Schedule 80 PVC (Polyvinyl Chloride) fittings are used in a wide range of applications, including residential, commercial & industrial. They are extremely easy to install and used in full system installations or piping repairs. Schedule 80 PVC fittings max temperature rating is 140 degrees F. Schedule 80 fittings are manufactured in sizes ranging from ¼ Inch up to 24 Inches and have a variable PSI pressure rating depending on size. Common uses include applications like chemical processing, manufacturing, underground runs and wastewater management.