Partition size(mm) | Sound insulation coefficient(STC/RW) | Fire resistance time | Top and bottom expansion and contraction | Expansion plate | Adaptive track pulley | |||
---|---|---|---|---|---|---|---|---|
Net thickness | height | width | Top and bottom virtual position(mm) | Telescopic mechanism | ||||
100 | 2000-12000 | 800-1220 | 45-55DB | 2H | 0-50 | Medium DC motor | External Expansion/Internal Expansion/Internal Expansion | #260/#140/#130/#126/#110 |