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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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Barbed Fittings for Plastic and Rubber Tubing—Chemicals
- For Use With: Alcohol, Coolant, Mild Bases
- Temperature Range: See table
- Tubing: Use with firm (Durometer 75A-80A) polyurethane rubber, PVC plastic, or Viton® fluoroelastomer rubber
Minimize leaks in your line—these fittings have a single barb that creates a smooth clamping surface for extra-tight connections. Fittings are polypropylene, which has very good chemical resistance as well as impact and abrasion resistance.
For technical drawings and 3-D models, click on a part number.
Straight Reducers, Tube

For Tube ID (A) | For Tube ID (B) | Material | Color | Clarity | Max. Pressure | Temp. Range, ° F | Pkg. Qty. | Pkg. | |
3/32" | 1/16" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |
1/8" | 1/16" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 0000 |
1/8" | 3/32" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 0000 |
5/32" | 1/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
3/16" | 1/8" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 0000 |
1/4" | 1/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1/4" | 5/32" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 0000 |
1/4" | 3/16" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 0000 |
5/16" | 1/4" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
3/8" | 1/4" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |
3/8" | 5/16" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1/2" | 1/4" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1/2" | 5/16" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1/2" | 3/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
5/8" | 1/4" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
5/8" | 5/16" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
5/8" | 3/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
5/8" | 1/2" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
3/4" | 3/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
3/4" | 1/2" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
3/4" | 5/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1" | 1/2" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1" | 5/8" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
1" | 3/4" | Polypropylene Plastic | White | Opaque | Not Rated | -9° to 150° | 10 | 000000000 | 00000 |
90° Elbow Reducers, Tube

For Tube ID (A) | For Tube ID (B) | Material | Color | Clarity | Max. Pressure | Temp. Range, ° F | Pkg. Qty. | Pkg. | |
3/32" | 1/16" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 000000 |
1/8" | 3/32" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |
3/16" | 1/8" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |
Inline Tee Reducers, Tube

Inline tees are also known as branch tees.
For Tube ID (A) | For Tube ID (B) | Material | Color | Clarity | Max. Pressure | Temp. Range, ° F | Pkg. Qty. | Pkg. | |
3/32" | 1/16" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |
3/8" | 1/8" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |
3/8" | 1/4" | Polypropylene Plastic | White | Semi-Clear | 120 psi @ 72° F | 32° to 250° | 10 | 00000000 | 00000 |