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DWDC401 Concealed Fire Door Closer (Light to medium Weight Fire Door use)
Specification:
- Concealed closer
- Material: cast Aluminium
- Maximum door weight of 35~60kgs
- Two hydraulic pressure valves control the two swing portions of door closing separately. Square and Round type available
- Manufactured to comply with EN3-6
- CERTIFIRE approved for fire doors GA93-2004
- Independent testing to BS EN 1154
- 500,000 time cycles
