How to Identify and Measure Fittings
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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.
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: Use with welded 304/304L or 316/316L stainless steel that meets ASTM A269 or ASTM 270
- Specifications Met: See table
Tube Connection (A) | Tube Connection (B) | 304 Stainless Steel | 316/316L Stainless Steel | ||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Flange OD | Lg. | Specifications Met | Each | Each | ||
3/4" | 0.984" | 1/2" | 0.984" | 2" | 3-A Certified 63-04 | 000000 | 00 | 000000000 | 0000000 |
1" | 1.984" | 1/2" | 0.984" | 2 1/2" | 3-A Certified 63-04 | 000000 | 00 | 000000000 | 000000 |
1" | 1.984" | 3/4" | 0.984" | 2" | 3-A Certified 63-04 | 000000 | 00 | 000000000 | 000000 |
1 1/2" | 1.984" | 1/2" | 0.984" | 3" | 3-A Certified 63-04 | 000000 | 00 | 00000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.984" | 4" | 3-A Certified 63-04 | 000000 | 00 | 000000000 | 000000 |
1 1/2" | 1.984" | 1" | 1.984" | 3" | 3-A Certified 63-04 | 00000000 | 000000 | 000000000 | 00000 |
2" | 2.516" | 1" | 1.984" | 5" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
2" | 2.516" | 1 1/2" | 1.984" | 3" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
2 1/2" | 3.047" | 1" | 1.984" | 7" | 3-A Certified 63-03 | 000000000 | 000000 | 000000000 | 000000 |
2 1/2" | 3.047" | 1 1/2" | 1.984" | 5" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
2 1/2" | 3.047" | 2" | 2.516" | 3" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
3" | 3.579" | 1 1/2" | 1.984" | 7" | 3-A Certified 63-04 | 00000000 | 000000 | 000000000 | 000000 |
3" | 3.579" | 2" | 2.516" | 5" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
3" | 3.579" | 2 1/2" | 3.047" | 3" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
4" | 4.682" | 2" | 2.516" | 9 1/8" | 3-A Certified 63-03 | 00000000 | 000000 | 000000 | 00 |
4" | 4.682" | 2" | 2.516" | 9 1/8" | 3-A Certified 63-04 | 000000 | 00 | 00000000 | 000000 |
4" | 4.682" | 2 1/2" | 3.047" | 7 1/8" | 3-A Certified 63-04 | 00000000 | 000000 | 000000000 | 000000 |
4" | 4.682" | 3" | 3.579" | 5 1/8" | 3-A Certified 63-04 | 00000000 | 00000 | 000000000 | 00000 |
6" | 6.57" | 3" | 3.579" | 6 7/8" | 3-A Certified 63-04 | 000000 | 00 | 000000000 | 000000 |
6" | 6.57" | 3" | 3.579" | 7 1/8" | 3-A Certified 63-04 | 00000000 | 000000 | 000000 | 00 |
6" | 6.57" | 4" | 4.682" | 7" | 3-A Certified 63-04 | 00000000 | 000000 | 000000000 | 000000 |


- 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 63-04
Offset straight reducers are also known as eccentric reducers; they connect one pipe to another smaller-diameter pipe and have the centers offset so the line can drain.
Tube Connection (A) | Tube Connection (B) | 316/316L Stainless Steel | |||
---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Flange OD | Each | |
3/4" | 0.984" | 1/2" | 0.984" | 00000000 | 0000000 |
1" | 1.984" | 1/2" | 0.984" | 00000000 | 000000 |
1" | 1.984" | 3/4" | 0.984" | 00000000 | 000000 |
1 1/2" | 1.984" | 1/2" | 0.984" | 00000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.984" | 00000000 | 000000 |
2" | 2.516" | 1 1/2" | 1.984" | 00000000 | 00000 |
2 1/2" | 3.047" | 2" | 2.516" | 00000000 | 00000 |
3" | 3.579" | 2" | 2.516" | 00000000 | 000000 |

