Engineered for high-pressure industrial environments, Ruisong’s Schedule 80 (SCH80) UPVC pipes provide superior strength and durability. Manufactured to ASTM D1785 standards, these heavy-wall, dark gray rigid PVC pipes handle significantly higher PSI ratings than standard SCH40. Ideal for chemical processing, industrial wastewater, and high-pressure water mains, our SCH80 UPVC is corrosion-resistant, supports threading, and ensures long-term reliability in the most demanding plumbing and fluid transport systems.
Description
Ruisong SCH80 Industrial UPVC: Heavy-Duty Performance for High-Pressure Systems
When your project demands a piping solution that goes beyond the ordinary, Ruisong’s Schedule 80 (SCH80) UPVC pipes are the industry’s trusted choice. Designed with a thicker wall profile to withstand higher internal hydrostatic pressures and mechanical stress, our SCH80 PVC pipes are the benchmark for industrial reliability, offering a 50-year design life in corrosive environments.
Key Technical Specifications
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Material: Premium Unplasticized PVC (Rigid UPVC)
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Manufacturing Standard: ASTM D1785 / ASTM D1784
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Dimensions: IPS (Iron Pipe Size) – Heavy-Wall Schedule 80
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Size Range: 1/4″ up to 24″ (Nominal Pipe Size)
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Color: Industrial Dark Gray (Signifies industrial grade)
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Max Temperature: 140°F (60°C)
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Connection Compatibility: Solvent Welding, Flanged, or Threaded
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Safety Factor: High-impact resistance and long-term burst pressure safety.
Critical Advantages of Ruisong SCH80 UPVC
1. Exceptional Pressure Bearing Capacity:
With a wall thickness significantly greater than Schedule 40, our SCH80 pipes are engineered for high-pressure chemical dosing, industrial mainlines, and demanding water treatment processes.
2. Threading & Machining Capability:
The robust wall structure allows Ruisong SCH80 UPVC to be safely threaded (NPT). This is a critical advantage for systems requiring mechanical connections to metal valves or instrumentation where solvent welding is impractical.
3. Superior Corrosion & Chemical Resistance:
Fully resistant to an extensive range of acids, bases, salts, and oxidizers. Unlike metal pipes, it will never rust, scale, or experience galvanic corrosion, ensuring fluid purity and low maintenance.
Common Industrial Applications
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Chemical Processing Plants: Transporting concentrated acids and alkaline solutions.
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Industrial Wastewater Treatment: Handling corrosive effluents and high-pressure sludge lines.
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Mining & Power Generation: Durable slurry transport and cooling water systems.
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Deionized (DI) Water Systems: Ensuring zero metal contamination in high-purity water lines.
Comparison Guide: SCH80 vs. SCH40 UPVC
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Do you need to thread the pipe? Choose SCH80. The wall of SCH40 is too thin for safe threading.
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Is the system under high pressure? Choose SCH80. It has a much higher PSI rating across all sizes.
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Looking for general drainage or low-pressure water? Our [Schedule 40 UPVC] may be more cost-effective.
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Handling High Temps (up to 200°F)? Switch to our [SCH80 CPVC Pipes].
Frequently Asked Questions
Q1: Can I thread Schedule 80 UPVC pipe?
A: Yes. Unlike Schedule 40, the wall thickness of Schedule 80 UPVC is sufficient to accommodate standard NPT threads. However, please remember that threading a plastic pipe reduces its pressure rating by 50% compared to unthreaded pipe.
Q2: Why is SCH80 UPVC usually dark gray?
A: In the industrial piping world, dark gray is the color code used to distinguish Schedule 80 PVC from the white Schedule 40 PVC. This helps engineers and installers quickly identify that a high-pressure rated pipe is being used on-site.
Q3: What is the maximum pressure for SCH80 UPVC pipe?
A: The pressure rating depends on the pipe size. For example, a 1/2″ SCH80 pipe can handle up to 850 PSI, while a 4″ pipe is rated for approximately 320 PSI (at 73°F). Always refer to our specific pressure rating chart for your size.
Q4: Is SCH80 UPVC suitable for compressed air?
A: No. Like all rigid PVC materials, Ruisongbuild does not recommend using UPVC for compressed air or gases, as the material can become brittle and shatter under gas pressure. Use our PE pipes for specific gas transport needs.
Q5: Can I use SCH80 UPVC for hot water?
A: UPVC is rated for a maximum continuous temperature of 140°F (60°C). If your industrial application involves fluids hotter than this, you should upgrade to our [Industrial CPVC Piping] which handles up to 200°F.
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