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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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O-Rings for Brass Compression Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: -20° to 212° F
Use these O-rings with brass compression tube fittings that have BSPP male threads. They create a seal on the BSPP male threads to guard against leaks.
For technical drawings and 3-D models, click on a part number.
| For Pipe Size | For Thread Type | For Gender | O-Ring Material | Max. Pressure | Each | |
| 1/8 | BSPP | Male | Buna-N Rubber, Steel | 2100 psi @ 72 ° F | 000000000 | 00000 |
| 1/4 | BSPP | Male | Buna-N Rubber, Steel | 2100 psi @ 72 ° F | 000000000 | 000 |
| 3/8 | BSPP | Male | Buna-N Rubber, Steel | 1900 psi @ 72 ° F | 000000000 | 000 |
| 1/2 | BSPP | Male | Buna-N Rubber, Steel | 1400 psi @ 72 ° F | 000000000 | 0000 |
| 3/4 | BSPP | Male | Buna-N Rubber, Steel | 1000 psi @ 72 ° F | 000000000 | 0000 |
| 1 | BSPP | Male | Buna-N Rubber, Steel | 1000 psi @ 72 ° F | 000000000 | 0000 |
Nuts for Brass Compression Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
Use these nuts with brass compression sleeves and fittings to create a seal on plastic and rubber tubing. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Brass Compression Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
A single sleeve (ferrule) compresses the tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless fittings. They are brass for good corrosion resistance.
Tube supports (sold separately) are recommended if you want to use the fittings with soft polypropylene and polyethylene tubing to prevent the tube from collapsing.
Install plugs with a nut (sold separately) on the end of fittings to block the flow of air or water.
For technical drawings and 3-D models, click on a part number.
- For Use With: See table
- Temperature Range: See table
- Tubing:
Tube supports for use with air and lubricated air: Use with firm or soft (Durometer 70A-45D) polyethylene plastic or polyurethane rubber
Tube supports for use with air, lubricated air, and water: Use with hard or firm (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic, or polyurethane rubber - Specifications Met: SAE J512, except metric sizes
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| OD | ID | For Use With | Tube Support Material | Max Pressure | Temp. Range, °F | Each | |
| 4mm | 2.7mm | Air, Lubricated Air, Water | Brass | 2100 psi @ 72° F | -75° to 550° | 00000000 | 00000 |
| 12mm | 9mm | Air, Lubricated Air, Water | Brass | 1000 psi @ 72° F | -75° to 550° | 00000000 | 000 |
| 12mm | 10mm | Air, Lubricated Air, Water | Brass | 1000 psi @ 72° F | -75° to 550° | 00000000 | 000 |
- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
Tube Supports for Brass Compression Tube Fittings for Air and Water
Use these sleeves with brass compression nuts and fittings to create a seal on plastic and rubber tubing. They are brass, so they won’t damage tubing.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -75° to 550° F
- Tubing: Use with hard or firm (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic, or polyurethane rubber
Sleeves for Brass Compression Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 95A-Rockwell R110) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
Use these sleeves with brass compression nuts and fittings to create a seal on plastic and rubber tubing.
Brass sleeves work best with nylon tubing. When using these sleeves with soft tubing such as polyethylene, polypropylene, and polyurethane tubing, you should use a tube support (not included).
For technical drawings and 3-D models, click on a part number.