characterized by the application of a double flange, constituted by two identical fastening elements (2,2a) which grip the outer face of the end area of the two pipes (1,1a) connected with the watertight connecting collar (3) of known characteristics, so that they prevent the accidental displacement of said watertight connecting collar (3) in the event that the dimensions of end areas (4,4a) of the pipes vary due to the phenomenon of expansion or contraction.
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