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Custom CPVC Series Piping System

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Taizhou Edwin Electric Co., Ltd.
Taizhou Edwin Electric Co., Ltd.
EDWIN PUMP is a Custom CPVC Series Piping System Manufacturer and China CPVC Series Piping System Factory, which supply a wide range of water pumps and water treatment peripheral products to customers around the world.

With over 17 years of experience, Edwin provides innovative water pumping solutions to customers across 30+ countries. With a global outlook and local commitment, we provide customized solutions for agriculture, industry, and municipal sectors.
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CPVC Series Piping System——Industry Knowledge Extension

What Are the Main Uses of CPVC Series Pipe, Fittings?

CPVC series pipes and fittings are designed to handle higher temperatures and a broader range of applications than standard PVC. One of their common uses is in hot and cold potable water distribution systems. CPVC can safely convey hot water at temperatures that exceed the limits of PVC, making it suitable for residential, commercial, and institutional plumbing networks.

Another important application is fire sprinkler systems. CPVC is frequently used in light hazard and ordinary hazard fire protection installations. Its smooth internal surface supports stable flow, and its material properties meet relevant fire safety and pressure standards when installed according to approved guidelines.

CPVC piping is also used in industrial process piping. Many industrial fluids, including acids, bases, and salts, are compatible with CPVC. This makes it suitable for chemical processing, water treatment, and manufacturing facilities where corrosion resistance is required but metal piping may be unnecessary or cost-prohibitive.

In HVAC and chilled water systems, CPVC is applied for condenser water lines and auxiliary piping where moderate temperatures and pressures are present. Its resistance to scaling and biological growth contributes to system efficiency over time.

Another notable use is in wastewater and drainage systems that involve elevated temperatures. Compared with PVC, CPVC maintains its structural integrity when exposed to warmer effluents, such as those discharged from commercial kitchens or industrial washing processes.

CPVC series fittings are widely used in retrofit and renovation projects. Their lightweight nature, ease of installation, and solvent cement joining method reduce labor requirements and installation time, especially in confined spaces.

What Are the Differences Between CPVC Pipe, Fittings & Valves and PVC Pipe, Fittings & Valves?

Although CPVC and PVC systems appear similar, they differ in material performance, application scope, and installation considerations. The following sections outline these differences under three key aspects.

1. Temperature and Pressure Performance

  • CPVC pipes and fittings are rated for higher continuous operating temperatures, typically up to approximately 90°C, while PVC systems are generally limited to lower temperature ranges.
  • At elevated temperatures, CPVC retains greater pressure-handling capability compared to PVC, which experiences a more rapid reduction in pressure rating.
  • PVC is more suitable for cold water, drainage, and low-temperature applications, whereas CPVC supports hot water and mixed-temperature systems.

2. Chemical Resistance and Application Range

  • CPVC offers improved resistance to a wider range of chemicals, including certain acids and industrial fluids at higher temperatures.
  • PVC performs well in many chemical environments but may become less stable when exposed to higher temperatures combined with aggressive media.

CPVC valves are often selected for industrial or fire protection systems where both chemical exposure and thermal stability are required, while PVC valves are commonly used in irrigation and non-heated fluid transfer.

3. Installation, Cost, and Standards

  1. CPVC and PVC both use solvent cement joining methods, but CPVC requires specific cements and primers designed for its material composition.
  2. CPVC systems typically have a higher material cost than PVC due to the additional chlorination process and enhanced performance characteristics.
  3. PVC piping is widely accepted in drainage, venting, and cold water systems, while CPVC piping is more frequently specified in building codes for hot water distribution and fire sprinkler applications.