Disc Type Insulator The Porcelain Suspension Insulators are mainly used on HV overhead transmission line to support and insulate conductors. The normal type disc insulators are mainly including Standard Type and Fog Type which widely used in the clean areas and pollution areas. We can supply full range of Suspen- sion Insulators to meet IEC, ANSI, BS, AS, and other specifications required by client. Main Types: 1. Standard Suspension Insulators ANSI C29.2 From ANSI 52-1 to ANSI 52-9; 2. Standard Suspension Insulators IEC 383 (BS 137 & AS1137) from 40 KN, 45KN, 60KN, 70KN, 80KN, 100KN, 110KN, 120 KN, 125KN,160KN, 210KN, 300KN. 3. Fog Type Anti-pollution Insulators from 70KN, 80KN, 100KN, 120KN, 160KN, 210KN; 4. Double Shed Anti-pollution Insulators from 70KN,100KN, 160KN, 210KN