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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Precision Extreme-Pressure Brass Threaded Pipe Fittings
Also known as instrumentation fittings, these have the most precise threads and the tightest tolerances of all the brass pipe fittings we offer. Fittings are brass for good corrosion resistance.
Female x male 90° elbow adapters are also known as street elbows.
Inline tees are also known as branch tees. Right-angle tees are also known as run tees.
For technical drawings and 3-D models, click on a part number.
90° Elbow Connectors, Male
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
Pipe Size | Max. Pressure | Max. Steam Pressure | Each | |
NPT Male | ||||
|---|---|---|---|---|
| 1/8 | 5,000 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 000000 |
| 1/4 | 4,100 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 3/8 | 4,000 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 1/2 | 3,100 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 3/4 | 3,400 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 000000 |
90° Elbow Adapters
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
| Pipe Size | Max. Pressure | Max. Steam Pressure | Each | |
NPT Female × NPT Male | ||||
|---|---|---|---|---|
| 1/8 | 2,900 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 000000 |
| 1/4 | 3,000 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 3/8 | 2,700 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 1/2 | 2,500 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 3/4 | 2,000 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 000000 |
90° Elbow Reducing Adapters
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
45° Elbow Adapters
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
Tee Connectors, Male
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
| Pipe Size | Max. Pressure | Max. Steam Pressure | Each | |
NPT Male | ||||
|---|---|---|---|---|
| 1/8 | 5,000 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 000000 |
| 1/4 | 4,100 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 00000 |
| 3/8 | 4,000 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 00000 |
| 1/2 | 3,100 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 00000 |
| 3/4 | 3,400 psi @ 72° F | 1,500 psi @ 300° F | 00000000 | 000000 |
Inline Tee Adapters
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
Right-Angle Tee Adapters
- For Use With: Air, Argon, Natural Gas, Nitrogen Gas, Oil, Oxygen, Steam, Water
- Specifications Met: ASME B1.20.1, ASME B31.1, ASME B31.3
| Pipe Size | Max. Pressure | Max. Steam Pressure | Each | |
NPT Female × NPT Male | ||||
|---|---|---|---|---|
| 1/8 | 2,900 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 000000 |
| 1/4 | 3,000 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 3/8 | 2,700 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 1/2 | 2,500 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 00000 |
| 3/4 | 2,000 psi @ 72° F | 1,500 psi @ 300° F | 0000000 | 000000 |