China CPVC Pipe & Fittings Supplier

All You Need To Know About CPVC Pipe Fittings

CPVC is produced by ammoniation modification of polyvinyl chloride (PVC) resin and is a new type of engineering plastic. The product is white or light yellow, tasteless, odorless, non-toxic loose granules or powder. After PVC resin is chlorinated, the irregularity of the molecular bonds increases, the polarity increases, the solubility increases, and the chemical stability increases, thereby improving the material’s heat resistance, acid, alkali, salt, oxidant, and corrosion resistance. The heat distortion temperature is increased, the Vicat softening temperature is increased from 74-80°C to 93-110°C, the maximum use temperature can reach 110°C, and the long-term use temperature is 95°C.

CPVC pipes are products formed by extrusion (pipe) or injection molding (pipe fittings) using oxidized polyvinyl chloride resin as the main raw material, adding additives necessary to improve its processing performance. For transporting hot water and corrosive media, it can maintain sufficient strength when the temperature does not exceed 100 °C and can be used for a long time under high internal pressure.

This article discusses hot topics about CPVC pipe fittings, including different CPVC pipe fitting classifications and their standards, application, purchase, and installation considerations, and hot-selling CPVC pipe fitting categories in different markets.

CPVC Pipe Fittings Classification

According to the standards and usage scenarios of different countries and regions, CPVC Pipe Fittings are divided into the following categories:

CPVC DIN Standards Pipe Fittings PN16

CPVC Valve Pipeline System Accessories
  • Size: 20-400
  • Color: Grey
  • MOQ: 10CTNS
  • Pressure: PN16
  • Connection: Socket 
  • Standard: DIN 8063

CPVC ASTM 2846 Pipe Fittings

CPVC ASTM D2846 Fittings
  • Size: 1/2-4″
  • Color: Beige
  • MOQ: 10CTNS
  • Connection: Socket
  • Standard: ASTM-2846

CPVC Sch80 Pipe Fittings

CPVC Sch80 Pipe Fittings
  • Size: 1/2″-16″
  • Color: Grey
  • MOQ: 10CTNS
  • Connection: Socket 
  • Standard: ASTM D 1785 Sch80

PVC Transparent Pipe Fittings Sequence

Cpvc Pipes
  • Size: De20-De400/ 1/2″-16″
  • Color: Grey/Beige
  • MOQ: 10CTNS
  • Pressure: PN16
  • Connection: Socket 
  • Standard: DIN 8063/ASTM2846 /ASTM-1785 Sch80

CPVC Pipes Fittings Applications

CPVC (polyvinyl chloride) pipes and fittings are used in a variety of industries and residential settings because of their versatility, corrosion resistance, high temperature resistance and cost-effectiveness. Here are some common applications for PVC pipe and fittings:

Water Supply Syste

CPVC pipeline system for water supply

Hot and Cold Water

CPVC pipeline system for Hot and Cold Water Plumbing

Chemical Processing

CPVC pipeline system for Chemical Processing

Industrial Piping

CPVC pipeline system for industrial projects

Swimming Pool

CPVC Pipe Fitttings For swmming Pool

Wastewater Teatment

CPVC pipeline system for sewage treatment


CPVC pipeline system for HVAC

Why Choose CPVC Pipe Fittings ?

CPVC (chlorinated polyvinyl chloride) pipe fittings have many advantages, which contribute to their widespread application in various industries and applications. These advantages together make CPVC fittings the preferred choice widely used in various industries. However, it is crucial to consider specific needs and situations when evaluating whether CPVC accessories are suitable for specific applications.

Here are the key advantages of CPVC pipe fittings:

Corrosion Resistance: CPVC is highly resistant to corrosion, even in aggressive environments. This makes CPVC pipe fittings ideal for transporting a wide range of chemicals, acids, and bases without the risk of degradation.
Chemical Compatibility: CPVC pipe fittings are compatible with many chemicals commonly found in industrial processes, chemical handling, and water treatment. They are suitable for conveying various fluids safely.
Temperature Tolerance: CPVC pipe fittings can withstand a wide range of temperatures, making them suitable for both hot and cold water applications. They maintain their structural integrity at elevated temperatures, making them ideal for hot water plumbing.
Non-Toxic and Safe: CPVC is a non-toxic material, making it safe for potable water applications. It does not leach harmful substances into the water, ensuring the safety of drinking water systems.
Smooth Interior Surface: CPVC pipes and fittings have a smooth interior surface that minimizes friction and reduces the risk of scaling and deposits. This promotes efficient fluid flow and minimizes maintenance needs.

Lightweight and Easy to Install: CPVC pipe fittings are lightweight and easy to handle, making them convenient for installation. They can be quickly and securely joined using solvent cement, reducing installation time.
Longevity: CPVC pipe fittings have a long service life and do not corrode or degrade over time. They offer durable performance, reducing the need for frequent replacements.
Fire Resistance: CPVC is inherently fire-resistant and has a high ignition temperature. It does not support combustion, making it suitable for use in fire sprinkler systems and applications where fire safety is critical.
Low Thermal Conductivity: CPVC has low thermal conductivity, which means it does not readily transfer heat. This property is advantageous for applications where heat conservation is important.
Low Maintenance: CPVC piping systems require minimal maintenance due to their resistance to corrosion, scaling, and chemical degradation. This helps reduce maintenance costs over the life of the system.
Versatility: CPVC pipe fittings are versatile and suitable for a wide range of applications, including residential plumbing, industrial processes, agriculture, and more.
Cost-Effective: CPVC pipe fittings are cost-effective compared to some other materials like metal alloys. They offer a balance between performance and affordability.
Code Compliance: CPVC pipe fittings are recognized and accepted by building codes and regulations in many regions, ensuring compliance with local standards.
Proven Track Record: CPVC pipe fittings have a history of successful use in various industries, attesting to their reliability and performance.

