With Viking CPVC piping systems, you can connect with confidence. Viking CPVC fire sprinkler products are manufactured from high quality, post-chlorinated polyvinyl chloride, a specialty thermoplastic material tested and listed by certifying agencies for use in CPVC fire sprinkler systems. Viking CPVC fire sprinkler products provide unique advantages over traditional metal fire sprinkler systems through superior hydraulics, ease of installation, handling, and quicker assembly using readily available and less expensive tools. These products are also based on technology with a continuous and proven service history of more than forty years.