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Vitrified Clay Pipe (“VCP”) is pipe made from a blend of clay and shale that has been subject to high tempetatures to achieve vitrification. Due to advancements in manufacturing of other materials, VCP hasn’t been readily used since the 1970s-1980s.
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Vylon Pipe (“VP”) is an open-cell closed profile PVC pipe with diameters ranging from 21″-54″ that’s been manufactured since 1987. Although not as common as solid-wall PVC, vylon pipe still holds a strong market share throughout the United States.
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Truss Pipe (“TP”) is similar to “vylon pipe” in that it is an “open-cell closed profile” pipe however it’s “chambers” are often times filled with lightweight concrete or grout for added strength.
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Polyvinyl Chloride (“PVC”) is likely the most commonly found “pipe” today. It’s use ranges from residential and commercial to municiple and industrial.
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Ductile Iron Pipe (“DIP”) comes is various classes based on pressure rating and, like PVC, services a wide range of industries and uses. Dependent upon use, DIP can come with various coatings and/or liners to aid in corrosion protection.
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Fiber Reinforced Plastics (“FRP”) is a strong, lightweight, and durable composite material made from a resin (typically epoxy or polyester) reinforced with glass fibers. These pipes are highly valued for their excellent corrosion resistance, long service life, and suitability for handling aggressive chemicals, making them a popular choice in various industries including chemical, water treatment, pharmaceuticals, and oil and gas
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Centrifugally Cast Fiberglass Reinforced Polymer Mortar (“CCFRPM”) pipe is similar to, and often times mistaken as, FRP Pipe due to look and/or apperance; however, the difference is in the manufacturing process as CCFRPM pipe is a specific type of FRP (Fiber-Reinforced Plastic) pipe manufactured using a
centrifugal casting process and a polymer mortar layer, which provides unique benefits like superior stiffness and a smooth, homogeneous wall structure. All CCFRPM pipes are FRP, but not all FRP pipes are CCFRPM, as FRP is a broader category that includes other manufacturing methods like filament winding , which may have different properties and applications.
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Bar Wrapped Pipe (“BWP”, also known as “AWWA C303” or “B-303”) is comprised of a welded steel cylinder that serves as a watertight membrane and works together with steel reinforcing bars wrapped under tension around the cylinder to provide strength. An internal concrete lining and external mortar coating provide corrosion protection to the steel components. BWP is produced in standard lengths of 24 feet to 40 feet and is typically used where pressures are 300 PSI or less.
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Poly-coated Steel Pipe (“PCSP”) are used to transport various fluids, protect against corrosion, and improve the durability of steel in diverse applications, including water and gas supply, oil and gas transmission, agricultural irrigation, and industrial anti-corrosion pipelines. Poly-coated steel has various options for interior and exterior coating/lining dependent upon need. For instance, cement mortar lining is most commonly found in raw and potable water systems while polyurethane and liquid epoxy lining is more commonly found in wastewater or industrial applications. Exterior coatings include cement mortar coating, polyurethane coating, epoxy coating, and tape coating dependent upon scope and project needs.
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High Density Polyethlyene (“HDPE”) pipe is likely the most versitle pipe as it’s used in almost every industry; including, but not limited to: water and wastewater, storm and reclaimed water, oil and gas, industrial, chemical, and other uses such as conduit or cable protection or conveying high pressure fluids during drilling and dredging. HDPE comes in Iron Pipe Size (“IPS”, most commonly found in oil and gas) and Ductile Iron Pipe Size (“DIPS”, most commonly found in municipal). HDPE is the only pipe manufactured that’s considered both “ridiged” and “flexible” at the same time. Justification, HDPE is welded via butt-fusion thereby making it homonogonus from beginning to end or from appurtenance to appurtenance; however, HDPE can expand and contract thereby making it both ridiged yet flexible at the same time.
