- Type: Dome Head
- Nominal Size: 4 Inch
- Schedule: 40
- Thickness: 0.237 Inch
- End Connection: Socket
- Material: PVC
- Material Specification: ASTM D1784/D2466
- Process: Injection Molded
- Finish: White
- Temperature Rating: 140 Deg F
- Application: Potable Water System
- Applicable Standard: NSF, ISO 9001
SPEARS® Schedule 40 PVC fitting designs combine years of proven experience with computer generated stress analysis to yield the optimum physical structure and performance for each fitting. Material reinforcement is uniformly placed in stress concentration areas for substantially improved pressure handling capability.