Yes. When you do so, you need to adjust the valve opening to allow it to send enough gas back to cycle the system. One company, Midwest Ordnance, figured out how to do it and they sold the information back to China and then China brought out a bunch of sporter and the paratrooper SKS for the civilian market.
I imagine it can be done though with a little experimentation. Get say a dozen or so valves and drill the hole to different sizes until you figure out exactly what is needed.