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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Clear-View Standard-Wall Plastic Pipe Fittings for Water
Watch water flow through your line. These fittings are compatible with Schedule 40 pipe, the industry standard for residential and commercial low-pressure plumbing and water supply. Made of PVC, they have good corrosion resistance. All meet ASTM D1784 specifications and testing requirements for material quality and NSF/ANSI Standard 61 for drinking water.
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. To prevent leaks, apply a non-hardening, plastic-compatible sealant to male threads. Tape or sealants with PTFE are not recommended for plastic-to-plastic connections.
Note: For fittings that are not rated for pressure, you can use the pressure rating of the plastic pipe as a reference. Threaded fittings are limited to 50% of the rated pressure of the pipe.
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.
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 40 PVC Plastic
- Flanges: Use Class 150 PVC Plastic
Fittings with stainless steel collar have a reinforcement on the female threads to prevent the threads from cracking.
Pipe Size | Socket Depth | Material | Collar Material | Max. Pressure | Each | |
NPT Threads | ||||||
|---|---|---|---|---|---|---|
| 1/4 | 5/8" | PVC Plastic | Stainless Steel | 390 psi @ 72° F | 00000000 | 000000 |
| 3/8 | 3/4" | PVC Plastic | Stainless Steel | 310 psi @ 72° F | 00000000 | 00000 |
| 1/2 | 7/8" | PVC Plastic | Stainless Steel | 300 psi @ 72° F | 0000000 | 00000 |
| 3/4 | 1" | PVC Plastic | Stainless Steel | 240 psi @ 72° F | 0000000 | 00000 |
| 1 | 1 1/8" | PVC Plastic | Stainless Steel | 225 psi @ 72° F | 0000000 | 00000 |
| 1 1/4 | 1 1/4" | PVC Plastic | Stainless Steel | 185 psi @ 72° F | 0000000 | 00000 |
| 1 1/2 | 1 3/8" | PVC Plastic | Stainless Steel | 165 psi @ 72° F | 0000000 | 00000 |
| 2 | 1 1/2" | PVC Plastic | Stainless Steel | 140 psi @ 72° F | 0000000 | 00000 |
| 3 | 1 7/8" | PVC Plastic | Stainless Steel | 130 psi @ 72° F | 0000000 | 000000 |
| 4 | 2 1/4" | PVC Plastic | Stainless Steel | 110 psi @ 72° F | 0000000 | 000000 |
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Schedule 40 PVC Plastic
- Flanges: Use Class 150 PVC Plastic
| Pipe Size | Socket Depth | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 3/8 | 19/32" | PVC Plastic | 310 psi @ 72° F | 00000000 | 000000 |
| 1/2 | 11/16" | PVC Plastic | 300 psi @ 72° F | 0000000 | 00000 |
| 3/4 | 23/32" | PVC Plastic | 240 psi @ 72° F | 0000000 | 00000 |
| 1 | 7/8" | PVC Plastic | 225 psi @ 72° F | 0000000 | 00000 |
| 1 1/4 | 15/16" | PVC Plastic | 185 psi @ 72° F | 0000000 | 00000 |
| 1 1/2 | 1 3/32" | PVC Plastic | 165 psi @ 72° F | 0000000 | 00000 |
| 2 | 1 5/32" | PVC Plastic | 140 psi @ 72° F | 0000000 | 00000 |
| 3 | 1 7/8" | PVC Plastic | 130 psi @ 72° F | 0000000 | 000000 |
| 4 | 2" | PVC Plastic | 110 psi @ 72° F | 0000000 | 000000 |