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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Extra-Support High-Polish Metal Quick-Clamp Sanitary Tube Fittings

- For Use With: Dairy, Water
- Temperature Range: -30° to 200° F
- Tubing:
304 Stainless Steel: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM A270
316 Stainless Steel: Use with welded 304/304 L or 316/316L stainless steel - Specifications Met: See table
Also known as I-line fittings, these fittings have a male adapter that interlocks with a female adapter for more support than standard quick-clamp fittings. They permit easy access to your line. With a smooth finish on the interior, they prevent bacterial growth and help you remove product residue. The pressure rating of the fitting will depend on the clamp you choose.
304 stainless steel fittings have very good corrosion resistance. They’re 3-A certified to meet sanitary design standards. On fittings with a butt-weld end connection, the flanged end of the male adapter interlocks with the flanged end of the female adapter to provide extra support to your line. To assemble, weld the adapters to tubing, then clamp the flanged ends together with a gasket for a strong, leak-tight seal that permits easy access to your line.
Note: To complete a connection, you’ll need a male and female straight adapter, a clamp, and a gasket (all sold separately).
For technical drawings and 3-D models, click on a part number.

For Tube OD | Flange OD | Wall Thick. | Material | Specifications Met | Each | |
2" | 2.64" | 0.065" | 304 Stainless Steel | 3-A Certified 63-04 | 0000000 | 000000 |

Buna-N gaskets are oil resistant. 316 stainless steel/PTFE blend gaskets hold up to oil, harsh chemicals, high pressures, and high temperatures. They’re also metal detectable.
For Tube OD | ID | OD | Thick. | Color | Specifications Met | Each | |
Oil-Resistant Buna-N Rubber | |||||||
---|---|---|---|---|---|---|---|
1" | 0.896" | 1.196" | 0.0938" | Black | 3-A Certified 63-04 | 0000000 | 00000 |
1 1/2" | 1.438" | 1 3/4" | 0.0938" | Black | 3-A Certified 63-04 | 0000000 | 0000 |
2" | 1.860" | 2.240" | 0.0938" | Black | 3-A Certified 63-04 | 0000000 | 0000 |
Ultra-Chemical-Resistant Metal-Detectable 316 Stainless Steel/PTFE Plastic Blend | |||||||
1" | 0.910" | 1.270" | 0.072" | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
1 1/2" | 1.410" | 1.760" | 0.072" | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
2" | 1.880" | 2.260" | 0.072" | Gray | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550, USP VI Certified | 0000000 | 00000 |
Sleeves for 37° Flared Fittings for Stainless Steel Tubing

- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
- Tubing: Use with seamless or welded 304 or 316 stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Specifications Met: ISO 8434, SAE J514
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. Sleeves are 316 stainless steel for excellent corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube OD | |||
---|---|---|---|
Inch | Sleeve Material | Each | |
Inch | |||
1" | 316 Stainless Steel | 000000000 | 000000 |
Sleeves for Precision AN 37° Flared Fittings for Stainless Steel Tubing

- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -320° to 1200° F
- Tubing: Use with seamless 304 or 316 stainless steel
- Specifications Met: See Table
Use these sleeves with precision AN nuts and fittings to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. They are also known as ferrules.
304 stainless steel sleeves have very good corrosion resistance. 316 stainless steel sleeves have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Sleeves for 37° Flared Fittings for Copper Tubing

- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: MIL-F-18866, SAE J514, ISO 8434
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on copper tubing that is flared to 37°. Sleeves are brass for good corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube OD | Sleeve Material | Each | |
1" | 360 Brass | 000000000 | 00000 |
Sleeves for 37° Flared Fittings for Steel Tubing

- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temp. Range: -60° to 400° F
- Tubing: Use with seamless steel
- Specifications Met: SAE J514
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on steel tubing that is flared to 37°. Sleeves are zinc-plated steel for fair corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube OD | ||||
---|---|---|---|---|
Inch | Sleeve Material | Max. Pressure | Each | |
Inch Sleeves | ||||
1" | Zinc-Plated Steel | 2,500 psi @ 72° F | 000000000 | 00000 |
Sleeves for 37° Flared Fittings for Aluminum Tubing

- For Use With: Air, Coolant, Gasoline, Hydraulic Fluid, Water
- Temperature Range: -60° to 350° F
- Tubing: Use with seamless aluminum
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on aluminum tubing that is flared to 37°. Sleeves are aluminum, which is lightweight with good corrosion resistance. They are also known as ferrules
For technical drawings and 3-D models, click on a part number.
For Tube OD | Sleeve Material | Max. Pressure | Each | |
1" | Anodized 2024 Aluminum | 1,500 psi @ 72° F | 0000000 | 00000 |