Passavant®
 Penstocks
 (sealed on 4 sides)
          
        Safety and reliability down to the smallest possible detail: Passavant® penstocks are 4-sided sealed shut-off devices suitable for both flow directions and are available from 200x200 mm up to 7000x7000 mm and 5 bar (50 m wc).
Unique Features
- Maximum safety through static and stress calculation by means of Finite Element-Method
 - Optimized steel-welded construction, largely maintenance-free
 - Avoidance of crevice corrosion through constructive prevention and through-welded seams
 - High loading capacity even with hard and bulky contents in the waste water
 - Our spindles are rolled, not cut