Reinforced thermoplastic pipe, or RTP pipe, is a generic term referring to pipes reinforced by high strength composite fibers, such as glass, aramid, or carbon. It is developed to replace medium pressure steel pipes in response to the growing demand for non-corrosive conduits for application in the onshore oil and gas industry.
The material used in the construction of RTP pipes is usually PE, PA-11, or PVDF, and the reinforcement is mainly Aramid or Polyester fiber.
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RTP Pipe Structure
The reinforced thermoplastic pipe consists of 3 basic layers: an internal thermoplastic liner, a continuous fiber reinforcement helically wrapped around the pipe, and an external thermoplastic jacket. The liner acts as a bladder, the fiber reinforcement provides strength, and the jacket protects the load-bearing fibers.
Reinforced Thermoplastic Pipe Features
High-pressure resistance: The maximum pressure resistance of the system is 50 MPa, 40 times of plastic pipes.
High-temperature resistance: The maximum operating temperature of the system is 130℃, 60℃ higher than plastic pipes.
Long lifetime: 6 times of metal pipes, 2 times of plastic pipes.
Corrosion resistance: Non-corrosive and environmental.
Wall thickness: The wall thickness is 1/4 of plastic pipes, improving 30% flow rate.
Lightweight: 40% unit length of plastic pipes.
Non-scale: The inner wall is smooth and non-scale, and the flow speed rate is 2 times of metal pipes.
Noiseless: Low friction, low material density, no noise in flowing water.
Strong joints: Double-layer glass fiber superposition in joints, hot-melt socket, never leak.
Low cost: Close to the cost of metal pipes and 40% lower than plastic pipes.
Reinforced Thermoplastic Pipe Application