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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Compression Fittings for Steel Tubing
- For Use With: Inch: Air, Hydraulic Fluid, Water
Metric: Hydraulic Fluid - Tubing: Inch: Use with welded steel
Metric: Use with seamless steel - Specifications Met: Inch: SAE J514
Metric: ISO 8434, DIN 2353
A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless and bite fittings.
Zinc-plated steel fittings have fair corrosion resistance.
ISO 8434 (formerly DIN 2353) fittings meet international standards for tube fitting pressures.
- Temperature Range: -20° to 230° F
| Number of Pieces | Includes | Material | Max. Pressure | Each | |
| 72 | Plug for 6 mm OD Tubing (4 each) Plug for 8 mm OD Tubing (4 each) Plug for 10 mm OD Tubing (6 each) Plug for 12 mm OD Tubing (6 each) Plug for 15 mm OD Tubing (6 each) Plug for 18 mm OD Tubing (4 each) Plug for 22 mm OD Tubing (4 each) Plug for 28 mm OD Tubing (2 each) Cap for 6 mm OD Tubing (4 each) Cap for 8 mm OD Tubing (4 each) Cap for 10 mm OD Tubing (6 each) Cap for 12 mm OD Tubing (6 each) Cap for 15 mm OD Tubing (6 each) Cap for 18 mm OD Tubing (4 each) Cap for 22 mm OD Tubing (4 each) Cap for 28 mm OD Tubing (2 each) Metal Box | Zinc-Plated Steel | 2,300 psi @ 72° F | 00000000 | 0000000 |
Push-to-Connect Tube Fittings for Drinking Water
- Temperature Range: 35° to 150° F
- Tubing: See table
- Specifications Met: NSF/ANSI 61
Made of moisture-resistant acetal, these fittings won't absorb water and lose strength, even in high-humidity environments. 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 and pull the tubing out of the fitting. All meet NSF/ANSI 61 for use in drinking water systems.
For technical drawings and 3-D models, click on a part number.
Caps fit over a tube stem end of a fitting or a piece of tubing.
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Material | Color | Release Ring Color | Max. Pressure | Material | Each | |
| 18mm | Acetal Plastic | Black | Black | 150 psi @ 72° F | Nylon Plastic, Polyethylene Plastic | 00000000 | 00000 |