Althon Inline Penstocks can be used in Surface, Sewer and Water Process applications. They are a Simple and Highly Effective way to Prevent Water Backflow into a system. The Althon Inline Penstock is for Isolation Inline with a Pipe system. The Althon Inline Penstock is guaranteed to a Maximum Pressure of 10MwC as the Penstock has been tested up to 20MwC. Our Inline Penstocks can be operated Manually of with an Actuator. Manufactured in HDPE and Stainless Steel 316 the Althon Inline Penstock has a High Chemical Resistance. Althon Inline Penstocks require Virtually No Maintenance and can be Used Above or Below Ground. These Penstocks are Fast, Safe and Easy to install, they are also UV and Impact Resistant.