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.
More
High-Polish Metal Quick-Clamp Sanitary Tube Fittings

- Temperature Range: See Gaskets
The smooth finish inside these fittings makes it easy to remove product residue. Also known as aseptic and tri-clamp fittings, they connect with a gasket, a clamp, and another quick-clamp fitting for a fast and easy way to access your line. The pressure rating of the fitting will vary depending on the clamp you choose, and the temperature rating will vary based on the gasket material you choose.
304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.
Fittings that meet DIN standards adhere to international requirements for sanitary quick-clamp fittings. 3-A certified fittings comply with sanitary standards.
Note: To complete a connection, you’ll need two quick-clamp fittings, a clamp, and a gasket (all sold separately).
For technical drawings and 3-D models, click on a part number.

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing:
Inch Fittings: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
Metric Fittings: Use with welded 304/304L or 316/316L stainless steel - Specifications Met: See table
Fittings with butt-weld end are also known as ferrules; they weld to tubing for a permanent, flush connection.
For Tube OD | |||||||
---|---|---|---|---|---|---|---|
Quick Clamp | Butt Weld | Flange OD | Lg. | Wall Thick. | Specifications Met | Each | |
304 Stainless Steel | |||||||
Metric | |||||||
10mm | 13mm | 34mm | 18mm | 1mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 000000 |
16mm | 19mm | 34mm | 18mm | 1mm | 3-A Certified 63-03, DIN 32676 | 000000 | 00000 |
20mm | 23mm | 34mm | 18mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
26mm | 29mm | 50.5mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
32mm | 35mm | 50.5mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
38mm | 41mm | 50.5mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
50mm | 53mm | 64mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
66mm | 70mm | 91mm | 28mm | 2mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
81mm | 85mm | 106mm | 28mm | 2mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
100mm | 104mm | 119mm | 28mm | 2mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 000000 |
316/316L Stainless Steel | |||||||
Inch | |||||||
1/4" | 1/4" | 0.992" | 1/2" | 0.065" | 3-A Certified 63-03 | 000000000 | 000000 |
3/8" | 3/8" | 0.992" | 1/2" | 0.065" | 3-A Certified 63-03 | 000000000 | 00000 |
1 1/4" | 1 1/4" | 1.984" | 1/2" | 0.065" | 3-A Certified 63-03 | 000000000 | 00000 |
1 1/4" | 1 1/4" | 1.984" | 1 1/8" | 0.065" | 3-A Certified 63-03 | 000000000 | 00000 |
316L Stainless Steel | |||||||
Metric | |||||||
10mm | 13mm | 34mm | 18mm | 1mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
16mm | 19mm | 34mm | 18mm | 1mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
20mm | 23mm | 34mm | 18mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
26mm | 29mm | 50.5mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
38mm | 41mm | 50.5mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
50mm | 53mm | 64mm | 21.5mm | 1.5mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
66mm | 70mm | 91mm | 28mm | 2mm | 3-A Certified 63-03, DIN 32676 | 0000000 | 00000 |
100mm | 104mm | 119mm | 28mm | 2mm | 3-A Certified 63-03, DIN 32676 | 000000 | 000000 |

- For Use With: Air, Beverage, Dairy, Food, Water, except fittings with a 0.13" wall thickness cannot be used with dairy
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table
Fittings with butt-weld end are also known as ferrules; they weld to tubing for a permanent, flush connection. Tank butt-weld fittings have an extra-thick wall for welding.

