For GIS bushings and enclosure parts, provide assembly drawings, gas type and pressure, flange geometry, conductor connection and insulation duty. Agree leak-test method and limits for the actual part; IEC 62271-203 governs the GIS assembly.
Gas type and pressurePer GIS design
Flange interfaceApproved drawing
Leak testMethod and limit agreed
Assembly standardIEC 62271-203 if applicable
Buyer Review Points
Separate bushing, enclosure and assembly requirements
Confirm gas pressure and sealing geometry
Agree dimensional and leak-test acceptance
Check applicable bushing and GIS standards separately