Schedule 80 PVC (Polyvinyl Chloride) fittings are available for use with schedule 80 or schedule 40 PVC pipe. Schedule 80 PVC fittings are easy to install throughout an entire system or can be used with a single PVC pipe repair. PVC fittings are popular for use underground and underwater as soil type, moisture and the presence of metals will not damage the fittings.
Projects that typically make use of schedule 80 PVC fittings include chemical drainage and processing systems, irrigation systems, water lines, and waste water treatment systems. Due to a higher wall thickness than schedule 40, schedule 80 PVC fittings are typically used in projects that support high water pressures.
PVC fittings are joined to PVC pipe with solvent cement, threading, flanging, or roll-grooved joining. As stress is heavier at the joints, it is often beneficial to use a stronger PVC fitting like schedule 80 to maintain the integrity of the system lines.