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W C Illinios | I have a hydro-swing door 50 X 18.5 opening time is 45 seconds and a smaller hydro-swing door 20 X 16 opening time is 40 seconds and a 15 X 15 hydro-swing door that has a opening time of 55 seconds. All the doors have the same size cylinders but different sized pumps. The small door is also running regular hydraulic oil while the bigger doors are using ATF oil. The hydraulic oil really slows down the opening times when it is cold. I also have remote controls for all the doors which is really nice. | |
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hydra lift doors
