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Fiberglass Filament Wound Pipe
| Offer Type: |  |
|---|---|
| Offer Category: | Chemicals >Plastic & Polymer > Plastic Products |
| Offer Post Time: | 2008-12-04 |
| Expiration Date: | 2009-11-01 |
| Details: | Fiberglass pipe design is greatly influenced by the process design. The process will generally determine the required corrosion liner resin selection and thickness, the design and operating temperatures, pressures, and vacuum.
Following a determination of the above criteria, the mechanical design of the pipe laminate structure begins. The laminate design will balance the economic benefit of various resin and reinforcement characteristics to meet the specified process design. Finally, the overall system is evaluated for proper support, expansion, and compliance with appropriate codes. Example of sand inclusion pipe The corrosion liner The transitional layer The filament wound layer The out layer Process Design steps, Corrosion Requirements Specific recommendations should be made by the resin manufacture whenever possible. Resin Selection Furan, phenolic and epoxy resins generally offer additional corrosion resistance to strong oxidizing solutions while offering better mechanical strength and temperature resistance than the polyesters. Corrosion Liner Construction The inside portion of the pipe laminate including resin reinforced with a corrosion veil or veils, and chopped strand fiberglass mat. Temperature Requirements Furan, phenolic and epoxy resin offer slightly high temperatures depending upon the system. While Vinyl ester are suitable up to a temperature of 75-100 C Pressure &Vacuum Fiberglass pipe is usually designed with a factor of safety=10 for internal pressure and a factor of safety=5 for vacuum. Abrasion Resistance When required, additives such as ceramic fillers can be incorporated into the fiberglass pipe corrosion liner to enhance abrasion resistance. In addition to fillers, additional layers or styles of veils may be considered. Mechanical Design: Structural Design: There is no universal set of criteria for designing fiberglass pipe. Acceptance criteria are based upon the most current revision of ASTM D2996. |
