DORMA BTS75V Floor Spring
- Universal floor spring conforming to DIN EN 1154,
- Non-handed unit suitable for LH and RH single and double action doors
- Up to 120 kg leaf weight,
- Adjustable spring strength (size EN 1 – 4) and closing speed,
- Closing action operational from approx. 175°.
- Featuring hydraulically fully controlled closing cycle and backcheck.
- Including cement box.
- Non hold open
- Hold open 90 Degrees or 105 Degrees