Great Lakes Science Center Site Index
SL-3 (Skylab 2) Gallery


The pressure equalization or vent valve on the exterior of the hatch.

After an astronaut opened the valve, cabin pressure could be vented in one minute. This would be useful to prepare for an EVA or to extinguish a fire. The valve could also be operated from the outside using the same tool used to open the hatch.

Pressure equalization valve on SL-3 (Skylab 2) hatch exterior at Great Lakes Science Center
Time picture taken Tue Aug 6 13:51:10 2013
Location picture taken NASA Glenn Visitor Center Gallery
Great Lakes Science Center
Cleveland, OH
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