- 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 63-04
Tube Connection (A) | Tube Connection (B) | 304 Stainless Steel | 316/316L Stainless Steel | ||||
---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Flange OD | Each | Each | ||
3/4" | 0.984" | 1/2" | 0.984" | 000000 | 00 | 000000000 | 0000000 |
1" | 1.984" | 1/2" | 0.984" | 000000 | 00 | 000000000 | 000000 |
1" | 1.984" | 3/4" | 0.984" | 000000 | 00 | 000000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.984" | 000000 | 00 | 000000000 | 000000 |
1 1/2" | 1.984" | 1" | 1.984" | 00000000 | 0000000 | 00000000 | 000000 |
2" | 2.516" | 1" | 1.984" | 00000000 | 000000 | 000000000 | 000000 |
2" | 2.516" | 1 1/2" | 1.984" | 00000000 | 000000 | 000000000 | 000000 |
2 1/2" | 3.047" | 1 1/2" | 1.984" | 00000000 | 000000 | 000000000 | 000000 |
2 1/2" | 3.047" | 2" | 2.516" | 00000000 | 000000 | 000000000 | 000000 |
3" | 3.579" | 1 1/2" | 1.984" | 00000000 | 000000 | 000000000 | 000000 |
3" | 3.579" | 2" | 2.516" | 00000000 | 000000 | 000000000 | 000000 |
3" | 3.579" | 2 1/2" | 3.047" | 00000000 | 000000 | 000000000 | 000000 |
4" | 4.682" | 2 1/2" | 3.047" | 00000000 | 000000 | 000000000 | 000000 |
4" | 4.682" | 3" | 3.579" | 00000000 | 000000 | 000000000 | 000000 |

- 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 63-04
Inline tees are also known as branch tees.
Tube Connection (A) | Tube Connection (B) | 304 Stainless Steel | 316/316L Stainless Steel | ||||
---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Flange OD | Each | Each | ||
1" | 1.984" | 1/2" | 0.984" | 000000 | 00 | 000000000 | 0000000 |
1" | 1.984" | 3/4" | 0.984" | 000000 | 00 | 000000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.984" | 000000 | 00 | 000000000 | 000000 |
2" | 2.516" | 1" | 1.984" | 00000000 | 0000000 | 000000000 | 000000 |
2" | 2.516" | 1 1/2" | 1.984" | 00000000 | 000000 | 000000000 | 000000 |
2 1/2" | 3.047" | 2" | 2.516" | 00000000 | 000000 | 000000000 | 000000 |
3" | 3.579" | 2" | 2.516" | 00000000 | 000000 | 000000000 | 000000 |
4" | 4.682" | 3" | 3.579" | 00000000 | 000000 | 000000000 | 000000 |

- 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 | 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 |


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 | 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 |
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 |
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 |

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

- For Use With: Air, Beverage, Dairy, Deionized Water, Food, Pharmaceuticals, Water
- Temperature Range: See Gaskets
- Tubing:
Fittings with 700 psi @ 72° F max. pressure: Use with 316/316L stainless steel that meets ASTM A269 or ASTM A270
Fittings with all other max. pressures: Use with 316/316L stainless steel that meets ASTM A249, ASTM A269, or ASTM A270
Gaskets: Use with 304/304L and 316/316L stainless steel - Specifications Met: See table
- Certification: Material Certificate with Traceable Lot Number and Test Report
Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth. Use them in pharmaceutical and bioprocessing applications. Also known as tri-clamp fittings, they connect with a clamp, a gasket, and another quick-clamp fitting for a fast and easy way to access your line. Fittings are 316 stainless steel for excellent corrosion resistance.
Fittings with butt-weld end are also known as ferrules; they weld to tubing for a permanent connection.
The pressure rating of the fitting will depend on the clamp you choose.
The temperature rating of the fitting will vary depending on the gasket material you choose.
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.

Tube Connection (A) | Tube Connection (B) | ||||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Flange OD | Length | Material | Max. Pressure | Specifications Met | Each | |
1/2" | 0.984" | 3/8" | 0.984" | 2 7/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 0000000 |
3/4" | 0.984" | 1/4" | 0.984" | 2 7/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1" | 1.984" | 1/2" | 0.984" | 2 1/2" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
1" | 1.984" | 1/2" | 0.984" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1" | 1.984" | 3/4" | 0.984" | 2" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
1" | 1.984" | 3/4" | 0.984" | 3 1/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 1/2" | 0.984" | 3 1/4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 1/2" | 0.984" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.984" | 3" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.984" | 4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 1" | 1.984" | 3" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 1" | 1.984" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1/2" | 0.984" | 3 3/4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 3/4" | 0.984" | 3 3/4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1" | 1.984" | 4 3/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1" | 1.984" | 5" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1 1/2" | 1.984" | 3" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1 1/2" | 1.984" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2 1/2" | 3.047" | 2" | 2.516" | 3" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
2 1/2" | 3.047" | 2" | 2.516" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 1 1/2" | 1.984" | 5 1/4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2" | 2.516" | 4 3/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2" | 2.516" | 5" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2 1/2" | 3.047" | 3" | 316/316L Stainless Steel | 200 psi @ 72° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2 1/2" | 3.047" | 3 5/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
4" | 4.682" | 1 1/2" | 1.984" | 4 7/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
4" | 4.682" | 2" | 2.516" | 6 1/4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
4" | 4.682" | 3" | 3.579" | 5" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |

