Marshalls CPM manufactures a combined Hydro-Brake®/Penstock chamber which has been designed specifically for the Yorkshire Water area, that has been designed to enable the contractor to install the flow control chamber in a fraction of time it takes using conventional methods
Both products are pre-mounted onto the Headwall side by side in either a 1200mm, 1500mm, 1800mm and 2100mm one-piece precast chambers or 2000mm, 2100mm, 2400mm, 2700mm or 3000mm sectional chamber system.
The Marshalls CPM one-piece chamber is fabricated using a base unit complying BS EN 1917:2002.