Althon 400mm inline penstocks are used in Althon Inline Penstocks can be used in surface, sewer and water process applications. Inline penstocks are a simple and highly effective way to prevent water backflow into a system.

Our inline penstocks can be flanged mounted or coupled onto existing pipework.

Our 400mm inline penstocks can be operated manually with a T – key or handwheel or with an actuator.

Althon 400mm Inline Penstocks have the following benefits:

  • Virtually No Maintenance
  • Used Above and Below Ground
  • Fast, Safe and Easy installation
  • UV and Impact Resistant
  • Various Operation Accessories available
  • 50 Year Design Life

If you require any assistance or more information please contact us by phone on 01603 488700 or by email

400mm Inline Penstock line drawing
Product Name
Fixing Type
Working Pressure
400mm Inline Penstock
Flanged, Coupled
7.5MwC On/Off

    All Available Downloads for 400mm Inline Penstock

    Inline Penstock PLA 400 F

    Inline Penstock PLA 400 P

    Datasheet and Installation Instructions for 400mm Inline Penstock