Figure 113 Identifying Different Safe-Drive Generations - Vaisala PR-23 Series User Manual

Markings on retractor handle
Generation 2 (2014-2017):
Retractor with safety bracket.
Isolation valve with safety bracket.
Figure 113 Identifying different Safe‑Drive generations
Generation 1 (2006-2014):
Retractor without safety bracket.
Isolation valve without safety bracket.
Generation 2.1 (2017-):
Retractor with safety bracket and
integrated safety clip and pin.
Isolation valve with safety bracket.
Chapter 11 – Safe-Drive
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