Download Technical Sheet (PDF)The ZSG series Overspeed Governor is a commercial governor for Type A and Type B Safeties. This Overspeed Governor can be used on speed up to 350 FPM. Overspeed Governor ZSG meets ASME A17.1 Code. Each governor is preset, tested and sales in USA. Each one comes standard with a UL Overspeed switch and a rope Guard. Pull-through is adjustable from 330 to 550 pounds-force. All governors are preadjusted and sealed in the USA. An installation manual is provided. Download Technical Sheet (PDF)