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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Socket-Connect Fittings for Plastic Tubing—Air and Water
- Temperature Range: 0° to 140° F
- Tubing: Use with PVC plastic
Made of soft PVC, these fittings flex to withstand high-vibration applications. Use them in place of rigid fittings to create a more flexible system. To connect, slide fittings onto tubing and secure with a clamp.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Socket Depth | Material | Color | Max. Pressure | Each | |
| 3/8" | 47/64" | PVC Plastic | Clear | 60 psi @ 72° F | 0000000 | 000000 |
| 1/2" | 21/32" | PVC Plastic | Clear | 45 psi @ 72° F | 0000000 | 00000 |
| 3/4" | 1 3/32" | PVC Plastic | Clear | 60 psi @ 72° F | 0000000 | 00000 |
| 1" | 1 29/64" | PVC Plastic | Clear | 45 psi @ 72° F | 0000000 | 00000 |
| 1 1/4" | 1 11/16" | PVC Plastic | Clear | 20 psi @ 72° F | 0000000 | 00000 |
| 2" | 2 21/32" | PVC Plastic | Clear | 45 psi @ 72° F | 0000000 | 00000 |
| For Tube OD | Socket Depth | Material | Color | Max. Pressure | Each | |
| 1 1/4" | 1 1/16" | PVC Plastic | Blue | 45 psi @ 72° F | 0000000 | 000000 |
Socket-Connect Fittings for Plastic Tubing—Drinking Water
- Temperature Range: 40° to 180° F
- Tubing: Use with hard CPVC plastic
- Specifications Met: ASTM D2846, National Standard Plumbing Code, NSF/ANSI 61, NSF/ANSI 372, UPC Compliant, NSF/ANSI 14
Slide CPVC tubing into the socket end of these fittings and seal with cement for a permanent connection. They are also known as solvent-weld fittings and CTS (Copper Tube Size) fittings.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
For technical drawings and 3-D models, click on a part number.
Barbed Tube Fittings for Drinking Water
- Temperature Range: 32° to 180° F
- Tubing:
All Fittings: Use with hard polyethylene plastic
Socket-Connect Fittings: Use with hard polyethylene plastic or copper - Specifications Met: See table
Connect these fittings to tubing with a ring and a crimping tool (both sold separately). They have multiple barbs that grip onto tubing for a secure hold. Fittings are compatible with Viega PEX tubing. Safe to use with drinking water, these fittings meet the strict standards of NSF/ANSI 61.
Brass fittings offer good corrosion resistance.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
For technical drawings and 3-D models, click on a part number.
Crimp or solder a female press-connect or solder-connect tube fitting onto the male socket-connect end of this fitting to create a leak-tight connection. To crimp, you’ll need a press-connect crimping tool. Solder-connect fittings are also known as sweat fittings.
Socket-Connect | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Tube ID (Barbed) | Copper Tube Size | Tube OD | Type | Material | Max. Pressure | Specifications Met | Each | |
| 1/2" | 1/2 | 5/8" | Press, Solder | Brass | 160 psi @ 72° F | ASTM F1807, NSF/ANSI 61 | 0000000 | 00000 |
| 3/4" | 3/4 | 7/8" | Press, Solder | Brass | 160 psi @ 72° F | ASTM F1807, NSF/ANSI 61 | 0000000 | 0000 |
| 1" | 1 | 1 1/8" | Press, Solder | Brass | 160 psi @ 72° F | ASTM F1807, NSF/ANSI 61 | 00000000 | 00000 |
Solder-connect fittings create a permanent, leak-tight connection to tubing or the male socket-connect tube end of another fitting. They are also known as sweat fittings.
Socket-Connect | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Tube ID (Barbed) | Copper Tube Size | For Tube OD | Type | Material | Max. Pressure | Specifications Met | Each | |
| 1/2" | 1/2 | 5/8" | Solder | Brass | 160 psi @ 72° F | ASTM F1807, NSF/ANSI 61 | 0000000 | 00000 |
| 3/4" | 3/4 | 7/8" | Solder | Brass | 160 psi @ 72° F | ASTM F1807, NSF/ANSI 61 | 0000000 | 0000 |
| 1" | 1 | 1 1/8" | Solder | Brass | 160 psi @ 72° F | ASTM F1807, NSF/ANSI 61 | 00000000 | 0000 |
