The bi-directional LK Overspeed Governor from PFB is available in 5 different sizes with pulleys of 120mm, 200mm, 250mm, 300mm & 315mm.
Each version of the LK range, i.e. LK-300, can be enhanced with the following options:
Test Groove (supplied as standard when purchased through Atwell)
Rope Safety Guard
Inverted for ceiling mounting
With LSP device for unintended movement protection.
LK governors can be used with 4 – 10mm rope across the range, and have tripping speeds from 0.28m/s – 3.37m/s.