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing: Use with welded stainless steel that meets ASTM A269 or ASTM A270
- Specifications Met: See table
For Tube OD | Flange OD | Specifications Met | 4" Lg. | 6" Lg. | 8" Lg. | 12" Lg. | 18" Lg. | 24" Lg. | |
304 Stainless Steel | |||||||||
---|---|---|---|---|---|---|---|---|---|
1/2" | 0.984" | 3-A Certified 63-03 | 0000000 | ||||||
3/4" | 0.984" | 3-A Certified 63-03 | 0000000 | ||||||
1" | 1.984" | 3-A Certified 63-03 | 0000000 | ||||||
1 1/2" | 1.984" | 3-A Certified 63-03 | 0000000 | ||||||
2" | 2.516" | 3-A Certified 63-03 | 0000000 | ||||||
2 1/2" | 3.047" | 3-A Certified 63-03 | 0000000 | ||||||
3" | 3.579" | 3-A Certified 63-03 | 0000000 | ||||||
4" | 4.682" | 3-A Certified 63-03 | 0000000 | ||||||
6" | 6.57" | 3-A Certified 63-03 | 0000000 | ||||||
316/316L Stainless Steel | |||||||||
1/2" | 0.984" | 3-A Certified 63-03 | 00000000 | ||||||
3/4" | 0.984" | 3-A Certified 63-03 | 00000000 | ||||||
1" | 1.984" | 3-A Certified 63-03 | 00000000 | ||||||
1 1/2" | 1.984" | 3-A Certified 63-03 | 00000000 | ||||||
2" | 2.516" | 3-A Certified 63-03 | 00000000 | ||||||
2 1/2" | 3.047" | 3-A Certified 63-03 | 00000000 | ||||||
3" | 3.579" | 3-A Certified 63-03 | 00000000 | ||||||
4" | 4.682" | 3-A Certified 63-03 | 00000000 | ||||||
6" | 6.57" | 3-A Certified 63-03 | 00000000 |

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table

- For Use With: Air, Beverage, Dairy, Food, Water
- Tubing: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: 3-A Certified 63-03
For Tube OD | Flange OD | 2 Outlets | 3 Outlets | |||||
---|---|---|---|---|---|---|---|---|
Inlet | Outlet | Inlet | Outlet | Number of Inlets | Each | Each | ||
304 Stainless Steel | ||||||||
2" | 1 1/2" | 2.516" | 1.984" | 2 | 00000000 | 0000000 | 00000000 | 0000000 |
3" | 1 1/2" | 3.579" | 1.984" | 2 | 00000000 | 000000 | 00000000 | 000000 |
3" | 2" | 3.579" | 2.516" | 2 | 00000000 | 000000 | 00000000 | 000000 |
316/316L Stainless Steel | ||||||||
2" | 1 1/2" | 2.516" | 1.984" | 2 | 000000000 | 000000 | 000000000 | 000000 |
3" | 1 1/2" | 3.579" | 1.984" | 2 | 000000000 | 000000 | 000000000 | 000000 |

For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Specifications Met | Each | |
1/4", 3/8", 1/2", 5/8", 3/4" | 0.984" | 1,200 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 000000 |
1", 1 1/4", 1 1/2" | 1.984" | 500 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
2" | 2.516" | 450 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
2 1/2" | 3.047" | 400 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
3" | 3.579" | 350 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
4" | 4.682" | 200 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
6" | 6.57" | 150 psi @ 72° F | ASTM A269, ASTM A270 | __ | 00000000 | 00000 |
10mm, 16mm, 20mm | 34mm | 90 psi @ 72° F | __ | DIN 32676 | 0000000 | 00000 |
26mm, 32mm, 38mm | 51mm | 90 psi @ 72° F | __ | DIN 32676 | 0000000 | 00000 |
50mm | 64mm | 50 psi @ 72° F | __ | DIN 32676 | 0000000 | 00000 |
66mm | 91mm | 50 psi @ 72° F | __ | DIN 32676 | 0000000 | 00000 |
81mm | 106mm | 30 psi @ 72° F | __ | DIN 32676 | 0000000 | 00000 |
100mm | 119mm | 30 psi @ 72° F | __ | DIN 32676 | 0000000 | 00000 |


For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
1/2", 3/4" | 0.984" | 1,200 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 000000 |
1", 1 1/4", 1 1/2" | 1.984" | 500 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 00000 |
2" | 2.516" | 450 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 00000 |
2 1/2" | 3.047" | 400 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 00000 |
3" | 3.579" | 350 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 00000 |
4" | 4.682" | 200 psi @ 72° F | ASTM A269, ASTM A270 | 0000000 | 00000 |

For Tube OD | For Flange OD | Bolt Material | Max. Pressure | For Tube Specifications Met | Each | |
1/2", 3/4" | 0.984" | 304 Stainless Steel | 1,500 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 000000 |
1", 1 1/4", 1 1/2" | 1.984" | 304 Stainless Steel | 1,500 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
2" | 2.516" | 304 Stainless Steel | 1,000 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
2 1/2" | 3.047" | 304 Stainless Steel | 1,000 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
3" | 3.579" | 304 Stainless Steel | 1,000 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
4" | 4.682" | 304 Stainless Steel | 1,000 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
6" | 6.57" | 304 Stainless Steel | 300 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |

For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Specifications Met | Each | |
1 1/2" | 2.14" | 500 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 000000 |
2" | 2.65" | 450 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 00000 |
3" | 3.72" | 350 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 00000 |
4" | 4.82" | 300 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 00000 |

For Tube OD | For Flange OD | Max. Pressure | Specifications Met | Each | |
10mm, 15mm | 34mm | 725 psi @ 300° F | DIN 11864 | 0000000 | 000000 |

For Tube OD | For Flange OD | Max. Pressure | Each | |
1/2", 3/4" | 0.984" | 700 psi @ 72° F | 0000000 | 000000 |
1", 1 1/4", 1 1/2" | 1.984" | 700 psi @ 72° F | 0000000 | 00000 |
2" | 2.516" | 700 psi @ 72° F | 0000000 | 00000 |
2 1/2" | 3.047" | 700 psi @ 72° F | 0000000 | 00000 |
3" | 3.579" | 580 psi @ 72° F | 0000000 | 00000 |
4" | 4.682" | 500 psi @ 72° F | 0000000 | 00000 |
6" | 6.57" | 430 psi @ 72° F | 0000000 | 00000 |

For Tube OD | For Flange OD | Bolt Material | Max. Pressure | Specifications Met | Each | |
1", 1 1/4", 1 1/2" | 1.984" | 316 Stainless Steel | 2,400 psi @ 72° F | ASME BPVC.VIII | 0000000 | 0000000 |
2" | 2.516" | 316 Stainless Steel | 1,300 psi @ 72° F | ASME BPVC.VIII | 0000000 | 000000 |
3" | 3.579" | 316 Stainless Steel | 1,300 psi @ 72° F | ASME BPVC.VIII | 0000000 | 000000 |
4" | 4.682" | 316 Stainless Steel | 820 psi @ 72° F | ASME BPVC.VIII | 0000000 | 000000 |
6" | 6.57" | 316 Stainless Steel | 210 psi @ 72° F | ASME BPVC.VIII | 0000000 | 000000 |

For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Each | |
1/2", 3/4" | 0.984" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 000000 |
1", 1 1/4", 1 1/2" | 1.984" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
2" | 2.516" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
2 1/2" | 3.047" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
3" | 3.579" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
4" | 4.682" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 00000 |
6" | 6.57" | 150 psi @ 72° F | ASTM A269, ASTM A270 | 00000000 | 000000 |

