/community-hubs/valves-actuators-regulators/b/valves-weblog/posts/valve-actuators-for-corrosive-and-hazardous-160-environmentsFor those non-mechanical engineers who have heard the phrase “rack and pinion” but are unfamiliar with the term, Wikipedia defines it : “Rack and pinion animation”. Licensed under Public domain via Wikimedia Commons A  rack and pinion  is a typeen-USTelligent Community 13