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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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Vacuum Fittings for Steel Tubing
- For Use With: Air, Glass, Plastic Pellets, Resins, Wood Chips
- Temperature Range: -10° to 180° F
- Tubing: Galvanized Steel: Use with steel, galvanized steel
Steel: Use with steel
Use these fittings to create an air vacuum system without the hassle of brazing and welding. Insert two fittings into a clamp (sold separately) and tighten to form a secure seal.
Galvanized steel fittings have fair corrosion resistance. Fittings without a finish should only be used in noncorrosive environments.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
Galvanized Steel | Steel | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Pipe Size | Max. Pressure | Max. Vacuum | Each | Each | ||
NPT Threads | |||||||
| 2 1/8" | 2 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 000000 | 0000000 | 000000 |
| 2 1/2" | 2 1/2 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 00000 | 0000000 | 00000 |
| 3" | 3 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 00000 | 0000000 | 00000 |
| 3 1/2" | 3 1/2 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 00000 | 0000000 | 00000 |
| 4" | 4 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 00000 | 0000000 | 00000 |
| 5" | 5 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 000000 | 0000000 | 00000 |
| 6" | 6 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 00000000 | 000000 | 0000000 | 000000 |