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Schedule 80 CPVC Fittings have thick walls designed for high-pressure and high-temperature service. They come in light gray and use the same nominal pipe sizing as standard Schedule 80 PVC. Common applications include chemical processing, hot water heating, water distribution, plating, and fire suppression systems. Available fitting types include tees, elbows, 45-degree elbows, couplings, adapters, bushings, unions, wyes, caps, plugs, flanges, and nipples. ASTM D1784 compliant and NSF-14 certified for potable water.
CTS CPVC Fittings use copper tube sizing rather than nominal pipe sizing, which makes them a direct replacement for copper in hot and cold water distribution systems. CTS fittings are commonly tan or light yellow and are rated for temperatures up to 180°F at 100 PSI. They are the standard choice for residential and commercial water supply because they are lighter, less expensive, and easier to install than copper. Solvent-welded connections eliminate the need for soldering or brazing.
CPVC Duct Fittings are a separate product line built for non-pressurized industrial exhaust and fume handling. These fittings use their own sizing system and should not be interchanged with Schedule 80 or CTS fittings. CPVC duct is used where corrosive or heated fumes need to be collected and vented, such as in chemical plants, plating facilities, and laboratories. Rated to 200°F with improved fire resistance compared to PVC duct.
CPVC vs. PVC: Key Differences
CPVC and PVC look similar and both use solvent-weld connections, but they are not the same material and should not be used interchangeably. The main differences come down to temperature, chemical resistance, and code compliance.
PVC fittings are rated to 140°F and are well suited for cold water supply, irrigation, drainage, and general-purpose plumbing. CPVC fittings handle temperatures up to 200°F, or 180°F for CTS, and resist a broader range of chemicals, including many acids, bases, and salt solutions that would degrade PVC over time.
For potable water, most building codes require CPVC rather than PVC for hot water lines. The chlorination process also makes CPVC compliant with NSF standards for drinking water in applications where standard PVC may not be approved.
Always use CPVC primer and cement when joining CPVC fittings. PVC cement is not rated for CPVC and will not create a reliable bond.
Common Applications
- Hot and cold water distribution in residential, commercial, and institutional buildings using CTS CPVC
- Chemical processing, including acid feed lines, reagent distribution, and process piping using Schedule 80 CPVC
- Industrial plating and surface finishing where pipes carry heated, corrosive solutions using Schedule 80 CPVC
- Fire suppression systems in commercial and light industrial buildings using Schedule 80 CPVC
- Water treatment for potable water systems and wastewater handling using Schedule 80 CPVC
- Industrial fume and exhaust ventilation in chemical plants, laboratories, and manufacturing facilities using CPVC duct
Specifications
- Material: CPVC, or Chlorinated Polyvinyl Chloride
- Schedule 80 Maximum Temperature: 200°F
- CTS Maximum Temperature: 180°F at 100 PSI
- Duct Maximum Temperature: 200°F
- Standards: ASTM D1784
- Certifications: NSF-14 for Schedule 80; NSF/ANSI 61 for CTS, varying by manufacturer
- Color: Light gray for Schedule 80, tan or yellow for CTS, and gray for duct
- Connection: Solvent weld for all product lines; threaded options available for Schedule 80
Need help selecting the right CPVC fittings for your project? Contact our team or request a quote for bulk and project pricing.