Technical datas：
| MODEL | DSMS-22 | DSMS-31 | DSMS-44A | DSMS-448 |
| Door weight | 10-80kgs／leaf | 30-100kgs／leaf | 10-60kgs／leaf | 20-80kgs／leaf |
| Door width | 700-1200mm | 1200-l6OOmm | 700-1200mm | 700-1200mm |
| Closing drive system | Spiral spring type | |||
| Controlling system | Fluid friction resistance type | |||
| Durability | More than 1 million open/close operations | |||
| Spring thickness | O.265mm | 0.385mm | 0.265mm | 0.385mm |
| Rail length | 2200mm | 3100mm | 4400mm | 4400mm |
| Always open function | yes | yes | yes | yes |
Left open / Right open：
Components：
Add: No.28 Rongji Road,Luotuo Industrial District,
Tel: +86 574-86571865
Fax: +86 574 86571867
Email: info@doortec.com.cn
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