Delta’s DPC -70 series comprises Pultruded FRP Induced Draft cooling towers. These high-strength field erected Cooling Towers have excellent corrosion properties. Made from FRP pultruded sections and FRP sheets, the series DPC-70 can be the best choice for larger capacity cooling towers. In addition to strength and performance, they are environmentally safe and aesthetically pleasing.
Pultrusion Process:Pultruded products are becoming a staple of the global manufacturing economy, and pultrusion is now one preferred form of manufacture of composite parts for thousands of applications. Cooling Tower is also a key application, where these pultruded sections are used extensively. Wooden cooling towers are now almost obsolete from the industry.
Manufacturing Process of Pultruded sections:It is a manufacturing process where continuous lengths of FRP with a constant cross-section area are produced. The equipment may vary in size but the process is the same everywhere.
The raw materials are pulled through a heated die. After the reinforced rovings are out of the guide, they are passed through a wet bath where resin impregnation takes place. A pulling mechanism is used to separate the cured profile from the die to have complete separation.