Penstocks
Penstocks (4 sided sealing, opening upstairs)
This penstock is sealing on all / 4 sides when the plate is closed. Moreover the plate is lifting upstairs when the penstock is opening.
Penstocks (4 sided sealing, opening downstairs)
This penstock is sealing on all / 4 sides when the plate is closed.Moreover the plate is lifting downstairs when the penstock is opening.
Penstocks (3 sided sealing, opening upstairs)
This penstock is sealing on 3 sides when the plate is closed.Moreover the plate is lifting upstairs when the penstock is opening.
Penstocks (3 sided sealing, opening downstairs)
This penstock is sealing on 3 sides when the plate is closed.Moreover the plate is lifting downstairs when the penstock is opening.
Turning penstocks
These penstocks make a turning motion around an axis which is mounted on the structure. This axis can be places horizontal or vertical.














