How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Underground PVC Pipe Fittings for Drain, Waste, and Vent
With thinner walls than Schedule 40 fittings, these are lighter in weight and have more space on the inside for high-flow applications, such as underground gravity-flow sewer and storm drainage lines. They are also known as SDR 35 fittings. Made of PVC, they have good strength and corrosion resistance. All meet an ASTM specification and testing requirement for material quality, dimensions, and workmanship.
Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld). Threaded connections can be taken apart as needed for maintenance and repair.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Offset tees are also known as sanitary tees and eccentric tees. They have an offset branch so the line can drain. Use them for applications that require frequent cleaning and inspecting.
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Underground PVC Pipe for Drain, Waste, and Vent
- For Use With: Water
- Max. Temperature: 140° F
- Specifications Met: ASTM D2729
This pipe has thinner walls than Schedule 40 pipe, so it’s lighter in weight and has more space on the inside for high-flow applications, such as underground gravity-flow sewer and storm drainage lines. Pipe is PVC, which has good corrosion resistance. Connect to unthreaded female socket-connect fittings using a PVC primer and cement (also known as solvent weld). Pipe meets ASTM D2729 specifications and testing requirements for material quality.
Perforated pipe has holes along the side of the pipe to disperse drainage and prevent water from pooling.
10-ft. long pipe has one expanded end that connects to another length of pipe with a standard end without needing a fitting. Push the standard pipe end into the expanded pipe end and secure with PVC primer and cement.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
For technical drawings and 3-D models, click on a part number.
4 1/2 ft. | 10 ft. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Sewer Pipe Trade Size  | OD | ID | Wall Thick. | Material | Color | Each | Each | ||
Pipe | |||||||||
| 3 | 3 1/4" | 3.11" | 0.07" | PVC Plastic | White | 0000000 | 000000 | 0000000 | 000000 |
| 4 | 4 7/32" | 4.065" | 0.075" | PVC Plastic | White | 0000000 | 00000 | 0000000 | 00000 |
| 6 | 6 9/32" | 6.075" | 0.1" | PVC Plastic | White | 0000000 | 00000 | 0000000 | 00000 |
Perforated Pipe | |||||||||
| 3 | 3 1/4" | 3.11" | 0.07" | PVC Plastic | White | 000000 | 00 | 0000000 | 00000 |
| Pipe Cement (8 fl. oz. Can) | 000000000 | Each | 00000 |