Naqshadaynta flange ee sida caadiga ah loo isticmaalo waxay leeyihiin gaas jilicsan oo lagu tuujiyey inta u dhaxaysa sagxadaha flange ee adag si ay u sameeyaan shaabad ka xor ah. Qalabka gaasaska ee kala duwan ayaa ah caagadaha, elastomers (polymers guga), polymers-jilicsan oo daboolaya birta guga (tusaale, PTFE daboolan birta aan lahayn), iyo birta jilicsan (naxaas ama aluminium)
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