How to Identify and Measure Fittings
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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.
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Tube OD | Material | Color | Release Ring Color | Max. Pressure | Material | Hardness Rating | Each | |
| 3/8" | Acetal Plastic | Gray | Gray | 150 psi @ 72° F | Nylon Plastic, Polyethylene Plastic | Firm, Hard | 000000000 | 000000 |
| 1/2" | Acetal Plastic | Gray | Gray | 150 psi @ 72° F | Nylon Plastic, Polyethylene Plastic | Firm, Hard | 000000000 | 00000 |
| 15mm | Acetal Plastic | Black | Black | 150 psi @ 72° F | Nylon Plastic, Polyethylene Plastic | __ | 00000000 | 0000 |
Tube supports are recommended if you want to use fittings with soft nylon, polyethylene, and PVC tubing to prevent the tube from collapsing.
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. 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: 3-A Certified 63-04
Recessed Nut, Hole for
Lockout, and 2-Pin Hinge
Clamps with wing nut tighten by hand. Clamps with bolt tighten with a wrench. They handle higher pressures than wing-nut clamps for a stronger, more secure hold.
| For Tube OD | For Flange OD | Bolt Material | Max. Pressure | For Tube Specifications Met | Specifications Met | Each | |
304 Stainless Steel with Wing Nut | |||||||
|---|---|---|---|---|---|---|---|
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 500 psi @ 72 ° F | ASTM A269, ASTM A270 | __ | 00000000 | 000000 |
| 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 |
304 Stainless Steel with Wing Nut, Spring Loaded | |||||||
| 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 |
304 Stainless Steel with Bolt | |||||||
| 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 |
316 Stainless Steel with Wing Nut and 2-Pin Hinge | |||||||
| 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 |
316 Stainless Steel with Safety Wing Nut and 2-Pin Hinge | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 2" | 2.516" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 3" | 3.579" | __ | 580 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
316 Stainless Steel with Double Bolt | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | 316 Stainless Steel | 2,400 psi @ 72 ° F | __ | ASME BPVC.VIII | 0000000 | 000000 |
| 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 |
316 Stainless Steel with Recessed Nut, Hole for Lockout, and 2-Pin Hinge | |||||||
| 1", 1 1/4", 1 1/2" | 1.984" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 2" | 2.516" | __ | 720 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
| 3" | 3.579" | __ | 580 psi @ 72 ° F | __ | __ | 0000000 | 00000 |
White Nylon Plastic with Wing Nut | |||||||
| 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 |
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" | 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 | 00000 |
| 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 |
EPDM Rubber | ||||||||
| 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 |
Silicone Rubber | ||||||||
| 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 |
Fluoroelastomer Rubber | ||||||||
| 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 |
| 3" | 2.900" | 3.580" | 0.203" | -15° to 400° | Black | 3-A Certified 18-03, FDA Compliant 21 CFR 177.2600 | 0000000 | 0000 |
PTFE Plastic | ||||||||
| 1" | 0.900" | 1.980" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 1 1/2" | 1.400" | 1.980" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 2" | 1.900" | 2.520" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 2 1/2" | 2.400" | 3.050" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
| 3" | 2.900" | 3.580" | 0.203" | -100° to 500° | White | 3-A Certified 20-27 | 00000000 | 0000 |
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 |
Socket-Connect Fittings for Stainless Steel Tubing
- For Use With: Air, Hydraulic Fluid, Water
- Tubing: Use with seamless or welded 304 or 316 stainless steel that meets ASTM A269
Easier to weld than butt-weld fittings, these fittings don’t need to align perfectly to tubing. Insert tubing into the socket end and weld to create a permanent, leak-tight connection. Fittings are 316 stainless steel for excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
180° bend connectors are also known as U-bends.
| For Tube OD | Material | Max. Pressure | Each | |
| 1/4" | 316/316L Stainless Steel | 1,500 psi @ 72° F | 0000000 | 000000 |
| 3/8" | 316/316L Stainless Steel | 1,500 psi @ 72° F | 0000000 | 00000 |
| 1/2" | 316/316L Stainless Steel | 1,500 psi @ 72° F | 0000000 | 00000 |
| 3/4" | 316/316L Stainless Steel | 1,500 psi @ 72° F | 0000000 | 00000 |
| 1" | 316/316L Stainless Steel | 1,500 psi @ 72° F | 0000000 | 00000 |
Solder-Connect Fittings for Copper Tubing
- Temperature Range: 32° to 200° F
Solder these fittings to copper tubing or the tube end of another fitting for a permanent, leak-tight connection. They are also known as sweat fittings. Fittings have good corrosion resistance. To adhere to safety standards for drinking water systems, use fittings that meet NSF/ANSI 61 or EN 1057.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
For technical drawings and 3-D models, click on a part number.
- For Use With: Drinking Water
- Tubing: See table
- Specifications Met: See table
180° bend connectors are also known as U-bends.
| Copper Tube Size | For Tube OD | Material | Max. Pressure | For Copper Tube Type | Specifications Met | Each | |
| 1/4 | 3/8" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
| 3/8 | 1/2" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
| 1/2 | 5/8" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
| 5/8 | 3/4" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
| 3/4 | 7/8" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
| 1 | 1 1/8" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
| 1 1/4 | 1 3/8" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
| 1 1/2 | 1 5/8" | Copper | 400 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
| 2 | 2 1/8" | Copper | 300 psi @ 72° F | K, M, L | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 000000 |
Cleaned and Bagged Solder-Connect Fittings for Copper Tubing
- For Use With: Drinking Water
- Temperature Range: 32° to 200° F
- Tubing: Use with K, M, L copper
- Specifications Met: ASME B16.22, MSS-SP104, NSF/ANSI 61
When cleanliness is crucial to your application, choose these fittings that are individually cleaned and bagged to prevent contamination. Solder the socket end to copper tubing or the tube end of another fitting for a permanent, leak-tight connection. They are also known as sweat fittings. Fittings have good corrosion resistance. They meet NSF/ANSI 61 safety standards for use with drinking water systems.
Copper tube size is the accepted designation of the copper tubing industry, not the actual tube OD.
For technical drawings and 3-D models, click on a part number.