PVC Pipes vs CPVC Pipes

When selecting PVC and CPVC pipe, factors such as intended application, temperature requirements, chemical exposure and budget constraints must be considered. Both materials have their own advantages, and compliance with local building codes and regulations is critical to choosing the right piping material for your specific project.

PVC pipes are made of ordinary polyvinyl chloride and have certain corrosion resistance. They are suitable for transporting cold water and are not suitable for high temperature applications above 50°C. They are cost-effective and suitable for drainage, irrigation and cold water supply.
On the other hand, CPVC pipes made from chlorinated polyvinyl chloride are designed to handle both hot and cold water. Compared with PVC, it has better high-temperature resistance and can work at 70°C for a long time. It is an ideal choice for hot water supply systems, industrial processes, and automatic sprinkler systems. CPVC has better corrosion resistance and higher voltage resistance than PVC.

CPVC Pipe Fittings Market Information

CPVC DIN Standards Pipe Fittings PN16: This standard is part of the German DIN 8063 specification and is generally used for pressure pipes and fittings of nominal pressure class PN16. It is commonly used in water supply systems. This series of products is popular in Germany and countries that follow metric standards such as the Philippines, France, Germany, Russia, South Africa, and some countries in South America.
CPVC ASTM D2846 Fittings: This series of pipe fittings is mainly used for domestic drinking water or hot and cold water supply. Main markets: the United States, Canada, India and other countries.
CPVC Sch80 Pipe Fittings:  are designed to withstand higher pressure applications. They are suitable for systems with higher pressure requirements.Applications: These accessories are commonly used in a wide range of applications including industrial processes, chemical handling, water treatment, and HVAC systems. The main market information is the United States, Mexico, Canada, Chile and other countries.

How To Cut and Glue CPVC Pipe?

Required tools and materials:

CPVC pipes

CPVC pipe-cutting machine or hacksaw

Deburring tool or sandpaper

CPVC primer

CPVC cement (solvent cement)

Clean cloth or rag

Safety goggles and gloves

Please refer to our article for specific steps

The FAQs About CPVC Pipe & Fittings

Usually we print the product size, wall thickness, customer brand, standard and production date all at once during production.

The outer packaging of pipes is usually printed on a woven bag, and the packaging contains information such as product size, customer brand, quantity, etc.

Usually, taking a 40HQ as an example, it only takes us 30 days to arrange shipment.

When the number of customers reaches 1x40HQ, we can arrange customized trademarks. There are two ways to customize your trademark: mold injection molding or laser engraving.

When the number of customers reaches 1x40HQ, we can arrange customized outer packaging.


The Common Pitfalls When Purchasing

When purchasing CPVC (Chlorinated Polyvinyl Chloride) pipes and fittings, it’s important to consider several factors to ensure you get the right products for your specific needs. Here are some things to note:

Application Requirements: Determine the intended use of the CPVC pipes and fittings, whether it’s for water supply, drainage, chemical transport, or other applications. Different applications may require specific types of CPVC pipes with varying specifications.
Size and Dimensions: Select the appropriate size and dimensions of CPVC pipes and fittings that match your project requirements. Consider factors like pipe diameter, wall thickness, and length.
Pressure Rating: Be aware of the pressure rating needed for your application. CPVC pipes come in different pressure classes (e.g., PN, SCH, or PSI ratings), so choose the one that suits your system’s pressure requirements.
Material Quality: Ensure that the CPVC pipes and fittings meet quality standards and certifications applicable in your region. Look for products that conform to relevant industry standards to guarantee their performance and safety.
Chemical Compatibility: If you’re transporting chemicals or other substances, verify that the CPVC material is compatible with the specific chemicals to avoid corrosion or degradation.
Temperature Range: Consider the temperature conditions the CPVC pipes will be exposed to. Ensure that the chosen pipes can withstand the temperature range of your application without becoming brittle or deforming.
Installation Method: Determine the installation method (e.g., solvent cement, threading, or mechanical connections) and ensure that the fittings and pipes are compatible with the chosen method.
Quantity and Budget: Calculate the quantity of CPVC pipes and fittings needed for your project and establish a budget. Buying in bulk or larger quantities may lead to cost savings.
Manufacturer and Supplier: Choose reputable manufacturers and suppliers with a track record of providing high-quality CPVC products. Read reviews, request recommendations, and research the company’s reputation.
Local Regulations: Familiarize yourself with local building codes, regulations, and standards that may dictate the type and quality of CPVC pipes and fittings you can use.
Warranty: Inquire about product warranties offered by the manufacturer or supplier. A good warranty can provide peace of mind regarding the durability of the products.
Compatibility: Ensure that the CPVC fittings and pipes are compatible with other components of your plumbing or piping system, such as valves, connectors, and accessories.
Customer Support: Assess the availability of customer support and technical assistance from the supplier in case you encounter any issues during installation or use.
By carefully considering these factors, you can make informed decisions when purchasing CPVC pipes and fittings, ensuring that they meet your project’s requirements and specifications.

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