It automatically locks the spring at its maximum extension and releases it with a single movement.This safety device prevents hatches from closing unintentionally in case of rolling or pitching.AISI316 stainless steel body.NB: 1)The addition of this lock increases the spring declared length by 25 mm.2) In case of mounting in pairs, order extension 38.040.90.
Specifications
| Property | Value |
|---|
| Combinable springs | 38.009.04 38.009.05 38.009.06 38.009.07 38.020.03 |
| Spring features - Length mm | 355 |
| New length with block mm | 380 |
