- Spring mechanism assists in lifting door and holds in open position (10° to 80°).
- Can be installed individually or in pairs.
- Non-handed: can be installed on left or right side.
- Torque calculation:
Torque (N.m) = H(m) x ½ x W (kg) x 9.8 with:
• H = door height (m).
• W = door weight (kg).