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
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
Fittings that meet ASTM B379 comply with international standards for tube fitting specifications.
For Tube OD | Material | Max. Pressure | For Copper Tube Type | Specifications Met | Each | |
8mm | Copper | 1,000 psi @ 72° F | M | ASTM B379, DVGW GW 8, EN 1057 | 00000000 | 00000 |
10mm | Copper | 800 psi @ 72° F | M | ASTM B379, DVGW GW 8, EN 1057 | 00000000 | 0000 |
12mm | Copper | 700 psi @ 72° F | M | ASTM B379, DVGW GW 8, EN 1057 | 0000000 | 0000 |
14mm | Copper | 600 psi @ 72° F | M | ASTM B379, DVGW GW 8, EN 1057 | 00000000 | 0000 |

- For Use With: See table
- Tubing: Use with K, M, L copper
- Specifications Met: See table
Inline tees are also known as branch tees.
Tube Connection (A) | Tube Connection (B) | |||||||
---|---|---|---|---|---|---|---|---|
Copper Tube Size | For Tube OD | Copper Tube Size | For Tube OD | Material | Max. Pressure | Specifications Met | Each | |
For Use With Drinking Water | ||||||||
1/4 | 3/8" | __ | 1/4" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
3/8 | 1/2" | __ | 1/4" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
3/8 | 1/2" | 1/4 | 3/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 0000 |
1/2 | 5/8" | __ | 1/4" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
1/2 | 5/8" | 1/4 | 3/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 0000 |
1/2 | 5/8" | 3/8 | 1/2" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 0000 |
1/2 | 5/8" | 3/4 | 7/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
5/8 | 3/4" | 3/8 | 1/2" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
3/4 | 7/8" | 1/4 | 3/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
3/4 | 7/8" | 3/8 | 1/2" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
3/4 | 7/8" | 1/2 | 5/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 0000 |
3/4 | 7/8" | 5/8 | 3/4" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
3/4 | 7/8" | 1 | 1 1/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
1 | 1 1/8" | 1/2 | 5/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 0000 |
1 | 1 1/8" | 3/4 | 7/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 0000 |
1 | 1 1/8" | 1 1/2 | 1 5/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
1 1/4 | 1 3/8" | 1/2 | 5/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
1 1/4 | 1 3/8" | 3/4 | 7/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
1 1/4 | 1 3/8" | 1 | 1 1/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 00000 |
1 1/2 | 1 5/8" | 1/2 | 5/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
1 1/2 | 1 5/8" | 3/4 | 7/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
1 1/2 | 1 5/8" | 1 | 1 1/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
1 1/2 | 1 5/8" | 1 1/4 | 1 3/8" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 00000 |
2 | 2 1/8" | 3/4 | 7/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
2 | 2 1/8" | 1 | 1 1/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
2 | 2 1/8" | 1 1/4 | 1 3/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
2 | 2 1/8" | 1 1/2 | 1 5/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 0000000 | 00000 |
2 1/2 | 2 5/8" | 3/4 | 7/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
2 1/2 | 2 5/8" | 2 | 2 1/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
3 | 3 1/8" | 1 1/2 | 1 5/8" | Copper | 300 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 00000 |
4 | 4 1/8" | 2 | 2 1/8" | Copper | 200 psi @ 72° F | ASME B16.22, MSS-SP104, NSF/ANSI 61 | 00000000 | 000000 |
For Use With Water | ||||||||
1 | 1 1/8" | 3/8 | 1/2" | Copper | 400 psi @ 72° F | ASME B16.22, MSS-SP104 | 00000000 | 0000 |