Tube Connection (A) | Tube Connection (B) | ||||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Wall Thick. | Length | Material | Max. Pressure | Specifications Met | Each | |
1" | 1.984" | 1/2" | 0.065" | 3" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 0000000 |
1" | 1.984" | 3/4" | 0.065" | 2 5/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 1/2" | 0.065" | 2 3/4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
1 1/2" | 1.984" | 3/4" | 0.065" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1" | 0.065" | 3 7/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1 1/2" | 0.065" | 3" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2 1/2" | 3.047" | 2" | 0.065" | 3" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2" | 0.065" | 3 7/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2 1/2" | 0.065" | 3 1/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |


Offset straight reducers connect one pipe to another smaller-diameter pipe. They have offset centers so the line can drain. Also known as eccentric reducers.
Tube Connection (A) | Tube Connection (B) | ||||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | For Tube OD | Wall Thick. | Length | Material | Max. Pressure | Specifications Met | Each | |
1 1/2" | 1.984" | 3/4" | 0.065" | 4" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 0000000 |
2" | 2.516" | 1" | 0.065" | 4 3/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 1 1/2" | 0.065" | 3 1/2" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |
3" | 3.579" | 2" | 0.065" | 4 3/8" | 316/316L Stainless Steel | 200 psi @ 100° F | ASME BPE | 00000000 | 000000 |

For Tube OD | For Flange OD | Max. Pressure | For Tube 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 |


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 |

For Tube OD | For Flange OD | Max. Pressure | For Tube Specifications Met | Specifications Met | Each | |
1", 1 1/4", 1 1/2" | 1.984" | 500 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 000000 |
2" | 2.516" | 450 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 00000 |
3" | 3.579" | 350 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 00000 |
4" | 4.682" | 300 psi @ 72° F | ASTM A269, ASTM A270 | ASME BPE | 00000000 | 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 |

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 |

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 |
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 |
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 |
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 |
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 |
Quick-Clamp High-Vacuum Fittings for Stainless Steel Tubing

- For Use With:
Fittings with Gasket End: Air, Argon, Helium, Nitrogen
All Other Fittings: Air - Specifications Met: ISO 2861
Instead of a gasket, these fittings have a metal-reinforced O-ring that is designed for high-vacuum applications, such as vacuum coating and heat treating, leak testing, and analyzing gases. Also known as KF, QF, and NW fittings, they are the most common type of connection in high-vacuum systems. Connect with a clamp and another quick-clamp fitting for fast, easy access to your line. To use fittings in pressure applications, use a pressure-rated ring (sold separately). Made of 304 stainless steel, these fittings have very good corrosion resistance.
Note: To complete a connection, you’ll need two quick-clamp fittings, a ring, and a clamp (all sold separately).
For technical drawings and 3-D models, click on a part number.

- Temperature Range: 0° to 300° F
- Tubing: Use with 304/304L or 316/316L stainless steel
Tube Connection (A) | Tube Connection (B) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Material | Max. Vacuum | Each | |
1" | 1.57" | 25 | ISO-KF | 3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 000000 |
1 1/2" | 2.16" | 40 | ISO-KF | 3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | 1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |

- Temperature Range: 0° to 300° F
- Tubing: Use with 304/304L or 316/316L stainless steel
Inline tees are also known as branch tees.
Tube Connection (A) | Tube Connection (B) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Material | Max. Vacuum | Each | |
1" | 1.57" | 25 | ISO-KF | 3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 0000000 |
1 1/2" | 2.16" | 40 | ISO-KF | 3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 000000 |
1 1/2" | 2.16" | 40 | ISO-KF | 1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 000000 |
2" | 2.95" | 50 | ISO-KF | 1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 000000 |
2" | 2.95" | 50 | ISO-KF | 1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 000000 |



