Posted 11/24/2014 16:41 (#4198847 - in reply to #4198692) Subject: RE: Hydraulic question for shop door
NE SD
Powerlift uses a custom cylinder rather than an orifice. The hole in the cylinder where the fitting is welded on is the orifice, that way if a hose is caught and the fitting broke or something extreme happening the door can't come crashing down.