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| Material |
Plastic |
| Aperture |
Square / rectangular |
| Features |
Vertical slide |
| Suitability |
Conduits |
| Dimensions (mm) |
250 |
250mm ASA manhole and hydrobrake penstock, suitable for pipework up to 250mm and designed for use in manhole and hydrobrake chambers.
Althon penstocks are operated using a T-key and have a non-rising spindle. Where required, Althon can provide a spindle extension from the top of the penstock to the cover level.
Contractors will create a flat surface within the manhole chamber to fix the penstock to. The smoother the surface finish of the concrete the better the seal will be between the penstock and the wall. Althon provides all required fixing bolts, chemical anchors and an EPDM seal with every penstock.
