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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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Low-Pressure Stainless Steel Threaded Pipe Fittings
Use these fittings in a low-pressure pipe line.
Fittings that meet ANSI/MSS SP-114 adhere to high-quality standards for heat treating, material thickness, and marking. 304 stainless steel fittings have very good corrosion resistance.
Threaded female x butt weld straight adapters are also known as half couplings. Adapters with weld end allow for a permanent connection.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Threaded Female × Butt Weld
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Pressure Class: 150
- Fabrication: Heat Treated
- Specifications Met:
NPT × Butt Weld: ANSI/MSS SP-114, ASTM A351
BSPT × Butt Weld: ANSI/MSS SP-114 - Pipe Nipples and Pipe: Use Schedule 40 stainless steel
- Flanges: Use Class 150 stainless steel
304 Stainless Steel | ||||
|---|---|---|---|---|
| Pipe Size | Max. Pressure | Max. Steam Pressure | Each | |
BSPT Female × Butt Weld | ||||
| 1/8 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 00000 |
| 1/4 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 0000 |
| 3/8 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 0000 |
| 1/2 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 0000 |
| 3/4 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 0000 |
| 1 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 0000 |
| 1 1/2 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 00000 |
| 2 | 300 psi @ 72° F | 150 psi @ 350° F | 00000000 | 00000 |