Buna-N gaskets are oil resistant. EPDM gaskets resist water and steam and work well in humid environments. Silicone gaskets withstand high temperatures. Fluoroelastomer gaskets stand up to fuel, oil, and acid condensates. PTFE gaskets withstand harsh chemicals, with the exception of molten alkali metal and elemental fluorine.
For Tube OD | ID | OD | Thick. | Temp. Range, °F | Color | Specifications Met | Each | |
Buna-N Rubber | ||||||||
---|---|---|---|---|---|---|---|---|
1/2" | 0.380" | 0.860" | 0.178" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
3/4" | 0.620" | 0.860" | 0.178" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1" | 0.900" | 1.980" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1 1/2" | 1.400" | 1.980" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 000 |
2" | 1.900" | 2.520" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 000 |
2 1/2" | 2.400" | 3.050" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3" | 2.900" | 3.580" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
4" | 3.870" | 4.680" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
6" | 5.820" | 6.510" | 0.203" | -30° to 200° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
EPDM Rubber | ||||||||
1/2" | 0.380" | 0.860" | 0.178" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3/4" | 0.620" | 0.860" | 0.178" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1" | 0.900" | 1.980" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1 1/2" | 1.400" | 1.980" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
2" | 1.900" | 2.520" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
2 1/2" | 2.400" | 3.050" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3" | 2.900" | 3.580" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
4" | 3.870" | 4.680" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
6" | 5.820" | 6.670" | 0.203" | -20° to 300° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
10mm | 10.200mm | 34.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 00000 |
16mm | 16.200mm | 34.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 00000 |
20mm | 20.200mm | 34.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 00000 |
26mm | 26.200mm | 50.500mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 0000 |
32mm | 32.200mm | 50.500mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 0000 |
38mm | 38.200mm | 50.500mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 0000 |
50mm | 50.200mm | 64.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 0000 |
66mm | 66.200mm | 91.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 000000 | 00000 |
81mm | 81.200mm | 106.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 00000 |
100mm | 100.200mm | 119.000mm | 0.205" | -50° to 275° | Black | DIN 32676 | 0000000 | 00000 |
Silicone Rubber | ||||||||
1/2" | 0.380" | 0.860" | 0.178" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3/4" | 0.620" | 0.860" | 0.178" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1" | 0.900" | 1.980" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1 1/2" | 1.400" | 1.980" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
2" | 1.900" | 2.520" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
2 1/2" | 2.400" | 3.050" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3" | 2.900" | 3.580" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
4" | 3.870" | 4.680" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
6" | 5.820" | 6.510" | 0.203" | -40° to 450° | Clear | 3-A Certified 18-03, FDA Compliant 21 CFR 177.1550, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
10mm | 10.200mm | 36.170mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 0000 |
16mm | 16.200mm | 36.170mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 0000 |
20mm | 20.200mm | 36.170mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 0000 |
26mm | 26.200mm | 52.580mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
32mm | 32.500mm | 52.580mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
38mm | 38.200mm | 52.580mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
50mm | 50.200mm | 66.040mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
66mm | 66.200mm | 93.090mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
81mm | 81.200mm | 108.180mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
100mm | 100.200mm | 121.110mm | 5.2mm | -40° to 450° | Clear | DIN 32676, FDA Compliant 21 CFR 177.2600 | 00000000 | 00000 |
Fluoroelastomer Rubber | ||||||||
1/2" | 0.380" | 0.860" | 0.178" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3/4" | 0.620" | 0.860" | 0.178" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1" | 0.900" | 1.980" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
1 1/2" | 1.400" | 1.980" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
2" | 1.900" | 2.520" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
2 1/2" | 2.400" | 3.050" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
3" | 2.900" | 3.580" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
4" | 3.870" | 4.680" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
6" | 5.820" | 6.510" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 00000 |
PTFE Plastic | ||||||||
1/2" | 0.380" | 0.860" | 0.178" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
3/4" | 0.620" | 0.860" | 0.178" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
1" | 0.900" | 1.980" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
1 1/2" | 1.400" | 1.980" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
2" | 1.900" | 2.520" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
2 1/2" | 2.400" | 3.050" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
3" | 2.900" | 3.580" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
4" | 3.870" | 4.680" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 0000 |
6" | 5.820" | 6.510" | 0.203" | -100° to 500° | White | 3-A Certified 20-27, FDA Compliant 21 CFR 177.1550 | 00000000 | 00000 |
10mm | 10.200mm | 34.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
16mm | 16.200mm | 34.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
20mm | 20.200mm | 34.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
26mm | 26.200mm | 50.500mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
32mm | 32.200mm | 50.500mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
38mm | 38.200mm | 50.500mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
50mm | 50.200mm | 64.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
66mm | 66.200mm | 91.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
81mm | 81.200mm | 106.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |
100mm | 100.200mm | 119.000mm | 5.2mm | -100° to 500° | White | DIN 32676, FDA Compliant 21 CFR 177.1550 | 000000000 | 00000 |

For Tube OD | |||||||
---|---|---|---|---|---|---|---|
Gasket Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Includes | Each | |
1" | 1" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 0000000 |
1 1/2" | 1 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 000000 |
2" | 2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 000000 |
2 1/2" | 2 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 304 Stainless Steel Nut | 0000000 | 000000 |

For Tube OD | ||||||
---|---|---|---|---|---|---|
Gasket Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Each | |
1" | 1" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
1 1/2" | 1 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
2" | 2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
2 1/2" | 2 1/2" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |

Flange OD | |||||||
---|---|---|---|---|---|---|---|
For Tube OD | Extra-Support Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Each | |
1" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
1 1/2" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 00000 |
2" | 2.64" | 2.516" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
3" | 3.87" | 3.579" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |

