CPVC (Chlorinated Polyvinyl Chloride) pressure fittings are widely used in plumbing systems due to their durability, heat resistance, and cost-effectiveness. These fittings are designed to handle high-pressure water flow, making them ideal for residential, commercial, and industrial plumbing applications.

UPVC/CPVC 45°Elbow
Key Benefits of CPVC Pressure Fittings
High Temperature Resistance
CPVC can withstand temperatures up to 200°F (93°C), making it suitable for hot water supply lines.
In comparison, standard PVC fittings soften at temperatures above 140°F (60°C).
Corrosion and Chemical Resistance
Unlike metal fittings, CPVC does not rust or corrode, even when exposed to harsh chemicals or chlorinated water.
This makes it ideal for industrial plumbing where chemical resistance is crucial.
Lightweight and Easy Installation
CPVC fittings are lighter than metal alternatives (e.g., copper or galvanized steel), reducing labor costs.
They can be easily joined using solvent cement, eliminating the need for welding or threading.
Cost-Effective Solution
CPVC is generally more affordable than metal piping systems (e.g., copper can cost 2-3 times more).
Lower maintenance costs due to corrosion resistance.
Common Applications of CPVC Pressure Fittings
Residential Plumbing: Used in hot and cold water distribution systems.
Commercial Buildings: Ideal for hotels, hospitals, and schools where long-lasting piping is required.
Industrial Systems: Suitable for chemical processing plants, water treatment facilities, and fire sprinkler systems.
CPVC vs. Other Materials – A Quick Comparison
Feature |
CPVC Fittings |
UPVC Fittings |
Metal (Copper) Fittings |
Max Temperature |
200°F (93°C) |
140°F (60°C) |
400°F (204°C) |
Corrosion Resistance |
Excellent |
Good |
Poor (prone to rust) |
Cost |
Affordable |
Cheapest |
Expensive |
Installation Ease |
Easy (solvent welding) |
Easy |
Difficult (soldering/threading) |
Pressure Handling |
High (up to 400 psi) |
Moderate |
Very High |
Choosing the Right CPVC Pressure Fittings
When selecting CPVC fittings for your plumbing project, consider:
Pressure Rating: Ensure fittings meet the required PSI (pounds per square inch) for your system.
Size Compatibility: Check pipe dimensions (Schedule 40 or 80) for a secure fit.
Certifications: Look for NSF/ANSI or ASTM standards for safety compliance.