- Temperature Range: 0° to 300° F
- Tubing: Use with 304/304L stainless steel, 316/316L stainless steel, or aluminum
Clamps tighten by hand.
Lever clamps are also known as toggle clamps.
Clamps with lanyard let you secure the clamp to equipment.
For Tube OD | For Flange OD | For High-Vacuum Flange Size | High Vacuum Connection Type | Material | Max. Vacuum | Lanyard Lg. | Each | |
Wing Nut | ||||||||
---|---|---|---|---|---|---|---|---|
1/2", 3/4" | 1.18" | 10, 16 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
Lever | ||||||||
1/2", 3/4" | 1.18" | 10, 16 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | __ | 0000000 | 00000 |
Lever with Lanyard | ||||||||
3/4" | 1.18" | 16 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 5 3/4" | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 5 3/4" | 00000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 5 3/4" | 00000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 5 3/4" | 00000000 | 00000 |



- Temperature Range:
Fittings with Fluoroelastomer O-Ring: 0° to 300° F
Fittings with Silicone O-Ring: -50° to 390°F - Tubing: Use with 304/304L stainless steel, 316/316L stainless steel, or aluminum
Use these rings with quick-clamp high-vacuum fittings. They consist of a stainless steel inner ring covered by an O-ring.
Silicone rings withstand higher temperatures than fluoroelastomer ones.
For Tube OD | For Flange OD | For High-Vacuum Flange Size | High Vacuum Connection Type | Inner Ring Material | Max. Vacuum | Max. Pressure | Each | |
Fluoroelastomer Rubber O-Ring | ||||||||
---|---|---|---|---|---|---|---|---|
Rings | ||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 0000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 0000000 | 00000 |
Rings with Stainless Steel Screen | ||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
Rings with Aluminum Outer Ring | ||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 100 psi @ 72° F | 0000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 75 psi @ 72° F | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 50 psi @ 72° F | 0000000 | 00000 |
Silicone Rubber O-Ring | ||||||||
Rings | ||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | Not Rated | 00000000 | 00000 |

- Temperature Range: 0° to 300° F
- Tubing: Use with 304/304L stainless steel, 316/316L stainless steel, or aluminum
Hose absorbs moderate vibration
For Tube OD | Flange OD | High-Vacuum Flange Size | High Vacuum Connection Type | Material | Max. Vacuum | Bend Radius | Flexibility | Each | |
3 3/16" Lg. | |||||||||
---|---|---|---|---|---|---|---|---|---|
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | __ | Flexible | 0000000 | 000000 |
4 3/16" Lg. | |||||||||
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | __ | Flexible | 0000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | __ | Flexible | 0000000 | 000000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | __ | Flexible | 0000000 | 000000 |
12" Lg. | |||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 1 5/8" | Flexible | 00000000 | 000000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 1 3/8" | Flexible | 00000000 | 000000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 2 1/2" | Flexible | 00000000 | 000000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 3 1/4" | Flexible | 00000000 | 000000 |
24" Lg. | |||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 1 5/8" | Flexible | 00000000 | 000000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 1 3/8" | Flexible | 00000000 | 000000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 2 1/2" | Flexible | 00000000 | 000000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 3 1/4" | Flexible | 00000000 | 000000 |
39" Lg. | |||||||||
3/4" | 1.18" | 16 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 1 5/8" | Flexible | 00000000 | 000000 |
1" | 1.57" | 25 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 1 3/8" | Flexible | 00000000 | 000000 |
1 1/2" | 2.16" | 40 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 2 1/2" | Flexible | 00000000 | 000000 |
2" | 2.95" | 50 | ISO-KF | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 3 1/4" | Flexible | 00000000 | 000000 |

- Temperature Range: 0° to 190° F
- Tubing: Use with 304/304L or 316/316L stainless steel
Valves are also known as vacuum isolation valves. They connect to a vacuum system so you can install gauges, release gases, and remove air. They operate manually and have a compact body that fits easily into tight spaces.
Actuation | For Tube OD | Flange OD | High-Vacuum Flange Size | Max. Vacuum | Body Material | Overall Ht. | Overall Lg. | Each | |
Manual | 3/4" | 1 3/16" | 16 | 10 -7 torr @ 72° F | 304 Stainless Steel | 4 1/8" | 2 1/4" | 00000000 | 0000000 |
Manual | 1" | 1 9/16" | 25 | 10 -7 torr @ 72° F | 304 Stainless Steel | 5 5/8" | 3" | 00000000 | 000000 |
Manual | 1 1/2" | 2 1/8" | 40 | 10 -7 torr @ 72° F | 304 Stainless Steel | 6 3/8" | 3 7/8" | 00000000 | 000000 |
Manual | 2" | 2 15/16" | 50 | 10 -7 torr @ 72° F | 304 Stainless Steel | 8" | 4 1/2" | 00000000 | 000000 |