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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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Push-to-Connect Tube Fittings for Air
- Temperature Range: 0° to 170° F
- Tubing: Use with firm (Durometer 95A-45D) polyethylene plastic or polyurethane rubber
- Specifications Met: ISO 14743
Insert tubing into these fittings and an internal gripping ring and O-ring hold the tubing tight. They are also known as instant fittings. To disconnect, push on the release ring and pull the tubing out of the fitting. Fittings have good corrosion resistance.
Identification rings (sold separately) snap over the release ring so you can color-code your lines.
Clips (sold separately) align and organize your tubing and fittings.
For technical drawings and 3-D models, click on a part number.
Plugs insert into the push-to-connect end of a fitting.
| Tube Stem OD | Material | Max. Pressure | Each | |
| 16mm | Nickel-Plated Brass | 290 psi @ 72° F | 0000000 | 000000 |
Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air
- For Use With: Air, Lubricated Air
- Temperature Range: 0° to 140° F, except plugs and straight connectors are 32° to 140° F
- Tubing: Fittings with Release Ring and Fittings with no Release Type: Use with firm or hard (Durometer 95A-60D) nylon plastic, polyethylene plastic or polyurethane rubber
Fittings with Release Sleeve: Use with firm or hard (Durometer 95A-60D) polyethylene plastic or polyurethane rubber
Made entirely of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring or sleeve and pull the tubing out of the fitting.
For technical drawings and 3-D models, click on a part number.
Brass Push-to-Connect Fittings for Copper Tubing
- Temperature Range: 32° to 200° F
- Tubing: Use with K, M, L copper, polyethylene plastic
Connect these fittings to copper tubing with a push—no heat, solder, or flux required. They have an internal gripping ring and O-ring that hold the fitting secure. They also come with a tube support if you want to use them with polyethylene plastic (PEX) tubing. They are also known as instant fittings. Fittings are brass for good corrosion resistance. They are compatible with SharkBite® fittings. To adhere to safety standards for drinking water systems, use fittings that meet NSF/ANSI 61.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Drinking Water
- Specifications Met: NSF/ANSI 61
Standard Caps | |||||||
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| Copper Tube Size | For Tube OD | Material | Release Ring Material | Release Ring Color | Max. Pressure | Each | |
| 3/8 | 1/2" | Brass | Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
| 1/2 | 5/8" | Brass | Plastic | Black | 200 psi @ 72° F | 0000000 | 0000 |
| 3/4 | 7/8" | Brass | Plastic | Black | 200 psi @ 72° F | 0000000 | 0000 |
| 1 | 1 1/8" | Brass | Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
| 1 1/2 | 1 5/8" | Brass | Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
| 2 | 2 1/8" | Brass | Plastic | Black | 200 psi @ 72° F | 0000000 | 00000 |
A release clip or release wrench (both sold separately) is required to disconnect the fitting from the tubing.
| For Copper Tube Size | For Tube OD | For Copper Tube Size | For Tube OD | Each | |
| 1 1/4, 1 1/2 | 1 3/8", 1 5/8" | 2 | 2 1/8" | 0000000 | 000000 |