Flange OD | |||||||
---|---|---|---|---|---|---|---|
For Tube OD | Extra-Support Connection | Standard Connection | Wall Thick. | Material | For Tube Specifications Met | Each | |
1" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
1 1/2" | 1.995" | 1.984" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 00000 |
2" | 2.64" | 2.516" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
3" | 3.87" | 3.579" | 0.065" | 316 Stainless Steel | ASTM A269, ASTM A270 | 0000000 | 000000 |
Butt-Weld Fittings for Stainless Steel Tubing
- For Use With: See table
- Temperature Range: See table
- Tubing:
304 Stainless Steel: Use with 304/304L stainless steel that meets ASTM A213, ASTM A269, or ASTM A270, except DIN EN 10357 fittings with only ASTM A269 or ASTM A270
316 Stainless Steel: Use with 316/316L stainless steel that meets ASTM A213, ASTM A269, or ASTM A270, except ASME BPE and DIN EN 10357 fittings with only ASTM A269 or ASTM A270 - Specifications Met: See table
Weld these fittings to tubing for a permanent, flush connection that permits smooth flow through a line.
316 stainless steel fittings have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.

316/316L Stainless Steel | |||||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | Max. Pressure | Max. Vacuum | Temp. Range, °F | Lg. | Wall Thick. | For Use With | Specifications Met | Each | |
Polished | |||||||||
1 1/2" | 300 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 12" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 0000000 |
2" | 270 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 12" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |
2 1/2" | 220 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 18" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |
3" | 170 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 18" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |
4" | 120 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 18" | 0.083" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |

316/316L Stainless Steel | |||||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | Max. Pressure | Max. Vacuum | Temp. Range, °F | Length (A) | Wall Thick. | For Use With | Specifications Met | Each | |
Polished | |||||||||
1 1/2" | 300 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 4 15/16" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 0000000 |
2" | 270 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 4 15/16" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |
3" | 170 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 7 7/16" | 0.065" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |
4" | 120 psi @ 72° F | 10 -6 torr @ 72° F | 35° to 250° | 7 7/16" | 0.083" | Dairy, Food | 3-A Certified 63-03 | 00000000 | 000000 |
Sanitary Sampling Stainless Steel Tube Fittings

- For Use With: Dairy, Beverage, Water, Air, Food
- Tubing: Use with welded 316/316L stainless steel
- Specifications Met: 3-A Certified 63-03
Take samples in sanitary environments—these tube fittings won’t contaminate your lines or force you to pause them. Made of 316L stainless steel, they’ll stand up to harsh cleaners and sanitizers without corroding. They also have polished internal surfaces, minimizing the space where bacteria could grow. With quick-clamp connections, they are easy to take apart for cleaning or reconfiguring your line. All are 3-A certified to meet sanitary design standards, so they’re often used in food and beverage, pharmaceutical, and biotech applications.
All fittings require pierceable lids (sold separately) to draw samples through a hypodermic needle. Each lid is good for seven samples, and each sample leaves a hole mark, so you know when it’s time to unscrew the nut on the tube fitting and swap in a new lid. To help prevent dust and moisture from accumulating on the lid, all tube fittings have a dust cover. These lids are FDA compliant, so they keep contaminants from entering your line and also are approved for direct contact with food if they break off and fall in. Manufactured free of contaminants and allergens, all are BPA-, latex-, and phthalate-free. They’re also TSE/BSE compliant, meaning they’ve never come into contact with any animal products.
Pair these tube fittings with liquid samplers for a sample. They use gravity to draw out liquid through the needle directly into the bag.
For technical drawings and 3-D models, click on a part number.
Bag | Needle | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Capacity, ml | Ht. | Wd. | Thick., mil | Gauge | Lg. | ID | OD | Material | Connection Type | Color | Specifications Met | Each | |
PVC Plastic | |||||||||||||
250 | 8" | 5" | 14 | 18 | 1 1/2" | 0.033" | 0.05" | 304 Stainless Steel | Luer Lock | Clear | ISO 10993, USP Class VI | 0000000 | 00000 |
2,000 | 14" | 7" | 14 | 18 | 1 1/2" | 0.033" | 0.05" | 304 Stainless Steel | Luer Lock | Clear | ISO 10993, USP Class VI | 0000000 | 0000 |